diff --git a/.gitignore b/.gitignore
index fef6d0b6..e4059f03 100644
--- a/.gitignore
+++ b/.gitignore
@@ -4,6 +4,7 @@
 /log/*.log
 /tmp
 /config/*.yml
+!/config/schedule.yml
 /.rvmrc
 /coverage
 **.orig
diff --git a/Gemfile b/Gemfile
index cc1348e6..5adabda4 100644
--- a/Gemfile
+++ b/Gemfile
@@ -29,7 +29,7 @@ gem 'redis', '~> 3.3.0'
 gem 'restpack_serializer', git: 'https://github.com/zooniverse/restpack_serializer.git', branch: 'talk-api-version', ref: '637aaaf85e'
 gem 'sidekiq', '< 6'
 gem 'sidekiq-congestion', '~> 0.1.0'
-gem 'sidetiq', '~> 0.7.2'
+gem 'sidekiq-cron', '<=1.8.0' # can remove this version constraint once we are on Rails 5+
 gem 'zoo_stream', '~> 1.0'
 
 group :test, :development do
@@ -51,6 +51,7 @@ end
 
 group :test do
   gem 'codeclimate-test-reporter', '~> 0.5'
+  gem 'mock_redis'
   gem 'simplecov', '~> 0.11.2'
   gem 'webmock', '~> 3.4'
 end
diff --git a/Gemfile.lock b/Gemfile.lock
index 9f26b453..71b85b60 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -57,23 +57,6 @@ GEM
       aws-sdk-core (= 2.3.7)
     benchmark-ips (2.6.1)
     builder (3.2.4)
-    celluloid (0.17.3)
-      celluloid-essentials
-      celluloid-extras
-      celluloid-fsm
-      celluloid-pool
-      celluloid-supervision
-      timers (>= 4.1.1)
-    celluloid-essentials (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-extras (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-fsm (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-pool (0.20.5)
-      timers (>= 4.1.1)
-    celluloid-supervision (0.20.6)
-      timers (>= 4.1.1)
     codeclimate-test-reporter (0.5.0)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.2)
@@ -91,6 +74,8 @@ GEM
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
+    et-orbi (1.2.11)
+      tzinfo
     factory_girl (4.7.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.7.0)
@@ -102,6 +87,9 @@ GEM
       faraday (>= 0.7.4, < 1.0)
     ffi (1.9.25)
     formatador (0.2.5)
+    fugit (1.11.0)
+      et-orbi (~> 1, >= 1.2.11)
+      raabro (~> 1.4)
     globalid (0.4.2)
       activesupport (>= 4.2.0)
     guard (2.14.0)
@@ -119,14 +107,12 @@ GEM
       guard-compat (~> 1.1)
       rspec (>= 2.99.0, < 4.0)
     hashdiff (0.3.7)
-    hitimes (1.3.0)
     honeybadger (4.5.6)
     http-accept (1.7.0)
     http-cookie (1.0.5)
       domain_name (~> 0.5)
     i18n (0.9.5)
       concurrent-ruby (~> 1.0)
-    ice_cube (0.14.0)
     its-it (1.3.0)
     jmespath (1.6.1)
     json (1.8.6)
@@ -171,6 +157,8 @@ GEM
     mini_mime (1.1.2)
     mini_portile2 (2.6.1)
     minitest (5.14.4)
+    mock_redis (0.36.0)
+      ruby2_keywords
     modware (0.1.3)
       key_struct (~> 0.4)
     multipart-post (2.1.1)
@@ -193,6 +181,7 @@ GEM
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
+    raabro (1.4.0)
     racc (1.6.0)
     rack (1.6.13)
     rack-cors (1.0.6)
@@ -260,6 +249,7 @@ GEM
       rspec-mocks (~> 3.4.0)
       rspec-support (~> 3.4.0)
     rspec-support (3.4.1)
+    ruby2_keywords (0.0.5)
     ruby_dep (1.3.1)
     safe_yaml (1.0.4)
     schema_monkey (2.1.5)
@@ -287,10 +277,9 @@ GEM
     sidekiq-congestion (0.1.1)
       congestion (~> 0.1)
       sidekiq (>= 3.0)
-    sidetiq (0.7.2)
-      celluloid (>= 0.17.3)
-      ice_cube (~> 0.14.0)
-      sidekiq (>= 4.1.0)
+    sidekiq-cron (1.4.0)
+      fugit (~> 1)
+      sidekiq (>= 4.2.1)
     simplecov (0.11.2)
