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Leidos

Linux System Administrator

Chantilly, VA$52,000 – $94,000Posted 27 days ago

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Description

Leidos is seeking an experienced Linux Systems Engineer to provide support to a mission critical enterprise identity and access management system. A successful candidate will develop an understanding of the services offered to external organizations, provide lifecycle systems engineering support to development and operations on the program, and use a combination of technical and functional expertise to recommend solutions to satisfy customer requirements.

This position requires the ability to work a Panama shift schedule, including weekends and holidays

Responsibilities:

• Administer and maintain Linux systems across multiple program environments, supporting both operational and development needs.

• Support cloud initiatives that meet evolving customer requirements.

• Administer program-owned collaboration applications, including Atlassian Jira, Confluence, and RocketChat.

• Manage user accounts and resolve application access issues.

• Monitor system performance, respond quickly to anomalies, and independently make configuration changes to maintain 99.9% system availability.

• Coordinate with enterprise partners during outages and make failover decisions across availability zones or data centers.

• Perform system checkouts and test upgrades and patches in operational environments.

• Partner with Enterprise Services to ensure compliance with security requirements.

• Document incidents, workarounds, root cause analyses, and corrective actions.

• Develop user guides and operational procedures for program tools, including custom Linux scripts and tailored COTS products.

• Coordinate communications with end users, Tier 1 and Tier 3 support, management, mission partners, and government leadership.

Basic Qualifications

• Bachelor's degree in Computer Science or a related discipline, plus 2-4 years of experience as a Systems Administrator or in a similar technical role.

• Active Top Secret clearance with SCI eligibility and willingness to be approved for a CI Poly

• Strong Linux background and familiarity with infrastructure management best practices.

• Experience with Agile collaboration tools such as Jira, Confluence, and RocketChat.

• Strong problem-solving and decision-making skills.

• Excellent oral and written communication skills.

• Proactive self-starter with a positive, collaborative attitude.

• Ability to work a Panama shift schedule, including weekends and holidays.

Preferred Qualifications:

• Experience with AWS or other cloud service providers and cloud-based architectures.

• Familiarity with cross-domain architectures at multiple levels.

• Experience with automated testing and monitoring tools.

• Experience with Engineering Review Boards and Change Management processes.

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:

October 14, 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 $52,000.00 - $94,000.00

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 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 www.Leidos.com.

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 www.leidos.com/careers/pay-benefits.

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 Leidos.com automated system - never from free commercial services (e.g., Gmail, Yahoo, Hotmail) or via WhatsApp, 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 LeidosCareersFraud@leidos.com.

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.

Commitment to Non-Discrimination

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.

About Leidos

https://www.leidos.com/

Size: 10,000+ employees
Industry: Information Technology

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