If you're interested in being a part of an extraordinary mission, working with our customer who runs the DoD’s largest supercomputing centers and operating some of the most powerful supercomputers in the world, we could use your experience and enthusiasm! You will be providing your LINUX Systems Administration expertise to ensure DoD scientists have reliable access to these critical resources. You will be directly supporting the warfighter.
All of your work will be performed on customer site at Stennis Space Center and an Interim Secret Clearance is required to begin work on the program.
So, what will you be doing in this role?
- Provide expert-level administration of RedHat Linux systems, ensuring optimal performance and security.
- Perform systems enhancement, configuration, maintenance, installation, and software upgrades.
- Lead a team of high-performing Linux administrators, providing guidance, technical expertise, and project leadership.
- Foster a collaborative and productive team environment, sharing lessons learned and best practices.
- Maintain and manage the Enterprise Satellite server, ensuring it meets the organization's software deployment and updates needs.
- Automate routine and complex tasks using Ansible, streamlining operations and improving efficiency.
- Monitor and tune systems to achieve optimum performance levels, adhering to established policies, procedures, and service level agreements.
- Identify and address performance issues and optimize the production environment for mission-critical systems.
- Perform acceptance testing of modules, subsystems, and total systems.
- Responsible for software installation, configuration, and ensuring adherence to configuration guidelines.
- Ensure compliance with established standards, policies, and configuration guidelines.
- Maintain documentation and records to demonstrate adherence to regulatory requirements.
These are the required qualifications...
- Must hold an active in Secret clearance or be able to obtain Interim Secret eligibility prior to start. (US Citizenship required)
- Must hold a Bachelor's Degree with a minimum of 8 years related experience
- Must hold current DOD 8570 IAT II certification – Security + and one of the following Linux certifications: Linux + or RedHat Certified System Administrator (RHCSA) prior to start.
Communicates effectively both orally and in a written form with users and office staff
If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.
Original Posting:June 15, 2026For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.
The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.
Skills Required
- Active Secret clearance or ability to obtain Interim Secret eligibility prior to start; US Citizenship required
- Bachelor's degree with a minimum of 8 years related experience
- Current DOD 8570 IAT II certification (Security+)
- One of the following Linux certifications prior to start: Linux+ or Red Hat Certified System Administrator (RHCSA)
- Expert-level administration experience with Red Hat Linux systems
- Experience administering Red Hat Satellite (Enterprise Satellite server) and automating with Ansible
- Demonstrated ability to lead and mentor a team of Linux administrators
- Effective written and verbal communication skills
Leidos Compensation & Benefits Highlights
The following summarizes recurring compensation and benefits themes identified from responses generated by popular LLMs to common candidate questions about Leidos and has not been reviewed or approved by Leidos.
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Healthcare Strength — Healthcare coverage is described as comprehensive, with multiple plan options, low office-visit copays in some plans, and access to mental health and wellness support tools. The availability of HSA/FSA options and employer contributions is positioned as a meaningful part of the total package.
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Retirement Support — Retirement benefits are framed as a strong component of total rewards, highlighted by a 401(k) match and immediate vesting in the standard package. The Employee Stock Purchase Plan is also presented as an additional long-term wealth-building feature.
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Wellbeing & Lifestyle Benefits — Wellbeing and lifestyle supports extend beyond core insurance, including wellness programs, fitness-related stipends, and assistance resources. Work flexibility and related perks are also included as part of the broader rewards experience.
Leidos Insights
What We Do
We Are Leidos For 50 years we have been tackling some of the biggest problems that face our nation and our world. OUR MISSION Through our culture of innovation and history of performance, we develop deep customer trust built on integrity and create enduring solutions that improve our world. Leidos is a science and technology solutions leader working to address some of the world’s toughest challenges in the defense, intelligence, homeland security, civil, and healthcare markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Va., Leidos reported annual revenues of approximately $11.09 billion for the fiscal year ended January 3, 2020. Leidos was cited for the meaningful work employees perform that is challenging, impactful, and aligned with our customers’ missions as reasons professionals want to work and stay at our company. Leidos has also been named to lists including Forbes’ Best Employers for Diversity, Forbes’ America’s Best Employers for Women, Military Times Best for Vets Employers, and Ethisphere Institute’s World's Most Ethical Companies®. Employees enjoy career enrichment opportunities available through mobility and development and experience rewarding relationships with supportive supervisors and talented colleagues and customers. Employees appreciate our flexible work environment, allowing for and encouraging a true work-life balance. Our professionals are also excited about our Employee Resource Groups, like the newly launched Collaborative Outreach with Remote and Embedded Employees (CORE), which strives to create an environment where every employee, regardless of location, feels fully engaged as a valued employee of Leidos. Your most important work is ahead.
