✦ Luna Orbit — Cybersecurity

Sr. Systems Engineer / Cloud Administrator

at Northrop Grumman

📍 United States-Unknown Hybrid 💰 $156K – $234K USD / year Posted March 13, 2026
Salary $156K – $234K USD / year
Type Full-Time
Experience mid
Exp. Years 10+ years
Education Bachelor's Degree in a STEM discipline
Category Cybersecurity

This role involves monitoring, maintaining, and upgrading mission-critical network infrastructure, providing Tier-2 and Tier-3 support, and documenting network configurations in a defense environment.

  • Monitor and support network infrastructure
  • Perform network upgrades
  • Produce network documentation and diagrams
  • Collaborate with teams on network security
  • Troubleshoot complex network issues

Focus on network support, Cisco IOS, routing protocols, network security, and documentation within a defense and cybersecurity context.

The ideal candidate is an experienced network engineer with over 10 years of supporting and upgrading mission-critical network infrastructure, proficient in Cisco IOS and routing protocols, with a background in cybersecurity support.

network supportCisco IOSnetwork troubleshootingnetwork documentationnetwork upgrades
cybersecuritynetwork architecturenetwork design
Cisco IOSnetwork hardwarenetwork software
network supportCisco IOSnetwork troubleshootingnetwork documentationnetwork upgradesIP subnettingdynamic routing protocolsEIGRPOSPF
network monitoringTier-2 supportTier-3 supportnetwork upgradesnetwork documentationnetwork diagramsnetwork securityCybersecuritynetwork infrastructureCisco IOSIP subnettingdynamic routing protocolsEIGRPOSPF
collaborationcommunicationproblem-solvingadaptabilityteamwork
Industry Defense
Job Function Network engineering and support for mission-critical defense systems
Clearance Required Polygraph
network supportTier-2 supportTier-3 supportnetwork upgradesnetwork documentationCisco IOSIP subnettingdynamic routing protocolsEIGRPOSPFCybersecuritynetwork infrastructurenetwork troubleshootingnetwork architecturenetwork designPolygraph

Lack of experience with Cisco IOS, Less than 10 years of relevant experience, No security clearance or polygraph

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