Network Administrator

Description Onsite in Frisco, TX. Our client seeks a Network Administrator to support enterprise wired and wireless networks across corporate and data center environments. The role will administer LAN/WAN, perform firewall changes, and troubleshoot connectivity in production. The contractor will collaborate with systems, cloud, and security peers to maintain secure and scalable infrastructure in a growth setting. The engagement is a 12-month onsite contract in Frisco, TX, with potential conversion based on performance and need. Due to client requirements, applicants must be willing and able to work on a w2 basis. For our w2 consultants, we offer a great benefits package that includes Medical, Dental, and Vision benefits, 401k with company matching, and life insurance. Rate: $45.00 to $35.00/hr. w2

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Responsibilities Administer and support enterprise LAN/WAN and data center network infrastructure. Configure and maintain Layer 2 environments including VLANs, trunking, STP, and port channels. Support core, distribution, and access layer network architecture. Perform firewall policy updates, NAT changes, VPN configuration, and high-availability support. Troubleshoot wired and wireless connectivity issues, including VLAN-to-SSID mappings and RF-related performance concerns. Execute production changes following change management practices. Monitor network performance and proactively resolve issues. Participate in incident response, root cause analysis, and documentation. Collaborate with Systems, Cloud, and Security teams to maintain secure and scalable infrastructure. Experience Requirements 3+ years of hands-on enterprise network administration experience. Strong Layer 2 networking expertise including VLANs, trunking, STP, and port channels. Experience supporting data center networking environments using core/distribution/access models. Hands-on enterprise firewall administration experience including policy management, NAT, VPNs, and HA concepts. Experience troubleshooting enterprise wired and wireless networks. Solid understanding of TCP/IP, DNS, DHCP, and routing fundamentals. Experience performing production network changes in live environments. Ability to work onsite in Frisco, TX. Experience with Juniper switching infrastructure (preferred). Experience with Palo Alto and/or Fortinet firewalls (preferred). Exposure to routing protocols such as OSPF or BGP (preferred). Experience with enterprise wireless platforms such as Aruba, Cisco, or Mist (preferred). Relevant certifications such as CCNA, JNCIA, PCNSE, or NSE (preferred). Experience in secure, compliance-driven, or defense environments (preferred). Education Requirements Relevant industry certifications such as CCNA, JNCIA, PCNSE, or NSE (preferred). #J-18808-Ljbffr Eliassen Group