diff --git a/packages/@aws-cdk/aws-glue-alpha/README.md b/packages/@aws-cdk/aws-glue-alpha/README.md
index b07770c6666f7..331c0d8b0b431 100644
--- a/packages/@aws-cdk/aws-glue-alpha/README.md
+++ b/packages/@aws-cdk/aws-glue-alpha/README.md
@@ -27,6 +27,8 @@ The `glue.JobExecutable` allows you to specify the type of job, the language to
 
 `glue.Code` allows you to refer to the different code assets required by the job, either from an existing S3 location or from a local file path.
 
+`glue.ExecutionClass` allows you to specify `FLEX` or `STANDARD`. `FLEX` is appropriate for non-urgent jobs such as pre-production jobs, testing, and one-time data loads.
+
 ### Spark Jobs
 
 These jobs run in an Apache Spark environment managed by AWS Glue.
diff --git a/packages/@aws-cdk/aws-glue-alpha/lib/job.ts b/packages/@aws-cdk/aws-glue-alpha/lib/job.ts
index beace10bd8acc..dd6cc425e23e0 100644
--- a/packages/@aws-cdk/aws-glue-alpha/lib/job.ts
+++ b/packages/@aws-cdk/aws-glue-alpha/lib/job.ts
@@ -5,7 +5,7 @@ import * as logs from 'aws-cdk-lib/aws-logs';
 import * as s3 from 'aws-cdk-lib/aws-s3';
 import * as cdk from 'aws-cdk-lib/core';
 import * as constructs from 'constructs';
-import { Code, JobExecutable, JobExecutableConfig, JobType } from '.';
+import { Code, GlueVersion, JobExecutable, JobExecutableConfig, JobType } from '.';
 import { IConnection } from './connection';
 import { CfnJob } from 'aws-cdk-lib/aws-glue';
 import { ISecurityConfiguration } from './security-configuration';
@@ -129,6 +129,26 @@ export enum MetricType {
   COUNT = 'count',
 }
 
+/**
+ * The ExecutionClass whether the job is run with a standard or flexible execution class.
+ *
+ * @see https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-jobs-job.html#aws-glue-api-jobs-job-Job
+ * @see https://docs.aws.amazon.com/glue/latest/dg/add-job.html
+ */
+export enum ExecutionClass {
+  /**
+   * The flexible execution class is appropriate for time-insensitive jobs whose start
+   * and completion times may vary.
+   */
+  FLEX = 'FLEX',
+
+  /**
+   * The standard execution class is ideal for time-sensitive workloads that require fast job
+   * startup and dedicated resources.
+   */
+  STANDARD = 'STANDARD',
+}
+
 /**
  * Interface representing a created or an imported `Job`.
  */
@@ -600,6 +620,16 @@ export interface JobProps {
    * @see https://docs.aws.amazon.com/glue/latest/dg/aws-glue-programming-etl-glue-arguments.html
    */
   readonly continuousLogging?: ContinuousLoggingProps,
+
+  /**
+   * The ExecutionClass whether the job is run with a standard or flexible execution class.
