Develop and maintain device-specific patching runbooks including pre-check scripts, upgrade procedures, rollback steps, and post-validation checks. Automate network patch workflows using Ansible, Netmiko, NAPALM, or vendor APIs (Cisco NSO/DNA Centre). Lead maintenance window planning: impact analysis, rollback testing, stakeholder communication, and CAB submission. Oversee … Palo Alto PAN-OS. Deep understanding of network protocols: OSPF, BGP, EIGRP, MPLS, VRF, STP, HSRP/VRRP. Experience with automated patching toolchains: Ansible, Netmiko, NAPALM, Python (Paramiko). Vendor firmware lifecycle knowledge including feature releases, maintenance releases, and ED/MD trains (Cisco SMU, Juniper package management). Firewall ...