diff --git a/app/jobs/regular/admin_confirmation_email.rb b/app/jobs/regular/admin_confirmation_email.rb
new file mode 100644
index 00000000..48746de4
--- /dev/null
+++ b/app/jobs/regular/admin_confirmation_email.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Jobs
+  class AdminConfirmationEmail < ::Jobs::Base
+    sidekiq_options queue: 'critical'
+
+    def execute(args)
+      to_address = args[:to_address]
+      token = args[:token]
+      target_email = args[:target_email]
+      target_username = args[:target_username]
+
+      raise Discourse::InvalidParameters.new(:to_address) if to_address.blank?
+      raise Discourse::InvalidParameters.new(:token) if token.blank?
+      raise Discourse::InvalidParameters.new(:target_email) if target_email.blank?
+      raise Discourse::InvalidParameters.new(:target_username) if target_username.blank?
+
+      message = AdminConfirmationMailer.send_email(to_address, target_email, target_username, token)
+      Email::Sender.new(message, :admin_confirmation_message).send
+    end
+
+  end
+end
diff --git a/app/jobs/regular/bump_topic.rb b/app/jobs/regular/bump_topic.rb
new file mode 100644
index 00000000..a8cd9fa3
--- /dev/null
+++ b/app/jobs/regular/bump_topic.rb
@@ -0,0 +1,13 @@
+# frozen_string_literal: true
+
+module Jobs
+  class BumpTopic < ::Jobs::TopicTimerBase
+    def execute_timer_action(topic_timer, topic)
+      if Guardian.new(topic_timer.user).can_create_post_on_topic?(topic)
+        topic.add_small_action(Discourse.system_user, "autobumped", nil, bump: true)
+      end
+
+      topic_timer.trash!(Discourse.system_user)
+    end
+  end
+end
diff --git a/app/jobs/regular/clear_slow_mode.rb b/app/jobs/regular/clear_slow_mode.rb
new file mode 100644
index 00000000..361cce87
--- /dev/null
+++ b/app/jobs/regular/clear_slow_mode.rb
@@ -0,0 +1,10 @@
+# frozen_string_literal: true
+
+module Jobs
+  class ClearSlowMode < ::Jobs::TopicTimerBase
+    def execute_timer_action(topic_timer, topic)
+      topic.update!(slow_mode_seconds: 0)
+      topic_timer.trash!(Discourse.system_user)
+    end
+  end
+end
diff --git a/app/jobs/regular/close_topic.rb b/app/jobs/regular/close_topic.rb
new file mode 100644
index 00000000..3385d63c
--- /dev/null
+++ b/app/jobs/regular/close_topic.rb
@@ -0,0 +1,31 @@
+# frozen_string_literal: true
+
+module Jobs
+  class CloseTopic < ::Jobs::TopicTimerBase
+    def execute_timer_action(topic_timer, topic)
+      silent = @args[:silent]
+      user = topic_timer.user
+
+      if topic.closed?
+        topic_timer.destroy!
+        return
+      end
+
+      if !Guardian.new(user).can_close_topic?(topic)
+        topic_timer.destroy!
+        topic.reload
+
+        if topic_timer.based_on_last_post
+          topic.inherit_auto_close_from_category(timer_type: silent ? :silent_close : :close)
+        end
+
+        return
+      end
+
+      # this handles deleting the topic timer as well, see TopicStatusUpdater
+      topic.update_status('autoclosed', true, user, { silent: silent })
+
+      MessageBus.publish("/topic/#{topic.id}", reload_topic: true)
+    end
+  end
+end
diff --git a/app/jobs/regular/confirm_sns_subscription.rb b/app/jobs/regular/confirm_sns_subscription.rb
new file mode 100644
index 00000000..f68588f8
--- /dev/null
+++ b/app/jobs/regular/confirm_sns_subscription.rb
@@ -0,0 +1,27 @@
+# frozen_string_literal: true
+
+module Jobs
+
+  class ConfirmSnsSubscription < ::Jobs::Base
+    sidekiq_options retry: false
+
+    def execute(args)
+      return unless raw = args[:raw].presence
+      return unless json = args[:json].presence
+      return unless subscribe_url = json["SubscribeURL"].presence
+
+      require "aws-sdk-sns"
+      return unless Aws::SNS::MessageVerifier.new.authentic?(raw)
+
+      uri = begin
+        URI.parse(subscribe_url)
+      rescue URI::Error
+        return
+      end
+
+      Net::HTTP.get(uri)
+    end
+
+  end
+
+end
diff --git a/app/jobs/regular/crawl_topic_link.rb b/app/jobs/regular/crawl_topic_link.rb
new file mode 100644
index 00000000..da7659ec
--- /dev/null
+++ b/app/jobs/regular/crawl_topic_link.rb
@@ -0,0 +1,52 @@
+# frozen_string_literal: true
+
+require 'open-uri'
+require 'nokogiri'
+require 'excon'
+
+module Jobs
+  class CrawlTopicLink < ::Jobs::Base
+
+    sidekiq_options queue: 'low'
+
+    def execute(args)
+      raise Discourse::InvalidParameters.new(:topic_link_id) unless args[:topic_link_id].present?
+
+      topic_link = TopicLink.find_by(id: args[:topic_link_id], internal: false, crawled_at: nil)
+      return if topic_link.blank?
+
+      # Look for a topic embed for the URL. If it exists, use its title and don't crawl
+      topic_embed = TopicEmbed.where(embed_url: topic_link.url).includes(:topic).references(:topic).first
+      # topic could be deleted, so skip
+      if topic_embed && topic_embed.topic
+        TopicLink.where(id: topic_link.id).update_all(['title = ?, crawled_at = CURRENT_TIMESTAMP', topic_embed.topic.title[0..255]])
+        return
+      end
+
+      begin
+        crawled = false
+
+        # Special case: Images
+        # If the link is to an image, put the filename as the title
+        if FileHelper.is_supported_image?(topic_link.url)
+          uri = URI(topic_link.url)
+          filename = File.basename(uri.path)
+          crawled = (TopicLink.where(id: topic_link.id).update_all(["title = ?, crawled_at = CURRENT_TIMESTAMP", filename]) == 1)
+        end
+
+        unless crawled
+          # Fetch the beginning of the document to find the title
+          title = RetrieveTitle.crawl(topic_link.url)
+          if title.present?
+            crawled = (TopicLink.where(id: topic_link.id).update_all(['title = ?, crawled_at = CURRENT_TIMESTAMP', title[0..254]]) == 1)
+          end
+        end
+      rescue Exception
+        # If there was a connection error, do nothing
+      ensure
+        TopicLink.where(id: topic_link.id).update_all('crawled_at = CURRENT_TIMESTAMP') if !crawled && topic_link.present?
+      end
+    end
+
+  end
+end
diff --git a/app/jobs/regular/create_avatar_thumbnails.rb b/app/jobs/regular/create_avatar_thumbnails.rb
new file mode 100644
index 00000000..51988a47
--- /dev/null
+++ b/app/jobs/regular/create_avatar_thumbnails.rb
@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+module Jobs
+
+  class CreateAvatarThumbnails < ::Jobs::Base
+    sidekiq_options queue: 'low'
+
+    def execute(args)
+      return if Rails.env.test?
+      upload_id = args[:upload_id]
+
+      raise Discourse::InvalidParameters.new(:upload_id) if upload_id.blank?
+
+      return unless upload = Upload.find_by(id: upload_id)
+
+      Discourse.avatar_sizes.each do |size|
+        OptimizedImage.create_for(upload, size, size)
+      end
+    end
+
+  end
+
+end