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Piper Companies Logo Piper Companies · IT - Administration

Network Engineer Tier III

United States, Washington, D.C. Employment contract 160000.00 - 170000.00 USD / Year · Job Posted July 03, 2026
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Job Description

Zachary Piper Solutions is seeking a Tier III Network Engineer to join our team on-site in Washington, D.C. This position is in support of a contract with the Department of Energy and the National Nuclear Security Agency OCIO. The Network Engineer Tier 3 will have an in-depth knowledge of Cisco, Palo Alto, F5 and the maintenance of computer systems and computer environments.

Job Responsibility

  • Install, configure, and maintain LAN/WAN infrastructure, including routers, switches, VPNs, firewalls, and load balancers
  • Monitor network performance and troubleshoot issues, applying security patches and optimizing systems for reliability and efficiency
  • Support network design and project execution, providing technical input and collaborating with cross-functional teams
  • Manage network assets and data center infrastructure, including virtualization, storage, and lifecycle tracking
  • Implement and enforce security protocols, backup solutions, and disaster recovery plans to ensure system resilience
  • Provide client support and documentation, lead or assist in network projects, and stay current with emerging technologies

Requirements

  • Install, configure, and maintain LAN/WAN infrastructure, including routers, switches, VPNs, firewalls, and load balancers
  • Monitor network performance and troubleshoot issues, applying security patches and optimizing systems for reliability and efficiency
  • Support network design and project execution, providing technical input and collaborating with cross-functional teams
  • Manage network assets and data center infrastructure, including virtualization, storage, and lifecycle tracking
  • Implement and enforce security protocols, backup solutions, and disaster recovery plans to ensure system resilience
  • Provide client support and documentation, lead or assist in network projects, and stay current with emerging technologies
  • Cisco Router and switch configuration (IOS/NX-OS), Palo Alto NextGen Firewall and VPN configuration experience, Experience with General Dynamics Taclanes and/or GEMOne
  • F5 Load Balancer Knowledge, GTM/Big DNS Knowledge
  • Technically proficient and experienced with Windows and Unix/Linux operating systems, network security, network traffic analysis, incident response, vulnerability analysis, packet analysis, and systems hardening
  • Possesses proficient knowledge of layer 2 switching and layer 3 routing protocols, encryption protocols, communication protocols. Examples include but not limited to: TLS/SSL, IPsec, SSH, BGP, VLAN, LLDP, LACP, ARP, 802.1x, DNS, AES, NTP, etc.
  • Network Design and Implementation, Network Troubleshooting, Network Performance Tuning
  • Ability to identify, track and complete tasks for multiple projects under prescribed timeframes
  • Top Secret Security Clearance

What we offer

Comprehensive Benefits

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