VDI Systems Administrator with Security Clearance

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.