Linux Systems Administrator II — TS/SCI with Poly

CACI International; Fort Meade (MD); On-site; USD 104,000 - 218,000; Full time

Job summary

CACI International seeks a Linux Systems Administrator II to perform enterprise Linux administration in support of a critical mission based at Fort Meade, MD. You will deploy, secure, and maintain Linux servers, manage virtualization, and uphold security compliance across the environment.

Requirements include hands-on Linux (RHEL), 3+ years’ experience, and a CompTIA Security+ certification, with TS/SCI with Polygraph clearance preferred for start.

Qualifications

• Proficient with Linux including hands-on experience with Red Hat Enterprise Linux (RHEL).
• Minimum of three years of recent Linux system administration experience.
• Experience patching and upgrading Linux servers and networking resources.
• Virtualization experience.
• CompTIA Security+ certification.

Responsibilities

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• Support decommissioning and removal of outdated systems.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

Skills

Linux Systems Administration

RHEL

Virtualization

Security+

Documentation

Education

Bachelor's degree in a technical discipline

5 years SA experience may substitute for degree

Tools

Dell/HP Linux servers

Juniper/Cisco networking gear

Ansible/Nutanix/Rubrik

Nomad/LABEL SALT scripts

Job description

CACI International seeks a Linux Systems Administrator II to perform enterprise Linux administration in support of a critical mission based at Fort Meade, MD. You will deploy, secure, and maintain Linux servers, manage virtualization, and uphold security compliance across the environment.

Requirements include hands-on Linux (RHEL), 3+ years’ experience, and a CompTIA Security+ certification, with TS/SCI with Polygraph clearance preferred for start.