Network Administrator

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

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).