diff --git a/bin/bulk b/bin/bulk
new file mode 120000
--- /dev/null
+++ b/bin/bulk
@@ -0,0 +1 @@
+../scripts/setup/manage_bulk.php
\ No newline at end of file
diff --git a/resources/sql/autopatches/20180119.bulk.01.silent.sql b/resources/sql/autopatches/20180119.bulk.01.silent.sql
new file mode 100644
--- /dev/null
+++ b/resources/sql/autopatches/20180119.bulk.01.silent.sql
@@ -0,0 +1,2 @@
+ALTER TABLE {$NAMESPACE}_worker.worker_bulkjob
+  ADD isSilent BOOL NOT NULL;
diff --git a/scripts/manage_bulk.php b/scripts/manage_bulk.php
new file mode 120000
--- /dev/null
+++ b/scripts/manage_bulk.php
@@ -0,0 +1 @@
+../scripts/setup/manage_bulk.php
\ No newline at end of file
diff --git a/scripts/setup/manage_bulk.php b/scripts/setup/manage_bulk.php
new file mode 100755
--- /dev/null
+++ b/scripts/setup/manage_bulk.php
@@ -0,0 +1,21 @@
+#!/usr/bin/env php
+<?php
+
+$root = dirname(dirname(dirname(__FILE__)));
+require_once $root.'/scripts/__init_script__.php';
+
+$args = new PhutilArgumentParser($argv);
+$args->setTagline(pht('manage bulk jobs'));
+$args->setSynopsis(<<<EOSYNOPSIS
+**bulk** __command__ [__options__]
+  Manage and debug bulk jobs.
+
+EOSYNOPSIS
+  );
+$args->parseStandardArguments();
+
+$workflows = id(new PhutilClassMapQuery())
+  ->setAncestorClass('PhabricatorBulkManagementWorkflow')
+  ->execute();
+$workflows[] = new PhutilHelpArgumentWorkflow();
+$args->parseWorkflows($workflows);
diff --git a/src/__phutil_library_map__.php b/src/__phutil_library_map__.php
--- a/src/__phutil_library_map__.php
+++ b/src/__phutil_library_map__.php
@@ -2206,6 +2206,8 @@
     'PhabricatorBulkContentSource' => 'infrastructure/daemon/contentsource/PhabricatorBulkContentSource.php',
     'PhabricatorBulkEditGroup' => 'applications/transactions/bulk/PhabricatorBulkEditGroup.php',
     'PhabricatorBulkEngine' => 'applications/transactions/bulk/PhabricatorBulkEngine.php',
+    'PhabricatorBulkManagementMakeSilentWorkflow' => 'applications/transactions/bulk/management/PhabricatorBulkManagementMakeSilentWorkflow.php',
+    'PhabricatorBulkManagementWorkflow' => 'applications/transactions/bulk/management/PhabricatorBulkManagementWorkflow.php',
     'PhabricatorCacheDAO' => 'applications/cache/storage/PhabricatorCacheDAO.php',
     'PhabricatorCacheEngine' => 'applications/system/engine/PhabricatorCacheEngine.php',
     'PhabricatorCacheEngineExtension' => 'applications/system/engine/PhabricatorCacheEngineExtension.php',
@@ -7504,6 +7506,8 @@
     'PhabricatorBulkContentSource' => 'PhabricatorContentSource',
     'PhabricatorBulkEditGroup' => 'Phobject',
     'PhabricatorBulkEngine' => 'Phobject',
+    'PhabricatorBulkManagementMakeSilentWorkflow' => 'PhabricatorBulkManagementWorkflow',
+    'PhabricatorBulkManagementWorkflow' => 'PhabricatorManagementWorkflow',
     'PhabricatorCacheDAO' => 'PhabricatorLiskDAO',
     'PhabricatorCacheEngine' => 'Phobject',
     'PhabricatorCacheEngineExtension' => 'Phobject',
diff --git a/src/applications/daemon/controller/PhabricatorDaemonBulkJobMonitorController.php b/src/applications/daemon/controller/PhabricatorDaemonBulkJobMonitorController.php
--- a/src/applications/daemon/controller/PhabricatorDaemonBulkJobMonitorController.php
+++ b/src/applications/daemon/controller/PhabricatorDaemonBulkJobMonitorController.php
@@ -49,13 +49,22 @@
           return id(new AphrontRedirectResponse())
             ->setURI($job->getMonitorURI());
         } else {
-          return $this->newDialog()
-            ->setTitle(pht('Confirm Bulk Job'))
-            ->appendParagraph($job->getDescriptionForConfirm())
+          $dialog = $this->newDialog()
+            ->setTitle(pht('Confirm Bulk Job'));
+
+          $confirm = $job->getDescriptionForConfirm();
+          $confirm = (array)$confirm;
+          foreach ($confirm as $paragraph) {
+            $dialog->appendParagraph($paragraph);
+          }
+
+          $dialog
             ->appendParagraph(
               pht('Start work on this bulk job?'))
             ->addCancelButton($job->getManageURI(), pht('Details'))
             ->addSubmitButton(pht('Start Work'));
+
+          return $dialog;
         }
       } else {
         return $this->newDialog()
diff --git a/src/applications/transactions/bulk/PhabricatorEditEngineBulkJobType.php b/src/applications/transactions/bulk/PhabricatorEditEngineBulkJobType.php
--- a/src/applications/transactions/bulk/PhabricatorEditEngineBulkJobType.php
+++ b/src/applications/transactions/bulk/PhabricatorEditEngineBulkJobType.php
@@ -12,10 +12,36 @@
   }
 
