Senior Linux Administrator

Reposted 13 Days Ago
Be an Early Applicant
Hiring Remotely in Mississippi, USA
Remote or Hybrid
79K-135K Annually
Senior level
Aerospace • Hardware • Information Technology • Security • Software • Cybersecurity • Defense
Where purpose connects.
The Role
Manage and maintain Linux-based multi-user systems, virtual machines, and HPC clusters. Install and tune software, manage accounts and storage, enforce IA/DoD STIG hardening, support schedulers (SLURM/PBS/Torque), automate via scripting, monitor systems, and produce documentation and recommendations to optimize resource usage.
Summary Generated by Built In
Job Description
In support of the Navy DoW Supercomputing Resource Center (NAVY-DSRC), BAE Systems provides program management and technical support necessary to advance services, capabilities, infrastructure, and technologies.
BAE Systems is seeking a Senior Linux Systems Administrator to support a team of administrators with standard Linux system administration duties at Stennis Space Center, MS.
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 cluster based systems. Coordination with Linux System 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.
#LI-VW1
#LI-Onsite
Required Education, Experience, & Skills
Bachelor's degree and at least 4 years of experience (additional experience may be substituted for the degree)
DoD 8570 certification - Security + and OS cert (Linux+ CE, RedHat, etc)
Willingness to occasionally work after hours and/or respond to emergency situations for problem resolution
Experience with SLURM / PBS / torque schedulers
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
Familiar in multi-factor authentication platforms and solutions, and Identity Management such as OpenID, LDAP, and Kerberos.
Security implementations using multi-factor authentication, PKI, or Kerberos and Unix OS hardening to DoD STIG standards.
Experience with scripting (Bash, Python, etc)
Preferred Education, Experience, & Skills
Experience with Storage Architectures: SAN, SAS, FC, SATA
Experience with Zabbix
Experience with Red Hat Satellite or Red Hat Identity Manager
Experience with BIND DNS
Experience with Puppet or Ansible
Pay Information
Full-Time Salary Range: $79370 - $134929
Please note: This range is based on our market pay structures. However, individual salaries are determined by a variety of factors including, but not limited to: business considerations, local market conditions, and internal equity, as well as candidate qualifications, such as skills, education, and experience.
Employee Benefits: At BAE Systems, we support our employees in all aspects of their life, including their health and financial well-being. Regular employees scheduled to work 20+ hours per week are offered: health, dental, and vision insurance; health savings accounts; a 401(k) savings plan; disability coverage; and life and accident insurance. We also have an employee assistance program, a legal plan, and other perks including discounts on things like home, auto, and pet insurance. Our leave programs include paid time off, paid holidays, as well as other types of leave, including paid parental, military, bereavement, and any applicable federal and state sick leave. Employees may participate in the company recognition program to receive monetary or non-monetary recognition awards. Other incentives may be available based on position level and/or job specifics.
About BAE Systems Intelligence & Security
BAE Systems, Inc. is a defense, aerospace, and security company headquartered in Falls Church, Virginia, with more than 40,000 employees worldwide. We serve, supply, and protect those who protect us. As one of the most geographically diverse international defense companies, we deliver a full range of products and services spanning air, land, maritime, space, and cyber, including advanced electronics, intelligence solutions, and dedicated customer support.
Our culture is performance-driven and values-led, built on curiosity, creativity, and collaboration. Purpose isn't a tagline here. It's what drives us. We're developing breakthrough technologies that defend national security and make a lasting impact on our communities and our planet. When you join BAE Systems, you're not just building a career. You're contributing to a mission that truly matters.
This position will be posted for at least 5 calendar days. The posting will remain active until the position is filled, or a qualified pool of candidates is identified.

Skills Required

  • Bachelor's degree or equivalent experience (4+ years)
  • DoD 8570 certification: Security+ and OS cert (e.g., Linux+ CE, RedHat)
  • Willingness to occasionally work after hours and respond to emergency situations
  • Experience with SLURM, PBS, or Torque schedulers
  • General Linux/Unix systems administration experience
  • Ability to develop and maintain system administration documentation
  • Ability to create and maintain Information Assurance (IA) compliance documentation
  • Familiarity with multi-factor authentication platforms and identity management (OpenID, LDAP, Kerberos)
  • Experience implementing security using MFA, PKI, Kerberos and Unix OS hardening to DoD STIG standards
  • Scripting experience (Bash, Python)
  • Experience with storage architectures (SAN, SAS, FC, SATA)
  • Experience with Zabbix for monitoring
  • Experience with Red Hat Satellite or Red Hat Identity Manager
  • Experience with BIND DNS
  • Experience with configuration management tools (Puppet or Ansible)

What the Team is Saying

BAE Systems, Inc. Compensation & Benefits Highlights

  • Healthcare Strength Medical, dental, and vision coverage is presented as comprehensive, paired with an EAP, fertility and transgender care options, and HSA‑compatible plans that can include employer contributions with coverage starting on day one in some cases. These resources are reinforced by wellness tools and immediate eligibility noted on official benefits materials.
  • Retirement Support A 401(k) savings plan is broadly available, with employer matching and other contributions that vary by business unit, and some U.S. employee groups retain pension arrangements. Company‑paid basic life insurance equal to 2x base salary (up to $1M) further strengthens financial security.
  • Parental & Family Support Paid parental leave (e.g., 160 hours for full‑time employees) sits alongside adoption and surrogacy reimbursement and Bright Horizons backup child and elder care. These benefits help reduce care gaps and complement PTO and applicable state programs.

BAE Systems, Inc. Insights

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The Company
HQ: Falls Church, VA
40,000 Employees
Year Founded: 1999

What We Do

Improving the future and protecting lives is an ambitious mission, but it’s what we do. As a leading aerospace, defense, and security company, we work together to deliver a full range of products and services for air, land, space, and naval forces, as well as advanced electronics, security, information technology solutions and customer support services. How we work is rooted in purpose – a purpose to protect those who protect us, to unite our community of colleagues and customers, and to drive forward the growth and development of our exceptional team members. It's where purpose connects.

Why Work With Us

We believe your career should be filled with innovation and discovery. And that's exactly what you'll find at BAE Systems. As you work to develop the latest technology and defend national security, you will continually hone your skills and expand knowledge. On a sharp and collaborative team, you will be challenged – and supported – at every turn.

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Employees engage in a combination of remote and on-site work.

As the work place continues to evolve, so do we. Remote and hybrid opportunities are available at BAE Systems depending on the nature of the role. Check your job requisition to learn more.

Typical time on-site: Not Specified
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