       docile (~> 1.1.0)
       json (~> 1.8)
@@ -313,9 +302,7 @@ GEM
       rest-client (>= 2.0.2)
     thor (1.1.0)
     thread_safe (0.3.6)
-    timecop (0.9.8)
-    timers (4.1.2)
-      hitimes
+    timecop (0.8.1)
     tzinfo (1.2.10)
       thread_safe (~> 0.1)
     unf (0.1.4)
@@ -344,6 +331,7 @@ DEPENDENCIES
   json-schema (~> 2.8)
   json-schema_builder (~> 0.0.8)
   logstasher (~> 0.9.0)
+  mock_redis
   newrelic_rpm
   pg (~> 0.21)
   pry (~> 0.11.3)
@@ -358,7 +346,7 @@ DEPENDENCIES
   schema_plus_pg_indexes (~> 0.1.12)
   sidekiq (< 6)
   sidekiq-congestion (~> 0.1.0)
-  sidetiq (~> 0.7.2)
+  sidekiq-cron (<= 1.8.0)
   simplecov (~> 0.11.2)
   spring (~> 1.7.1)
   spring-commands-rspec (~> 1.0.4)
diff --git a/Gemfile.next.lock b/Gemfile.next.lock
index 4f3b8415..7d9c5bb6 100644
--- a/Gemfile.next.lock
+++ b/Gemfile.next.lock
@@ -62,8 +62,6 @@ GEM
     benchmark-ips (2.13.0)
     bigdecimal (3.1.8)
     builder (3.2.4)
-    celluloid (0.18.0)
-      timers (~> 4)
     codeclimate-test-reporter (0.6.0)
       simplecov (>= 0.7.1, < 1.0.0)
     coderay (1.1.3)
@@ -83,6 +81,8 @@ GEM
     domain_name (0.5.20190701)
       unf (>= 0.0.5, < 1.0.0)
     erubis (2.7.0)
+    et-orbi (1.2.11)
+      tzinfo
     factory_girl (4.7.0)
       activesupport (>= 3.0.0)
     factory_girl_rails (4.7.0)
@@ -115,6 +115,9 @@ GEM
       faraday (~> 1.0)
     ffi (1.16.3)
     formatador (1.1.0)
+    fugit (1.11.0)
+      et-orbi (~> 1, >= 1.2.11)
+      raabro (~> 1.4)
     globalid (1.1.0)
       activesupport (>= 5.0)
     guard (2.14.2)
@@ -138,7 +141,6 @@ GEM
       domain_name (~> 0.5)
     i18n (1.14.5)
       concurrent-ruby (~> 1.0)
-    ice_cube (0.14.0)
     its-it (1.3.0)
     jmespath (1.6.2)
     json (1.8.6)
@@ -185,6 +187,8 @@ GEM
     mini_mime (1.1.5)
     mini_portile2 (2.8.6)
     minitest (5.23.0)
+    mock_redis (0.36.0)
+      ruby2_keywords
     modware (0.1.3)
       key_struct (~> 0.4)
     multipart-post (2.4.1)
@@ -216,6 +220,7 @@ GEM
       nio4r (~> 2.0)
     pundit (1.1.0)
       activesupport (>= 3.0.0)
+    raabro (1.4.0)
     racc (1.8.0)
     rack (2.2.9)
     rack-cors (1.0.6)
@@ -313,10 +318,9 @@ GEM
     sidekiq-congestion (0.1.1)
       congestion (~> 0.1)
       sidekiq (>= 3.0)
-    sidetiq (0.7.2)
-      celluloid (>= 0.17.3)
-      ice_cube (~> 0.14.0)
-      sidekiq (>= 4.1.0)
+    sidekiq-cron (1.8.0)
+      fugit (~> 1)
+      sidekiq (>= 4.2.1)
     simplecov (0.11.2)
       docile (~> 1.1.0)
       json (~> 1.8)
@@ -343,7 +347,6 @@ GEM
     thread_safe (0.3.6)
     timecop (0.9.8)
     timeout (0.4.1)
-    timers (4.3.5)
     tzinfo (1.2.11)
       thread_safe (~> 0.1)
     unf (0.1.4)
@@ -375,6 +378,7 @@ DEPENDENCIES
   json-schema (~> 2.8)
   json-schema_builder (~> 0.0.8)
   logstasher (~> 0.9.0)
+  mock_redis
   newrelic_rpm
   pg (~> 0.21)
   pry (~> 0.11.3)
@@ -389,7 +393,7 @@ DEPENDENCIES
   schema_plus_pg_indexes (~> 0.2.1)
   sidekiq (< 6)
   sidekiq-congestion (~> 0.1.0)
-  sidetiq (~> 0.7.2)
+  sidekiq-cron (<= 1.8.0)
   simplecov (~> 0.11.2)
   spring (~> 2.0.2)
   spring-commands-rspec (~> 1.0.4)
diff --git a/app/workers/concerns/digest_email_worker.rb b/app/workers/concerns/digest_email_worker.rb
index 8e061c29..8f7975e5 100644
--- a/app/workers/concerns/digest_email_worker.rb
+++ b/app/workers/concerns/digest_email_worker.rb
@@ -3,7 +3,6 @@ module DigestEmailWorker
 
