VDI Systems Administrator

General information

Requisition #

R71445

Locations

USA-FL-Doral

Posting Date

10/16/2026

Security Clearance Required

Top 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 VDI Systems Administrator to join our team in Doral, FL.

Responsibilities include but are not limited to:

• Installing, configuring, administering, and troubleshooting enterprise Virtual Desktop Infrastructure (VDI) environments (e.g., VMware Horizon, Citrix Virtual Apps and Desktops).
• Managing virtual desktop pools, golden image updates, user profiles, and virtual application publishing across operational networks.
• Performing routine system maintenance, hypervisor host patching, vulnerability updates, and diagnostic evaluations to maintain baseline performance.
• Monitoring virtual storage capacity, host resources, and system performance metrics to proactively resolve technical bottlenecks.
• Collaborating with cross-functional technical teams, network engineers, and site leadership to maintain optimal VDI availability.
• Maintaining accurate configuration management records, technical system documentation, and operational baseline inventories.
• Recommending and implementing continuous process improvements to streamline virtual desktop provisioning and user management.

Minimum Qualifications:

• Bachelor's degree in Computer Science, Information Technology, Systems Engineering, or a related field with 5+ years of experience in systems administration and desktop virtualization.

• OR a master's degree and 3+ or more years of relevant experience

• OR an associate's degree and 7+ or more years of relevant experience

• OR a high school diploma and 9+ or more years of relevant experience

• Proven experience administering, configuring, and supporting enterprise VDI environments (VMware Horizon, Omnissa, or Citrix).

• Strong background in hypervisor administration (vSphere/ESXi), Active Directory Group Policies (GPOs), virtual storage management, and user profile orchestration.

• Experience maintaining system baselines, configuration management controls, and patch management schedules.

• Experience creating, maintaining, and communicating complex technical documentation and virtual infrastructure baselines.

Preferred Qualifications:

• Relevant professional certifications such as VMware Certified Professional - Desktop and Mobility (VCP-DTM), Citrix Certified Associate - Virtualization (CCA-V), or CompTIA Security+.
• Prior experience supporting U.S. Military Command operations, Combatant Command environments, or Department of Defense enterprise technical environments.
• Familiarity with DoD STIG implementation, automated patch management, and vulnerability scanning tools (ACAS).
• Demonstrated ability to collaborate effectively across multi-disciplinary engineering teams in fast-paced operational environments.

Clearance Requirements:

• Must hold a current/active top secret security clearance.

Physical Requirements:

• Must be able to remain in a stationary position 50%.
• Needs to occasionally move about inside the office to access file cabinets, office machinery, etc.
• Frequently communicates with co-workers, management, and customers, which may involve delivering presentations. Must be able to exchange accurate information in these situations.

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.