Virtualization Systems Administrator - TS​/SCI w​/Poly

VIRTUALIZATION SYSTEMS ADMINISTRATOR YOUR IMPACT

Own your opportunity to support national defense. Your work will help keep critical operations secure and connected across the global enterprise directly, contributing to a mission that protects our nation every day.

CIO Infrastructure Services (CIS) is growing, and we invite both our experienced incumbents and new team members to be part of what’s next. Incumbents bring invaluable mission insight, while new talent adds fresh ideas and energy. Together, we’ll strengthen continuity and drive the next generation of innovation.

As a Virtualization Systems Administrator supporting Infrastructure Services, you will be responsible for the operation, sustainment, and security of enterprise virtual server environments across multiple networks and enclaves. You will ensure stability, compliance, and performance of hypervisors, virtual machines, and compute clusters. You will support technical troubleshooting, implement configuration baselines, apply security controls, monitor systems health, and assist in the design and deployment of new virtual infrastructures.

• Administer, maintain, and optimize virtualized server environments including VMware, Hyper-V, and related hypervisor technologies
• Operate and maintain vCenter systems, including certificate lifecycle management, password oversight, and baseline updates
• Build, maintain, and troubleshoot virtual machines (Windows and Linux) to support mission applications and infrastructure services
• Monitor compute resource health, availability, and utilization; identify performance bottlenecks and recommend improvements
• Maintain configuration baselines for virtual hosts, hypervisors, VM templates, firmware, and golden images
• Maintain ATO compliance by supporting documentation, control implementation, and updates to system security baseline
• Perform timely patching of hypervisors, virtual appliances, guest operating systems, and associated tools
• Build and maintain virtual machine templates, configuration profiles, and provisioning workflows to support consistent deployments

• EXPERIENCE REQUIREMENTS:
  Virtualization Systems Administrator Senior - Requires a Bachelor’s degree in an IT‑related field or 8+ years of relevant IT experience in lieu of a degree.
  Virtualization Systems Administrator Principal - Requires a Bachelor’s degree in an IT‑related field or 10+ years of relevant IT experience in lieu of a degree.

• CERTIFICATION: Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE, etc.)

• CLEARANCE: Active TS/SCI clearance with a favorable polygraph

• Hands on experience administering enterprise scale virtualization platforms (VMware, Hyper‑V)
• Experience with Windows and Linux server administration in virtualized environments
• Strong background in patch management, vulnerability remediation, STIG compliance, and secure configurations
• Experience supporting clustered environments, vCenter operations, and hypervisor lifecycle management
• Strong troubleshooting, analytical, and documentation skills
• US citizenship required
• LOCATION: Onsite

At GDIT, the mission is our purpose, and our people are at the center of everything we do.
Growth: AI-powered career tool that identifies career steps and learning opportunities
Support:
An internal mobility team focused on helping you achieve your career goals
Rewards:
Comprehensive benefits and wellness packages, 401K with company match, and competitive pay and paid time off
Community:
Award-winning culture of innovation and a military-friendly workplace

Explore an enterprise IT career at GDIT and you’ll find endless opportunities to grow alongside colleagues who share your desire to drive operations forward.

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