Senior VMware Administrator – Federal IT & VDI

SMS Data Products Group, Inc.; Springfield (VA); On-site; USD 103,000 - 115,000; Full time

Job summary

SMS Data Products Group, Inc. is seeking an experienced Senior Virtualization Administrator to design, implement, and maintain a resilient VMware-based infrastructure for the DTRA program.

You will manage ESXi hosts, vCenter, and Horizon environments across multiple sites, ensuring security, performance, and reliability for critical federal IT operations. The role requires TS/SCI clearance and DoD 8140/8570 certification, with strong hands-on VMware expertise and a focus on documentation,

Qualifications

• BS degree and 8–12 years of prior relevant experience or Masters with 6–10 years of prior relevant experience
• Current Top Secret/SCI clearance
• DoD 8140 or DoD 8570 Certification (Security+ CE or equivalent)
• Proven ability to manage and troubleshoot VMware vSphere infrastructure
• Experience with VMware technologies including ESXi, vCenter Server, vSAN, and vSphere Networking
• Experience with Omnissa Horizon 7/8, App Volumes, Dynamic Environment Manager, and UAGs
• Experience with Microsoft Active Directory, Windows Server 2016/2019/2022, and FSlogix
• Experience Dell Wyse client management
• Strong understanding of virtualization concepts, practices, and procedures
• Ability to review, modify, and prepare comprehensive documentation for virtualization tasks

Responsibilities

• Deploy and maintain VMware ESXi hosts, vCenter Server, and virtual machines across multiple sites
• Configure and manage core Omnissa Horizon components including connection brokers, gateways, profile management, and load balancing
• Provide performance tuning, troubleshooting, and optimization of VDI environments
• Undertake regular maintenance, updates, and patches to ensure security and reliability of the virtual infrastructure
• Collaborate with infrastructure teams to integrate VDI with network, storage, and security frameworks
• Monitor and optimize virtual infrastructure performance, resource utilization, and availability
• Implement and manage VMware networking components such as distributed switches and VLANs
• Troubleshoot VMware virtualization issues including bottlenecks and connectivity problems
• Design and implement infrastructure solutions aligning with command requirements
• Mentor junior administrators and foster virtualization knowledge
• Implement backup and disaster recovery for VMs and components
• Develop and maintain virtualization architecture documentation
• Evaluate new VMware technologies to enhance performance and efficiency
• Support projects to improve security, efficiency, or capability of the virtualized environment
• Coordinate with vendors for troubleshooting and resolution
• Ensure compliance with security policies and best practices

Skills

VMware proficiency

Troubleshooting

Documentation

Education

Bachelor's degree in CS/Engineering

Master's degree in CS/Engineering

Tools

VMware ESXi

vCenter Server

vSAN

Omnissa Horizon 7/8

App Volumes

Dynamic Environment Manager

UAGs

Active Directory

Windows Server 2016/2019/2022

FSlogix

Dell Wyse

Job description

SMS Data Products Group, Inc. is seeking an experienced Senior Virtualization Administrator to design, implement, and maintain a resilient VMware-based infrastructure for the DTRA program.

You will manage ESXi hosts, vCenter, and Horizon environments across multiple sites, ensuring security, performance, and reliability for critical federal IT operations. The role requires TS/SCI clearance and DoD 8140/8570 certification, with strong hands-on VMware expertise and a focus on documentation,