Principal Linux Systems Administrator

Northrop Grumman

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Redondo Beach, CA
Salary
$103,600–$155,400 / yr
Posted
10 days ago
Freshness
Confirmed live yesterday

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $163k
This role $130k
$93k most similar roles pay here $207k

This role pays less than 72% of similar roles. Most pay $129,500–$195,966 — the shaded band above. At the midpoint, this role pays about $130k versus about $163k 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 Administrator

The Principal Linux Systems Administrator / Sr. Principal Linux Systems Administrator (AHT) joins the Forward Area Air Defense portfolio team to manage critical infrastructure for an Army Air Defense System. This role involves administering, monitoring, and maintaining Linux-based systems within lab and development environments. Key responsibilities include configuring, patching, and hardening workstations and servers, troubleshooting hardware components, and resolving high-priority incidents across OS, network, and hardware layers. The candidate will collaborate with software developers to support build workflows and maintain infrastructure inventories. Required skills include expertise in Red Hat or similar enterprise distributions, package management, building custom RPMs, kernel/driver interactions, and performance tuning. Proficiency in shell scripting for automation is essential. The role specifically supports systems defending against manned aircraft, rockets, artillery, mortars, unmanned aerial systems, and cruise missiles.

What you'll do

  • Administer, monitor, and maintain Linux-based systems in lab and development environments.
  • Configure, patch, and harden Linux workstations and servers to meet security and performance requirements.
  • Troubleshoot and repair hardware problems by diagnosing faulty components and coordinating replacements.
  • Resolve high-priority incidents across OS, network, and hardware layers to restore critical services.
  • Support software developers with build environments, development workflows, and OS-related issues.
  • Manage package management, custom RPM builds, kernel/driver interactions, and performance tuning.
  • Automate system configuration and maintenance tasks using shell scripting.
  • Document system configurations, procedures, and changes while maintaining accurate infrastructure inventories.

What we're looking for

  • U.S. Citizenship is required for this position.
  • Must hold or be able to obtain a DoD Secret clearance.
  • Bachelor's degree in Computer Science or related field with 5 years of experience, or 9 years of experience without a degree (Principal level).
  • Bachelor's degree in Computer Science or related field with 8 years of experience, or 12 years of experience without a degree (Senior Principal level).
  • Strong understanding of Linux system administration for Red Hat or similar enterprise distributions.
  • Experience installing, configuring, and troubleshooting Linux operating systems, software, servers, and hardware.
  • Proficiency in OS-level package management, building custom RPMs, and handling kernel/driver interactions.
  • Familiarity with shell scripting for system configuration and automation tasks.

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