Senior Virtualization Systems Admin - Enterprise Security

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

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.