✦ Luna Orbit — Networking & Telecom

Network Engineer - Level 3 or 4

at Northrop Grumman

📍 United States-Colorado-Schriever AFB Onsite 💰 $94K – $141K USD / year Posted April 03, 2026
Salary $94K – $141K USD / year
Type Not Specified
Experience senior
Exp. Years 5 years
Education Bachelor's Degree in STEM (Science, Technology, Engineering or Mathematics) discipline preferred
Category Networking & Telecom

Senior Network Engineer for defense programs at Schriever Space Force Base, responsible for managing network architecture, routing, and security across high-availability environments.

  • Knowledge of network architecture, engineering, design, implementation, and testing; Support high-availability networks; Travel up to 10%; Familiarity with routing protocols and network devices; Document topology with Visio

Hands-on experience with Cisco Catalyst/Nexus, routing protocols (BGP/OSPF/EIGRP), firewalls, DNS, data encryption, and network testing tools. Requires TS clearance with SCI eligibility.

Senior network engineer with DoD clearance, 5+ years in routing/switching/firewall design and hands-on Cisco Catalyst/Nexus experience. Strong knowledge of BGP/OSPF/EIGRP, HA configurations, and defense-grade security practices.

Principal Network Engineer Level - 3: 5 years related experience with STEM degree OR 9 years in lieu of degreeSr. Principal Network Engineer Level - 4: 8 years related experience with STEM degree OR 12 years in lieu of degreeCurrent DoD 8140 certification at IAT Level II or higherActive DoD Top Secret clearance with SCI eligibilityAbility to travel up to 10%
Cisco Catalyst and Nexus expertiseFirewall configurationUse of Visio for topology diagramsCisco ISE administrationLinux navigation
Microsoft PowerPointVisioCisco IOSFirewall tools
Bachelor's Degree in STEM; 5 years network engineering experience; BGPOSPFEIGRP; TCP/IP; Routers; Switches; Firewalls; DNS; Data encryption; Cisco Catalyst; Cisco Nexus; HA configurations; Firewall configuration; Traceroute; Ping; Netcat; Netstat; tcpdump; Wireshark; Visio; PowerPoint
BGPOSPFEIGRPTCP/IPRoutersSwitchesFirewallsDNSData encryptionCisco CatalystCisco NexusHigh Availability (HA) configurationsFirewall configurationTraceroutePingNetcatNetstatTcpdumpWiresharkVisioPowerPointTop Secret clearanceSTIGs
Excellent written and verbal communicationTeam collaborationProblem solvingDetail orientedNegotiationDocumentation

Required

DoD 8140 certification at IAT Level II or higher (Security+GSECSCNPSSCPCISSPCISAGSESCNA)
Industry Defense
Job Function Design, implement, and sustain secure, high-availability networks for BMDS OPIR and related labs at SSFB.
Role Subtype Network Engineer
Tech Domains Cisco Networking, Linux, Windows Server, Active Directory, DNS, ITSM / ServiceNow
Visa Sponsorship No
network engineerlevel 3level 4network architecturerouting protocolsBGPOSPFEIGRPTCP/IProutersswitchesfirewallsDNSdata encryptionCisco CatalystCisco NexusHA configurationsfirewall configurationtraceroutetcpdumpwiresharkVisioPowerPointDoD 8140IAT Level IITop SecretSCI eligibilitySchriever AFBFirewallTopology

Must have active DoD Top Secret clearance with SCI eligibility, Must be able to travel up to 10%

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