Senior Systems Administrator (TS/SCI) — Enterprise IT Security & Automation

CACI International Inc; Fort Meade (MD); On-site; USD 120,800 - 265,800; Full time

Job summary

CACI International Inc is seeking a Systems Administrator in Fort Meade, MD to maintain and secure enterprise IT infrastructure in a DoD environment. The role requires a TS/SCI clearance with a current polygraph, a bachelor’s degree, and hands-on experience with Windows and Linux servers, firewalls, VPNs, and virtualization.

The candidate will implement automation with Python and Ansible, manage security compliance, and ensure high availability with monitoring and vulnerability scanning.

Qualifications

• Active TS/SCI clearance with a current Polygraph.
• Bachelor's degree in Information Technology, Computer Science, Engineering, or related field (additional relevant experience may be substituted for education).
• 10+ years of progressive Systems Administration experience supporting enterprise IT infrastructure in secure environments.
• DoD 8570/8140 IAT Level II certification (Security+, CySA+, CCNA Security, or equivalent).

Skills

Active TS/SCI clearance with polygraph

10+ years Systems Administration

DoD 8570/8140 IAT Level II cert

Education

Bachelor's degree in IT, CS, Engineering, or related field

Tools

Cisco ASA

Cisco Firepower

Palo Alto firewalls

IPSEC VPN

VMware

Python

Bash

Ansible

Windows Server

Linux

Nessus

Job description

CACI International Inc is seeking a Systems Administrator in Fort Meade, MD to maintain and secure enterprise IT infrastructure in a DoD environment. The role requires a TS/SCI clearance with a current polygraph, a bachelor’s degree, and hands-on experience with Windows and Linux servers, firewalls, VPNs, and virtualization.

The candidate will implement automation with Python and Ansible, manage security compliance, and ensure high availability with monitoring and vulnerability scanning.