Senior Level Linux Administrator Jobs

Senior level linux administrator jobs place experienced professionals in charge of infrastructure architecture, system reliability, and the engineering teams or initiatives that keep critical environments running. Roles concentrate across Technology & Software, Aerospace & Defense, and Electronics & Hardware, with 24% remote or hybrid availability, and employers like MANTECH, BAE Systems USA, and Northrop Grumman hiring at this level now.

Find Jobs

Overview

Open roles70
Top stateMaryland
Top employerMANTECH
Top cityAnnapolis Junction, MD
Work type76% On-site
Top industryTechnology

Showing 5 of 70+ Senior Level Linux Administrator jobs

Tradeweb
Senior Linux Engineer
We won't show you this job again
Tradeweb
New 1m ago
Senior Linux Engineer
Tradeweb
Jersey City, New Jersey
Cloud Engineering
DevOps
IT Support
$200k - $250k/yr
On-Site
Bachelor's degree in information technology
1,001-5,000

Have you applied for this role?

General Dynamics Mission Systems
Senior Red Hat Linux Systems Administrator/Automation Engineer – SPRINT Next Team
We won't show you this job again
General Dynamics Mission Systems
New 1m ago
Senior Red Hat Linux Systems Administrator/Automation Engineer – SPRINT Next Team
General Dynamics Mission Systems
San Antonio, Texas
Cloud & DevOps
IT Support
Systems Administration
$133k - $144k/yr
Master's degree
10,000+

Have you applied for this role?

Analogic Corporation
Sr. Embedded Software Engineer Contract (C/C++, Linux)
We won't show you this job again
Analogic Corporation
New 1m ago
Sr. Embedded Software Engineer Contract (C/C++, Linux)
Analogic Corporation
Salem, New Hampshire
Electrical Engineering
Engineering (Non-Software)
Product Management
Bachelor's degree in electrical engineering
501-1,000

Have you applied for this role?

Red Hat
Principal Software Engineer, Linux Kernel Storage
We won't show you this job again
Red Hat
New 1m ago
Principal Software Engineer, Linux Kernel Storage
Red Hat
Raleigh, North Carolina
Cloud Engineering
Cybersecurity
Data Engineering
$152k - $250k/yr
10,000+

Have you applied for this role?

Qualcomm
Sr. Staff / Principal Software Engineer – Linux Kernel & ARM Server Platforms
We won't show you this job again
Qualcomm
New 1m ago
Sr. Staff / Principal Software Engineer – Linux Kernel & ARM Server Platforms
Qualcomm
Folsom, California
Cybersecurity
Sales
Solutions Engineering (Pre-Sales)
$193k - $289k/yr
On-Site
Doctoral degree in Computer Science
10,000+

Have you applied for this role?

See All 70 Senior Level Linux Administrator Jobs

Find roles that match your experience and apply in just a few clicks.

Find Jobs

Senior Level Linux Administrator Job Market

Who's Hiring

  • MANTECH
    MANTECH3
  • BAE Systems USA
    BAE Systems USA3
  • Northrop Grumman
    Northrop Grumman3
  • Shield Consulting Solutions
    Shield Consulting Solutions3
  • Columbia Technology Partners
    Columbia Technology Partners3

Top Industries Hiring

  • Technology & Software26
  • Aerospace & Defense5
  • Electronics & Hardware5
  • Law & Legal Services3
  • Artificial Intelligence3

Senior Level Linux Administrator Jobs: Frequently Asked Questions

How do I get a senior level linux administrator job?

Employers at this level look for demonstrated ownership of large-scale Linux environments, not just hands-on technical skill. Candidates who stand out can point to specific outcomes: infrastructure they designed, outages they prevented, or junior engineers they mentored. Deep expertise in automation tools, security hardening, and performance tuning, combined with a history of cross-functional collaboration, signals readiness for senior responsibility.

Which companies hire senior level linux administrators?

Companies hiring senior level linux administrators right now include MANTECH, BAE Systems USA, and Northrop Grumman, based on current listings on Migrate Mate as of July 2026. Hiring at this level tends to come from enterprises and government contractors with complex, high-availability infrastructure that demands experienced engineers who can operate with minimal oversight.

Are there remote senior level linux administrator jobs?

Yes, and remote availability is especially strong at the senior level. About 24% of senior level linux administrator openings are remote or hybrid as of July 2026, reflecting employer confidence in experienced administrators who can manage critical systems independently. Fully on-site roles typically involve classified environments or data centers requiring physical access.

What makes a linux administrator role senior level?

Senior level linux administrator roles are defined by scope and ownership rather than task execution. These positions involve designing and governing infrastructure architecture, setting standards for security and performance, and driving decisions that affect the broader engineering organization. Mentoring junior and mid-level staff, leading incident response, and partnering with architects and leadership on long-term system strategy are core expectations, not occasional responsibilities.

Which industries hire the most senior level linux administrators?

Senior Level linux administrator roles concentrate in Technology & Software, Aerospace & Defense, and Electronics & Hardware, based on current listings on Migrate Mate as of July 2026. These sectors drive hiring at this level because they operate at a scale and compliance complexity that demands senior engineers capable of owning critical infrastructure decisions end to end.