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Freelance Intern Linux System Administrator Jobs

BAE Systems

Linux System Administrator

Vicksburg, MS · On-site

BAE Systems is seeking Linux Administrators to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi. The selected candidate will perform ...

NTA, Inc.

Linux System Administrator

Huntsville, AL · On-site

Linux System Administrator FLSA: Exempt Clearance: Secret Location: Redstone Arsenal, Huntsville, AL Job Type: Full time NTA, Inc. is a locally recognized Best Place to Work and Best Place for ...

Entarian

Linux System Administrator

College Park, MD · On-site

$60K - $65K/yr

... system design, development, fielding, and sustainment of global NOAA IT needs. Position is on-site ... The Software Engineer II (Linux Administrator) must be able to support the following ...

Leidos

Linux System Administrator

Huntsville, AL

$92K - $166K/yr

Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to become a part of ...

Entarian

Linux System Administrator

College Park, MD

$60K - $65K/yr

... system design, development, fielding, and sustainment of global NOAA IT needs. Position is on-site ... The Software Engineer II (Linux Administrator) must be able to support the following ...

Leidos

Linux System Administrator

Huntsville, AL · On-site

$92K - $166K/yr

Description Leidos-Dynetics, within our Corporate Information Security Office (CISO and reporting through our Digital Modernization sector, is seeking a motivated Linux Systems Administrator to ...

Teledyne

Linux System Administrator

Huntsville, AL

We are seeking a skilled Systems Administrator to join our dedicated infrastructure operations team ... Perform advanced Linux (RHEL) system administration tasks, including installation, configuration ...

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As of Jul 15, 2026, the average hourly pay for freelance intern linux system administrator in the United States is $51.22, according to ZipRecruiter salary data. Most workers in this role earn between $42.07 and $59.38 per hour, depending on experience, location, and employer.
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Infographic showing various Freelance Intern Linux System Administrator job openings in the United States as of July 2026, with employment types broken down into 1% As Needed, 85% Full Time, 11% Part Time, 1% Temporary, and 2% Contract. Highlights an 93% Physical, 2% Hybrid, and 5% Remote job distribution, with an average salary of $106,535 per year, or $51.2 per hour.
Linux System Administrator

Linux System Administrator

BAE Systems

Vicksburg, MS • On-site

Full-time

Re-posted 22 days ago

BAE Systems rating

8.5

Company rating: 8.5 out of 10

Based on 146 frontline employees who took The Breakroom Quiz

5th of 46 rated military and defense

Job description

Company Description
BAE Systems, a top-ten prime contractor to the U.S. Department of Defense, based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do-from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. We have more than 80 locations across the U.S. and in Afghanistan, Djibouti, Germany, Japan, Korea, Thailand and the United Kingdom.
At BAE Systems, we promote a strong, collaborative culture and provide our employees with the tools, skills and training they need to succeed. We are all about trust, camaraderie and a shared ambition to lead the world in defense technologies and national security services. We offer flexible work environment to support the balance in your life and keep you performing at your best. Be a part of a company that is part of the community; driven to improve our future and protect our freedom.
Job Description
BAE Systems is seeking Linux Administrators to support a team of administrators with standard Linux system administration duties at ERDC in Vicksburg, Mississippi.
The selected candidate will perform standard Linux System Administration duties as required to maintain smooth operation of multi-user computer systems consisting of Linux based application and license servers, virtual machines, and GP/GPU cluster based systems. Coordination with network administrators is required.
Additional duties:
  1. Setting up administrator and service accounts, maintaining system documentation, tuning system performance, installing system wide software and allocate mass storage space.
  2. Developing and monitoring policies and standards for allocation related to the use of computing resources.
  3. Participating in the installation, integration, acceptance testing, and on-going maintenance of our HPC systems and software environment.
  4. Assisting with forecast resource limitations and provide recommendations for increasing the efficiency of our resources through proper scheduling and load balancing techniques.

Qualifications
Bachelor's degree and at least 3 years of experience (additional experience may be substituted for the degree)
Active security clearance and ability to maintain
DoD 8570 certification - Security + and OS cert, Linux+, RedHat, etc. (90 day waiver may be provided to obtain the OS certification)
Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution
General knowledge of Linux and general Unix operating systems concepts as well as systems administration experience
Ability to develop and maintain documentation on system administration procedures for routine and complex tasks
Ability to create and maintain Information Assurance (IA) compliance documentation of the Information System
Additional Information
All your information will be kept confidential according to EEO guidelines.
BAE Systems Intelligence & Security, based in McLean, Virginia, designs and delivers advanced defense, intelligence, and security solutions that support the important missions of our customers. Our pride and dedication shows in everything we do-from intelligence analysis, cyber operations and IT expertise to systems development, systems integration, and operations and maintenance services. Knowing that our work enables the U.S. military and government to recognize, manage and defeat threats inspires us to push ourselves and our technologies to new levels. That's BAE Systems. That's Inspired Work. Equal Opportunity Employer/Females/Minorities/Veterans/Disabled/Sexual Orientation/Gender Identity/Gender Expression. To see Inspired Work in action, visit www.baesystems.com and follow us on Facebook: www.facebook.com/baesystemsintel.

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