General information Requisition # R69968 Locations USA-FL-Key West Posting Date 08/11/2026 Security Clearance Required Secret Remote Type Onsite Time Type Full time Description & Requirements Shape the future of defense with MANTECH! Join a team dedicated to safeguarding our nation through advanced tech and innovative solutions. Since 1968, we've been a trusted partner to the Department of Defense, delivering cutting-edge projects that make a real impact. Dive into exciting opportunities in Cybersecurity, IT, Data Analytics and more. Propel your career forward and be part of something extraordinary. Your journey starts now—protect and innovate with MANTECH! MANTECH seeks a motivated, career and customer-oriented Virtual Desktop Infrastructure Administrator to join our team in Key West, FL. This position is on-site 5 days a week. Responsibilities include but are not limited to: Manages the functionality and efficiency of a group of computers running on one or more operating systems Work side-by-side with the engineer to maintain and deploy VDI thin clients Work directly with

SCCM/MECM

to ensure patching/security compliance is handled and with the Service Desk department to troubleshoot issues with the hardware/software Keeping master image and pools update and secured. Implement patches, updates, and configuration changes in coordination with cybersecurity and IT teams Interface with the customer, gathering requirements and delivering solutions. Troubleshoot VDI-related issues, including user access, performance, connectivity, and software compatibility Monitor system performance and usage to identify bottlenecks or failure points and recommend improvements

Minimum Qualifications:

Bachelor's degree in relevant field. A degree can be substituted for additional experience. High School Diploma and 4 years of additional experience may be exchanged in lieu of a required bachelor's degree Associate's degree and 2 years of additional experience may be exchanged in lieu of a required bachelor's degree A master's degree is equivalent to an additional 2 years of experience and a PhD is equivalent to an additional 4 years of experience 5+ years of direct experience supporting VDI environments 10+ years of overall IT experience in system administration or related technical roles Experience with VMware Horizon, Citrix, or other major VDI solutions. Strong understanding of Windows Server, Active Directory, Group Policy, and networking fundamentals

Preferred Qualifications:

Master's degree or PhD in Information Technology, Cybersecurity, Computer Science, or related field. FSLogix and/or HorizonView Client experience preferred VMware Certified Professional (VCP), Citrix Certified Associate (CCA-V), or related certification. Experience at a DoD Combatant Command (e.g., SOUTHCOM, NORTHCOM, CENTCOM, CYBERCOM, INDOPACOM, EUCOM, AFRICOM, STRATCOM, TRANSCOM, SOCOM, SPACECOM) or a component is desired.

Clearance Requirements:

Must have an active Secret clearance. Must be eligible to obtain and maintain a TS/SCI clearance.

Physical Requirements:

The person in this position must be able to remain in a stationary position 50% of the time. Occasionally move about inside the office to access file cabinets, office machinery, or to communicate with co-workers, management, and customers, via email, phone, and or virtual communication, which may involve delivering presentations. MANTECH considers all qualified applicants for employment without regard to disability or veteran status or any other status protected under any federal, state, or local law or regulation. If you need a reasonable accommodation to apply for a position with MANTECH, please email us at careers@mantech.com and provide your name and contact information.