VDI Systems Administrator

ASM Research•Oak Ridge, TN

About The Position

The VDI Systems Administrator will provide Tier III IT operations support across the Office of Information Management (OIM) and SC mission systems, with a focus on virtual desktop infrastructure (VDI) lifecycle management, performance optimization, and compliance. This role is responsible for operating and maintaining our VDI environment, primarily built on VMware Horizon, along with associated virtualization infrastructure (vSphere), ensuring secure, reliable, and compliant virtual desktop and application delivery in alignment with DOE directives. The ideal candidate will have strong expertise in VDI architecture, golden image management, policy enforcement, and automation, while supporting hybrid environments and evolving enterprise service delivery models.

Requirements

Bachelor’s Degree in Information Technology, Computer Science or a related field or equivalent relevant experience
7-10 years of experience in information technology, systems administration or other IT related field.
Demonstrated technical proficiency equivalent to industry-recognized certifications, such as: VMware Certified Professional (VCP-DTM or VCP-DCV) certification CompTIA Security+ or Network+
Proficiency in PowerShell scripting, Azure CLI, and automation tools for VDI and vSphere management.

Nice To Haves

Master’s Degree preferred.

Responsibilities

Administer and maintain the VMware Horizon VDI environment, including connection servers, security servers, Unified Access Gateways (UAGs), and instant clone/linked clone deployments.
Manage Windows virtual desktops and published applications, ensuring secure baselines and compliance with organizational policies.
Implement and enforce conditional access, Multi-Factor Authentication (MFA), and VDI security policies through Azure AD, VMware Access, and Group Policy.
Support various VDI use cases, including persistent and non-persistent desktops, ensuring proper resource allocation and user experience.
Provide Tier III support for VDI troubleshooting, virtual machine provisioning issues, and performance bottlenecks.
Oversee the provisioning, deployment, and retirement of virtual desktops and application layers across the enterprise.
Maintain accurate records of VDI pool inventories, compliance status, and lifecycle tracking.
Manage golden images, application delivery methods (e.g., App Volumes, MSIX App Attach), and user environment management solutions (e.g., DEM/UEM).
Collaborate with cybersecurity teams to remediate vulnerabilities identified through VDI compliance gaps and ensure secure configurations.
Continuously monitor VDI environment health, performance metrics (e.g., CPU, memory, IOPS, network latency), and user session quality.
Generate and deliver compliance and audit reports related to VDI usage, security postures, and resource consumption to leadership and stakeholders.
Detect and resolve VDI pool compliance failures, policy conflicts, and outages in line with Service Level Agreements (SLAs).
Track and report on license utilization for VDI components and resource consumption.
Maintain and update the Configuration Management Database (CMDB) with VDI infrastructure components, virtual desktop images, and configurations.
Submit all changes via the OIM-approved change management system in accordance with the Change Control Review (CCR) process.
Evaluate proposed changes for technical and cybersecurity risk, ensuring compliance with secure baselines.
Document and maintain VDI architecture, policies, Standard Operating Procedures (SOPs), and configuration records, reviewed quarterly or after major changes.