   included do
     include Sidekiq::Worker
-    include Sidetiq::Schedulable
 
     sidekiq_options retry: false, backtrace: true
 
diff --git a/app/workers/concerns/expiry_worker.rb b/app/workers/concerns/expiry_worker.rb
index 53db1788..f429ed9e 100644
--- a/app/workers/concerns/expiry_worker.rb
+++ b/app/workers/concerns/expiry_worker.rb
@@ -3,14 +3,12 @@ module ExpiryWorker
 
   included do
     include Sidekiq::Worker
-    include Sidetiq::Schedulable
 
     class << self
       attr_accessor :model
     end
 
     sidekiq_options retry: false, backtrace: true
-    recurrence{ hourly }
   end
 
   def perform
diff --git a/app/workers/daily_digest_email_worker.rb b/app/workers/daily_digest_email_worker.rb
index d9d590c0..d412b9d7 100644
--- a/app/workers/daily_digest_email_worker.rb
+++ b/app/workers/daily_digest_email_worker.rb
@@ -1,8 +1,4 @@
 class DailyDigestEmailWorker
   include DigestEmailWorker
   self.frequency = :daily
-
-  recurrence do
-    daily.hour_of_day 6
-  end
 end
diff --git a/app/workers/weekly_digest_email_worker.rb b/app/workers/weekly_digest_email_worker.rb
index 678ddae8..64e0b6c2 100644
--- a/app/workers/weekly_digest_email_worker.rb
+++ b/app/workers/weekly_digest_email_worker.rb
@@ -1,8 +1,4 @@
 class WeeklyDigestEmailWorker
   include DigestEmailWorker
   self.frequency = :weekly
-
-  recurrence do
-    weekly.day(:monday).hour_of_day 12
-  end
 end
diff --git a/config/initializers/sidekiq.rb b/config/initializers/sidekiq.rb
index 3be80ac8..49f481f5 100644
--- a/config/initializers/sidekiq.rb
+++ b/config/initializers/sidekiq.rb
@@ -13,6 +13,12 @@ def self.redis_url
   config.server_middleware do |chain|
     chain.add Sidekiq::Congestion::Limiter
   end
+
+  # Sidekiq-cron: loads recurring jobs from config/schedule.yml
+  schedule_file = 'config/schedule.yml'
+  if File.exist?(schedule_file)
+    Sidekiq::Cron::Job.load_from_hash YAML.load_file(schedule_file)
+  end
 end
 
 require 'sidekiq/web'
@@ -23,13 +29,6 @@ def self.redis_url
   password == ENV.fetch('SIDEKIQ_ADMIN_PASSWORD')
 end unless Rails.env.test? || Rails.env.development?
 
