Senior VDI Administrator

Leidos LLC; Alexandria (VA); On-site; USD 92,000 - 167,000; Full time

Job summary

Leidos is seeking a Senior VDI Administrator to support a large enterprise IT contract for the DoD. The role involves remote admin of offsite data centers, Tier 2/3 support for Citrix XenDesktop/XenApp/NetScaler/StoreFront and AVD, and collaboration with engineering for modernization.

You will help ensure reliability, security, and user satisfaction across enclaves. The position requires DoD 8140.03 certifications (or higher) and TS/SCI with poly, US citizenship, and a relevant degree with

Qualifications

• DoD 8140.03 IT System Admin Intermediate certs required (Cloud+, GICSP, SSCP, Security+ CE, GSEC or higher).
• TS/SCI with Poly required for position or willingness to obtain and maintain a poly.
• US citizenship required.
• Experience with Citrix technologies and M365 AVD in large enterprise environments.

Responsibilities

• Remote administration of servers in offsite data centers (Tier 2/3 support).
• Maintain and upgrade Citrix-based desktops and apps, monitor health and capacity.
• Collaborate with engineering for modernization and deployment of policies.
• Develop SOPs, perform incident analysis, and provide after-action reports.
• Mentor junior staff and assist with after-hours mission-critical work.

Education

Bachelor's degree

Master's degree

Associate's degree

High School Diploma

Tools

Citrix XenDesktop

Citrix XenApp

Citrix NetScaler

Citrix StoreFront

Microsoft 365 Azure Virtual Desktop (AVD)

ServiceNow

Job description

Unleash Your Potential At Leidos, we deliver innovative solutions through the efforts of our diverse and talented people who are dedicated to our customer’s success. We empower our teams, contribute to our communities, and operate sustainably. Everything we do is built on a commitment to do the right thing for our customers, our people, and our community. Our Mission, Vision, and Values guide the way we do business. If this sounds like an environment where you can thrive, keep reading!

The Mission

Leidos is seeking a Senior VDI Administrator to support a large enterprise IT contract for the DOD. The Administrator will provide operations support to customers across multiple geographic locations. They will provide operations and maintenance support to existing virtual desktop environments across multiple enclaves and assist with the implementation of new solutions. The administrator will help drive adoption of trusted thin-client platforms and virtual desktops across a diverse user base by focusing on improving the reliability, functionality, and user experience of the systems. This individual will work in a team environment to ensure mission needs are met for internal and external customers.

Primary Tasks

Primary Tasks: Individuals in this role will be required to perform remote administration of servers located in offsite data centers. Provide Tier 2 and Tier 3 operations support and be able to rapidly distinguish isolated user problems vs service outages for Citrix technologies to include Citrix XenDesktop, Citrix XenApp, Citrix NetScaler, and Citrix StoreFront in addition to Microsoft M365 Azure Virtual Desktop (AVD). Monitor infrastructure and identify system anomalies before they impact customers to include storage availability/capacity, network connectivity, database health, and other daily health checks as required. Work closely with Engineering staff to plan out future modernization efforts to meet customer and administrator requirements. Collaborate to perform network latency analysis to address slow connections and user experience issues with alacrity. Implement version and architectural changes to existing, approved, systems to maintain operability and security of the environment Implement major system upgrades as designed and approved Coordinate with other Tier 2 and Tier 3 teams for testing and deployment of Group Policy modifications Perform periodic backup and restoration of servers Monitor desktop capacity to size the environment based on typical usage trends Monitor License and Certificate status on the systems and coordinate the renewal and installation as needed. Coordinate with customers and stakeholders to collect data, conduct analysis, develop, and implement solutions associated with incident tickets and requirements. Establish comprehensive availability and capacity management solution using lessons learned Develop solutions to technical issues. Provide follow-up reports (technical findings, feedback, resolution steps taken) for root cause analysis, engineering technical assessment and process improvement initiatives. Periodically review, update, and generate Standard Operating Procedures (SOPs) for systems and services under your control. Update operations and monitoring documentation for 24/7/365 IT Operations Center (ITOC) personnel. Respond to after-hours outages when deemed mission critical by ITOC government rep. Conduct routine maintenance following customers prescribed maintenance windows which may include evening and/or weekend maintenance to minimize impact on customers and their mission. Provide mentorship and training for junior team members.

