diff --git a/app/jobs/champ_fetch_external_data_job.rb b/app/jobs/champ_fetch_external_data_job.rb
index 99cd96a6e..134d579e0 100644
--- a/app/jobs/champ_fetch_external_data_job.rb
+++ b/app/jobs/champ_fetch_external_data_job.rb
@@ -2,6 +2,7 @@
 
 class ChampFetchExternalDataJob < ApplicationJob
   discard_on ActiveJob::DeserializationError
+  queue_as :critical # ui feedback, asap
 
   include Dry::Monads[:result]
 
diff --git a/app/jobs/destroy_record_later_job.rb b/app/jobs/destroy_record_later_job.rb
index 8b39e11ac..426c967a7 100644
--- a/app/jobs/destroy_record_later_job.rb
+++ b/app/jobs/destroy_record_later_job.rb
@@ -2,6 +2,7 @@
 
 class DestroyRecordLaterJob < ApplicationJob
   discard_on ActiveRecord::RecordNotFound
+  queue_as :low # destroy later, will be done when possible
 
   def perform(record)
     record.destroy
diff --git a/app/jobs/dolist_report_job.rb b/app/jobs/dolist_report_job.rb
index a27348270..60e1be5bf 100644
--- a/app/jobs/dolist_report_job.rb
+++ b/app/jobs/dolist_report_job.rb
@@ -3,6 +3,7 @@
 class DolistReportJob < ApplicationJob
   # Consolidate random recent emails dispatched to Dolist with their statuses
   # and send a report by email.
+  queue_as :low # reporting will be done asap
   def perform(report_to, sample_size = 1000)
     events = EmailEvent.dolist.dispatched.where(processed_at: 2.weeks.ago..).order("RANDOM()").limit(sample_size)
 
diff --git a/app/jobs/etablissement_update_job.rb b/app/jobs/etablissement_update_job.rb
index cff98d98e..f5eaacba0 100644
--- a/app/jobs/etablissement_update_job.rb
+++ b/app/jobs/etablissement_update_job.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class EtablissementUpdateJob < ApplicationJob
+  queue_as :critical # reporting will be done asap, but no occurence found. maube dead?
   def perform(dossier, siret)
     begin
       etablissement_attributes = APIEntrepriseService.get_etablissement_params_for_siret(siret, dossier.procedure.id)
diff --git a/app/jobs/helpscout_create_conversation_job.rb b/app/jobs/helpscout_create_conversation_job.rb
index 61b55bcaa..f18781d53 100644
--- a/app/jobs/helpscout_create_conversation_job.rb
+++ b/app/jobs/helpscout_create_conversation_job.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class HelpscoutCreateConversationJob < ApplicationJob
+  queue_as :critical # user feedback is critical
   class FileNotScannedYetError < StandardError
   end
 
diff --git a/app/jobs/priorized_mail_delivery_job.rb b/app/jobs/priorized_mail_delivery_job.rb
index ac308b180..db35c9bd5 100644
--- a/app/jobs/priorized_mail_delivery_job.rb
+++ b/app/jobs/priorized_mail_delivery_job.rb
@@ -12,7 +12,7 @@ class PriorizedMailDeliveryJob < ActionMailer::MailDeliveryJob
     end
   end
 
-  def custom_queue
+  def custom_queue # should be low
     ENV.fetch('BULK_EMAIL_QUEUE') { Rails.application.config.action_mailer.deliver_later_queue_name.to_s }
   end
 end
diff --git a/app/jobs/process_stalled_declarative_dossier_job.rb b/app/jobs/process_stalled_declarative_dossier_job.rb
index 6449c73af..aaa49fb70 100644
--- a/app/jobs/process_stalled_declarative_dossier_job.rb
+++ b/app/jobs/process_stalled_declarative_dossier_job.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class ProcessStalledDeclarativeDossierJob < ApplicationJob
+  queue_as :low
   def perform(dossier)
     return if dossier.declarative_triggered_at.present?
 
diff --git a/app/jobs/reset_expiring_dossiers_job.rb b/app/jobs/reset_expiring_dossiers_job.rb
index 5cf818ee1..95a87f571 100644
--- a/app/jobs/reset_expiring_dossiers_job.rb
+++ b/app/jobs/reset_expiring_dossiers_job.rb
@@ -1,6 +1,7 @@
 # frozen_string_literal: true
 
 class ResetExpiringDossiersJob < ApplicationJob
+  queue_as :low
   def perform(procedure)
     procedure
       .dossiers
diff --git a/app/jobs/send_closing_notification_job.rb b/app/jobs/send_closing_notification_job.rb
index f5d9f7167..f4850b870 100644
--- a/app/jobs/send_closing_notification_job.rb
+++ b/app/jobs/send_closing_notification_job.rb
@@ -1,6 +1,8 @@
 # frozen_string_literal: true
 
 class SendClosingNotificationJob < ApplicationJob
+  queue_as :low # no rush on this one
+
   def perform(user_ids, content, procedure)
     User.where(id: user_ids).find_each do |user|
       Expired::MailRateLimiter.new().send_with_delay(UserMailer.notify_after_closing(user, content, @procedure))