Principal Linux Systems Administrator

Northrop Grumman

Confirmed live yesterday High trust

Quick summary

Work type
On-site
Location
Huntsville, AL
Salary
$98,900–$148,300 / yr
Employment
Full-time
Posted
4 days ago
Freshness
Confirmed live yesterday
Closes
Nov 30, 2026

Market check

Salary context

Below market

How this pay compares to similar roles

Similar $161k
This role $124k
$88k $204k
below market most similar roles pay here above market

This role pays less than 81% of similar roles. Most pay $129,556–$192,330 — the blue band above. At the midpoint, this role pays about $124k versus about $161k 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 685 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

The Principal Linux Systems Administrator joins the CIDO Classified Solutions team to support information system lifecycle activities for classified government contracts. This role involves maintaining multi-user computer systems, performing Linux administration tasks across multiple networks, and ensuring system reliability through installation, patching, monitoring, and configuration management. The individual will manage file systems, disk space, virus protection, and backup services while developing technical documentation and adhering to strict Information Systems security guidelines. Key technologies and skills include Linux Server Administration, virtualization, containerization using Docker and Kubernetes, and networking concepts like subnets and VLANs. The position requires proficiency with tools such as ServiceNow, JIRA, HBSS, SolarWinds, and Splunk. The work focuses on isolating issues between hardware, firmware, and software within a secure, classified environment.

What you'll do

  • Perform Linux system administration tasks to support classified government contracts.
  • 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 compliance with strict Information Systems security guidelines.
  • Maintain security audit and logging information for all classified networked and standalone computers.
  • Develop and maintain technical documentation of system processes and procedures.
  • Test new product releases to ensure compatibility and minimize user impact.
  • Support environments by managing tasks through ticketing systems like ServiceNow and JIRA.

What we're looking for

  • Must have a Master's degree with 2 years of IT experience, a Bachelor's with 4 years, an Associate's with 6 years, or a High School Diploma with 8 years.
  • Must have Linux Server Administration experience in a classified environment.
  • Must have a current U.S. Government Secret level security clearance.
  • Must meet U.S. Government 8140 requirements for a Linux/Windows Systems Administrator – IAT level II certification.
  • U.S. Citizenship is required.
  • Must be able to work on-site at the Huntsville, AL location.
  • Must be able to lift and move equipment up to 50 pounds.
  • Must have 7 years of Linux experience in a classified environment (preferred).

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