Network Engineer Tier 3 (Top Secret)

ZP Group • Washington, DC

69d • $160,000 - $175,000

About The Position

Zachary Piper Solutions is seeking a Network Engineer Tier 3 (Top Secret) to join a NNSA Program located in Washington, DC through 100% full onsite presence. The Network Engineer Tier 3 (Top Secret) will provide expert-level support for LAN/WAN infrastructure, network security, & system integration. The role involved configuring & optimizing complex networks, using technologies like Cisco, Palo Alto, & F5, while ensuring secure, high-performance operations across critical federal environments.

Requirements

• Advanced Networking Expertise: strong hands-on experience with Cisco routers/switches (IOS/NX-OS), Palo Alto NextGen firewalls, VPNs, and F5 Load Balancers (GTM/Big DNS)
• Protocol Proficiency: deep understanding of Layer 2/3 protocols & encryption standards such as BGP, VLAN, IPsec, TLS/SSL, SSH, DNS, NTP, LACP, ARP, and 802.1x
• Operating System Knowledge: technical proficiency with Windows, Linux, and Unix systems
• System hardening & integration with network services
• Security and Compliance Skills: experience with network security, traffic analysis, incident response, and vulnerability management
• Project and Documentation Skills: ability to lead network projects, track tasks across multiple initiatives, and produce detailed technical documentation and reports
• Active DOE Q clearance or Top Secret clearance

Nice To Haves

• Certifications: CCNA, CCNP, Network+ (preferred)

Responsibilities

• Design, Configure, & Maintain Network Infrastructure: implement and optimize LAN/WAN systems including routers, switches, firewalls, VPNs, and load balancers (Cisco, Palo Alto, F5)
• Monitor and Troubleshoot Network Performance: use network management tools to analyze traffic, resolve outages, and ensure high availability across voice, video, and data services
• Apply Security Protocols and Patches: ensure timely updates and hardening of network devices to prevent unauthorized access and mitigate vulnerabilities
• Support Data Center and Virtualization Systems: collaborate on infrastructure expansion, manage storage systems, and assist with virtualization technologies
• Collaborate Across Teams: work with cross-functional IT and engineering teams to resolve complex technical issues and support enterprise-wide initiatives
• Maintain Asset Inventory and Documentation: track hardware/software components and produce detailed reports on network status, incidents, and upgrades
• Lead or Assist in Network Projects: provide technical input during planning, execute upgrades, and ensure timely completion of network-related initiatives

Benefits

• Medical
• Dental
• Vision
• 401k Plan
• Holidays
• PTO
• Education Incentives
• sick leave as required by law

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Industry: Professional, Scientific, and Technical Services
• Education Level: Bachelor's degree
• Number of Employees: 251-500 employees