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!

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.

• Installation, configuration, administration, support, and maintenance of systems, including associated hardware and cloud resources.
• Updating to new technologies, tuning performance, defining storage needs, and prioritizing the implementation of critical system patches.
• Managing on-premises and cloud resources.
• Security mitigations.

• 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.
• Bachelor's degree with 12 or more years of prior relevant experience. Additional years of experience may substitute for a degree.
• Must have an active TS/SCI with a polygraph.

Pay Range: $116,350.00 - $210,325.00

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.

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.