Linux Systems Administrators

Position: Linux Systems Administrators - All Levels
Location: Annapolis Junction

** Description*
* ** 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.*
* conmd

KQW

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 $ - $

The Leidos pay range for this job level is a general guideline onlyand 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 Leidos*
* Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $16.7 billion for the fiscal year ended January 3, 2025. For more information, visit   .

** Pay and Benefits*
* Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available at   .

** Securing Your Data*
* Beware of fake employment opportunities using Leidos' name. Leidos will never ask you to provide payment-related information during any part of the employment application process (i.e., ask you for money), nor will Leidos ever advance money as part of the hiring process (i.e., send you a check or money order before doing any work). Further, Leidos will only communicate with you through emails that are generated by the  automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via Whats App, Telegram, etc.

If you received an email purporting to be from Leidos that asks for payment-related information or any other personal information (e.g., about you or your previous employer), and you are concerned about its legitimacy, please make us aware immediately by emailing us at   .

If you believe you are the victim of a scam, contact your local law enforcement and report the incident to the U.S. Federal Trade Commission…