Sr. Principal Network Engineer

Northrop Grumman

Quick summary

Work type: On-site
Location: Linthicum, MD · Redondo Beach, CA
Salary: $123,400–$193,900 / yr
Posted: 16 days ago

Market check

Salary context

Competitive pay

How this pay compares to similar roles

Similar $180k

This role $159k

$112k most similar roles pay here $232k

This role pays less than 66% of similar roles. Most pay $145,000–$214,475 — the shaded band above. At the midpoint, this role pays about $159k versus about $180k for comparable roles.

Based on 238 similar postings.

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 130 open roles on FindRole.

Listed pay typically runs $125,300–$187,900 across 128 roles with salary data.

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View all roles at Northrop Grumman

At a glance

TL;DR · Sr. Principal Network Engineer

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Northrop Grumman’s Corporate Sector CIDO is hiring a Senior Principal Network Engineer to join its IT Infrastructure & Operations team at Linthicum, MD or Redondo Beach, CA. This role involves defining long-term network architecture roadmaps and leading the design of large-scale multi-domain networks for classified missions, ensuring compliance with security standards. The engineer will also serve as a senior technical liaison to government customers, authoring enterprise-wide network policies, and providing third-level support for complex issues. Key responsibilities include advanced monitoring, analysis, and planning for network systems, mentoring junior team members, and working on after-hours projects as needed. Candidates should have extensive experience in LAN/WAN design, VTC support, and hold a Government Top Secret clearance with a recent investigation or Continuous Evaluation Program enrollment. Preferred qualifications include expertise in Cisco Call Managers, TACLANES configuration, and system architecture design for mission-critical systems.

Skills

Cisco SDWAN ZeroTrust ServiceNow JIRA TACLANES encryption solutions LAN/WAN routers switches firewalls Video Teleconferencing audio/visual technologies network architecture routing security system integration COTS integration capacity analysis disaster recovery

What you'll do

Define and execute long-term network architecture roadmaps aligned with security requirements.
Lead design, integration, and implementation of large-scale multi-domain networks supporting classified missions.
Serve as senior technical liaison to government customers for requirement negotiation and status briefings.
Author and enforce enterprise-wide network standards, policies, and security frameworks.
Provide advanced monitoring, analysis, and planning for complex network systems and issues.
Develop innovative solutions to complex problems and support project designs adhering to standards.

What we're looking for

PhD with 4 years or Bachelor’s with 8 years of relevant network engineering experience.
Active Top Secret security clearance with closed investigation within last 6 years.
Experience designing and maintaining complex LAN/WAN networks including routers, switches, and firewalls.
Ability to obtain SAP/SAR access and SCI clearance if required.
Government 8140 IAM Level I Certification (Security+ CE or equivalent).
Expertise in large-scale multi-domain network architectures and advanced routing/security systems.

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