Virtualization Systems Administrator - TS/SCI w/Poly

General Dynamics - IT; Annapolis (MD); On-site; USD 85,000 - 120,000; Full time

Job summary

General Dynamics - IT is seeking a Virtualization Systems Administrator to ensure the operation, security, and performance of enterprise virtual environments across multiple networks. You will manage hypervisors, vCenter, and VM templates to support mission systems.

The role requires a relevant IT degree or substantial experience, DoD 8140 cert, TS/SCI clearance, and hands-on Linux/Windows admin, with a strong focus on patching, STIGs, and secure config.

Qualifications

• Senior requires a Bachelor’s degree or 8+ years IT experience in lieu of a degree.
• Principal requires a Bachelor’s degree or 10+ years IT experience in lieu of a degree.
• DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE).
• 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 patch management, vulnerability remediation, STIG compliance, and secure configurations.
• Experience supporting clustered environments, vCenter operations, and hypervisor lifecycle management.

Responsibilities

• 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

Skills

Troubleshooting

Documentation

Analytical thinking

US citizenship

Education

Bachelor’s degree in IT-related field

DoD 8140 Information Assurance certs (e.g., Security+ CE)

Tools

VMware

Hyper‑V

vCenter

Windows Server

Linux

Job description

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.

MEANINGFUL WORK AND PERSONAL IMPACT

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.

KEY RESPONSIBILITIES:

• 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

WHAT YOU’LL NEED TO SUCCEED:

• 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

GDIT IS YOUR PLACE

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

OWN YOUR OPPORTUNITY

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.

#CIS