Virtualization Systems Administrator – TS/SCI w/Poly

General Dynamics Information Technology

Virtualization Systems Administrator supporting Infrastructure Services for national defense. Responsible for operation and security of enterprise virtual server environments across multiple networks.

Posted 6/13/2026full-timeAnnapolis Junction • Colorado, District of Columbia, Florida, Maryland, Virginia • 🇺🇸 United StatesMid-LevelSenior💰 $96,569 - $130,651 per yearWebsite

Tech Stack

Tools & technologies

LinuxVMware

About the role

Key responsibilities & impact

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.

Requirements

What you’ll need

4+ years of related experience
US Citizenship Required: Yes
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.
Meet DoD 8140 Information Assurance Workforce certification requirements (e.g., Security+ CE, etc.)
Bachelor’s degree in an IT-related field or 8+ years of relevant IT experience in lieu of a degree for Systems Administrator Senior
Bachelor’s degree in an IT-related field or 10+ years of relevant IT experience in lieu of a degree for Systems Administrator Principal.

Benefits

Comp & perks

Comprehensive benefits and wellness packages
401K with company match
Paid time off
Full flex work weeks where possible
Vacation, sick and personal time, holidays, paid parental, military, bereavement and jury duty leave
Short and long-term disability benefits
Life, accidental death and dismemberment, personal accident, critical illness and business travel and accident insurance.

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills & Tools

VMwareHyper-VvCenterWindows server administrationLinux server administrationpatch managementvulnerability remediationSTIG compliancehypervisor lifecycle managementtroubleshooting

Soft Skills

analytical skillsdocumentation skills

Certifications

Security+ CEDoD 8140 Information Assurance Workforce certification