Cleared Systems Administrator — Lab Infra & SIL Expert

Leidos; Beavercreek (OH); On-site; USD 59,000 - 107,000; Full time

Job summary

Leidos is seeking a cleared Systems Administrator in Beavercreek, Ohio. You will support DoD mission-critical programs by designing and maintaining lab infrastructure, performing system administration, and enforcing security requirements across Linux and Windows systems.

The role requires a US citizen with an active DoD Top Secret clearance and TS/SCI eligibility, plus strong scripting (Bash/PowerShell) and collaboration skills. Proximity to a dynamic defense community is a plus.

Qualifications

• Bachelor's degree in Computer Science, Information Technology, Systems Administration, or a related field with 2+ years of prior relevant experience, or a Master’s degree with 0-2 years of experience in the above-mentioned technical fields.
• An additional 4 years of relevant experience may be considered in lieu of a degree.
• Must be a U.S. Citizen; Must have an active DoD Top Secret clearance with the ability to obtain and maintain TS/SCI.

Responsibilities

• Implement and maintain SIL systems and infrastructure for complex networks.
• Document and communicate proposed solutions to cross-functional engineering teams.
• Stay up to date on security, systems administration, and management best practices and technologies.
• Participate in network and infrastructure design reviews to ensure quality delivery.
• Maintain security patches, perform user management, and support other systems administration activities.

Skills

Bash scripting

PowerShell scripting

Linux

Windows

Top Secret clearance

DoD TS/SCI eligibility

Communication

Teamwork

Education

Bachelor's degree in CS/IT/Systems Administration or related field

Master's degree in related field

Tools

Proxmox

Docker

Kubernetes

Active Directory

RHEL IdM

FreeIPA

STIG

FIPS

Job description

Leidos is seeking a cleared Systems Administrator in Beavercreek, Ohio. You will support DoD mission-critical programs by designing and maintaining lab infrastructure, performing system administration, and enforcing security requirements across Linux and Windows systems.

The role requires a US citizen with an active DoD Top Secret clearance and TS/SCI eligibility, plus strong scripting (Bash/PowerShell) and collaboration skills. Proximity to a dynamic defense community is a plus.