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Principal Linux Infrastructure Engineer

Leidos

Posted today
Intel Agency (NSA, CIA, FBI, etc)
$116,350 - $210,325
Polygraph
IT - Hardware
Bethesda, MD (On-Site/Office)

R-00174325

Description

Leidos has an exciting opportunity for a Principal Linux Infrastructure Engineer in our Intel Security Sector's Analysis Solutions Business Area.  Our talented team is at the forefront in 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, 401K 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!   

Job Summary

This Linux Infrastructure Engineer provides IT infrastructure engineering, administration, and operations support. This role maintains enterprise server infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and upgrades). This role monitors technology obsolescence, manages upgrades, and evaluates alternatives across on-premises and cloud IT infrastructures, both virtual and physical. This role monitors operations and collects and evaluates metrics to manage IT infrastructure services and for inclusion into project KPIs and Service Level Agreements (SLA). This individual performs risk assessment, risk mitigation analysis, vendor trade studies, and appropriate documentation to ensure IT infrastructure services are available according to established Service Level Agreements (SLA). This role ensures continuity of operations including disaster recovery.

Primary Responsibilities:
  • This role is responsible for installation, configuration, administration, support, and maintenance of systems, including associated hardware and cloud resources.
  • Duties include updating to new technologies, tuning performance, defining storage needs, and prioritizing the implementation of critical system patches.   
  • This infrastructure includes on-premises and cloud resources.
  • Security Mitigations


Basic Qualifications:
  • Experience with best practices for securing Linux server environments
  • Experience supporting a broad range of assignments requiring originality and innovation in determining how to accomplish tasks.
  • Experience developing methodologies and presenting solutions to problems.
  • Experience contributing to deliverables and meeting performance metrics.
  • Experience with automation tools
  • Familiar with basic shell scripting
  • Experience with installing, updating, and removing software packages on Linux systems
  • Must be available for on-call support
  • Candidate must have a Bachelor’s degree with 12 or more years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.
  • To be considered, candidate must have an active TS/SCI with a polygraph


CABARESTON

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: January 23, 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 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.
group id: SCNCAPI2

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About Us
Leidos is a Fortune 500® technology, engineering, and science solutions and services leader working to solve the world’s toughest challenges in the defense, intelligence, civil, and health markets. The company’s 43,000 employees support vital missions for government and commercial customers. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $13.7 billion for the fiscal year ended December 31, 2021. For more information, visit www.Leidos.com.
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