diff --git a/k8s-supplements/ansible/roles/netbox-backup/meta/main.yaml b/k8s-supplements/ansible/roles/netbox-backup/meta/main.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..2a47de6f17908deb876e312eeef323636afc8c03
--- /dev/null
+++ b/k8s-supplements/ansible/roles/netbox-backup/meta/main.yaml
@@ -0,0 +1,5 @@
+---
+galaxy_info:
+  license: Apache-2.0
+  authors: Tarook Authors
+...
diff --git a/k8s-supplements/ansible/roles/netbox-backup/tasks/main.yaml b/k8s-supplements/ansible/roles/netbox-backup/tasks/main.yaml
new file mode 100644
index 0000000000000000000000000000000000000000..17c8fd3a28bbbdebe0270475047bdf50dead24cf
--- /dev/null
+++ b/k8s-supplements/ansible/roles/netbox-backup/tasks/main.yaml
@@ -0,0 +1,27 @@
+---
+- name: Create namespace for Netbox backup
+  when: yk8s_k8s_service_layer_netbox_backup_enabled
+  kubernetes.core.k8s:
+    apply: true
+    definition:
+      apiVersion: v1
+      kind: Namespace
+      metadata:
+        name: "{{ netbox_backup_helm_release_namespace }}"
+    validate:
+      fail_on_error: true
+      strict: true
+  register: k8s_apply
+  until: k8s_apply is not failed
+  retries: "{{ error_retries }}"
+  delay: "{{ error_delay }}"
+
+- name: "{{ yk8s_k8s_service_layer_netbox_backup_enabled | ternary('I','Uni') }}nstall Netbox backup"
+  kubernetes.core.helm:
+    chart_repo_url: "{{ netbox_backup_helm_chart_repo_url }}"
+    chart_ref: "{{ netbox_backup_helm_chart_ref }}"
+    release_namespace: "{{ netbox_backup_helm_release_namespace }}"
+    release_name: "{{ netbox_backup_helm_release_name }}"
+    release_state: "{{ yk8s_k8s_service_layer_netbox_backup_enabled | ternary('present','absent') }}"
+    chart_version: "{{ netbox_backup_helm_chart_version }}"
+    values: "{{ netbox_backup_helm_values }}"
diff --git a/nix/yk8s/k8s-supplements/netbox-backup.nix b/nix/yk8s/k8s-supplements/netbox-backup.nix
new file mode 100644
index 0000000000000000000000000000000000000000..01519a6cd60a20c2290dc54808b89411fd854165
--- /dev/null
+++ b/nix/yk8s/k8s-supplements/netbox-backup.nix
@@ -0,0 +1,111 @@
+{
+  config,
+  lib,
+  yk8s-lib,
+  ...
+}: let
+  cfg = config.yk8s.k8s-service-layer.netbox-backup;
+  inherit (lib) mkEnableOption mkOption types;
+  inherit (yk8s-lib) mkTopSection;
+  inherit (yk8s-lib.options) mkHelmReleaseOptions;
+  inherit (yk8s-lib.types) s3BucketName s3BucketNamePrefix;
+  inherit (yk8s-lib.transform) warnIfZero;
+in {
+  options.yk8s.k8s-service-layer.netbox-backup = mkTopSection {
+    _docs.preface = ''
+      Automated Netbox database backups can be configured in this section.
+      When enabled, it periodically creates a dump of the Netbox Postgres database
+      and stores it in an S3-compatible object storage bucket. It uses the Helm chart
+      `netboxbackup <https://gitlab.com/yaook/operator/-/tree/devel/yaook/helm_builder/Charts/netboxbackup>`__
+      present in the Yaook operator Helm chart repository.
+    '';
+
+    enabled = mkEnableOption "Netbox backups";
+
+    helm = mkHelmReleaseOptions {
+      descriptionName = "netbox-backup";
+      defaultRepoUrl = "https://charts.yaook.cloud/operator/stable/";
+      defaultChartRef = "netboxbackup";
+      # renovate: datasource=helm depName=netboxbackup registryUrl=https://charts.yaook.cloud/operator/stable/
+      defaultChartVersion = "0.20251021.0";
+      defaultReleaseNamespace = "yaook-bmc";
+      defaultReleaseName = "netbox-backup";
+      valuesDocUrl = "https://gitlab.com/yaook/operator/-/blob/devel/yaook/helm_builder/Charts/netboxbackup/values-template.yaml.j2";
+
+      chartOptions = {
+        schedule = mkOption {
+          description = ''
+            Cron-style schedule for Netbox backups.
+          '';
+          type = types.nonEmptyStr;
+          default = "0 3 * * *";
+        };
+
+        metrics_port = mkOption {
+          description = "Metrics port for backup-shifter.";
+          type = types.port;
+          default = 9100;
+          apply = v: warnIfZero "config.yk8s.k8s-service-layer.netbox-backup.metrics_port should not be zero" v;
+        };
+
+        targets.s3 = {
+          bucket = mkOption {
+            description = "Name of the S3 bucket where Netbox backups are stored.";
+            type = s3BucketName;
+            default = "netbox-backup";
+          };
+
+          addressingStyle = mkOption {
+            description = ''
+              Addressing style used for the S3 bucket storing Netbox backups.
+              One of "path", "virtual", or "auto".
+            '';
+            type = types.enum [ "path" "virtual" "auto" ];
+            default = "path";
+          };
+
+          credentialRef.name = mkOption {
+            description = "Kubernetes Secret containing S3 credentials.";
+            type = types.str;
+            default = "netbox-backup-s3-credentials";
+          };
+
+          filePrefix = mkOption {
+            description = "Prefix for backup file names in S3.";
+            type = s3BucketNamePrefix;
+            default = "netboxbackup";
+          };
+        };
+      };
+    };
+  };
+
+  config.yk8s.k8s-service-layer.netbox-backup.helm.values = {
+    namespace = cfg.helm.release_namespace;
+    priorityClassName = "system-cluster-critical";
+    serviceMonitor = {
+      enabled = config.yk8s.kubernetes.monitoring.enabled;
+      additionalLabels = config.yk8s.k8s-service-layer.prometheus.common_labels;
+    };
+  };
+
+  config.yk8s._inventory_packages = [
+    (yk8s-lib.mkGroupVarsFile {
+      inherit cfg;
+      unflat = [
+        ["helm" "values"]
+      ];
+      ansible_prefix = "netbox_backup_";
+      inventory_path = "all/netbox-backup.yaml";
+      transformations = [
+        (
+          c:
+            yk8s-lib.removeAttrsByPath c [
+              ["helm" "values" "targets" "s3" "endpoint"]
+            ]
+        )
+      ];
+      only_if_enabled = true;
+    })
+  ];
+}