   public function getDescriptionForConfirm(PhabricatorWorkerBulkJob $job) {
-    return pht(
+    $parts = array();
+
+    $parts[] = pht(
       'You are about to apply a bulk edit which will affect '.
       '%s object(s).',
       new PhutilNumber($job->getSize()));
+
+    if ($job->getIsSilent()) {
+      $parts[] = pht(
+        'If you start work now, this edit will be applied silently: it will '.
+        'not send mail or publish notifications.');
+    } else {
+      $parts[] = pht(
+        'If you start work now, this edit will send mail and publish '.
+        'notifications normally.');
+
+      $parts[] = pht('To silence this edit, run this command:');
+
+      $command = csprintf(
+        'phabricator/ $ ./bin/bulk make-silent --id %R',
+        $job->getID());
+      $command = (string)$command;
+
+      $parts[] = phutil_tag('tt', array(), $command);
+
+      $parts[] = pht(
+        'After running this command, reload this page to see the new setting.');
+    }
+
+    return $parts;
   }
 
   public function getJobSize(PhabricatorWorkerBulkJob $job) {
@@ -56,12 +82,14 @@
 
     $raw_xactions = $job->getParameter('xactions');
     $xactions = $this->buildTransactions($object, $raw_xactions);
+    $is_silent = $job->getIsSilent();
 
     $editor = $object->getApplicationTransactionEditor()
       ->setActor($actor)
       ->setContentSource($job->newContentSource())
       ->setContinueOnNoEffect(true)
       ->setContinueOnMissingFields(true)
+      ->setIsSilent($is_silent)
       ->applyTransactions($object, $xactions);
   }
 
