Principal Linux Systems Administrator

Northrop Grumman

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Azusa, CA
Salary
$103,600–$155,400 / yr
Employment
Full-time
Posted
7 days ago
Freshness
Confirmed live yesterday
Closes
Nov 30, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $166k
This role $130k
$92k $214k
below market most similar roles pay here above market

This role pays less than 76% of similar roles. Most pay $129,575–$202,187 — the blue band above. At the midpoint, this role pays about $130k versus about $166k for comparable roles.

Based on 240 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 628 open roles on FindRole.

Listed pay typically runs $117,500–$176,300 across 332 roles with salary data.

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View all roles at Northrop Grumman

At a glance

TL;DR · Principal Linux Systems Administrator

JOB TITLE: Principal Linux Systems Administrator - Secret The CIDO Classified Solutions team is seeking a Principal Linux Systems Administrator - Secret to support information system lifecycle activities for classified government contracts. You will maintain multi-user computer systems, ensuring reliability through installation, upgrading, patching, monitoring, and configuration management. Daily tasks include managing file systems, disk space, and virus protection, while providing backup and recovery services. You will work across disciplines to isolate issues between software, firmware, hardware, and networks. Required skills include Linux Server Administration in classified environments, IAT level II certification, and a Secret clearance. Technical proficiencies include Red Hat Enterprise Linux, virtualization, containerization like Docker and Kubernetes, and tools such as ServiceNow, JIRA, HBSS, SolarWinds, and Splunk. You will also manage security audit logging and technical documentation for these secure networked systems.

What you'll do

  • Perform Linux administration tasks to support multiple networks in a classified environment.
  • Maintain multi-user computer systems through installation, upgrading, patching, and configuration management.
  • Provide and maintain backup and recovery services while managing file systems and disk space.
  • Manage virus protection and ensure system reliability through routine monitoring and problem resolution.
  • Develop and maintain technical documentation for system processes, procedures, and security inputs.
  • Maintain security audit and logging information for all classified networked and standalone computers.
  • Test new product releases to ensure compatibility and minimize impact on end users.
  • Isolate issues between software, firmware, hardware, networks, and applications across various disciplines.

What we're looking for

  • Must have a Master's degree with 3 years of technical experience, a Bachelor's with 5 years, an Associate's with 7 years, or a High School Diploma with 9 years.
  • Must have Linux Server Administration experience in a classified environment.
  • Must meet U.S. Government 8140 requirements for a Linux/Windows Systems Administrator – IAT level II certification.
  • Must have a current U.S. Government Secret level security clearance.
  • Must have the ability to obtain a Top Secret security clearance as a condition of continued employment.
  • U.S. Citizenship is required.
  • Must be able to work on-site in Azusa, CA.
  • Must be able to lift and move equipment up to 50 pounds.

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