Horizon VDI Administrator

Zachary Piper Solutions

is seeking a

Horizon VDI Administrator

to support secure, high-performance

virtual desktop infrastructure (VDI)

environments across multiple classified and unclassified Department of Defense (DoD) networks. This individual will play a key role in maintaining mission readiness by ensuring reliable, compliant, and optimized VMware Horizon deployments. The ideal candidate will bring hands-on expertise in

VDI engineering, security hardening (DISA STIGs), and automation

to keep virtual desktop environments secure, efficient, and audit-ready.

This position is

on-site

in Alexandria, VA

, an requires an

active TS/SCI clearance

.

Responsibilities of the Horizon VDI Administrator: Engineer, configure, and maintain

VMware Horizon VDI

environments supporting both classified and unclassified networks. Apply

DISA STIGs

and support

RMF/ATO

compliance activities to meet DoD cybersecurity requirements. Manage and update

gold images

, application layers (App Volumes), and Dynamic Environment Manager (DEM) configurations. Troubleshoot user access issues, performance degradation, and system incidents, ensuring continuous availability and reliability. Collaborate with system engineers, cybersecurity analysts, and network teams to align on configuration standards and deployment timelines. Automate routine administrative tasks and compliance checks using

PowerShell / PowerCLI

scripting. Maintain documentation for configurations, patching cycles, and audit reports within

eMASS

and other DoD compliance tools. Support security remediation efforts by leveraging tools such as

ACAS

,

HBSS

, and

SCAP Compliance Checker

. Participate in off-hours maintenance windows for patching, upgrades, and system optimizations as needed. Qualifications for the Horizon VDI Administrator:

Bachelor's degree in Computer Science, Information Technology, Engineering, or a related discipline. 5+ years

of experience in systems engineering, virtualization, or VDI administration. Proven expertise with

VMware Horizon (Instant Clones, App Volumes, DEM)

and

vSphere / ESXi

. Proficiency in

Windows Server, Active Directory, and PowerShell scripting

. Experience applying

DISA STIGs

, supporting

RMF/eMASS

processes, and managing compliance documentation. Familiarity with

ACAS

,

HBSS

, and

SIEM

tools for system monitoring and vulnerability management. Understanding of

TLS/FIPS

configuration and secure network protocols. Ability to work on-site in a

classified environment (up to IL6)

; U.S. Citizenship required. Preferred: Experience with

VMware NSX-T or F5/NSX Advanced Load Balancer

,

vGPU integration (NVIDIA A16/A40 or AMD)

,

Zero Trust Architecture

, or

Horizon Cloud on Azure/AWS GovCloud

. Familiarity with automation and DevOps tools such as

Packer, Ansible, and Terraform

is a plus. Compensation and Benefits:

$135,000 - $155,000 ( Dependent on experience ) Comprehensive Benefits:

Medical, Dental, Vision, 401(k), PTO, Sick Leave (as required by law), and Holidays

#LI-ONSITE

#LI-EA1

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