diff --git a/manifests/jenkins_master.pp b/manifests/jenkins_master.pp
index e372d84..526b1f5 100644
--- a/manifests/jenkins_master.pp
+++ b/manifests/jenkins_master.pp
@@ -2,6 +2,8 @@
 #
 class openstackci::jenkins_master (
   $serveradmin,
+  $jenkins_username        = 'jenkins',
+  $jenkins_password        = 'secret',
   $vhost_name              = $::fqdn,
   $logo                    = '', # Logo must be present in puppet-jenkins/files
   $ssl_cert_file           = '/etc/ssl/certs/ssl-cert-snakeoil.pem',
@@ -12,6 +14,13 @@ class openstackci::jenkins_master (
   $ssl_chain_file_contents = '',
   $jenkins_ssh_private_key = '',
   $jenkins_ssh_public_key  = '',
+  $manage_jenkins_jobs     = false,
+  $jenkins_url             = 'http://localhost:8080',
+  $jjb_update_timeout      = 1200,
+  $jjb_git_url             = 'https://git.openstack.org/openstack-infra/jenkins-job-builder',
+  $jjb_git_revision        = 'master',
+  $project_config_repo     = '',
+  $project_config_base     = '',
 ) {
 
   class { '::jenkins::master':
@@ -86,4 +95,24 @@ class openstackci::jenkins_master (
   jenkins::plugin { 'token-macro':
     version => '1.5.1',
   }
+
+  if $manage_jenkins_jobs == true {
+    if ! defined(Class['project_config']) {
+      class { 'project_config':
+        url  => $project_config_repo,
+        base => $project_config_base,
+      }
+    }
+    class { '::jenkins::job_builder':
+      url                         => $jenkins_url,
+      username                    => $jenkins_username,
+      password                    => $jenkins_password,
+      jenkins_jobs_update_timeout => $jjb_update_timeout,
+      git_revision                => $jjb_git_revision,
+      git_url                     => $jjb_git_url,
+      config_dir                  =>
+        $::project_config::jenkins_job_builder_config_dir,
+      require                     => $::project_config::config_dir,
+    }
+  }
 }
diff --git a/manifests/zuul_scheduler.pp b/manifests/zuul_scheduler.pp
index 92620b5..dcf7559 100644
--- a/manifests/zuul_scheduler.pp
+++ b/manifests/zuul_scheduler.pp
@@ -46,9 +46,11 @@ class openstackci::zuul_scheduler(
   $git_name = 'Zuul',
 ) {
 
-  class { 'project_config':
-    url  => $project_config_repo,
-    base => $project_config_base,
+  if ! defined(Class['project_config']) {
+    class { 'project_config':
+      url  => $project_config_repo,
+      base => $project_config_base,
+    }
   }
 
   class { '::zuul':