VDI Engineer

Leidos; Huntingdon; On-site; GBP 63,000 - 99,000; Full time

Job summary

A global defense, aviation, information technology company is seeking a Senior Virtual Desktop Infrastructure Engineer to support the mission of the United States European Command at RAF Molesworth, UK. This role involves managing Citrix systems and ensuring compliance with security regulations. The ideal candidate should have strong technical skills and experience in virtual desktop environments, alongside necessary certifications. A Secret Clearance is required, with opportunities for growth within the organization.

Qualifications

• Must hold an active Secret Clearance and be able to obtain a Top Secret/SCI Clearance.
• 3-5 years specializing in Citrix enterprise environments.
• Knowledge of DoD IA/Cybersecurity and IT regulations.

Responsibilities

• Maintain Citrix Virtual Apps and Desktops (CVAD/XenApp).
• Configure NetScaler appliances for load balancing and secure remote access.
• Resolve IT hardware/software infrastructure issues.

Skills

Citrix infrastructure maintenance

NetScaler operations

Troubleshooting IT issues

Microsoft Windows environments

Effective communication skills

Education

BA/BS degree or equivalent experience

Citrix Certified Professional - Virtualization

CompTIA Security + certification

Tools

PowerShell

Citrix Virtual Apps and Desktops

NetScaler

Job description

• Leidos has an excellent opportunity for a Virtual Desktop Infrastructure (VDI) Engineer - Senior supporting the Enterprise Level Information Technology Expertise (ELITE) contract in support of the United States European Command (USEUCOM) located at RAF Molesworth, UK. This position is required to travel OCONUS.

PROGRAM SUMMARY

Are you interested in continuing your career in Europe in a mission focused environment? Leidos has established positions throughout Europe supporting the ELITE program. We are looking for an experienced, innovative and motivated VDI Engineer to support the enablement of USEUCOM’s mission objectives.

REQUIRED CLEARANCE

Must have an active DoD Top Secret security clearance.

PRIMARY RESPONSIBILITIES

As the Virtual Desktop Infrastructure (VDI) Engineer, you will be responsible for:

• Maintaining Citrix Virtual Apps and Desktops (CVAD/XenApp), StoreFront, and Provisioning Services (MCS/PVS).
• NetScaler/VPX Operations: Configure NetScaler appliances for load balancing, SSL offload, and secure remote access (Gateway).
• Working extensively with XenServer and VM.
• Resolving IT hardware and software infrastructure (servers, network, security, etc.) issues using systems analysis techniques and procedures to ensure appropriate function of hardware, software, or system functional specifications.
• Analyzing, troubleshooting, and resolving issues with IT infrastructure including user systems, servers, storage, and network connectivity.
• Providing system administration for assigned infrastructure and establishing and maintaining security as it relates to users.
• Applying security patches and operating system upgrades to ensure the security and integrity of the technical environment.
• Developing and implementing technical standards (SOP, TTP, implementation instructions, other required documentation) and monitoring processes for information systems.
• Tier 3 Support: Act as an escalation point for complex technical issues, performing deep root‑cause analysis for critical incidents.
• Maintaining all configuration documentation for assigned infrastructure.

The ideal candidate will have:

• Expertise operating and maintaining Citrix infrastructure (PVS, DDC, StoreFront servers, etc.) systems as well as NetScaler (VPX).
• Demonstrated experience developing, maintaining, upgrading, patching, and securing Microsoft Windows desktop environments in multiple Virtual Desktop Infrastructure environments.
• Experience maintaining Microsoft Windows systems within DoD environments.
• Experience managing a Virtual Desktop Infrastructure environment and/or preparing master Operating System images for deployment.
• Effective communication skills to work with colleagues to drive innovation and communicate capabilities to fellow team members, colleagues, management, and customer leadership.

Basic Qualifications

• Must hold an active Secret Clearance and be able to obtain a Top Secret/SCI Clearance.
• BA/BS and 3 years recent specialized, or AA/AS and 7 years recent specialized, or a major cert 7 years recent specialized, or 11 years of recent specialized experience with at least 3‑5 years specializing in Citrix enterprise environments.

• Must have current Citrix Certified Professional‑Virtualization (CCP‑V) certification or greater.
• Must have current CompTIA Security + (IAT Level II or greater).
• Strong background / experience with Citrix & NetScaler.
• Demonstrated background troubleshooting complex IT issues.
• Knowledge of DoD IA/Cybersecurity and IT regulations and guidance.

Preferred Qualifications

• ITIL v3 or v4 – Foundation certification.
• Citrix Certified Expert‑Virtualization (CCE‑V) certification.
• Proficiency in PowerShell scripting.
• NetScaler Expertise.
• Experience working as part of a team - remote.

Place of Performance

• RAF Molesworth, United Kingdom.

CITS3

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: February 13, 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: $87,100.00-$134,000.00

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.