WINTEL & VDI Engineer (L3/L4)
WINTEL & VDI Engineer (L3/L4)

WINTEL & VDI Engineer (L3/L4)

Full-Time 45000 - 55000 £ / year (est.) No home office possible
Thorn SDS Ltd

At a Glance

  • Tasks: Support a high-profile programme delivering next-gen IT services for UK and overseas operations.
  • Company: Join a mission-critical defence programme with a focus on modernising IT capabilities.
  • Benefits: Enjoy 25 days annual leave, pension contributions, and health cashback plans.
  • Other info: Opportunities for training and personal development in a dynamic setting.
  • Why this job: Make a real impact in a secure, advanced environment while developing your skills.
  • Qualifications: Experience in Windows infrastructure and VDI technologies is essential.

The predicted salary is between 45000 - 55000 £ per year.

Are you a skilled WINTEL & VDI Engineer looking to support a high-profile, mission-critical programme? This is a unique opportunity to join a high-impact programme delivering next-generation deployable IT services to support operations both in the UK and overseas.

About the Programme

The programme is transforming the MOD’s deployable IT capability across Land and Maritime domains. It is replacing legacy CIS services with a modern, secure, and resilient in-house solution designed to meet the demands of frontline operations. A core element of this transformation is the delivery of robust Through Life Support (TLS) services—ensuring systems remain operational, secure, and fully supported in dynamic and often challenging environments.

The Role

As a WINTEL & VDI Engineer (SFIA Level 3 or 4), you will provide advanced 2nd/3rd line support within the Service Operations and Resolver Group functions. You’ll be responsible for maintaining and supporting Windows-based infrastructure and Virtual Desktop environments that underpin critical operational capability.

Responsibilities

  • Manage, maintain, and troubleshoot Windows-based servers, including:
  • Windows Server 2016/2019/2022
  • Active Directory & Group Policy
  • SQL Server
  • DNS, DHCP, and other core network services
  • Provide advanced L3/L4 support, including:
    • L3: network connectivity, cabling, switches, routers
    • L4: applications running on Windows servers and VDI systems
  • Work with virtualisation technologies and VDI platforms (Citrix, VMware Horizon) where required
  • Deploy patches, updates, and security hardening in line with programme and MOD policies
  • Participate in system monitoring, performance tuning, capacity planning, and root cause analysis
  • Support operational procedures, change control, and ITIL-aligned service processes
  • Collaborate with cross-functional teams to implement infrastructure improvements and ensure service continuity
  • What We’re Looking For

    • Proven experience working at SFIA Level 3 or 4 in a Windows infrastructure environment
    • Strong knowledge of:
    • Windows Server & Active Directory administration
    • SQL Server
    • Group Policy, DNS, DHCP
    • Virtualisation and VDI technologies (Citrix, VMware Horizon)
  • Understanding of network layers (L3/L4) and application support
  • Experience following ITIL service management processes
  • Previous experience in secure or defence environments is highly desirable
  • Excellent analytical, problem-solving, and troubleshooting skills
  • Ability to work on-site at Corsham
  • Important Note

    Due to the nature of this work, candidates must be eligible for appropriate UK security clearance. All applicants must hold the Right to Work in the UK and already possess, or be eligible to obtain, a high level of National Security Clearance. Due to the nature of our business, your nationality, previous nationalities, and country of birth may influence the types of roles for which you are eligible.

    Why Join?

    • Be part of a nationally significant defence programme
    • Work in a highly secure, technically advanced environment
    • Opportunity to develop skills in complex, large-scale infrastructure
    • 25 days Annual Leave (plus Bank Holidays)
    • Employer Pension Contributions
    • Group Life Insurance
    • Dental & Health Cashback Plan
    • Wellbeing Services (includes GP, Physio and Savings Benefits)
    • Thorn Wellbeing Support Contribution
    • Employee Referral Scheme
    • Supported Training & Personal Development Opportunities

    Apply

    If you have the expertise to support this requirement and are eager to make an impact in a critical role, please apply today!

