Linux Systems Engineer – Mission-Critical, TS/SCI

Leidos Inc; Corridor North (MD); On-site; USD 87,100 - 157,450; Full time

Benefits offered by this job

PTO & Holidays

401K match

Flexible schedules

Stock purchase plan

Education support

Parental leave

Upskilling

Job summary

Leidos Inc. is seeking a Systems Engineer in the Intelligence Sector's Cyber & Analytics Business Area (CABA).

The role covers the full system engineering lifecycle from concept through sustainment, with emphasis on developing technical documentation and supporting Systems Administration and GOTS software solutions. The ideal candidate is adaptable, eager to learn, and thrives in a small, mission-focused team that collaborates with users, customers, and partner teams.

Qualifications

• Bachelor's degree in a technical field with 6 years of relevant experience, or a Master's 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.

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.

Skills

Systems Administration

Linux administration

Scripting (Bash/Python)

Authentication/Authorization

Education

Bachelor's degree in a technical field

Master's degree in a technical field

PhD in a technical field

No degree with 10 years of relevant experience

Tools

Docker/Kubernetes

Ansible

SALT

Job description

Leidos Inc. is seeking a Systems Engineer in the Intelligence Sector's Cyber & Analytics Business Area (CABA).

The role covers the full system engineering lifecycle from concept through sustainment, with emphasis on developing technical documentation and supporting Systems Administration and GOTS software solutions. The ideal candidate is adaptable, eager to learn, and thrives in a small, mission-focused team that collaborates with users, customers, and partner teams.