diff --git a/src/applications/transactions/bulk/management/PhabricatorBulkManagementMakeSilentWorkflow.php b/src/applications/transactions/bulk/management/PhabricatorBulkManagementMakeSilentWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/applications/transactions/bulk/management/PhabricatorBulkManagementMakeSilentWorkflow.php
@@ -0,0 +1,72 @@
+<?php
+
+final class PhabricatorBulkManagementMakeSilentWorkflow
+  extends PhabricatorBulkManagementWorkflow {
+
+  protected function didConstruct() {
+    $this
+      ->setName('make-silent')
+      ->setExamples('**make-silent** [options]')
+      ->setSynopsis(
+        pht('Configure a bulk job to execute silently.'))
+      ->setArguments(
+        array(
+          array(
+            'name' => 'id',
+            'param' => 'id',
+            'help' => pht(
+              'Configure bulk job __id__ to run silently (without sending '.
+              'mail or publishing notifications).'),
+          ),
+        ));
+  }
+
+  public function execute(PhutilArgumentParser $args) {
+    $viewer = $this->getViewer();
+
+    $id = $args->getArg('id');
+    if (!$id) {
+      throw new PhutilArgumentUsageException(
+        pht('Use "--id" to choose a bulk job to make silent.'));
+    }
+
+    $job = id(new PhabricatorWorkerBulkJobQuery())
+      ->setViewer($viewer)
+      ->withIDs(array($id))
+      ->executeOne();
+    if (!$job) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'Unable to load bulk job with ID "%s".',
+          $id));
+    }
+
+    if ($job->getIsSilent()) {
+      echo tsprintf(
+        "%s\n",
+        pht('This job is already configured to run silently.'));
+      return 0;
+    }
+
+    if ($job->getStatus() !== PhabricatorWorkerBulkJob::STATUS_CONFIRM) {
+      throw new PhutilArgumentUsageException(
+        pht(
+          'Work has already started on job "%s". Jobs can not be '.
+          'reconfigured after they have been started.',
+          $id));
+    }
+
+    $job
+      ->setIsSilent(true)
+      ->save();
+
+    echo tsprintf(
+      "%s\n",
+      pht(
+        'Configured job "%s" to run silently.',
+        $id));
+
+    return 0;
+  }
+
+}
diff --git a/src/applications/transactions/bulk/management/PhabricatorBulkManagementWorkflow.php b/src/applications/transactions/bulk/management/PhabricatorBulkManagementWorkflow.php
new file mode 100644
--- /dev/null
+++ b/src/applications/transactions/bulk/management/PhabricatorBulkManagementWorkflow.php
@@ -0,0 +1,4 @@
+<?php
+
+abstract class PhabricatorBulkManagementWorkflow
+  extends PhabricatorManagementWorkflow {}
diff --git a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerBulkJob.php b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerBulkJob.php
--- a/src/infrastructure/daemon/workers/storage/PhabricatorWorkerBulkJob.php
+++ b/src/infrastructure/daemon/workers/storage/PhabricatorWorkerBulkJob.php
@@ -21,6 +21,7 @@
   protected $status;
   protected $parameters = array();
   protected $size;
+  protected $isSilent;
 
   private $jobImplementation = self::ATTACHABLE;
 
@@ -34,6 +35,7 @@
         'jobTypeKey' => 'text32',
         'status' => 'text32',
         'size' => 'uint32',
+        'isSilent' => 'bool',
       ),
       self::CONFIG_KEY_SCHEMA => array(
         'key_type' => array(
@@ -58,7 +60,8 @@
       ->setAuthorPHID($actor->getPHID())
       ->setJobTypeKey($type->getBulkJobTypeKey())
       ->setParameters($parameters)
-      ->attachJobImplementation($type);
+      ->attachJobImplementation($type)
+      ->setIsSilent(0);
 
     $job->setSize($job->computeSize());
 
diff --git a/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php b/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
--- a/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
+++ b/src/infrastructure/internationalization/translation/PhabricatorUSEnglishTranslation.php
@@ -1639,6 +1639,13 @@
         ),
       ),
 
+      'You are about to apply a bulk edit which will affect '.
+      '%s object(s).' => array(
+        'You are about to apply a bulk edit to a single object.',
+        'You are about to apply a bulk edit which will affect '.
+        '%s objects.',
+      ),
+
     );
   }
 
diff --git a/src/view/phui/PHUITimelineEventView.php b/src/view/phui/PHUITimelineEventView.php
--- a/src/view/phui/PHUITimelineEventView.php
+++ b/src/view/phui/PHUITimelineEventView.php
@@ -584,6 +584,14 @@
         }
         $extra[] = $date;
       }
+
+      // If this edit was applied silently, give user a hint that they should
+      // not expect to have received any mail or notifications.
+      if ($this->getIsSilent()) {
+        $extra[] = id(new PHUIIconView())
+          ->setIcon('fa-bell-slash', 'red')
+          ->setTooltip(pht('Silent Edit'));
+      }
     }
 
     $extra = javelin_tag(