    WINTEL & VDI Engineer (L3/L4) employer: Thorn SDS Ltd

    Join a leading organisation at the forefront of transforming the MOD’s deployable IT capabilities, where you will be part of a high-impact programme that supports both UK and overseas operations. Our work culture fosters collaboration and innovation, providing you with opportunities for personal and professional growth in a secure and technically advanced environment. Enjoy competitive benefits including 25 days of annual leave, employer pension contributions, and comprehensive wellbeing services, making this an excellent place to build a meaningful career.
    Thorn SDS Ltd

    Contact Detail:

    Thorn SDS Ltd Recruiting Team

    StudySmarter Expert Advice 🤫

    We think this is how you could land WINTEL & VDI Engineer (L3/L4)

    ✨Tip Number 1

    Network like a pro! Reach out to your connections in the industry, attend relevant meetups or webinars, and don’t be shy about asking for introductions. The more people you know, the better your chances of landing that WINTEL & VDI Engineer role.

    ✨Tip Number 2

    Show off your skills! Create a portfolio or a personal project that highlights your experience with Windows Server, Active Directory, and VDI technologies. This can really set you apart when you’re chatting with potential employers.

    ✨Tip Number 3

    Prepare for those interviews! Brush up on your technical knowledge and be ready to discuss your problem-solving strategies. Practice common interview questions related to L3/L4 support and ITIL processes to boost your confidence.

    ✨Tip Number 4

    Don’t forget to apply through our website! It’s the best way to ensure your application gets seen by the right people. Plus, we love seeing candidates who are proactive about their job search!

    We think you need these skills to ace WINTEL & VDI Engineer (L3/L4)

    Windows Server 2016/2019/2022
    Active Directory Administration
    Group Policy Management
    SQL Server Management
    DNS and DHCP Configuration
    Network Connectivity Troubleshooting
    Virtualisation Technologies (Citrix, VMware Horizon)
    VDI Systems Support
    ITIL Service Management Processes
    Root Cause Analysis
    Performance Tuning
    Capacity Planning
    Analytical Skills
    Problem-Solving Skills
    Troubleshooting Skills

    Some tips for your application 🫡

    Tailor Your CV: Make sure your CV highlights your experience with Windows Server, Active Directory, and VDI technologies. We want to see how your skills match the role, so don’t be shy about showcasing your relevant achievements!

    Craft a Compelling Cover Letter: Your cover letter is your chance to shine! Use it to explain why you’re passionate about this role and how your background makes you the perfect fit for our high-impact programme. Keep it engaging and to the point.

    Showcase Your Problem-Solving Skills: In your application, give examples of how you've tackled complex issues in previous roles. We love seeing analytical thinking and troubleshooting prowess, especially in dynamic environments like the ones we operate in.

    Apply Through Our Website: We encourage you to apply directly through our website. It’s the best way to ensure your application gets into the right hands. Plus, it shows us you’re keen on joining our team!

    How to prepare for a job interview at Thorn SDS Ltd

    ✨Know Your Tech Inside Out

    Make sure you brush up on your knowledge of Windows Server, Active Directory, and VDI technologies like Citrix and VMware Horizon. Be ready to discuss specific scenarios where you've managed or troubleshot these systems, as this will show your hands-on experience.

    ✨Understand the Programme's Goals

    Familiarise yourself with the MOD’s deployable IT capability transformation. Knowing how your role as a WINTEL & VDI Engineer fits into this mission-critical programme will demonstrate your commitment and understanding of the bigger picture.

    ✨Prepare for Scenario-Based Questions

    Expect questions that assess your problem-solving skills in real-world situations. Think of examples where you've had to troubleshoot network connectivity issues or manage server updates under pressure, and be ready to explain your thought process.

    ✨Showcase Your ITIL Knowledge

    Since the role involves following ITIL service management processes, be prepared to discuss your experience with change control and operational procedures. Highlight any relevant certifications or training you've completed to reinforce your expertise.

    WINTEL & VDI Engineer (L3/L4)
    Thorn SDS Ltd

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