+   *
+   * @default - STANDARD
+   *
+   * @see https://docs.aws.amazon.com/glue/latest/dg/aws-glue-api-jobs-job.html#aws-glue-api-jobs-job-Job
+   * @see https://docs.aws.amazon.com/glue/latest/dg/add-job.html
+   */
+  readonly executionClass?: ExecutionClass,
 }
 
 /**
@@ -677,6 +707,18 @@ export class Job extends JobBase {
       ...this.checkNoReservedArgs(props.defaultArguments),
     };
 
+    if (props.executionClass === ExecutionClass.FLEX) {
+      if (executable.type !== JobType.ETL) {
+        throw new Error('FLEX ExecutionClass is only available for JobType.ETL jobs');
+      }
+      if ([GlueVersion.V0_9, GlueVersion.V1_0, GlueVersion.V2_0].includes(executable.glueVersion)) {
+        throw new Error('FLEX ExecutionClass is only available for GlueVersion 3.0 or later');
+      }
+      if (props.workerType && (props.workerType !== WorkerType.G_1X && props.workerType !== WorkerType.G_2X)) {
+        throw new Error('FLEX ExecutionClass is only available for WorkerType G_1X or G_2X');
+      }
+    }
+
     const jobResource = new CfnJob(this, 'Resource', {
       name: props.jobName,
       description: props.description,
@@ -692,6 +734,7 @@ export class Job extends JobBase {
       numberOfWorkers: props.workerCount,
       maxCapacity: props.maxCapacity,
       maxRetries: props.maxRetries,
+      executionClass: props.executionClass,
       executionProperty: props.maxConcurrentRuns ? { maxConcurrentRuns: props.maxConcurrentRuns } : undefined,
       notificationProperty: props.notifyDelayAfter ? { notifyDelayAfter: props.notifyDelayAfter.toMinutes() } : undefined,
       timeout: props.timeout?.toMinutes(),
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.assets.json b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.assets.json
index ae93bf2c5f576..b371535051dc3 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.assets.json
+++ b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.assets.json
@@ -14,7 +14,7 @@
         }
       }
     },
-    "e99fb38377ba41ea9e74da162cf01b6821baa17e8e3d003c711b03d822356b89": {
+    "4ff2e5500ce87081dfbf121cb29a8c64ffc6edc276257bb420e68abbb49af40a": {
       "source": {
         "path": "aws-glue-job.template.json",
         "packaging": "file"
@@ -22,7 +22,7 @@
       "destinations": {
         "current_account-current_region": {
           "bucketName": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}",
-          "objectKey": "e99fb38377ba41ea9e74da162cf01b6821baa17e8e3d003c711b03d822356b89.json",
+          "objectKey": "4ff2e5500ce87081dfbf121cb29a8c64ffc6edc276257bb420e68abbb49af40a.json",
           "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-file-publishing-role-${AWS::AccountId}-${AWS::Region}"
         }
       }
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.template.json b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.template.json
index 92ffc1c36ba4a..e524ee21d34da 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.template.json
+++ b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/aws-glue-job.template.json
@@ -176,6 +176,7 @@
      "arg2": "value2",
      "--conf": "valueConf"
     },
+    "ExecutionClass": "STANDARD",
     "ExecutionProperty": {
      "MaxConcurrentRuns": 2
     },
@@ -533,6 +534,7 @@
      "arg2": "value2",
      "--conf": "valueConf"
     },
+    "ExecutionClass": "STANDARD",
     "ExecutionProperty": {
      "MaxConcurrentRuns": 2
     },
@@ -890,6 +892,7 @@
      "arg2": "value2",
      "--conf": "valueConf"
     },
+    "ExecutionClass": "STANDARD",
     "ExecutionProperty": {
      "MaxConcurrentRuns": 2
     },
@@ -1448,6 +1451,129 @@
     },
     "WorkerType": "Z.2X"
    }
+  },
+  "EtlJobWithFLEXServiceRoleBA7C99A5": {
+   "Type": "AWS::IAM::Role",
+   "Properties": {
+    "AssumeRolePolicyDocument": {
+     "Statement": [
+      {
+       "Action": "sts:AssumeRole",
+       "Effect": "Allow",
+       "Principal": {
+        "Service": "glue.amazonaws.com"
+       }
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "ManagedPolicyArns": [
+     {
+      "Fn::Join": [
+       "",
+       [
+        "arn:",
+        {
+         "Ref": "AWS::Partition"
+        },
+        ":iam::aws:policy/service-role/AWSGlueServiceRole"
+       ]
+      ]
+     }
+    ]
+   }
+  },
+  "EtlJobWithFLEXServiceRoleDefaultPolicyEA63C5FE": {
+   "Type": "AWS::IAM::Policy",
+   "Properties": {
+    "PolicyDocument": {
+     "Statement": [
+      {
+       "Action": [
+        "s3:GetBucket*",
+        "s3:GetObject*",
+        "s3:List*"
+       ],
+       "Effect": "Allow",
+       "Resource": [
+        {
+         "Fn::Join": [
+          "",
+          [
+           "arn:",
+           {
+            "Ref": "AWS::Partition"
+           },
+           ":s3:::",
+           {
+            "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+           },
+           "/*"
+          ]
+         ]
+        },
+        {
+         "Fn::Join": [
+          "",
+          [
+           "arn:",
+           {
+            "Ref": "AWS::Partition"
+           },
+           ":s3:::",
+           {
+            "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+           }
+          ]
+         ]
