Citrix Infrastructure Administrator

Leidos is committed to delivering innovative solutions and supporting mission-critical operations for our customers. The DISA CESO ITSS team provides network operations and cyber defense support to the Defense Information Systems Agency (DISA), enabling secure and reliable communications for the Department of Defense (DoD) and Combatant Commands (COCOMs).

Configure, administer, and sustain an enterprise Citrix environment supporting geographically distributed users. This role is responsible for day-to-day health, maintenance, troubleshooting, performance, and security integration for Citrix Virtual Apps and Desktops (CVAD) and Citrix ADC (NetScaler).

Key responsibilities Configure and maintain CVAD and Citrix ADC (NetScaler), including associated access components (e.g., StoreFront, Citrix Gateway) as required.

Troubleshoot and resolve user connectivity, latency, and performance issues across geographic locations.

Perform routine patching, system health checks, upgrades, and firmware updates for Citrix infrastructure, hypervisors, and supporting platforms.

Manage security and access, including Active Directory integration, user/group access controls, and compliance requirements.

Automate provisioning and administrative tasks using PowerShell (or similar scripting).

Document configurations and operational procedures; support incident/change workflows.

Required qualifications BA degree and 4+ years experience with enterprise virtualization architectures and Citrix technologies (e.g., XenApp, XenDesktop, StoreFront, Citrix Gateway/CVAD). Additional years of experience may be accepted in lieu of degree.

Hands-on experience administering and troubleshooting Citrix ADC (NetScaler).

Strong networking fundamentals: TCP/IP, DNS, DHCP, load balancing, SSL/TLS certificates.

Candidate must possess an active DOD Top Secret level security clearance, and be eligible to obtain and maintain a TS/SCI

Candidate must be willing to take and maintain a CI/Poly

8570 IAT Level II Baseline Certification (e.g. CySA+, GICSP, GSEC, Security+ CE)

Preferred qualifications

• Citrix certifications such as Citrix Certified Associate – Virtualization (CCA-V) or Citrix Certified Professional – Virtualization (CCP-V).

• If you're looking for comfort, keep scrolling. At Leidos, we outthink, outbuild, and outpace the status quo — because the mission demands it. We're not hiring followers. We're recruiting the ones who disrupt, provoke, and refuse to fail. Step 10 is ancient history. We're already at step 30 — and moving faster than anyone else dares.

• Original Posting: June 23, 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 $73,450.00 - $132,775.00 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.