-require 'sidetiq'
-Sidetiq.configure do |config|
-  config.utc = true
-end
-
-require 'sidetiq/web'
-
 # preload autoloaded workers
 Dir[Rails.root.join('app/workers/**/*.rb')].sort.each do |path|
   name = path.match(/workers\/(.+)\.rb$/)[1]
diff --git a/config/routes.rb b/config/routes.rb
index a230d16d..b00431ed 100644
--- a/config/routes.rb
+++ b/config/routes.rb
@@ -1,4 +1,5 @@
 require 'sidekiq/web'
+require 'sidekiq/cron/web'
 
 Rails.application.routes.draw do
   defaults format: 'json' do
diff --git a/config/schedule.yml b/config/schedule.yml
new file mode 100644
index 00000000..ba67177a
--- /dev/null
+++ b/config/schedule.yml
@@ -0,0 +1,36 @@
+# Here is a list of jobs that are scheduled to run periodically.
+# We use a UNIX cron notation to specify execution schedule.
+#
+# Please read here for more information:
+# https://github.com/ondrejbartas/sidekiq-cron#adding-cron-job
+
+announcement_expiry_worker:
+  cron: "0 * * * *"
+  class: "AnnouncementExpiryWorker"
+  queue: "default"
+  description: "Hourly worker that destroys all expired Announcements. Announcements expires_at set to 1 month from creation"
+daily_digest_email_worker:
+  cron: "0 6 * * *"
+  class: "DailyDigestEmailWorker"
+  queue: "default"
+  description: "Daily worker that sends notifications to users who have a Daily Subscription Preference. Runs at 6th hour of the day."
+data_request_expiry_worker:
+  cron: "0 * * * *"
+  class: "DataRequestExpiryWorker"
+  queue: "default"
+  description: "Hourly worker that destroys all expired Data Requests. Data Request expires_at is set to 1 day from request creation."
+notification_expiry_worker:
+  cron: "0 * * * *"
+  class: "NotificationExpiryWorker"
+  queue: "default"
+  description: "Hourly worker that destroys all expired Notifications. Notifications expires in 3 months of creation"
+unsubscribe_token_expiry_worker:
+  cron: "0 * * * *"
+  class: "UnsubscribeTokenExpiryWorker"
+  queue: "default"
+  description: "Hourly worker that destroys all unsubscribe_tokens. Unsubscribe_token expires_at set to 1 month of creation"
+weekly_digest_expiry_worker:
+  cron: "0 12 * * 1"
+  class: "WeeklyDigestEmailWorker"
+  queue: "default"
+  description: "Weekly worker that sends notifications to users who have a subscription preference set to weekly. Runs on Mondays on the 12th hour of the day."
\ No newline at end of file
diff --git a/spec/spec_helper.rb b/spec/spec_helper.rb
index c28999af..ef836a43 100644
--- a/spec/spec_helper.rb
+++ b/spec/spec_helper.rb
@@ -31,10 +31,22 @@
 RSpec.configure do |config|
   config.include FactoryGirl::Syntax::Methods
   config.include JSON::SchemaBuilder::RSpecHelper, type: :schema
+  MOCK_REDIS ||= MockRedis.new
 
   config.before(:suite){ WebMock.disable_net_connect! }
   config.after(:suite){ WebMock.allow_net_connect! }
 
+  config.before(:each) do |example|
+    allow(Redis).to receive(:new).and_return(MOCK_REDIS)
+
+    MOCK_REDIS.keys.each do |key|
+      MOCK_REDIS.del(key)
+    end
+
+    # Clears out the jobs for tests using the fake testing
+    Sidekiq::Worker.clear_all
+  end
+
   config.expect_with :rspec do |expectations|
     expectations.include_chain_clauses_in_custom_matcher_descriptions = true
   end
diff --git a/spec/support/shared_examples_for_expirable.rb b/spec/support/shared_examples_for_expirable.rb
index 31e2031e..9264f99b 100644
--- a/spec/support/shared_examples_for_expirable.rb
+++ b/spec/support/shared_examples_for_expirable.rb
@@ -18,9 +18,17 @@
 RSpec.shared_examples_for 'an expiry worker' do |model:|
   it{ is_expected.to be_a Sidekiq::Worker }
 