+        }
+       ]
+      }
+     ],
+     "Version": "2012-10-17"
+    },
+    "PolicyName": "EtlJobWithFLEXServiceRoleDefaultPolicyEA63C5FE",
+    "Roles": [
+     {
+      "Ref": "EtlJobWithFLEXServiceRoleBA7C99A5"
+     }
+    ]
+   }
+  },
+  "EtlJobWithFLEX928B4212": {
+   "Type": "AWS::Glue::Job",
+   "Properties": {
+    "Command": {
+     "Name": "glueetl",
+     "PythonVersion": "3",
+     "ScriptLocation": {
+      "Fn::Join": [
+       "",
+       [
+        "s3://",
+        {
+         "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+        },
+        "/432033e3218068a915d2532fa9be7858a12b228a2ae6e5c10faccd9097b1e855.py"
+       ]
+      ]
+     }
+    },
+    "Role": {
+     "Fn::GetAtt": [
+      "EtlJobWithFLEXServiceRoleBA7C99A5",
+      "Arn"
+     ]
+    },
+    "DefaultArguments": {
+     "--job-language": "python"
+    },
+    "ExecutionClass": "FLEX",
+    "GlueVersion": "3.0",
+    "Name": "EtlJobWithFLEX",
+    "NumberOfWorkers": 10,
+    "WorkerType": "G.1X"
+   }
   }
  },
  "Parameters": {
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/manifest.json b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/manifest.json
index 17c822d1ad95a..f729d71dca775 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/manifest.json
+++ b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/manifest.json
@@ -17,7 +17,7 @@
         "validateOnSynth": false,
         "assumeRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-deploy-role-${AWS::AccountId}-${AWS::Region}",
         "cloudFormationExecutionRoleArn": "arn:${AWS::Partition}:iam::${AWS::AccountId}:role/cdk-hnb659fds-cfn-exec-role-${AWS::AccountId}-${AWS::Region}",
-        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/e99fb38377ba41ea9e74da162cf01b6821baa17e8e3d003c711b03d822356b89.json",
+        "stackTemplateAssetObjectUrl": "s3://cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}/4ff2e5500ce87081dfbf121cb29a8c64ffc6edc276257bb420e68abbb49af40a.json",
         "requiresBootstrapStackVersion": 6,
         "bootstrapStackVersionSsmParameter": "/cdk-bootstrap/hnb659fds/version",
         "additionalDependencies": [
@@ -231,6 +231,24 @@
             "data": "RayJob2F7864D9"
           }
         ],
+        "/aws-glue-job/EtlJobWithFLEX/ServiceRole/Resource": [
+          {
+            "type": "aws:cdk:logicalId",
+            "data": "EtlJobWithFLEXServiceRoleBA7C99A5"
+          }
+        ],
+        "/aws-glue-job/EtlJobWithFLEX/ServiceRole/DefaultPolicy/Resource": [
+          {
+            "type": "aws:cdk:logicalId",
+            "data": "EtlJobWithFLEXServiceRoleDefaultPolicyEA63C5FE"
+          }
+        ],
+        "/aws-glue-job/EtlJobWithFLEX/Resource": [
+          {
+            "type": "aws:cdk:logicalId",
+            "data": "EtlJobWithFLEX928B4212"
+          }
+        ],
         "/aws-glue-job/BootstrapVersion": [
           {
             "type": "aws:cdk:logicalId",
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/tree.json b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/tree.json
index 3a1205674b7ac..1aad2f99aa438 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/tree.json
+++ b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.js.snapshot/tree.json
@@ -20,8 +20,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/EtlJob2.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -59,8 +59,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -165,20 +165,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SparkUIBucket": {
@@ -193,40 +193,40 @@
                       "aws:cdk:cloudformation:props": {}
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_s3.CfnBucket",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_s3.Bucket",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
-              "Code2fe0fc936e45d982e718ad516d9c48b5": {
-                "id": "Code2fe0fc936e45d982e718ad516d9c48b5",
-                "path": "aws-glue-job/EtlJob2.0/Code2fe0fc936e45d982e718ad516d9c48b5",
+              "Code161d2d609eea130c2e9c740956bb950c": {
+                "id": "Code161d2d609eea130c2e9c740956bb950c",
+                "path": "aws-glue-job/EtlJob2.0/Code161d2d609eea130c2e9c740956bb950c",
                 "children": {
                   "Stage": {
                     "id": "Stage",
-                    "path": "aws-glue-job/EtlJob2.0/Code2fe0fc936e45d982e718ad516d9c48b5/Stage",
+                    "path": "aws-glue-job/EtlJob2.0/Code161d2d609eea130c2e9c740956bb950c/Stage",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.AssetStaging",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "AssetBucket": {
                     "id": "AssetBucket",
-                    "path": "aws-glue-job/EtlJob2.0/Code2fe0fc936e45d982e718ad516d9c48b5/AssetBucket",
+                    "path": "aws-glue-job/EtlJob2.0/Code161d2d609eea130c2e9c740956bb950c/AssetBucket",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_s3.BucketBase",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_s3_assets.Asset",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -278,6 +278,7 @@
                       "arg2": "value2",
                       "--conf": "valueConf"
                     },
