✦ Luna Orbit — Networking & Telecom

Network Engineer - Level 3/4

at Northrop Grumman

📍 United States-California-Redondo Beach Unknown 💰 $103K – $155K USD / year Posted April 16, 2026
Salary $103K – $155K USD / year
Type Not Specified
Experience mid
Exp. Years Network Engineer - Level 3: 5 years (with Bachelors) / 3 years (with Masters) / 1 year (with PhD) / additional 4 years may be considered in lieu of degree; Network Engineer - Level 4: 8 years (with Bachelors) / 6 years (with Masters) / 4 years (with PhD) / additional 4 years may be considered in lieu of degree
Education Bachelor's degree or Master's degree or PhD (based on Level 3/4 requirements); additional experience may be considered in lieu of degree
Category Networking & Telecom

Northrop Grumman is seeking a Network Engineer Level 3/4 to provide network technical expertise for a Space Program. The role focuses on designing, deploying, and maintaining networks while implementing DISA STIG requirements and cyber needs through automation.

  • Design, deployment and maintenance of networks
  • Implement DISA STIGs and cyber requirements via STIG automation
  • Architect and assist deployment of international networks
  • Integrate networks/time servers and network devices
  • Maintain information assurance posture and system documentation

You will work on Cisco-based network engineering including IP subnetting, L1 thru L3 networking, static and dynamic routing protocols, and complex WAN configurations across several sites (including international). Responsibilities include integrating networks with time servers and other devices, implementing STIG automation, supporting information assurance posture, and maintaining documentation, backup recovery, and performance tuning.

The ideal candidate is a Network Engineer with 5+ years (Level 3) or 8+ years (Level 4) experience building and maintaining enterprise networks using Cisco Systems networking. They have hands-on IP subnetting, L1 thru L3 networking, and static/dynamic routing protocol experience, plus DISA STIG implementation and STIG automation experience. They must also hold an active SCI/CI Poly (Polygraph) clearance at the time of application.

Active SCI/CI Poly required at the time of applicationExperience with IP subnettingExperience with L1 thru L3 networkingExperience with static and dynamic routing protocolsKnowledge of Cisco Systems networkingto include the deployment of complex WAN configurations across several sites (including international)DISA STIG as they apply
DISA STIG automation
Designdeployment and maintenance of networksDISA STIGsDISA STIG as they applySTIG automationIP subnettingL1 thru L3 networkingstatic and dynamic routing protocolsCisco Systems networkingcomplex WAN configurationsinternational networksintegration of networks / time servers and other network devicesbackup recoverysystem documentationtuning system performancebuilding of systems and computing asset managementinformation assurance posture
Network designdeployment and maintenance of networksDISA STIGSTIG automationIP subnettingL1 thru L3 networkingstatic routing protocolsdynamic routing protocolsCisco Systems networkingcomplex WAN configurationsWAN configurations across several sitesinternational network deploymentintegration of networks / time serversintegration of network devicesbackup recoverysystem documentationtuning system performancesystem and computing asset managementinformation assurance posture
interface with other groupsformulate innovative solutions to problems as they ariseproviding recommendations
Industry Aerospace
Job Function Design and operate secure, compliant Cisco-based networks for a space systems program under DISA STIG requirements.
Role Subtype Network Engineer
Tech Domains Cisco Networking, Cybersecurity, Networking / TCP-IP
Network EngineerNetwork Engineer - Level 3Network Engineer - Level 4IP subnettingL1 thru L3 networkingstatic routing protocolsdynamic routing protocolsCisco Systemscomplex WAN configurationsDISA STIGSTIG automationinternational networkstime serversnetwork devicesbackup recoverysystem documentationtuning system performancecomputing asset managementinformation assurance postureSCI/CI PolyActive SCI/CI PolyPolygraph

Active SCI/CI Poly required at the time of application, Must have DISA STIG as they apply experience, Must have Cisco Systems networking experience including complex WAN configurations (including international), Must have IP subnetting and L1 thru L3 networking experience

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