Senior VDI & Linux Systems Administrator

CACI International

Maryland

On-site

USD 104,000 - 218,000

Full time

14 days+

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Benefits offered by this job

Flexible time off

Robust learning resources

Healthcare benefits

Job summary

CACI International is seeking a seasoned Virtual Desktop Infrastructure Administrator with strong Linux knowledge to lead and support complex enterprise IT environments, including UNIX, Linux, and Windows systems.

The role emphasizes architecture support, advanced troubleshooting, and security compliance across high-assurance systems. A TS/SCI with polygraph clearance is required, with extensive ITSM and DoD certifications valued.

Qualifications

TS/SCI with Polygraph required; no waiver.
Bachelor’s degree in a technical discipline (4 years of additional experience may substitute).
20+ years of experience as a System Administrator on programs of similar scope and complexity.
8+ years of experience with IT Service Management (ITSM).
DoD 8570 IAT Level III certification (e.g., CASP+, CISSP, or equivalent).
Computing Environment (CE) Certification (Microsoft OS, CentOS, or Red Hat OS).
ITIL 4 certification.

Responsibilities

Apply working knowledge of mission islands, Trusted Thin Client, and enhanced Virtual Desktop Infrastructure (VDI) environments, including GPU and memory scaling.
Oversee and support the implementation, configuration, maintenance, and troubleshooting of enterprise IT systems.
Manage the operation and configuration of server, storage, and network systems, including mobile device environments.
Deliver Tier 1 through Tier 3 support, including advanced issue escalation and root cause analysis.
Provide detailed technical feedback and reporting to agency leadership and internal customers.
Lead system account management, ensuring full compliance with ICAM policies.
Implement and document security patches (IAVA) and maintain system-of-record accuracy.
Conduct in-depth analysis for system capacity planning and performance optimization.
Configure and manage UNIX, Linux, and Windows operating systems; apply enhancements to improve reliability and efficiency.
Work with ISSOs and ISOs on change and configuration management processes.
Track and report progress of POA&M milestones, supporting accreditation and security authorization activities.
Troubleshoot complex integration issues involving server hardware, mission applications, and middleware.
Design and support mission architectures and associated hardware platforms.
Understand and address dependencies within Service-Oriented Architecture (SOA) environments.