+                    "executionClass": "STANDARD",
                     "executionProperty": {
                       "maxConcurrentRuns": 2
                     },
@@ -296,8 +297,8 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SuccessMetricRule": {
@@ -345,20 +346,20 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_events.CfnRule",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_events.Rule",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "StreamingJob2.0": {
@@ -373,8 +374,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/StreamingJob2.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -412,8 +413,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -481,20 +482,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -540,14 +541,14 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "EtlJob3.0": {
@@ -562,8 +563,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/EtlJob3.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -601,8 +602,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -707,20 +708,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SparkUIBucket": {
@@ -735,14 +736,14 @@
                       "aws:cdk:cloudformation:props": {}
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_s3.CfnBucket",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_s3.Bucket",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -794,6 +795,7 @@
                       "arg2": "value2",
                       "--conf": "valueConf"
                     },
+                    "executionClass": "STANDARD",
                     "executionProperty": {
                       "maxConcurrentRuns": 2
                     },
@@ -812,8 +814,8 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SuccessMetricRule": {
@@ -861,20 +863,20 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_events.CfnRule",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_events.Rule",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "StreamingJob3.0": {
@@ -889,8 +891,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/StreamingJob3.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -928,8 +930,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -997,20 +999,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -1056,14 +1058,14 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "EtlJob4.0": {
@@ -1078,8 +1080,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/EtlJob4.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -1117,8 +1119,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -1223,20 +1225,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SparkUIBucket": {
@@ -1251,14 +1253,14 @@
                       "aws:cdk:cloudformation:props": {}
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_s3.CfnBucket",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_s3.Bucket",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -1310,6 +1312,7 @@
                       "arg2": "value2",
                       "--conf": "valueConf"
                     },
+                    "executionClass": "STANDARD",
                     "executionProperty": {
                       "maxConcurrentRuns": 2
                     },
@@ -1328,8 +1331,8 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "SuccessMetricRule": {
@@ -1377,20 +1380,20 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_events.CfnRule",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_events.Rule",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "StreamingJob4.0": {
@@ -1405,8 +1408,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/StreamingJob4.0/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -1444,8 +1447,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -1513,20 +1516,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -1572,14 +1575,14 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "ShellJob": {
@@ -1594,8 +1597,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/ShellJob/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -1633,8 +1636,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -1702,20 +1705,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -1759,14 +1762,14 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "ShellJob39": {
@@ -1781,8 +1784,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/ShellJob39/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -1820,8 +1823,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -1889,20 +1892,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -1946,14 +1949,14 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "RayJob": {
@@ -1968,8 +1971,8 @@
                     "id": "ImportServiceRole",
                     "path": "aws-glue-job/RayJob/ServiceRole/ImportServiceRole",
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.Resource",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "Resource": {
@@ -2007,8 +2010,8 @@
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.CfnRole",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   },
                   "DefaultPolicy": {
@@ -2076,20 +2079,20 @@
                           }
                         },
                         "constructInfo": {
