Tier 3 Network Engineer (Top Secret)

Zachary Piper, LLC

Washington (District of Columbia)

On-site

USD 158,000 - 193,000

Full time

8 days ago

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Benefits offered by this job

Medical, Dental, Vision
401(k)
Paid Holidays

Job summary

Zachary Piper Solutions seeks a Network Engineer Tier 3 to support a DOE/NNSA program in Washington, DC onsite. You will deliver advanced network engineering, administration, and troubleshooting for secure enterprise environments, ensuring performance, reliability, and security of critical infrastructure.

Role requires DoE Q or Top Secret clearance, 7+ years of experience, and hands-on expertise with Cisco, Palo Alto, F5, and related technologies.

Qualifications

  • Active DOE Q Clearance or Active Top Secret Clearance required.
  • 7+ years of network engineering experience supporting enterprise or government environments.
  • Hands-on experience with Cisco routing and switching (IOS/NX-OS), Palo Alto Next-Generation Firewalls, VPN technologies, and F5 Load Balancers (GTM/Big-IP DNS).
  • Experience with General Dynamics TACLANE devices and/or GEMOne network management solutions.
  • Strong knowledge of Layer 2/Layer 3 networking, BGP, VLANs, DNS, IPsec, TLS/SSL, SSH, 802.1x, LACP, LLDP, NTP, and encryption technologies.
  • Experience supporting Windows and Linux/Unix operating systems, network security, packet analysis, vulnerability management, systems hardening, and incident response.
  • Proven experience with network design, implementation, troubleshooting, and performance optimization.
  • Must be eligible to work in the United States and obtain and maintain required government security clearances.

Responsibilities

  • Install, configure, maintain, and optimize LAN/WAN infrastructure including Cisco routers, switches, Palo Alto firewalls, VPNs, F5 load balancers, and security appliances.
  • Monitor, troubleshoot, and resolve complex network performance, routing, switching, voice, video, and data service issues.
  • Support data center network infrastructure, virtualization environments, infrastructure upgrades, and expansion projects.
  • Implement network security controls, apply security patches, and support disaster recovery and continuity initiatives.
  • Provide technical recommendations, maintain network asset inventories, generate reports, and collaborate with cross-functional engineering teams.

Skills

7+ years experience
Cisco IOS/NX-OS
Palo Alto NGFW
F5 Load Balancers
GTM/Big-IP DNS
TACLANE/GEMOne
Network security & incident response

Tools

Cisco routers/switches IOS/NX-OS
Palo Alto Firewall
F5 BIG-IP
GTM/Big-IP DNS
TACLANE
GEMOne

Job description

Zachary Piper Solutions is seeking a Network Engineer Tier 3 to support a federal program with the Department of Energy (DOE) and National Nuclear Security Administration (NNSA) in Washington, DC (Onsite). The Network Engineer Tier 3 will provide advanced network engineering, administration, and troubleshooting support for secure enterprise environments, ensuring the performance, reliability, and security of critical infrastructure.

Network Engineer Tier 3 - Location: Washington, DC (Onsite)
Responsibilities of the Network Engineer Tier 3 include:
  • Install, configure, maintain, and optimize LAN/WAN infrastructure including Cisco routers, switches, Palo Alto firewalls, VPNs, F5 load balancers, and security appliances
  • Monitor, troubleshoot, and resolve complex network performance, routing, switching, voice, video, and data service issues
  • Support data center network infrastructure, virtualization environments, infrastructure upgrades, and expansion projects
  • Implement network security controls, apply security patches, and support disaster recovery and continuity initiatives
  • Provide technical recommendations, maintain network asset inventories, generate reports, and collaborate with cross-functional engineering teams
Qualifications for the Network Engineer Tier 3 include:
  • Active DOE Q Clearance or Active Top Secret Clearance required
  • 7+ years of network engineering experience supporting enterprise or government environments
  • Hands-on experience with Cisco routing and switching (IOS/NX-OS), Palo Alto Next-Generation Firewalls, VPN technologies, and F5 Load Balancers (GTM/Big-IP DNS)
  • Experience with General Dynamics TACLANE devices and/or GEMOne network management solutions
  • Strong knowledge of Layer 2/Layer 3 networking, BGP, VLANs, DNS, IPsec, TLS/SSL, SSH, 802.1x, LACP, LLDP, NTP, and encryption technologies
  • Experience supporting Windows and Linux/Unix operating systems, network security, packet analysis, vulnerability management, systems hardening, and incident response
  • Proven experience with network design, implementation, troubleshooting, and performance optimization
  • Must be eligible to work in the United States and obtain and maintain required government security clearances
Compensation for the Network Engineer Tier 3 includes:
  • $175,000
  • Comprehensive Benefits: Medical, Dental, Vision, 401(k), PTO, Sick Leave if required by law, and Paid Holidays
Keywords:

Network Engineer, Network Specialist, Cisco IOS, Cisco NX-OS, Palo Alto Firewall, VPN, F5 Load Balancer, GTM, Big-IP DNS, TACLANE, GEMOne, LAN, WAN, Routing, Switching, BGP, VLAN, DNS, IPsec, TLS, SSH, Network Security, Incident Response, Windows, Linux, Data Center, NNSA, DOE, Top Secret Clearance, DOE Q Clearance, Washington DC, Government Contracting.

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