Linux Systems Administrator II

CACI International•Fort Meade, MD

1d•$103,800 - $218,100•Onsite

About The Position

CACI is seeking a Linux Systems Administrator II to perform system administration functions in support of a critical mission based in Fort Meade, MD. This role provides the opportunity to support enterprise infrastructure, enhance system reliability, and contribute to secure, mission focused operations. CACI values technical excellence, integrity, and a commitment to supporting our customers’ most important challenges.

Requirements

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.
Ten (10) years experience as a Systems Administrator in programs and contracts of similar scope, type, and complexity is required.
Bachelor’s degree in a technical discipline from an accredited college or university is required.
Five (5) years of additional SA experience may be substituted for a Bachelor’s degree.

Nice To Haves

Dell and HPE Linux servers; Juniper and Cisco routers, switches, and firewalls; Palo Alto firewalls; Ansible; Nutanix – VM management; Rubrik – data storage; Nomad containers; SALT scripts; LibreNMS; NetBox.
CSP (Cloud Service Provider) – AWS and/or Azure.

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Support the decommissioning and removal of outdated or replaced systems.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.