Senior VDI & Linux Systems Administrator (TS/SCI)

CACI; Jessup (MD); On-site; USD 103,800 - 218,100; Full time

Job summary

At CACI, we seek a senior Virtual Desktop Infrastructure Administrator with strong Linux knowledge to lead and support high-assurance IT environments, including UNIX, Linux, and Windows systems.

The role requires TS/SCI with Poly, a technical degree, and extensive ITSM experience, plus DoD 8570 IAT Level III certification; you will drive security, architecture, and operations across enterprise IT platforms.

Qualifications

• Bachelor’s degree in a technical discipline or 4 years of additional experience substitute.
• 20+ years of System Administrator experience on programs of similar scope and complexity.
• 8+ years IT Service Management (ITSM) experience.
• DoD 8570 IAT Level III certification (e.g., CASP+, CISSP).
• CE Certification for Microsoft OS, CentOS, or Red Hat OS.
• ITIL 4 certification.

Responsibilities

• Oversee and support implementation, configuration, maintenance, and troubleshooting of enterprise IT systems.
• Manage operation and configuration of server, storage, and network systems including mobile devices.
• Provide Tier 1–3 support with advanced issue escalation and root cause analysis.
• Document security patches (IAVA) and ensure system-of-record accuracy.

Skills

Security clearance TS/SCI with Poly

Leadership experience

Senior System Administrator

Education

Bachelor’s degree in a technical discipline

Tools

CentOS

Red Hat OS

Microsoft OS

Job description

At CACI, we seek a senior Virtual Desktop Infrastructure Administrator with strong Linux knowledge to lead and support high-assurance IT environments, including UNIX, Linux, and Windows systems.

The role requires TS/SCI with Poly, a technical degree, and extensive ITSM experience, plus DoD 8570 IAT Level III certification; you will drive security, architecture, and operations across enterprise IT platforms.