VDI Administrator with Security Clearance

Radiance Technologies; Alexandria (OH); On-site; USD 70,000 - 90,000; Full time

Benefits offered by this job

Employee ownership

401K

Health/dental/life/vision insurance

Paid time off

Educational reimbursement

Competitive salaries

Job summary

Radiance Technologies, an employee-owned company in the Dayton area, seeks a hands-on VDI Administrator to maintain and troubleshoot an enterprise VMware Horizon-based environment. You will manage VDI desktops, Horizon components, and endpoint devices, while ensuring security and reliability.

The ideal candidate has 1+ years in IT systems or virtualization, strong Windows administration skills, and basic PowerShell scripting.

Qualifications

• 1+ years in IT systems administration, desktop support, virtualization, or infrastructure operations.
• CompTIA Security+ certification (preferred).
• Top Secret Security Clearance (required).
• Fundamental VMware vSphere/ESXi and virtual machines knowledge.
• Experience with Windows 10/11 and Windows Server administration.
• Familiar with Active Directory, Group Policy, DNS, and DHCP.
• Strong troubleshooting and customer-service skills.

Responsibilities

• Monitor and maintain the VDI infrastructure, desktop pools, VMs, and endpoints.
• Troubleshoot user connectivity, login, desktop, and application issues.
• Perform routine VM, Horizon, Windows, and endpoint administration.
• Assist with image updates, software deployments, patches, and config changes.
• Support user accounts, group memberships, and desktop entitlements.
• Investigate alerts and escalate complex problems to senior engineers.
• Maintain technical documentation and support records.
• Participate in maintenance, upgrades, testing, and disaster recovery exercises.

Skills

VMware vSphere/ESXi

Windows 10/11 administration

Windows Server administration

PowerShell

Documentation & procedures

Customer service & communication

VMware Horizon/VDI basics

Networking basics (DNS/DHCP)

Tools

Omnissa Horizon

10ZiG thin/zero-client

Microsoft Azure

Active Directory

Microsoft 365

VMware Horizon components (Connection Servers, UAG, App Volumes, DEM)

Job description

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 elevate complex problems 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 elevate complex problems to senior engineers
• Maintain accurate technical documentation, procedures, and support records
• Participate in maintenance activities, system upgrades, testing, and disaster-recovery exercises

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.