-                          "fqn": "aws-cdk-lib.aws_iam.CfnPolicy",
-                          "version": "0.0.0"
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
                         }
                       }
                     },
                     "constructInfo": {
-                      "fqn": "aws-cdk-lib.aws_iam.Policy",
-                      "version": "0.0.0"
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
                     }
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_iam.Role",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               },
               "Resource": {
@@ -2136,36 +2139,221 @@
                   }
                 },
                 "constructInfo": {
-                  "fqn": "aws-cdk-lib.aws_glue.CfnJob",
-                  "version": "0.0.0"
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
                 }
               }
             },
             "constructInfo": {
-              "fqn": "@aws-cdk/aws-glue-alpha.Job",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
+            }
+          },
+          "EtlJobWithFLEX": {
+            "id": "EtlJobWithFLEX",
+            "path": "aws-glue-job/EtlJobWithFLEX",
+            "children": {
+              "ServiceRole": {
+                "id": "ServiceRole",
+                "path": "aws-glue-job/EtlJobWithFLEX/ServiceRole",
+                "children": {
+                  "ImportServiceRole": {
+                    "id": "ImportServiceRole",
+                    "path": "aws-glue-job/EtlJobWithFLEX/ServiceRole/ImportServiceRole",
+                    "constructInfo": {
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
+                    }
+                  },
+                  "Resource": {
+                    "id": "Resource",
+                    "path": "aws-glue-job/EtlJobWithFLEX/ServiceRole/Resource",
+                    "attributes": {
+                      "aws:cdk:cloudformation:type": "AWS::IAM::Role",
+                      "aws:cdk:cloudformation:props": {
+                        "assumeRolePolicyDocument": {
+                          "Statement": [
+                            {
+                              "Action": "sts:AssumeRole",
+                              "Effect": "Allow",
+                              "Principal": {
+                                "Service": "glue.amazonaws.com"
+                              }
+                            }
+                          ],
+                          "Version": "2012-10-17"
+                        },
+                        "managedPolicyArns": [
+                          {
+                            "Fn::Join": [
+                              "",
+                              [
+                                "arn:",
+                                {
+                                  "Ref": "AWS::Partition"
+                                },
+                                ":iam::aws:policy/service-role/AWSGlueServiceRole"
+                              ]
+                            ]
+                          }
+                        ]
+                      }
+                    },
+                    "constructInfo": {
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
+                    }
+                  },
+                  "DefaultPolicy": {
+                    "id": "DefaultPolicy",
+                    "path": "aws-glue-job/EtlJobWithFLEX/ServiceRole/DefaultPolicy",
+                    "children": {
+                      "Resource": {
+                        "id": "Resource",
+                        "path": "aws-glue-job/EtlJobWithFLEX/ServiceRole/DefaultPolicy/Resource",
+                        "attributes": {
+                          "aws:cdk:cloudformation:type": "AWS::IAM::Policy",
+                          "aws:cdk:cloudformation:props": {
+                            "policyDocument": {
+                              "Statement": [
+                                {
+                                  "Action": [
+                                    "s3:GetBucket*",
+                                    "s3:GetObject*",
+                                    "s3:List*"
+                                  ],
+                                  "Effect": "Allow",
+                                  "Resource": [
+                                    {
+                                      "Fn::Join": [
+                                        "",
+                                        [
+                                          "arn:",
+                                          {
+                                            "Ref": "AWS::Partition"
+                                          },
+                                          ":s3:::",
+                                          {
+                                            "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+                                          },
+                                          "/*"
+                                        ]
+                                      ]
+                                    },
+                                    {
+                                      "Fn::Join": [