Basic Qualifications

• Experience with interacting with customers to handle service inquiries and problems.
• Experience working as a Tier 2 and Tier 3 system administrator: familiar with using desktop software applications such as web browsing and client software, and IT Service Management software such as ServiceNow.
• Knowledge of IC IT standards and best practices.
• Extensive knowledge of Citrix technologies to include, XenDesktop, XenApp, NetScaler, and StoreFront.
• Experience managing Microsoft M365 Azure Virtual Desktops (AVD).
• Extensive experience with patch and upgrade methodology for front-end and back-end systems based on Citrix technology.
• Experience with rapid testing, validation, and deployment of new baseline images
• Extensive experience with conducting incident and trend analysis via log review, performance baselining/review, and other incident/problem management techniques to develop solutions to ongoing issues impacting customer experience
• Experience with Scripting/Automation
• Experience troubleshooting issues in a growing environment.
• Time management skills.
• Strong oral and written communications skills.
• Track record of working effectively within a team and support to peers toward improved processes and results.
• Experience with support ticket management systems.
• Experience mentoring others and/or supervising others.
• Candidate must, at a minimum, meet DoDM 8140.03 (previously DoD 8570) – IT System Admin Intermediate certification requirements (Cloud+, GICSP, SSCP, Security+ CE, GSEC, or higher).
• Candidate must have a Bachelor's degree with at least 8 years of relevant experience, Master’s degree with 6 years, Associate's with 10 years, or High School Diploma with 12 years.
• TS/SCI with Poly required for Position or TS/SCI and willingness to obtain and maintain a poly.
• US Citizenship is required.

Preferred Qualifications

• Citrix Certified Administrator (CCA)
• Microsoft Certified: Azure Virtual Desktop Specialty
• Microsoft 365 Administrator
• ITIL Foundations Certification

Original Posting

Original Posting: August 24, 2026 For U.S. Positions: While subject to change based on business needs, Leidos reasonably anticipates that this job requisition will remain open for at least 3 days with an anticipated close date of no earlier than 3 days after the original posting date as listed above.

Pay Range

Pay Range: Pay Range $92,300.00 - $166,850.00 The Leidos pay range for this job level is a general guideline only and not a guarantee of compensation or salary. Additional factors considered in extending an offer include (but are not limited to) responsibilities of the job, education, experience, knowledge, skills, and abilities, as well as internal equity, alignment with market data, applicable bargaining agreement (if any), or other law.

Leidos

Leidos is an industry and technology leader serving government and commercial customers with smarter, more efficient digital and mission innovations. Headquartered in Reston, Virginia, with 47,000 global employees, Leidos reported annual revenues of approximately $17.2 billion for the fiscal year ended January 2, 2026. For more information, visit www.Leidos.com.

Pay and Benefits

Pay and benefits are fundamental to any career decision. That's why we craft compensation packages that reflect the importance of the work we do for our customers. Employment benefits include competitive compensation, Health and Wellness programs, Income Protection, Paid Leave and Retirement. More details are available here.

Securing Your Data

Leidos will never ask you to provide payment-related information at any part of the employment application process. And Leidos will communicate with you only through emails that are sent from a Leidos.com email address. If you receive an email purporting to be from Leidos that asks for payment-related information or any other personal information, please report the email to [e-mail].

Commitment and Diversity

All qualified applicants will receive consideration for employment without regard to sex, race, ethnicity, age, national origin, citizenship, religion, physical or mental disability, medical condition, genetic information, pregnancy, family structure, marital status, ancestry, domestic partner status, sexual orientation, gender identity or expression, veteran or military status, or any other basis prohibited by law. Leidos will also consider for employment qualified applicants with criminal histories consistent with relevant laws.