Role : Network Engineer or administration Location : Phoenix , AZ - Hybrid Long Term Contract Responsibilities: Administer and maintain Cisco routers, switches, and firewalls across enterprise or missionnetworks.Design, configure, and support LAN/WAN infrastructure, ensuring availability and performance.Implement and monitornetworksecurity baselines, access control lists (ACLs), and device hardening per organizational policies.Manage and optimize routing and switching protocols (e.g., OSPF, BGP,