Principal Network Engineer

Northrop Grumman

Actively hiring
Sunnyvale, CA Posted 15 days ago $103,600–$155,400 / year
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At a glance

AI generated

TL;DR

The Principal Network Engineer role at Northrop Grumman’s Corporate Sector CIDO in Sunnyvale, CA involves designing, implementing, and maintaining high-availability network infrastructure across the enterprise. Day-to-day responsibilities include planning site and enterprise-level network solutions, coordinating with vendors for equipment installation, providing advanced troubleshooting support, and ensuring compliance with security policies aligned with DoD and NIST guidelines. The role requires expertise in Cisco core network equipment, SD-WAN methodologies, and extensive knowledge of TCP/IP protocols and LAN/WAN technologies. Ideal candidates possess a degree coupled with relevant experience, current U.S. Government Secret clearance, and hands-on experience with managed network solutions and large-scale technical projects.

Skills

Cisco Juniper Aruba TCP/IP OSPF QoS CoS Multicast SD-WAN LAN WAN Cisco Router Cisco Switch Palo Alto Firewalls Configuration Management Database DoD Security Guidelines NIST Guidelines Fiber-Optic Cabling Copper Cabling Network Associates Sniffer Protocol Analyzers

What you'll do

  • Design and deploy high availability network infrastructure in compliance with Northrop Grumman standards.
  • Coordinate the installation and commissioning of core network equipment like routers, switches, and firewalls.
  • Provide advanced troubleshooting for WAN, LAN, and SD-WAN environments to ensure 99.9% service availability.
  • Serve as primary technical liaison with vendors for escalations and new service onboarding.
  • Implement security policies for network segmentation and access control in accordance with DoD and NIST guidelines.
  • Mentor junior engineers and participate in after-action reviews to recommend process enhancements.

What we're looking for

  • 7+ years of relevant network engineering experience required.
  • Experience with managed network solutions and large-scale technical projects.
  • Proficiency in Cisco Router, Switch, Firewall equipment, and Wireless Technology.
  • Strong knowledge of TCP/IP protocol and LAN/WAN protocols (multicast, QoS).
  • Current U.S. Government Secret level security clearance or DoD Continuous Evaluation Program enrollment required.
  • Experience with SD-WAN methodologies is preferred but not mandatory.
  • Ability to work on-site full-time at the Sunnyvale campus in California.

Market check

Salary context

This $103,600–$155,400 range sits above 18% of similar postings on FindRole.

Peer median band

$122,750–$198,400

Median floor and ceiling across peers.

Typical midpoint (25–75%)

$135,937–$195,812

Middle half of comparable postings.

Based on 240 comparable postings.

* 240 is the maximum number of comparable postings sampled.

Employer

About Northrop Grumman

Northrop Grumman is a leading global aerospace and defense technology company providing systems in autonomous systems, cyber, C4ISR, space, strike, and logistics. Industry: Aerospace & Defense

Northrop Grumman currently has 173 open roles on FindRole.

Listed pay typically runs $113,900–$170,950 across 168 roles with salary data.

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