diff --git a/scripts/tests/test_dashboards_render_atlas.py b/scripts/tests/test_dashboards_render_atlas.py
index d102d4fc..5c65aaf2 100644
--- a/scripts/tests/test_dashboards_render_atlas.py
+++ b/scripts/tests/test_dashboards_render_atlas.py
@@ -468,6 +468,26 @@ def test_jobs_dashboard_collapses_heavy_drilldowns_for_light_first_paint():
     assert branch_panel["targets"][0]["expr"].startswith("sort(")
 
 
+def test_in_scope_jenkins_jobs_have_twice_daily_refresh_trigger():
+    casc = pathlib.Path("services/jenkins/configmap-jcasc.yaml").read_text()
+    in_scope_jobs = [
+        "ananke",
+        "ariadne",
+        "atlasbot",
+        "bstein-dev-home",
+        "data-prepper",
+        "metis",
+        "pegasus",
+        "soteria",
+        "titan-iac",
+    ]
+
+    for job in in_scope_jobs:
+        block = casc.split(f"pipelineJob('{job}')", 1)[1].split("pipelineJob(", 1)[0]
+        assert "cron" in block
+        assert "spec('H H/12 * * *')" in block
+
+
 def test_lesavka_jenkins_job_has_daily_refresh_trigger():
     casc = pathlib.Path("services/jenkins/configmap-jcasc.yaml").read_text()
     lesavka_block = casc.split("pipelineJob('lesavka')", 1)[1].split("pipelineJob(", 1)[0]
diff --git a/services/jenkins/configmap-jcasc.yaml b/services/jenkins/configmap-jcasc.yaml
index 33b3faed..4b59de10 100644
--- a/services/jenkins/configmap-jcasc.yaml
+++ b/services/jenkins/configmap-jcasc.yaml
@@ -93,7 +93,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -122,7 +122,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -151,7 +151,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -180,7 +180,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -264,7 +264,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -293,7 +293,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -322,7 +322,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -351,7 +351,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }
@@ -380,7 +380,7 @@ data:
                     ignorePostCommitHooks(false)
                   }
                   cron {
-                    spec('H H * * *')
+                    spec('H H/12 * * *')
                   }
                 }
               }