About this role
Leidos has an exciting opportunity for a Systems Engineer - SME 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
Systems Engineers on this program monitor operations and collect and evaluate metrics to manage IT infrastructure services and for inclusion into project KPIs and Service Level Agreements (SLA). They perform risk assessments, risk mitigation analysis, vendor trade studies, and prepare appropriate documentation to ensure IT infrastructure services are available according to established SLAs. They are also responsible for ensuring continuity of operations including disaster recovery.
Primary Responsibilities:
Serve as the primary technical authority for Linux bases infrastructure, providing expert guidance on architecture, configuration, and optimization across enterprise environments
Lead root cause analysis and resolution of complex OS, kernel and performance issues.
Installation, configuration, administration, support, and maintenance of systems, including associated hardware and cloud resources.
Design, implement, and maintain high-availability Linux systems (RHEL, CentOS, Ubuntu) supporting mission-critical applications with 99.99% uptime
Maintaining enterprise Linux server infrastructure to ensure proper configuration, availability, performance, capacity, and maintenance (including application of the latest patches and upgrades).
Collaborate with cross-functional teams to integrate Linux systems with cloud platforms (AWS, Azure, GCP) and hybrid infrastructure.
Develop and enforce system hardening standards aligned with DISA STIGs, CIS benchmarks and organizational security policies
Monitors technology obsolescence, manages upgrades, and evaluates alternatives across on-premises and cloud IT infrastructures, both virtual and physical.
Basic Qualifications:
Must be a US citizen and have an active TS/SCI with a polygraph
Expert applying expertise and supporting a broad range of assignments requiring originality and innovation in determining how to accomplish tasks.
Expert in developing methodologies and presenting solutions to problems.
Mastery in contributing to deliverables and meeting performance metrics.
Expert with active directory, windows servers, and virtualization technologies
Ability and availability to provide on-call support
Must have a Master's degree with 15+ years of prior relevant experience. Additional years of experience may be substituted in lieu of a degree.
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 22, 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.
Pay Range:
Pay Range $154,050.00 - $278,475.00The 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.
Other facts
About Leidos
Leidos is a Fortune 500® innovation company rapidly addressing the world’s most vexing challenges in national security and health. The company's global workforce of 48,000 collaborates to create smarter technology solutions for customers in heavily regulated industries. Headquartered in Reston, Virginia, Leidos reported annual revenues of approximately $15.4 billion for the fiscal year ended December 29, 2023.
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 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, visit careers.leidos.com for our latest opportunities.
What you'll do
- Systems Engineers monitor operations and evaluate metrics to manage IT infrastructure services. They ensure continuity of operations, including disaster recovery, and lead root cause analysis for complex issues.
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