Systems Engineer - Linux

Leidos has a new and exciting opportunity for a Systems Engineer 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!

Overview

We are seeking a Systems Engineer with experience across the full system engineering lifecycle, from concept through sustainment. This role includes developing and maintaining technical documentation and supporting Systems Administration (SA) and GOTS products. The ideal candidate is adaptable, willing to learn, and effective in a small, mission-focused team that regularly collaborates with users, customers, and partner teams.

Primary Responsibilities

• Support all phases of the system engineering lifecycle from concept through sustainment
• Develop and maintain technical documentation and drawing packages
• Install, configure, and manage Linux-based systems (RedHat/CentOS/Rocky)
• Support and maintain GOTS software solutions
• Configure and manage STE/STN systems in connected and disconnected environments
• Perform system testing, troubleshooting, and issue resolution
• Collaborate with cross-functional teams, users, and customers to support mission needs

Basic Qualifications

• Bachelor's degree in a technical field with 6 years of relevant experience, or a Master's degree with 4 years, or PhD with 2 years, or no degree with 10 years of relevant experience
• Strong Systems Administration (SA) experience
• Strong Linux experience, including installation, configuration, and management
• Experience with authentication/authorization (FreeIPA/Active Directory)
• Experience with STE/STN environments
• Experience installing and maintaining GOTS software
• Strong testing and troubleshooting skills, including scripting (Bash/Python)
• Clearance Required: Must have an active TS/SCI with Polygraph

Preferred Qualifications

• Familiarity with shared storage solutions
• Experience with virtualization and containerization (Docker/Kubernetes)
• Data flow experience
• Familiarity with Ansible or SALT
• Experience with Helm charts, YAML, or DevOps practices

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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:

April 15, 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 $87,100.00 - $157,450.00

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.