Role: Network Engineer Location: Phoenix, Az - Onsite Duration: Long term Type: Contract - W2 Face 2 Face Interview Mandatory Cisco certification is required. Responsibilities: Administer and maintain Cisco routers, switches, and firewalls across enterprise or mission networks. Design, configure, and support LAN/WAN infrastructure, ensuring availability and performance. Implement and monitor network security baselines, access control lists (ACLs), and device hardening per organizational polici