Principal Linux Systems Administration

Northrop Grumman

Confirmed live 2 days ago Trusted

Quick summary

Work type
On-site
Location
Redondo Beach, CA
Salary
$103,600–$155,400 / yr
Posted
24 days ago
Freshness
Confirmed live 2 days ago
Closes
Sep 20, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $157k
This role $130k
$93k most similar roles pay here $199k

This role pays less than 70% of similar roles. Most pay $125,000–$188,796 — the shaded band above. At the midpoint, this role pays about $130k versus about $157k 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 367 open roles on FindRole.

Listed pay typically runs $114,900–$176,300 across 353 roles with salary data.

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View all roles at Northrop Grumman

At a glance

TL;DR · Principal Linux Systems Administration

The Principal Linux Systems Administration role is part of the CIDO Classified Solutions team, where the individual will support information system lifecycle activities for classified government contracts. The position involves managing multi-user computer systems, performing installation, patching, and configuration management while ensuring reliability through monitoring and problem resolution. Key responsibilities include managing file systems, disk space, and virus protection, as well as developing technical documentation and maintaining security audit logs. The role requires proficiency in Linux server administration within classified environments, utilizing tools like ServiceNow and JIRA for ticketing. Technical requirements include experience with bare metal builds, virtualization, containerization via Docker or Kubernetes, and networking concepts like VLANs and routing. Candidates must navigate complex information system security guidelines while troubleshooting issues across hardware, firmware, software, and operating systems to maintain secure networked and standalone computers.

What you'll do

  • Perform Linux systems administration tasks for classified government contracts across multiple networks.
  • Maintain system reliability through installation, upgrading, patching, monitoring, and configuration management.
  • Manage file systems, disk space, and routine virus protection services.
  • Provide backup and recovery services to ensure data integrity.
  • Test new product releases to ensure compatibility and minimize impact on end users.
  • Develop and maintain technical documentation for system processes and procedures.
  • Maintain security audit logs and adhere to strict Information Systems security guidelines.
  • Resolve complex issues by isolating problems between hardware, software, firmware, and networks.

What we're looking for

  • Must have a Master's degree with 2 years experience, Bachelor's with 4 years, Associate's with 6 years, or High School/GED with 7 years of IT experience.
  • Experience in Linux Server Administration within a classified environment is required.
  • Must hold at least an IAT level II certification (e.g., Security+ CE, CND, CCNA Security).
  • Must possess a current U.S. Government Top Secret security clearance with SCI access eligibility.
  • Must have the ability to obtain and maintain a CI-Polygraph for continued employment.
  • U.S. Citizenship is required.
  • Experience with bare metal Linux builds (preferred).
  • Bachelor's degree in Information Technology, Security+ certification, and RHCSA certification (preferred).

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