diff --git a/taskcluster/ci/build/macosx.yml b/taskcluster/ci/build/macosx.yml
index e617629258cb..ae4fa2a9845e 100644
--- a/taskcluster/ci/build/macosx.yml
+++ b/taskcluster/ci/build/macosx.yml
@@ -43,6 +43,27 @@ macosx64/opt:
         secrets: true
         tooltool-downloads: internal
 
+macosx64-devedition/opt:
+    description: "MacOS X Dev Edition x64"
+    index:
+        product: firefox
+        job-name: macosx64-devedition-opt
+    treeherder:
+        platform: macosx64-devedition/opt
+        symbol: tc(B)
+        tier: 1
+    worker-type: buildbot-bridge/buildbot-bridge
+    run:
+        using: mozharness
+        actions: [get-secrets build update]
+        config:
+            - builds/releng_base_mac_64_builds.py
+            - balrog/production.py
+        script: "mozharness/scripts/fx_desktop_build.py"
+        secrets: true
+        tooltool-downloads: internal
+    run-on-projects: ['mozilla-beta',]
+
 macosx64-noopt/debug:
     description: "MacOS X x64 No-optimize Debug"
     index:
diff --git a/taskcluster/taskgraph/transforms/gecko_v2_whitelist.py b/taskcluster/taskgraph/transforms/gecko_v2_whitelist.py
index 0e39226195ba..042f9f611bdd 100644
--- a/taskcluster/taskgraph/transforms/gecko_v2_whitelist.py
+++ b/taskcluster/taskgraph/transforms/gecko_v2_whitelist.py
@@ -54,6 +54,7 @@ JOB_NAME_WHITELIST = set([
     'macosx64-debug',
     'macosx64-noopt-debug',
     'macosx64-opt',
+    'macosx64-devedition-opt',
     'macosx64-st-an-debug',
     'macosx64-st-an-opt',
     'shell-haz-debug',
diff --git a/taskcluster/taskgraph/transforms/job/mozharness.py b/taskcluster/taskgraph/transforms/job/mozharness.py
index adac213e4eae..4dec02f0e939 100644
--- a/taskcluster/taskgraph/transforms/job/mozharness.py
+++ b/taskcluster/taskgraph/transforms/job/mozharness.py
@@ -260,8 +260,13 @@ def mozharness_on_buildbot_bridge(config, job, taskdesc):
 
     worker.pop('env', None)
 
+    if 'devedition' in job['attributes']['build_platform']:
+        buildername = 'OS X 10.7 {} devedition build'.format(branch)
+    else:
+        buildername = 'OS X 10.7 {} build'.format(branch)
+
     worker.update({
-        'buildername': 'OS X 10.7 {} build'.format(branch),
+        'buildername': buildername,
         'sourcestamp': {
             'branch': branch,
             'repository': config.params['head_repository'],