The Senior Network Engineer position in Irving, TX is a 12-month hybrid contract requiring over 5 years of experience in network engineering, including configuring Cisco Nexus/Arista platforms, routing and switching methods like VXLAN, and IP routing protocols (BGP, OSPF, RIP) in large enterprise environments. Desired qualifications include certifications such as CCNA, CCNP/DP, or CCIE (Data Center), strong knowledge of QoS, Layer 2 protocols, MLAG, EVPN, multicast, HSRP, NAT/SNAT, DNS, and scripting tools like Python, Ansible, and GITHUB.