Secure Linux Systems Administrator - Classified

The Johns Hopkins University Applied Physics Laboratory; Laurel (MD); On-site; USD 105,000 - 290,000; Full time

Benefits offered by this job

Comprehensive benefits package

Education assistance

Job summary

The Johns Hopkins University Applied Physics Laboratory seeks a Linux Systems Administrator to secure and operate Linux-based systems in classified environments. You will apply RMF/NIST controls, harden platforms, and support critical analysis facilities, working with engineers, cybersecurity staff, and program managers to ensure mission success.

On-site in secure facilities in Maryland, you will build, patch, and maintain infrastructure, integrate Linux with Windows for hybrid workflows, and

Qualifications

• Bachelor's degree in Computer Science, Information Technology, or related field, or equivalent experience.
• 5+ years of professional Linux systems administration in secure or complex environments.
• Experience with DoD Information Systems and RMF/NIST compliance.

Responsibilities

• Plan, build, deploy, maintain, and upgrade Linux-based infrastructure and grid servers.
• Implement security hardening standards and RMF/NIST controls.
• Support installation and management of engineering applications in secure environments (GitLab, MATLAB).
• Collaborate with engineers, cybersecurity staff, and program managers to ensure mission success.
• Develop and maintain operational documentation and SOPs for assigned networks.

Skills

Linux administration

RMF/NIST compliance

DoD information systems

Windows AD

Scripting

Education

Bachelor's degree in CS/IT or related field

MS degree preferred

Tools

GitLab

MATLAB

SPLUNK

ACAS

PURIFILE

Ansible

Job description

The Johns Hopkins University Applied Physics Laboratory seeks a Linux Systems Administrator to secure and operate Linux-based systems in classified environments. You will apply RMF/NIST controls, harden platforms, and support critical analysis facilities, working with engineers, cybersecurity staff, and program managers to ensure mission success.

On-site in secure facilities in Maryland, you will build, patch, and maintain infrastructure, integrate Linux with Windows for hybrid workflows, and