Systems Administrator – Virtualization, VDI, Citrix

SHR Consulting Group

Systems Administrator role managing Citrix and VDI environments for SHR Consulting Group. Providing Tier III system administrative support in a fast-paced government tech environment.

Posted 5/12/2026full-timeArlington • Virginia • 🇺🇸 United StatesMid-LevelSeniorWebsite

Tech Stack

Tools & technologies

CitrixDNSVMware

About the role

Key responsibilities & impact

Operate, update, and maintain the JSP Citrix capabilities, including Citrix images and the network appliances supporting Citrix (load balancers, NetScalers )
Configure, maintain, and sustain JSP and JPH VDI/DaaS desktop services; provide O&M, administration, desktop hosting, virtual machine, storage, directory, desktop connection, virtual management, and database services in coordination with other operational entities
Maintain desktop image repositories and perform recomposes; develop and sustain virtualization of applications using Microsoft App-V, ThinApp , or SCCM/MECM, including creating, updating, and testing application packages and user profiles
Perform management and maintenance of VMware software (vCenter, View, Horizon) and supporting hyper-converged infrastructure (Nutanix, Dell, HP)
Maintain VDI/Citrix servers, including patching, monitoring, and STIG compliance; ensure all system applications remain operationally compliant with DoD and STIG standards and IAVA requirements
Create and maintain VDI pools for user communities; develop and maintain SOPs for the VDI environment
Use the JSP VDI monitoring tools to monitor session health and performance; identify, analyze, and resolve issues across configured systems, sub-components, application services, message flows, and communications ports
Provide endpoint VDI client configuration support, baseline image, and patch level maintenance, and recompose activities aligned with the published VDI Image Test and Deployment Schedule
Coordinate with JSP/JPH branches for network connectivity, CSR space, physical/network security, DNS, and backup and restoral services for the virtual desktop solution
Follow JSP Enterprise configuration management processes for all modifications and meet Group 1 restoral times (CCIR Priority 1 – 2 hours; Priority 2 – 4 hours; Priority 3 – 6 hours) more than 90% of the time.

Requirements

What you’ll need

Five (5) or more years of hands-on experience administering Citrix (XenApp/ XenDesktop /Virtual Apps and Desktops) and/or VMware Horizon VDI in a large enterprise environment
Strong experience with VMware vSphere/ ESXi 6.0 or greater, vCenter, and Horizon View; VMware Certified Professional (VCP) certification strongly preferred
Experience with Citrix supporting infrastructure, including NetScaler/ADC and load balancers
Working experience with application virtualization tools (Microsoft App-V, ThinApp ) and software deployment via SCCM/MECM
Knowledge of hyper-converged infrastructure platforms (Nutanix AOS, Dell, HP) and software-defined storage concepts
Working knowledge of Active Directory, DNS, DHCP, Group Policy, and CAC/PKI integration with virtual desktops
Experience implementing DoD STIGs against VDI/Citrix components and supporting IAVM remediation
Strong troubleshooting, written, and verbal communication skills; ability to support after-hours and on-call work for service restoration.

Benefits

Comp & perks

Competitive salary based on experience
Comprehensive benefits package including health, dental, vision, and retirement plans
Paid time off and holidays

ATS Keywords

✓ Tailor your resume

Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools

CitrixVMware HorizonvCentervSphereESXiMicrosoft App-VThinAppSCCMMECMActive Directory

Soft Skills

troubleshootingwritten communicationverbal communicationsupport after-hourson-call support

Certifications

VMware Certified Professional