diff --git a/.buildkite/pipelines/es_serverless/verify_es_serverless_image.yml b/.buildkite/pipelines/es_serverless/verify_es_serverless_image.yml
index dd2fd8b7fb3b6..5ed5cbe5bbbf9 100644
--- a/.buildkite/pipelines/es_serverless/verify_es_serverless_image.yml
+++ b/.buildkite/pipelines/es_serverless/verify_es_serverless_image.yml
@@ -107,7 +107,7 @@ steps:
           preemptible: true
         depends_on: build
         timeout_in_minutes: 60
-        parallelism: 8
+        parallelism: 10
         retry:
           automatic:
             - exit_status: "-1"
@@ -175,7 +175,7 @@ steps:
           preemptible: true
         depends_on: build
         timeout_in_minutes: 60
-        parallelism: 2
+        parallelism: 4
         retry:
           automatic:
             - exit_status: "-1"
diff --git a/.buildkite/pipelines/on_merge.yml b/.buildkite/pipelines/on_merge.yml
index b78a6411de7b8..c8799dc7df22e 100644
--- a/.buildkite/pipelines/on_merge.yml
+++ b/.buildkite/pipelines/on_merge.yml
@@ -218,7 +218,7 @@ steps:
       machineType: n2-standard-4
       preemptible: true
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 2
     retry:
       automatic:
         - exit_status: '-1'
@@ -248,7 +248,7 @@ steps:
       machineType: n2-standard-4
       preemptible: true
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
@@ -293,7 +293,7 @@ steps:
       machineType: n2-standard-4
       preemptible: true
     timeout_in_minutes: 60
-    parallelism: 2
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
@@ -308,7 +308,7 @@ steps:
       machineType: n2-standard-4
       preemptible: true
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 8
     retry:
       automatic:
         - exit_status: '-1'
diff --git a/.buildkite/pipelines/pointer_compression.yml b/.buildkite/pipelines/pointer_compression.yml
index 29f0b75ca4184..8a9dda84def5d 100644
--- a/.buildkite/pipelines/pointer_compression.yml
+++ b/.buildkite/pipelines/pointer_compression.yml
@@ -94,7 +94,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 8
+    parallelism: 10
     retry:
       automatic:
         - exit_status: '-1'
@@ -162,7 +162,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 2
     retry:
       automatic:
         - exit_status: '-1'
@@ -196,7 +196,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 4
     retry:
       automatic:
         - exit_status: '-1'
@@ -230,7 +230,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
@@ -298,7 +298,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 2
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
@@ -315,7 +315,7 @@ steps:
     depends_on:
       - build
     timeout_in_minutes: 60
-    parallelism: 6
+    parallelism: 8
     retry:
       automatic:
         - exit_status: '-1'
diff --git a/.buildkite/pipelines/pull_request/security_solution/detection_engine.yml b/.buildkite/pipelines/pull_request/security_solution/detection_engine.yml
index 8f3ed2dc2ff82..e1eada596dee0 100644
--- a/.buildkite/pipelines/pull_request/security_solution/detection_engine.yml
+++ b/.buildkite/pipelines/pull_request/security_solution/detection_engine.yml
@@ -33,7 +33,7 @@ steps:
       - check_types
       - check_oas_snapshot
     timeout_in_minutes: 60
-    parallelism: 2
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
diff --git a/.buildkite/pipelines/pull_request/security_solution/explore.yml b/.buildkite/pipelines/pull_request/security_solution/explore.yml
index 749b480c5be50..085b396c956d5 100644
--- a/.buildkite/pipelines/pull_request/security_solution/explore.yml
+++ b/.buildkite/pipelines/pull_request/security_solution/explore.yml
@@ -13,7 +13,7 @@ steps:
       - check_types
       - check_oas_snapshot
     timeout_in_minutes: 60
-    parallelism: 2
+    parallelism: 3
     retry:
       automatic:
         - exit_status: '-1'
diff --git a/.buildkite/pipelines/pull_request/security_solution/investigations.yml b/.buildkite/pipelines/pull_request/security_solution/investigations.yml
index 3126aa00d0327..a4340acf7a261 100644
--- a/.buildkite/pipelines/pull_request/security_solution/investigations.yml
+++ b/.buildkite/pipelines/pull_request/security_solution/investigations.yml
@@ -13,7 +13,7 @@ steps:
       - check_types
       - check_oas_snapshot
     timeout_in_minutes: 60
-    parallelism: 7
+    parallelism: 8
     retry:
       automatic:
         - exit_status: '-1'