diff --git a/main.tf b/main.tf
index f542e1c..d656b30 100644
--- a/main.tf
+++ b/main.tf
@@ -15,7 +15,7 @@ resource "google_project_iam_custom_role" "castai_role" {
   role_id     = local.custom_role_id
   title       = "Role to manage GKE cluster via CAST AI"
   description = "Role to manage GKE cluster via CAST AI"
-  permissions = toset(data.castai_gke_user_policies.gke.policy)
+  permissions = length(var.castai_role_permissions) > 0 ? var.castai_role_permissions : toset(data.castai_gke_user_policies.gke.policy)
   project     = var.project_id
   stage       = "GA"
 }
@@ -28,7 +28,7 @@ resource "google_project_iam_custom_role" "compute_manager_role" {
   role_id     = "castai.gkeAccess.${substr(sha1(each.key), 0, 8)}.tf"
   title       = "Role to manage GKE compute resources via CAST AI"
   description = "Role to manage GKE compute resources via CAST AI"
-  permissions = toset(data.castai_gke_user_policies.gke.policy)
+  permissions = length(var.compute_manager_permissions) > 0 ? var.compute_manager_permissions : toset(data.castai_gke_user_policies.gke.policy)
   stage       = "GA"
 }
 
@@ -39,4 +39,3 @@ resource "google_project_iam_binding" "compute_manager_binding" {
   role    = "projects/${each.key}/roles/castai.gkeAccess.${substr(sha1(each.key), 0, 8)}.tf"
   members = compact(["serviceAccount:${local.service_account_email}", var.setup_cloud_proxy_workload_identity ? local.workload_identity_sa : null])
 }
-
diff --git a/output.tf b/output.tf
index c10c948..0c80378 100644
--- a/output.tf
+++ b/output.tf
@@ -19,3 +19,92 @@ output "service_account_email" {
   value = var.create_service_account ? google_service_account.castai_service_account[0].email : ""
 }
 
+output "default_compute_manager_permissions" {
+  value = [
+    "container.clusters.get",
+    "container.clusters.update",
+    "container.certificateSigningRequests.approve",
+    "compute.instances.get",
+    "compute.instances.list",
+    "compute.instances.create",
+    "compute.instances.start",
+    "compute.instances.stop",
+    "compute.instances.delete",
+    "compute.instances.setLabels",
+    "compute.instances.setServiceAccount",
+    "compute.instances.setMetadata",
+    "compute.instances.setTags",
+    "compute.instanceGroupManagers.get",
+    "compute.instanceGroupManagers.update",
+    "compute.instanceGroups.get",
+    "compute.networks.use",
+    "compute.networks.useExternalIp",
+    "compute.subnetworks.get",
+    "compute.subnetworks.use",
+    "compute.subnetworks.useExternalIp",
+    "compute.addresses.use",
+    "compute.disks.use",
+    "compute.disks.create",
+    "compute.disks.setLabels",
+    "compute.images.get",
+    "compute.images.useReadOnly",
+    "compute.instanceTemplates.get",
+    "compute.instanceTemplates.list",
+    "compute.instanceTemplates.create",
+    "compute.instanceTemplates.delete",
+    "compute.regionOperations.get",
+    "compute.zoneOperations.get",
+    "compute.zones.list",
+    "compute.zones.get",
+    "serviceusage.services.list",
+    "resourcemanager.projects.getIamPolicy",
+    "compute.targetPools.get",
+    "compute.targetPools.addInstance",
+    "compute.targetPools.removeInstance",
+    "compute.instances.use"]
+}
+
+output "default_castai_role_permissions" {
+  value = [
+    "container.clusters.get",
+    "container.clusters.update",
+    "container.certificateSigningRequests.approve",
+    "compute.instances.get",
+    "compute.instances.list",
+    "compute.instances.create",
+    "compute.instances.start",
+    "compute.instances.stop",
+    "compute.instances.delete",
+    "compute.instances.setLabels",
+    "compute.instances.setServiceAccount",
+    "compute.instances.setMetadata",
+    "compute.instances.setTags",
+    "compute.instanceGroupManagers.get",
+    "compute.instanceGroupManagers.update",
+    "compute.instanceGroups.get",
+    "compute.networks.use",
+    "compute.networks.useExternalIp",
+    "compute.subnetworks.get",
+    "compute.subnetworks.use",
+    "compute.subnetworks.useExternalIp",
+    "compute.addresses.use",
+    "compute.disks.use",
+    "compute.disks.create",
+    "compute.disks.setLabels",
+    "compute.images.get",
+    "compute.images.useReadOnly",
+    "compute.instanceTemplates.get",
+    "compute.instanceTemplates.list",
+    "compute.instanceTemplates.create",
+    "compute.instanceTemplates.delete",
+    "compute.regionOperations.get",
+    "compute.zoneOperations.get",
+    "compute.zones.list",
+    "compute.zones.get",
+    "serviceusage.services.list",
+    "resourcemanager.projects.getIamPolicy",
+    "compute.targetPools.get",
+    "compute.targetPools.addInstance",
+    "compute.targetPools.removeInstance",
+    "compute.instances.use"]
+}
diff --git a/variables.tf b/variables.tf
index 34aba7b..2ca9477 100644
--- a/variables.tf
+++ b/variables.tf
@@ -44,9 +44,20 @@ variable "cloud_proxy_service_account_namespace" {
   default     = "castai-agent"
 }
 
-
 variable "cloud_proxy_service_account_name" {
   type        = string
   description = "Name of the cloud-proxy Kubernetes Service Account"
   default     = "castai-cloud-proxy"
 }
+
+variable "castai_role_permissions" {
+  description = "A set of permissions that will be granted to CAST AI role used by central system"
+  type        = list(string)
+  default     = []
+}
+
+variable "compute_manager_permissions" {
+  description = "A set of permissions that will be granted to compute manager role"
+  type        = list(string)
+  default     = []
+}