+                                        "",
+                                        [
+                                          "arn:",
+                                          {
+                                            "Ref": "AWS::Partition"
+                                          },
+                                          ":s3:::",
+                                          {
+                                            "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+                                          }
+                                        ]
+                                      ]
+                                    }
+                                  ]
+                                }
+                              ],
+                              "Version": "2012-10-17"
+                            },
+                            "policyName": "EtlJobWithFLEXServiceRoleDefaultPolicyEA63C5FE",
+                            "roles": [
+                              {
+                                "Ref": "EtlJobWithFLEXServiceRoleBA7C99A5"
+                              }
+                            ]
+                          }
+                        },
+                        "constructInfo": {
+                          "fqn": "constructs.Construct",
+                          "version": "10.2.55"
+                        }
+                      }
+                    },
+                    "constructInfo": {
+                      "fqn": "constructs.Construct",
+                      "version": "10.2.55"
+                    }
+                  }
+                },
+                "constructInfo": {
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
+                }
+              },
+              "Resource": {
+                "id": "Resource",
+                "path": "aws-glue-job/EtlJobWithFLEX/Resource",
+                "attributes": {
+                  "aws:cdk:cloudformation:type": "AWS::Glue::Job",
+                  "aws:cdk:cloudformation:props": {
+                    "command": {
+                      "name": "glueetl",
+                      "scriptLocation": {
+                        "Fn::Join": [
+                          "",
+                          [
+                            "s3://",
+                            {
+                              "Fn::Sub": "cdk-hnb659fds-assets-${AWS::AccountId}-${AWS::Region}"
+                            },
+                            "/432033e3218068a915d2532fa9be7858a12b228a2ae6e5c10faccd9097b1e855.py"
+                          ]
+                        ]
+                      },
+                      "pythonVersion": "3"
+                    },
+                    "role": {
+                      "Fn::GetAtt": [
+                        "EtlJobWithFLEXServiceRoleBA7C99A5",
+                        "Arn"
+                      ]
+                    },
+                    "defaultArguments": {
+                      "--job-language": "python"
+                    },
+                    "executionClass": "FLEX",
+                    "glueVersion": "3.0",
+                    "name": "EtlJobWithFLEX",
+                    "numberOfWorkers": 10,
+                    "workerType": "G.1X"
+                  }
+                },
+                "constructInfo": {
+                  "fqn": "constructs.Construct",
+                  "version": "10.2.55"
+                }
+              }
+            },
+            "constructInfo": {
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "BootstrapVersion": {
             "id": "BootstrapVersion",
             "path": "aws-glue-job/BootstrapVersion",
             "constructInfo": {
-              "fqn": "aws-cdk-lib.CfnParameter",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           },
           "CheckBootstrapVersion": {
             "id": "CheckBootstrapVersion",
             "path": "aws-glue-job/CheckBootstrapVersion",
             "constructInfo": {
-              "fqn": "aws-cdk-lib.CfnRule",
-              "version": "0.0.0"
+              "fqn": "constructs.Construct",
+              "version": "10.2.55"
             }
           }
         },
         "constructInfo": {
-          "fqn": "aws-cdk-lib.Stack",
-          "version": "0.0.0"
+          "fqn": "constructs.Construct",
+          "version": "10.2.55"
         }
       },
       "Tree": {
@@ -2173,13 +2361,13 @@
         "path": "Tree",
         "constructInfo": {
           "fqn": "constructs.Construct",
-          "version": "10.2.26"
+          "version": "10.2.55"
         }
       }
     },
     "constructInfo": {
-      "fqn": "aws-cdk-lib.App",
-      "version": "0.0.0"
+      "fqn": "constructs.Construct",
+      "version": "10.2.55"
     }
   }
 }
\ No newline at end of file
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.ts b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.ts
index 6ae1dd8074dad..aa420c52eccf4 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/integ.job.ts
+++ b/packages/@aws-cdk/aws-glue-alpha/test/integ.job.ts
@@ -50,6 +50,7 @@ const script = glue.Code.fromAsset(path.join(__dirname, 'job-script/hello_world.
