Linux System Administrator

BAE Systems

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Vicksburg, MS, us on site Until 8/21/2026 H-1B sponsor history First posted March 21, 2025 Last posted March 21, 2025
Job 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.
 

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.

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

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.

About this role

Summary

Maintain Linux systems, support HPC, ensure security, optimize performance, document procedures

Job title

Linux System Administrator

Experience level

3+ years

Industry

defense

Location requirements

Vicksburg, MS, on-site; remote not specified

Salary

Not specified

Visa sponsorship

H-1B sponsor history

Management role

No

Skills & keywords

Required skills

linuxunixsystem documentationsecurity+linux+redhat

Preferred skills

None specified

Specializations

linuxsystem administrationsecurityHPCvirtual machines
Locations

Structured locations inferred from the posting.

Vicksburg, MS, USA

On-site City