diff --git a/ansible/group_vars/switches/mellanox b/ansible/group_vars/switches/mellanox
new file mode 100644
index 000000000..7cb697916
--- /dev/null
+++ b/ansible/group_vars/switches/mellanox
@@ -0,0 +1,12 @@
+---
+# Switch configuration.
+
+###############################################################################
+# Authentication configuration.
+
+# For Mellanox switches, this defines a 'provider' argument to the
+# mellanox-switch role.
+switch_mellanox_provider:
+  host: "{{ ansible_host }}"
+  username: "{{ ansible_user }}"
+  auth_pass: "{{ switch_auth_pass }}"
diff --git a/ansible/physical-network.yml b/ansible/physical-network.yml
index f75061016..e5ca01505 100644
--- a/ansible/physical-network.yml
+++ b/ansible/physical-network.yml
@@ -119,3 +119,15 @@
       junos_switch_config_format: "{{ switch_junos_config_format }}"
       junos_switch_config: "{{ switch_config }}"
       junos_switch_interface_config: "{{ switch_interface_config }}"
+
+- name: Ensure Mellanox physical switches are configured
+  hosts: switches_of_type_mellanox:&switches_in_display_mode_False
+  gather_facts: no
+  roles:
+    - role: ssh-known-host
+
+    - role: stackhpc.mellanox-switch
+      mellanox_switch_type: "{{ switch_type }}"
+      mellanox_switch_provider: "{{ switch_mellanox_provider }}"
+      mellanox_switch_config: "{{ switch_config }}"
+      mellanox_switch_interface_config: "{{ switch_interface_config }}"
diff --git a/releasenotes/notes/mellanox-switch-cb82a8c278f5e652.yaml b/releasenotes/notes/mellanox-switch-cb82a8c278f5e652.yaml
new file mode 100644
index 000000000..10745ed4a
--- /dev/null
+++ b/releasenotes/notes/mellanox-switch-cb82a8c278f5e652.yaml
@@ -0,0 +1,5 @@
+---
+features:
+  - |
+    Adds support for configuration of Mellanox switches running MLNX-OS. This
+    is integrated with the `kayobe physical network configure` command.
diff --git a/requirements.yml b/requirements.yml
index 425393df9..c7e63ac0a 100644
--- a/requirements.yml
+++ b/requirements.yml
@@ -14,6 +14,7 @@
 - src: stackhpc.grafana-conf
 - src: stackhpc.libvirt-host
 - src: stackhpc.libvirt-vm
+- src: stackhpc.mellanox-switch
 - src: stackhpc.os-flavors
 - src: stackhpc.os-images
 - src: stackhpc.os-ironic-state