diff --git a/ansible/group_vars/nimbus.mainnet.yml b/ansible/group_vars/nimbus.mainnet.yml
index d4b3c86..9019c48 100644
--- a/ansible/group_vars/nimbus.mainnet.yml
+++ b/ansible/group_vars/nimbus.mainnet.yml
@@ -2,8 +2,8 @@
 beacon_node_network: 'mainnet'
 beacon_node_repo_branch: 'stable'
 
-# WARNING: Since these are Eth 2 bootnodes we need to keep the keys and IPs unchanged.
-beacon_node_netkey: '{{lookup("bitwarden", "nimbus/netkey", field=hostname)}}'
+# Mainnet validators run on a separate fleet.
+beacon_node_dist_validators_enabled: false
 
 # Bootnodes should subscribe to all subnets
 beacon_node_subscribe_all: true
diff --git a/ansible/mainnet.yml b/ansible/mainnet.yml
index ba181dd..27c3df8 100644
--- a/ansible/mainnet.yml
+++ b/ansible/mainnet.yml
@@ -12,6 +12,40 @@
 - name: Configure network mainnet bootnodes
   become: true
   hosts: 'nimbus-mainnet-small'
+  vars:
+    # WARNING: Since these are Eth 2 bootnodes we need to keep the keys and IPs unchanged.
+    beacon_node_netkey: '{{lookup("bitwarden", "nimbus/netkey", field=hostname)}}'
   roles:
     - { role: get-geth-web3-urls,           tags: [ get-geth-web3-urls ] }
     - { role: infra-role-beacon-node-linux, tags: [ beacon-node ] }
+
+- name: Deploy mainnet linux beacon nodes
+  become: true
+  hosts: nimbus-mainnet-metal
+  roles:
+    - { role: get-geth-web3-urls,           tags: [ get-geth-web3-urls ] }
+  tasks:
+    - include_role: name=infra-role-beacon-node-linux
+      tags: beacon-node
+      vars:
+        # TEMPORARY switch for Mainnet Altair transition
+        beacon_node_service_name: 'beacon-node-{{ beacon_node_network }}-{{ node.branch }}-{{ "%02d"|format(node.idx) }}'
+        beacon_node_repo_branch: 'unstable'
+        beacon_node_threads: '{{ (node.branch == "testing") | ternary(4, 1) }}'
+        beacon_node_build_frequency: '{{ node.build_frequency }}'
+        beacon_node_discovery_port: '{{ 9000 + port_offset }}'
+        beacon_node_listening_port: '{{ 9000 + port_offset }}'
+        beacon_node_metrics_port:   '{{ 9200 + port_offset }}'
+        beacon_node_rest_port:      '{{ 9300 + port_offset }}'
+        beacon_node_rpc_port:       '{{ 9900 + port_offset }}'
+        beacon_node_rpc_enabled:    true
+      with_items:
+        - { branch: 'stable',   idx: 1, build_frequency: '*-*-* 12:00:00' }
+        - { branch: 'stable',   idx: 2, build_frequency: '*-*-* 13:00:00' }
+        - { branch: 'testing',  idx: 1, build_frequency: '*-*-* 14:00:00' }
+        - { branch: 'testing',  idx: 2, build_frequency: '*-*-* 15:00:00' }
+        - { branch: 'unstable', idx: 1, build_frequency: '*-*-* 16:00:00' }
+        - { branch: 'unstable', idx: 2, build_frequency: '*-*-* 17:00:00' }
+      loop_control:
+        loop_var: node
+        index_var: port_offset
diff --git a/ansible/requirements.yml b/ansible/requirements.yml
index c5144b5..f477fbc 100644
--- a/ansible/requirements.yml
+++ b/ansible/requirements.yml
@@ -16,7 +16,7 @@
 
 - name: infra-role-bootstrap-linux
   src: git@github.com:status-im/infra-role-bootstrap-linux.git
-  version: 8a47c73754ea018bbad19992164d860f9c5c175f
+  version: 1c3598d71f948763d327e6bb81a5f9a3cdf5c063
   scm: git
 
 - name: infra-role-bootstrap-windows