       quiet: true,
       logStreamPrefix: 'EtlJob',
     },
+    executionClass: glue.ExecutionClass.STANDARD,
     tags: {
       key: 'value',
     },
@@ -125,4 +126,16 @@ new glue.Job(stack, 'RayJob', {
   },
 });
 
+new glue.Job(stack, 'EtlJobWithFLEX', {
+  jobName: 'EtlJobWithFLEX',
+  executable: glue.JobExecutable.pythonEtl({
+    glueVersion: glue.GlueVersion.V3_0,
+    pythonVersion: glue.PythonVersion.THREE,
+    script,
+  }),
+  workerType: glue.WorkerType.G_1X,
+  workerCount: 10,
+  executionClass: glue.ExecutionClass.FLEX,
+});
+
 app.synth();
diff --git a/packages/@aws-cdk/aws-glue-alpha/test/job.test.ts b/packages/@aws-cdk/aws-glue-alpha/test/job.test.ts
index 171857e5b5668..59316670b0410 100644
--- a/packages/@aws-cdk/aws-glue-alpha/test/job.test.ts
+++ b/packages/@aws-cdk/aws-glue-alpha/test/job.test.ts
@@ -306,6 +306,162 @@ describe('Job', () => {
       });
     });
 
+    describe('enabling execution class', () => {
+      describe('enabling execution class with FLEX', () => {
+        beforeEach(() => {
+          job = new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+          });
+        });
+
+        test('should set FLEX', () => {
+          Template.fromStack(stack).hasResourceProperties('AWS::Glue::Job', {
+            ExecutionClass: 'FLEX',
+          });
+        });
+      });
+
+      describe('enabling execution class with FLEX and WorkerType G_1X', () => {
+        beforeEach(() => {
+          job = new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+            workerType: glue.WorkerType.G_1X,
+            workerCount: 10,
+          });
+        });
+
+        test('should set FLEX', () => {
+          Template.fromStack(stack).hasResourceProperties('AWS::Glue::Job', {
+            ExecutionClass: 'FLEX',
+            WorkerType: 'G.1X',
+          });
+        });
+      });
+
+      describe('enabling execution class with FLEX and WorkerType G_2X', () => {
+        beforeEach(() => {
+          job = new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+            workerType: glue.WorkerType.G_2X,
+            workerCount: 10,
+          });
+        });
+
+        test('should set FLEX', () => {
+          Template.fromStack(stack).hasResourceProperties('AWS::Glue::Job', {
+            ExecutionClass: 'FLEX',
+            WorkerType: 'G.2X',
+          });
+        });
+      });
+
+      describe('enabling execution class with STANDARD', () => {
+        beforeEach(() => {
+          job = new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.STANDARD,
+          });
+        });
+
+        test('should set STANDARD', () => {
+          Template.fromStack(stack).hasResourceProperties('AWS::Glue::Job', {
+            ExecutionClass: 'STANDARD',
+          });
+        });
+      });
+
+      describe('errors for execution class with FLEX', () => {
+        test('job type except JobType.ETL should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonShell({
+              glueVersion: glue.GlueVersion.V2_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for JobType.ETL jobs');
+        });
+
+        test('with glue version 0.9 should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V0_9,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for GlueVersion 3.0 or later');
+        });
+
+        test('with glue version 1.0 should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V1_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for GlueVersion 3.0 or later');
+        });
+
+        test('with glue version 2.0 should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V2_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for GlueVersion 3.0 or later');
+        });
+
+        test('with G_025X as worker type that is neither G_1X nor G_2X should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            workerType: glue.WorkerType.G_025X,
+            workerCount: 2,
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for WorkerType G_1X or G_2X');
+        });
+
+        test('with G_4X as worker type that is neither G_1X nor G_2X should throw', () => {
+          expect(() => new glue.Job(stack, 'Job', {
+            executable: glue.JobExecutable.pythonEtl({
+              glueVersion: glue.GlueVersion.V3_0,
+              pythonVersion: glue.PythonVersion.THREE,
+              script,
+            }),
+            workerType: glue.WorkerType.G_4X,
+            workerCount: 10,
+            executionClass: glue.ExecutionClass.FLEX,
+          })).toThrow('FLEX ExecutionClass is only available for WorkerType G_1X or G_2X');
+        });
+      });
+    });
+
     describe('enabling spark ui', () => {
       describe('with no bucket or path provided', () => {
         beforeEach(() => {