Network Engineer III (26-116)

Northrop Grumman Northrop Grumman · Aerospace · Colorado Springs, CO +1 · Networks

Network Engineer III role at Northrop Grumman supporting the Command and Control, Battle Management, and Communications (C2BMC) program. Responsibilities include implementing, maintaining, and troubleshooting enterprise network infrastructure, configuring network devices, monitoring performance, and collaborating with IT teams. Requires a Bachelor's degree or equivalent experience, IAT Level II or higher certification, Secret security clearance, and CCNA or JNCIA certification.

What you'd actually do

  1. Configure and maintain network devices, including routers, switches, and firewalls, from vendors such as Cisco and Juniper Networks
  2. Monitor network performance and availability, proactively identifying and resolving issues with connectivity, latency, and packet loss
  3. Implement and support core networking technologies, including VLANs, routing protocols (e.g., OSPF, BGP), and basic network security controls
  4. Troubleshoot network incidents across LAN/WAN environments, conducting root cause analysis and documenting resolutions
  5. Collaborate with cross-functional IT teams to support network changes, upgrades, and infrastructure initiatives

Skills

Required

  • Network device configuration (routers, switches, firewalls)
  • Network monitoring and troubleshooting
  • VLANs
  • Routing protocols (OSPF, BGP)
  • Network security controls
  • LAN/WAN environments
  • Root cause analysis
  • CCNA or JNCIA certification
  • DoD 8140 certification (IAT Level II or higher)
  • Secret security clearance
  • OSI Model
  • TCP/IP
  • Firewall experience (Juniper, Fortinet, Palo Alto)
  • UDP multicast
  • SONET
  • MSPP
  • GRE tunnels
  • Multi-vendor switching and routing (Juniper, Cisco)
  • WAN optimizers
  • TACLANEs
  • Optical transport equipment
  • Microsoft Office (PowerPoint, Visio)

Nice to have

  • Top Secret security clearance

What the JD emphasized

  • Secret security clearance
  • IAT Level II or higher
  • CCNA or JNCIA certification