diff --git a/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e.yaml b/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e.yaml
index 2bfc723c20..6f213fb208 100644
--- a/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e.yaml
+++ b/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-e2e.yaml
@@ -391,6 +391,7 @@
         - 'gke-1.1':
             timeout: 150
             description: 'Run E2E tests on GKE from the current release branch.'
+            cron-string: 'H */6 * * *'
         - 'gke-prod':
             timeout: 180
             description: |
@@ -412,6 +413,7 @@
     branch: 'release-1.1'
     runner: '{old-runner-1-1}'
     post-env: ''
+    cron-string: 'H */6 * * *'
     suffix:
         - 'gce-release-1.1':
             timeout: 175
@@ -429,6 +431,7 @@
     branch: 'release-1.0'
     runner: '{old-runner-1-0}'
     post-env: ''
+    cron-string: 'H */12 * * *'
     suffix:
         - 'gce-release-1.0':
             timeout: 150
diff --git a/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-soak.yaml b/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-soak.yaml
index d5e63b2c78..56dbb6ce19 100644
--- a/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-soak.yaml
+++ b/hack/jenkins/job-configs/kubernetes-jenkins/kubernetes-soak.yaml
@@ -57,7 +57,7 @@
         - junit-publisher
         - log-parser
     triggers:
-        - timed: 'H/30 * * * *'
+        - timed: '{cron-string}'
     wrappers:
         - ansicolor:
             colormap: xterm
@@ -145,6 +145,7 @@
             post-env: ''
             soak-deploy: ''
             soak-continuous: ''
+            cron-string: 'H */6 * * *'
         - 'gke':
             deploy-description: |
                 Deploy Kubernetes to a GKE soak cluster using the staging GKE