✦ Luna Orbit — Networking & Telecom

Sr Principal Network Engineer

at Northrop Grumman

📍 United States-Colorado-Aurora Unknown 💰 $124K – $187K USD / year Posted March 13, 2026
Salary $124K – $187K USD / year
Type Full-Time
Experience senior
Exp. Years 8+ years
Education Bachelor's degree in STEM with 8+ years of relevant experience, OR Master's degree with 6+ years, or PhD with 4+ years; 12+ years of experience may be considered in lieu of a degree requirement
Category Networking & Telecom

This role involves designing, troubleshooting, and maintaining secure network communication systems for defense applications, requiring high-level security clearance and technical expertise.

  • Designing network communication systems
  • Troubleshooting LAN/WAN faults
  • Providing hardware/software specifications
  • Evaluating new communication technologies
  • Maintaining technical expertise

The position focuses on network architecture, hardware and software interconnections, and communication technology evaluation within a secure LAN/WAN environment, supporting defense and space systems.

The ideal candidate is a senior network engineer with extensive experience in designing and troubleshooting LAN/WAN environments, holding active TS/SCI clearance and Security+ certification. They should have a strong background in network hardware, security protocols, and communication technologies, capable of working independently or within a team on complex defense projects.

Network DesignLAN/WANRoutersSwitchesFirewallsSecurity+ certificationPolygraphTS/SCI clearance
Load balancersNetwork troubleshootingNetwork architectureWide Area Network expertise
RoutersSwitchesFirewallsLoad balancers
Network DesignLAN/WANRoutersSwitchesFirewallsLoad balancersSecurity+PolygraphTS/SCINetwork TroubleshootingNetwork ArchitectureWide Area NetworkCommunication Technologies
Network DesignLAN/WANRoutersSwitchesFirewallsLoad BalancersSecurity+PolygraphTS/SCINetwork TroubleshootingNetwork ArchitectureWide Area NetworkCommunication Technologies
Attention to detailCollaborationProblem-solvingTechnical expertiseTeamwork

Required

Security+
Industry Defense
Job Function Design and troubleshoot secure network communication systems for defense projects
Clearance Required TS/SCI with full-scope polygraph
Network EngineerLAN/WANRoutersSwitchesFirewallsLoad balancersSecurity+PolygraphTS/SCINetwork TroubleshootingNetwork ArchitectureWide Area NetworkCommunication TechnologiesNetwork DesignSecurity+ certification

Lack of active TS/SCI clearance, No Security+ certification, Less than 8 years of relevant experience, Inability to work in Aurora, CO

Apply for this Position →

Get matched to jobs like this

Luna finds roles that fit your skills and career goals — no endless scrolling required.

Create a Free Profile