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# Virtualization Administrator

- **Company:** ASGN Incorporated
- **Location:** Linthicum Heights, MD, United States
- **Experience:** Expert
- **Salary:** $162,240.0 - $235,040.0
- **Contract:** Permanent contract
- **Skills:** Microsoft Windows, Active Directory, Bash Shell, Cloud Computing, Cluster Analysis, Cyber Security, Information Systems, Computer Networks, System Configuration, Linux, VMware ESX Servers, Monitoring of Systems, Subnetting, Python (Programming Language), Lightweight Directory Access Protocols (LDAP), Windows Servers, Routing, Performance Tuning, PowerCLI, Windows PowerShell, Storage Virtualization, User Environment Management, VCloud, Virtual Local Area Networks, Virtual Machines, Virtualization Technology, VMware Virtualization, VMware VSphere, Apex Code, System Availability, Information Technology, SolarWinds (Software), Vcenter, Splunk, Vmware
- **Published:** November 6, 2026
- **Apply:** https://www.clearancejobs.com/jobs/9293949/virtualization-administrator

## About the Role

8+ years of relevant experience with a Bachelor's degree, 6+ years with a Master's degree, or 10+ years with an Associate's degree. Additional years of relevant experience may be considered in lieu of a completed degree.

 - Demonstrated experience designing, architecting, building, and administering VMware environments utilizing vSphere, vCenter, and ESXi.
 - Experience managing Windows Server operating systems, Active Directory, Group Policy, and enterprise domain environments.
 - Experience supporting virtual machine lifecycle management, resource optimization, HA, DRS, storage integration, and virtualization performance tuning.
 - Knowledge of enterprise server administration and infrastructure management best practices.
 - Experience supporting secure information systems and maintaining compliance within controlled environments.
 - DoD8570 IAT Level II certification (e.g., Security +) is required.
 - Ability to troubleshoot complex system, virtualization, and infrastructure issues.
 - Strong communication and documentation skills., Bachelor's or Master's degree in Information Systems, Computer Science, Information Technology, or a related technical discipline.
 - VMware certification such as VCP\-DCV, VCAP, or equivalent virtualization certification.
 - Experience with VMware Cloud Foundation, Horizon VDI, vSAN, and/or NSX.
 - Experience supporting systems operating within established cybersecurity frameworks and compliance standards.
 - Experience installing, configuring, and maintaining enterprise hardware in networked environments.
 - Enterprise server architecture and infrastructure design experience.
 - Knowledge of networking concepts including routing, switching, VLANs, and subnets.
 - Experience with Active Directory, LDAP, SAN, and NAS technologies.
 - Familiarity with enterprise monitoring and management tools such as SolarWinds, Splunk, or HBSS.
 - Scripting and automation experience utilizing PowerShell, PowerCLI, Python, or Bash.
 - Experience creating, maintaining, and deploying enterprise system images.
 - Experience supporting system certification and accreditation processes.
 - Technical certifications in Windows, Linux, networking, cloud, or infrastructure technologies.

## Description

Apex Systems is currently hiring a Virtualization Administrator with a large federal client. In this role, you will be responsible for designing, building, and maintaining enterprise virtualization infrastructure supporting secure, multi\-user, multi\-enclave environments. You will play a critical role in ensuring the performance, security, availability, and reliability of virtualized systems that support mission\-critical operations., Build, architect, and design enterprise VMware virtualization environments utilizing vSphere, vCenter, and ESXi.

 - Administer and maintain Windows Server operating systems, Active Directory, and domain architecture.
 - Design and implement virtual machine provisioning, resource allocation, clustering, high availability (HA), Distributed Resource Scheduler (DRS), and vMotion configurations.
 - Maintain reliable operation of virtual and physical infrastructure in a complex multi\-user environment.
 - Analyze customer requirements and determine hardware, software, and virtualization solution requirements.
 - Recommend, implement, and document enhancements to improve virtualization platform performance, scalability, and reliability.
 - Install, configure, patch, monitor, troubleshoot, and maintain virtualization hosts and management consoles.
 - Support enterprise server management, infrastructure modernization, and virtualization best practices.
 - Assist with system security compliance, accreditation activities, and operational readiness requirements.
 - Perform root\-cause analysis and resolve infrastructure issues impacting system availability and performance.