Tier 3 Network Engineer (Top Secret)

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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