VDI Administrator

About this role

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.

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.

Required Experience: • 1+ years of experience in IT systems administration, desktop support, virtualization, or infrastructure operations • CompTIA Security+ certification • Top Secret Security Clearance • 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

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

Responsibilities: • 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

Ideal Candidate: 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 Equal Opportunity Employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, or protected veteran status.

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