Senior Linux Systems Administrator, SME — TS/SCI

General Dynamics Information Technology; Maryland; On-site; USD 170,000 - 230,000; Full time

Job summary

General Dynamics Information Technology is seeking a Systems Administrator SME – Linux to support a high‑visibility, mission critical environment in Maryland. The role emphasizes rock‑solid Linux expertise, with leadership in system modifications, automation, and security adherence.

You’ll work with virtualization platforms and cloud environments while coordinating with ISSO and developers to ensure reliable operations and timely patch management.

Qualifications

• Bachelor’s degree in a technical field.
• 10+ years of related experience.
• SME-level proficiency with Linux operating systems.
• Active TS/SCI with polygraph.
• US citizenship and clearance eligibility.
• Experience with virtual machines, Thin Clients, switches, and networking.

Responsibilities

• Install, configure, manage, and maintain Linux systems including virtualization and cloud environments.
• Determine network specifications and resolve hardware/software compatibility issues.
• Implement security measures, conduct audits, and ensure compliance with policies.
• Collaborate with developers and IT stakeholders for system integration and maintenance.
• Develop scripts and automation tools to improve efficiency.
• Maintain systems with patches and upgrades while validating compatibility.
• Create and update system documentation and configurations.

Skills

Linux

System Improvements

System Performance

Virtual Machines

Education

Bachelor’s degree in a technical field

Tools

AWS

Job description

General Dynamics Information Technology is seeking a Systems Administrator SME – Linux to support a high‑visibility, mission critical environment in Maryland. The role emphasizes rock‑solid Linux expertise, with leadership in system modifications, automation, and security adherence.

You’ll work with virtualization platforms and cloud environments while coordinating with ISSO and developers to ensure reliable operations and timely patch management.