On-site Linux Systems Engineer – Closed-Network Ops

CTRL + LLC; Maryland; On-site; USD 135,000 - 149,000; Full time

Benefits offered by this job

10% employer 401(k) non-elective match

Life insurance and short-/long-term

Medical, dental and vision coverage

Employee Assistance Program

Training reimbursement

Tech/equipment reimbursement

Referral bonus programs

Team events

Job summary

Ctrl+ is seeking a Linux Systems Administrator in Annapolis Junction, MD to on-site support a multi-site mission system. TS/SCI with polygraph clearance is required; no sponsorship for clearances. You will administer Linux servers, automate tasks with Bash and Python, and document configurations.

You will work with container runtimes (Docker/Podman), basic network switches, and security compliance guidelines to keep systems secure and compliant across locations. On-site attendance is required.

Qualifications

• 7 years of relevant experience in Linux administration.
• Bachelor’s degree in Computer Science or related discipline.
• Proficient with Linux command-line tools.
• Experience with Bash and Python automation scripts.
• Familiarity with security compliance for government systems.
• Basic Cisco switch configuration.
• Experience with Docker, Podman or containerd.
• Strong technical documentation skills.

Responsibilities

• Administer and maintain Linux systems across multiple sites.
• Automate operational and maintenance tasks with Bash and Python.
• Ensure systems meet established security compliance policies.
• Support basic network switch configuration.
• Support containerized services and tooling.
• Create and maintain clear technical documentation.

Skills

Linux administration

Bash scripting

Python scripting

Security compliance

Cisco switches

Docker/Podman

Documentation

Education

Bachelor's degree in Computer Science or related discipline

Tools

Docker/Podman

Jira

Confluence

NetApp storage

vSphere

Job description

Ctrl+ is seeking a Linux Systems Administrator in Annapolis Junction, MD to on-site support a multi-site mission system. TS/SCI with polygraph clearance is required; no sponsorship for clearances. You will administer Linux servers, automate tasks with Bash and Python, and document configurations.

You will work with container runtimes (Docker/Podman), basic network switches, and security compliance guidelines to keep systems secure and compliant across locations. On-site attendance is required.