-  describe 'schedule' do
-    subject{ described_class.schedule.to_s }
-    it{ is_expected.to eql 'Hourly' }
+  describe 'hourly schedule' do
+    it_behaves_like 'is schedulable' do
+      let(:cron_sched) { '0 * * * *' }
+      let(:enqueue_time) { Fugit::Cron.parse(cron_sched).previous_time }
+      let(:class_name) { described_class.name }
+      let(:enqueued_times) {
+        [
+          enqueue_time.utc
+        ]
+      }
+    end
   end
 
   describe '.model' do
diff --git a/spec/support/shared_examples_for_schedulable.rb b/spec/support/shared_examples_for_schedulable.rb
new file mode 100644
index 00000000..f4f151e9
--- /dev/null
+++ b/spec/support/shared_examples_for_schedulable.rb
@@ -0,0 +1,17 @@
+shared_examples 'is schedulable' do
+  let(:job) { Sidekiq::Cron::Job.new(name: 'cron_job_name', cron: cron_sched, class: class_name) }
+
+  it 'gets queued on enqueued_times' do
+    enqueued_times.each do |enqueued_time|
+        # update to formatted_enqueue_time when updating sidekiq-cron to 1.9+ (sidekiq 7 support)
+        job_enqueue_time = Time.at(job.formated_enqueue_time.to_f).utc
+        expect(job_enqueue_time).to eq(enqueued_time)
+    end
+  end
+
+  it 'does not get enqueued outside of enqueued_times' do
+    outside_time = enqueued_times.first + 3 * 60
+
+    expect(job.should_enque?(outside_time)).to be false
+  end
+end
\ No newline at end of file
diff --git a/spec/workers/daily_digest_email_worker_spec.rb b/spec/workers/daily_digest_email_worker_spec.rb
index c19b2e60..86a477a0 100644
--- a/spec/workers/daily_digest_email_worker_spec.rb
+++ b/spec/workers/daily_digest_email_worker_spec.rb
@@ -2,5 +2,14 @@
 
 RSpec.describe DailyDigestEmailWorker, type: :worker do
   it_behaves_like 'a digest email worker', scope: :daily
-  its('class.schedule.to_s'){ is_expected.to eql 'Daily on the 6th hour of the day' }
+  it_behaves_like 'is schedulable' do
+    let(:cron_sched) { '0 6 * * *' }
+      let(:enqueue_time) { Fugit::Cron.parse(cron_sched).previous_time }
+      let(:class_name) { described_class.name }
+      let(:enqueued_times) {
+        [
+          enqueue_time.utc
+        ]
+      }
+  end
 end
diff --git a/spec/workers/weekly_digest_email_worker_spec.rb b/spec/workers/weekly_digest_email_worker_spec.rb
index 98c66ad3..a5670b2e 100644
--- a/spec/workers/weekly_digest_email_worker_spec.rb
+++ b/spec/workers/weekly_digest_email_worker_spec.rb
@@ -2,5 +2,14 @@
 
 RSpec.describe WeeklyDigestEmailWorker, type: :worker do
   it_behaves_like 'a digest email worker', scope: :weekly
-  its('class.schedule.to_s'){ is_expected.to eql 'Weekly on Mondays on the 12th hour of the day' }
+  it_behaves_like 'is schedulable' do
+    let(:cron_sched) { '0 12 * * 1' }
+      let(:enqueue_time) { Fugit::Cron.parse(cron_sched).previous_time }
+      let(:class_name) { described_class.name }
+      let(:enqueued_times) {
+        [
+          enqueue_time.utc
+        ]
+      }
+  end
 end