diff --git a/app/services/tasks/group_permission_remediation_service.rb b/app/services/tasks/group_permission_remediation_service.rb
new file mode 100644
index 000000000..f40644404
--- /dev/null
+++ b/app/services/tasks/group_permission_remediation_service.rb
@@ -0,0 +1,38 @@
+# frozen_string_literal: true
+module Tasks
+  require 'tasks/migration_helper'
+  # Adjusts the permissions of a list of works and their filesets to grant permissions
+  # assigned to their admin set.
+  class GroupPermissionRemediationService
+    def self.run(id_list_file, admin_set_id)
+      GroupPermissionRemediationService.new(id_list_file, admin_set_id).run
+    end
+
+    def initialize(id_list_file, admin_set_id)
+      @id_list_file = id_list_file
+      @admin_set_id = admin_set_id
+    end
+
+    def run
+      work_id_list.each do |work_id|
+        start_time = Time.now
+        work_id = work_id.chomp
+        work = ActiveFedora::Base.find(work_id)
+        Rails.logger.info("Remediating groups for #{work_id}")
+        work.update permissions_attributes: group_permissions
+        work.file_sets.each do |file_set|
+          file_set.update permissions_attributes: group_permissions
+        end
+        Rails.logger.info("Completed remediation of #{work_id} in #{Time.now - start_time}")
+      end
+    end
+
+    def work_id_list
+      @work_id_list ||= File.readlines(@id_list_file)
+    end
+
+    def group_permissions
+      @group_permissions ||= MigrationHelper.get_permissions_attributes(@admin_set_id)
+    end
+  end
+end
diff --git a/lib/tasks/remediate_group_permissions.rake b/lib/tasks/remediate_group_permissions.rake
new file mode 100644
index 000000000..ab7015af9
--- /dev/null
+++ b/lib/tasks/remediate_group_permissions.rake
@@ -0,0 +1,6 @@
+# frozen_string_literal: true
+desc 'Remediate missing group permission assignments based on permissions of an admin set'
+task :remediate_group_permissions, [:id_list_file, :admin_set_id] => [:environment] do |_t, args|
+  Rails.logger.warn('Prepapring to run GroupPermissionRemediationService')
+  Tasks::GroupPermissionRemediationService.run(args[:id_list_file], args[:admin_set_id])
+end
diff --git a/spec/services/tasks/group_permission_remediation_service_spec.rb b/spec/services/tasks/group_permission_remediation_service_spec.rb
new file mode 100644
index 000000000..d400bd70d
--- /dev/null
+++ b/spec/services/tasks/group_permission_remediation_service_spec.rb
@@ -0,0 +1,96 @@
+# frozen_string_literal: true
+require 'rails_helper'
+include Warden::Test::Helpers
+
+describe Tasks::GroupPermissionRemediationService, :clean do
+  before do
+    ActiveFedora::Cleaner.clean!
+  end
+
+  let(:admin) { FactoryBot.create(:admin) }
+
+  let(:admin_set) do
+    AdminSet.create(title: ['proquest admin set'],
+                    description: ['some description'])
+  end
+
+  let(:permission_template) do
+    Hyrax::PermissionTemplate.create!(source_id: admin_set.id)
+  end
+
+  let(:workflow) do
+    Sipity::Workflow.create(name: 'test', allows_access_grant: true, active: true,
+                            permission_template_id: permission_template.id)
+  end
+
+  describe '#run' do
+    context 'with groups assigned to admin set' do
+      let(:id_list_file) { Tempfile.new }
+
+      let(:manager) do
+        FactoryBot.create(:user, email: 'manager@example.com', guest: false, uid: 'manager')
+      end
+      let(:viewer) do
+        FactoryBot.create(:user, email: 'viewer@example.com', guest: false, uid: 'viewer')
+      end
+      let(:manager_agent) { Sipity::Agent.where(proxy_for_id: 'oa_manager', proxy_for_type: 'Hyrax::Group').first_or_create }
+      let(:viewer_agent) { Sipity::Agent.where(proxy_for_id: 'oa_viewer', proxy_for_type: 'Hyrax::Group').first_or_create }
+
+      let(:article) { FactoryBot.create(:article) }
+      let(:file_set1) { FactoryBot.create(:file_set) }
+      let(:file_set2) { FactoryBot.create(:file_set, visibility: Hydra::AccessControls::AccessRight::VISIBILITY_TEXT_VALUE_PRIVATE) }
+
+      before do
+        Article.delete_all
+
+        Hyrax::PermissionTemplateAccess.create(permission_template: permission_template,
+                                               agent_type: 'group',
+                                               agent_id: 'oa_manager',
+                                               access: 'manage')
+        Hyrax::PermissionTemplateAccess.create(permission_template: permission_template,
+                                               agent_type: 'group',
+                                               agent_id: 'oa_viewer',
+                                               access: 'view')
+        Hyrax::Workflow::PermissionGenerator.call(roles: 'managing', workflow: workflow, agents: manager_agent)
+        Hyrax::Workflow::PermissionGenerator.call(roles: 'viewing', workflow: workflow, agents: viewer_agent)
+        manager_role = Role.where(name: 'oa_manager').first_or_create
+        manager_role.users << manager
+        manager_role.save
+        viewer_role = Role.where(name: 'oa_viewer').first_or_create
+        viewer_role.users << viewer
+        viewer_role.save
+
+        File.write(id_list_file, article.id)
+
+        article.ordered_members << file_set1
+        article.ordered_members << file_set2
+      end
+
+      after do
+        id_list_file.unlink
+      end
+
+
+      it 'adds group roles from admin set to work and file set' do
+        Tasks::GroupPermissionRemediationService.run(id_list_file.path, admin_set.id)
+
+        article = Article.first
+        expect_to_have_permissions(article)
+
+        article_file_sets = article.file_sets
+        expect(article_file_sets.length).to eq 2
+        expect_to_have_permissions(article_file_sets[0])
+        expect_to_have_permissions(article_file_sets[1])
+        expect(article_file_sets[1].visibility).to eq Hydra::AccessControls::AccessRight::VISIBILITY_TEXT_VALUE_PRIVATE
+      end
+
+      def expect_to_have_permissions(item)
+        manager_perm = item.permissions.to_a.find { |perm| perm.agent.first.id == 'http://projecthydra.org/ns/auth/group#oa_manager' }
+        expect(manager_perm.mode.first.id).to eq 'http://www.w3.org/ns/auth/acl#Write'
+
+        pub_perm = item.permissions.to_a.find { |perm| perm.agent.first.id == 'http://projecthydra.org/ns/auth/group#oa_viewer' }
+        expect(pub_perm.mode.first.id).to eq 'http://www.w3.org/ns/auth/acl#Read'
+      end
+    end
+  end
+end