TS/SCI Cleared Linux Systems Administrator (RHEL)

CACI International Inc; Fort Meade (MD); On-site; USD 103,800 - 218,100; Full time

Job summary

CA CI International Inc. Fort Meade, MD is seeking a Linux Systems Administrator II to support a critical mission. This role involves day‑to‑day Linux system administration, deploying and securing Linux servers, and maintaining virtualization and network resources.

Candidates should have 3+ years of Linux admin experience, Red Hat experience, CompTIA Security+, and a Bachelor's degree; ten years SA experience may substitute for a degree. Competitive salary and benefits offered.

Qualifications

• Proficient with Linux, including hands‑on experience with Red Hat Enterprise Linux (RHEL).
• Minimum of three (3) years of recent Linux system administration experience (within the last 3 years).
• Experience patching and upgrading Linux servers and networking resources.
• Virtualization/VM experience.
• COMPTIA Security+ certification.

Responsibilities

• Perform day‑to‑day Linux system administration tasks across enterprise environments.
• Deploy, configure, secure, and maintain Linux servers and associated services.
• Monitor, patch, and upgrade Linux servers and network‑connected resources (routers, switches, firewalls).
• Maintain and upgrade virtualized environments, including VMs and underlying hardware resources.
• Implement and support security compliance controls and document non‑applicable items as required.
• Assist with installation, configuration, and integration of new or replacement Linux‑based hardware and software.
• Integrate hardware/software solutions into existing network infrastructure.
• Support the decommissioning and removal of outdated or replaced systems.
• Maintain accurate documentation of system inventory changes and configuration updates.

Skills

Linux

RHEL

Virtualization

Security+

Education

Bachelor's degree in a technical discipline

Ten years SA experience may substitute for Bachelor's degree

Tools

VMware

Nutanix

Rubrik

Nomad

Ansible

LibreNMS

NetBox

Job description

CA CI International Inc. Fort Meade, MD is seeking a Linux Systems Administrator II to support a critical mission. This role involves day‑to‑day Linux system administration, deploying and securing Linux servers, and maintaining virtualization and network resources.

Candidates should have 3+ years of Linux admin experience, Red Hat experience, CompTIA Security+, and a Bachelor's degree; ten years SA experience may substitute for a degree. Competitive salary and benefits offered.