Senior Linux Systems Administrator

• Administer and maintain Linux-based systems across cloud and containerized environments
• Manage and support storage solutions and virtualization technologies
• Configure and troubleshoot IP networking and firewall components
• Apply and support PKI/TLS/cryptographic solutions, including adherence to crypto policies
• Perform application support and advanced system troubleshooting within Linux environments
• Support SSP compliance activities and STE/STN requirements on Linux systems
• Contribute to system automation efforts using available tools (as applicable)

• Bachelor’s degree in a relevant field with 10+ years of experience, OR no degree with 15+ years of related professional experience
• IAT Level II certification (e.g., Security+ CE, SSCP)
• Strong proficiency in Linux system administration (required)
• Experience with IP networking and firewall technologies
• Solid understanding of PKI/TLS/cryptography and associated policies
• Clearance Required: Must have an active TS/SCI with Polygraph

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 .

Leidos has a new and exciting opportunity for a Senior Linux Systems Administrator in our Intelligence Sector’s, Cyber & Analytics Business Area (CABA) . 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!, 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., 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 .