Senior Windows & VDI Infrastructure Engineer (Defence)

Thorn SDS Ltd; Corsham; On-site; GBP 65,000 - 95,000; Full time

Benefits offered by this job

25 days annual leave

Employer pension contributions

Group Life Insurance

Dental & Health Cashback Plan

Wellbeing services

Training and certifications

Defence programme exposure

Operational impact

Job summary

Thorn SDS is seeking an experienced Senior Infrastructure Engineer (Windows & VDI) to join a major UK Defence programme. You’ll support Windows infrastructure and Virtual Desktop environments that underpin mission-critical systems, working with enterprise-scale Microsoft technologies to ensure resilience and security.

As part of the TLS team, you’ll deliver 2nd/3rd line support, incident management and ongoing infrastructure improvements within a highly secure UK environment.

Qualifications

• Experience administering Windows Server 2016, 2019 and 2022.
• Administration of Active Directory, Group Policy, DNS and DHCP.
• Managing Microsoft SQL Server environments.
• Experience with Citrix Virtual Apps & Desktops and/or VMware Horizon.
• Knowledge of ITIL service management processes.
• Experience in enterprise Windows infrastructure support.
• Strong network fundamentals and Windows application support.
• Performance tuning, patch management and infrastructure optimisation.
• Security-focused, defence environments are highly desirable.

Responsibilities

• Provide advanced 2nd and 3rd line support across enterprise Windows infrastructure and VDI environments.
• Investigate complex incidents and perform root cause analysis.
• Maintain critical Microsoft platforms and collaborate with networking and applications teams.
• Deploy operating system updates and security patches.
• Monitor infrastructure health, performance and capacity for maximum availability.
• Produce and maintain technical documentation and runbooks.
• Support ITIL-aligned incident, problem and change management processes.
• Work with service teams to improve platform resilience and performance.

Skills

Windows Server

Active Directory

Citrix

VMware Horizon

SQL Server

Group Policy

ITIL

Defence environment experience

Tools

Citrix Virtual Apps & Desktops

VMware Horizon

Job description

Thorn SDS is seeking an experienced Senior Infrastructure Engineer (Windows & VDI) to join a major UK Defence programme. You’ll support Windows infrastructure and Virtual Desktop environments that underpin mission-critical systems, working with enterprise-scale Microsoft technologies to ensure resilience and security.

As part of the TLS team, you’ll deliver 2nd/3rd line support, incident management and ongoing infrastructure improvements within a highly secure UK environment.