diff --git a/scripts/build/builders/ameba.py b/scripts/build/builders/ameba.py
index 802ce1f73cbe62..a4b3338b0cb3ad 100644
--- a/scripts/build/builders/ameba.py
+++ b/scripts/build/builders/ameba.py
@@ -85,8 +85,12 @@ def generate(self):
                       title='Generating ' + self.identifier)
 
     def _build(self):
-        self._Execute(['ninja', '-C', self.output_dir],
-                      title='Building ' + self.identifier)
+        cmd = ['ninja', '-C', self.output_dir]
+
+        if self.ninja_jobs is not None:
+            cmd.append('-j' + str(self.ninja_jobs))
+
+        self._Execute(cmd, title='Building ' + self.identifier)
 
     def build_outputs(self):
         yield BuilderOutput(
diff --git a/scripts/build/builders/android.py b/scripts/build/builders/android.py
index 94d3a566a63877..3f640177f190ad 100644
--- a/scripts/build/builders/android.py
+++ b/scripts/build/builders/android.py
@@ -466,8 +466,13 @@ def _build(self):
                 title="Building APP " + self.identifier,
             )
         else:
+            cmd = ["ninja", "-C", self.output_dir]
+
+            if self.ninja_jobs is not None:
+                cmd.append('-j' + str(self.ninja_jobs))
+
             self._Execute(
-                ["ninja", "-C", self.output_dir],
+                cmd,
                 title="Building JNI " + self.identifier,
             )
 
diff --git a/scripts/build/builders/host.py b/scripts/build/builders/host.py
index 61fbd006824a39..d7013bf06509d6 100644
--- a/scripts/build/builders/host.py
+++ b/scripts/build/builders/host.py
@@ -560,7 +560,14 @@ def generate(self):
 
     def PreBuildCommand(self):
         if self.app == HostApp.TESTS and self.use_coverage:
-            self._Execute(['ninja', '-C', self.output_dir, 'default'], title="Build-only")
+            cmd = ['ninja', '-C', self.output_dir]
+
+            if self.ninja_jobs is not None:
+                cmd.append('-j' + str(self.ninja_jobs))
+
+            cmd.append('default')
+
+            self._Execute(cmd, title="Build-only")
             self._Execute(['lcov', '--initial', '--capture', '--directory', os.path.join(self.output_dir, 'obj'),
                            '--exclude', os.path.join(self.chip_dir, '**/tests/*'),
                            '--exclude', os.path.join(self.chip_dir, 'zzz_generated/*'),
diff --git a/scripts/build/builders/nrf.py b/scripts/build/builders/nrf.py
index 5fbc417ffe2c13..74cece849a7342 100644
--- a/scripts/build/builders/nrf.py
+++ b/scripts/build/builders/nrf.py
@@ -215,8 +215,12 @@ def generate(self):
     def _build(self):
         logging.info('Compiling NrfConnect at %s', self.output_dir)
 
-        self._Execute(['ninja', '-C', self.output_dir],
-                      title='Building ' + self.identifier)
+        cmd = ['ninja', '-C', self.output_dir]
+        
+        if self.ninja_jobs is not None:
+            cmd.append('-j' + str(self.ninja_jobs))
+
+        self._Execute(cmd, title='Building ' + self.identifier)
 
         if self.app == NrfApp.UNIT_TESTS:
             # Note: running zephyr/zephyr.elf has the same result except it creates
diff --git a/scripts/build/builders/telink.py b/scripts/build/builders/telink.py
index 6ac4c30ca241f5..2badbce4d131eb 100644
--- a/scripts/build/builders/telink.py
+++ b/scripts/build/builders/telink.py
@@ -238,6 +238,9 @@ def _build(self):
 
         cmd = self.get_cmd_prefixes() + ("ninja -C %s" % self.output_dir)
 
+        if self.ninja_jobs is not None:
+            cmd += " -j%s" % str(self.ninja_jobs)
+
         self._Execute(['bash', '-c', cmd], title='Building ' + self.identifier)
 
     def build_outputs(self):