Linux Systems Administrators - All Levels

Leidos Holdings Inc

MD

JOB DETAILS
SALARY
$116,350–$210,325 Per Year
SKILLS
Amazon Web Services (AWS), Analysis Skills, Ansible, Bash Scripting, CentOS, Cloud Computing, Computer Networks, Computer Operations, Computer Security, Cryptography, Hardware Virtualization, Intelligence Community, K Virtual Machine (KVM), LDAP (Lightweight Directory Access Protocol), Legal, Linux Administration, Linux Operating System, Microsoft Active Directory, Microsoft Windows Operating System, Network Administration/Management, Network Systems, Operational Support, Public Key Infrastructure (PKI), Python Programming/Scripting Language, Red Hat Linux Operating System, SSL-TLS (Secure Socket Layer - Transport Layer Security), Scripting (Scripting Languages), Security Clearance, Sensitive Compartmented Information (SCI), Signal Intelligence (SIGINT), Software Engineering, Systems Administration/Management, Top Secret Clearance, Virtualization, Web Analytics
LOCATION
MD
POSTED
10 days ago

Linux Systems Administrators / Engineers are needed across several Leidos prime programs in our Intelligence Sector's Cyber & Analytics Business Area (CABA). Our talented team is at the forefront of Security Engineering, Computer Network Operations (CNO), Mission Software, Analytical Methods and Modeling, Signals Intelligence (SIGINT), and Cryptographic Key Management.

At Leidos, we offer competitive benefits, including Paid Time Off, 11 paid Holidays, 401(k) with a 6% company match and immediate vesting, Flexible Schedules, Discounted Stock Purchase Plans, Technical Upskilling, Education and Training Support, Parental Paid Leave, and much more.

Join us and make a difference in National Security.

Linux Systems Administrator roles are eligible for a $10,000 Sign-On Bonus.

Job Summary

Seeking Linux Systems Administrators to support mission-focused Intelligence Community environments. Multiple experience levels are available.

Required Skills

  • Linux systems administration (RHEL, Rocky Linux, CentOS, or similar distributions)
  • STE/STN support
  • Virtualization and/or container technologies
  • Scripting and automation (Bash, Python, Ansible, Salt, etc.)
  • Storage management, networking, and system troubleshooting
  • SSP compliance and secure system administration
  • Experience supporting classified operational environments
  • Security Clearance Requirement: Active TS/SCI with Polygraph

Desired Skills

  • AWS cloud environments
  • KVM, Proxmox, or similar virtualization platforms
  • FreeIPA, Centrify, LDAP, or Active Directory
  • PKI, TLS, and cryptographic technologies
  • Mixed Linux/Windows environments

Experience Levels

Level 0: Bachelor's degree and 0-5 years of experience

Level 1: Bachelor's degree and 5-10 years of experience

Level 2: Bachelor's degree and 10-20 years of experience

Level 3: Bachelor's degree and 20+ years of experience

Candidates without a bachelor's degree will be considered on a case-by-case basis and may substitute an additional 5 years of relevant experience.

This posting is for multiple opportunities. Level placement, responsibilities, and compensation will be aligned to a candidate's experience and qualifications.

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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, 2026

For 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.

Pay Range:

Pay Range $116,350.00 - $210,325.00

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.

About the Company

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Leidos Holdings Inc

SAIC is a premier Fortune 500® technology integrator driving our nation's digital transformation. Our robust portfolio of offerings across the defense, space, civilian, and intelligence markets includes secure high-end solutions in engineering, IT modernization, and mission solutions. Using our expertise and understanding of existing and emerging technologies, we integrate the best components from our own portfolio and our partner ecosystem to deliver innovative, effective, and efficient solutions that are critical to achieving our customers' missions. We are a team of 26,000 strong driven by mission, united purpose, and inspired by opportunity. Headquartered in Reston, Virginia, SAIC has annual revenues of approximately $7.1 billion. For more information, visit saic.com.
COMPANY SIZE
10,000 employees or more
INDUSTRY
Computer/IT Services
FOUNDED
2013
WEBSITE
https://jobs.saic.com/