VDI Administrator

We are seeking a VDI Administrator to support the day-to-day operation, maintenance, troubleshooting, and sustainment of an enterprise Virtual Desktop Infrastructure (VDI) environment utilizing VMware ESXi/vSphere, Omnissa Horizon, 10ZiG thin/zero clients, Microsoft Azure, Active Directory, and Microsoft 365. This position is ideal for an IT professional looking to develop hands-on experience supporting enterprise virtualization and cloud-based desktop environments., * Monitor and maintain VDI infrastructure, desktop pools, virtual machines, and endpoint devices

• Troubleshoot user connectivity, login, desktop, application, and peripheral issues
• Perform routine VM, Horizon, Windows, and endpoint administration
• Assist with desktop image updates, software deployments, patches, and configuration changes
• Support user accounts, group memberships, permissions, and desktop entitlements
• Investigate system alerts and performance issues and escalate complex problems to senior engineers
• Maintain accurate technical documentation, procedures, and support records
• Participate in maintenance activities, system upgrades, testing, and disaster-recovery exercises

• 1-3 years of experience in IT systems administration, desktop support, virtualization, or infrastructure operations
• Basic working knowledge of VMware vSphere/ESXi and virtual machines
• Experience administering or troubleshooting Windows 10/11 and Windows Server
• Basic knowledge of Active Directory, Group Policy, DNS, and DHCP
• Experience troubleshooting desktop, network, application, and user-access issues
• Familiarity with PowerShell or Windows command-line tools
• Ability to follow established procedures, document work, and escalate complex issues appropriately
• Strong customer-service, communication, and problem-solving skills
• CompTIA Security+ certification
• Top Secret Security Clearance

Preferred Experience:

• Experience supporting Omnissa/VMware Horizon, Horizon Client, Horizon Agent, or virtual desktop pools
• Experience with 10ZiG or other thin/zero-client technologies
• Familiarity with Microsoft Azure, Entra ID, and Microsoft 365
• Basic understanding of virtual networking, VLANs, firewalls, and load balancing
• Experience with PowerShell scripting or automation
• Exposure to VMware vCenter, Horizon Connection Servers, UAG, App Volumes, or Dynamic Environment Manager
• Familiarity with enterprise monitoring, ticketing, patching, backup, and configuration-management processes
• VMware, Microsoft, Azure, CompTIA, or similar industry certifications, The ideal candidate is a hands-on IT professional with a strong troubleshooting mindset who wants to build a career in enterprise VDI and cloud infrastructure. Experience with Horizon is beneficial but not necessarily required if the candidate has solid Windows, VMware, networking, or systems-administration fundamentals and demonstrates the ability and desire to learn.

Radiance Technologies is an employee-owned company with benefits that are unmatched by most companies in the Dayton OH area. Employee ownership, generous 401K, full health/dental/life/vision insurance benefits, paid time off, educational reimbursement, competitive salaries, interesting assignments and a pleasant work environment combine to make Radiance Technologies a great place to work and succeed.