This field is for validation purposes and should be left unchanged. First Name First Last Name Last Phone Email Upload your CV Drop files here or Accepted file types: pdf, doc, docx, txt, odt, fodt, Max. file size: 256 MB. Consent Please tick here If you are happy for us to process your data in line with our Privacy Policy . Senior Infrastructure Engineer (Windows & VDI)Corsham (Onsite - 5 days per week)£65,000 - £75,000 + Excellent Benefits Windows Server Active Directory Citrix VMware Horizon SQL Server Group Policy Defence ITIL Help deliver the infrastructure behind the UK's critical defence operations. Are you an experienced Infrastructure Engineer with expertise in Windows Server and Virtual Desktop Infrastructure? We're looking for a Senior Infrastructure Engineer (Windows & VDI) to join a nationally significant UK Defence programme, supporting the Windows infrastructure and virtual desktop environments that enable critical operational capabilities across the UK and overseas. If you enjoy solving complex infrastructure challenges, working with enterprise-scale Microsoft technologies and supporting systems where resilience and security are paramount, this is an opportunity to make a genuine impact while developing your career in one of the UK's most advanced secure IT environments. About Thorn SDS Thorn SDS is a specialist Managed Service Provider headquartered in Alton, Hampshire. We partner with organisations across the Space, Defence and Security sectors, connecting exceptional technical professionals with some of the UK's most challenging and rewarding programmes. About the Programme You'll be joining a major transformation programme modernising the Ministry of Defence's deployable IT capability. The programme is replacing legacy communication and information systems with modern, resilient and secure platforms. As part of the Through Life Support (TLS) team, you'll help ensure these critical services remain secure, available and fully operational throughout their lifecycle. The Role As a Senior Infrastructure Engineer (Windows & VDI), you'll provide advanced 2nd and 3rd line support across enterprise Windows infrastructure and Virtual Desktop environments that underpin mission critical defence systems. Working within the Service Operations and Resolver Group teams, you'll investigate complex incidents, maintain critical Microsoft platforms and collaborate with infrastructure, networking and application specialists to ensure services remain resilient, secure and highly available. Please note: This role focuses exclusively on Microsoft Windows infrastructure and VDI technologies. Linux administration is not part of this position. What You'll Be Doing Supporting, maintaining and troubleshooting enterprise Windows Server environments (2016, 2019 and 2022). Administering Active Directory, Group Policy, DNS, DHCP and core Microsoft infrastructure services. Providing advanced 2nd and 3rd line support across Windows infrastructure and VDI platforms. Supporting and maintaining Citrix Virtual Apps & Desktops and/or VMware Horizon environments. Deploying operating system updates, security patches and infrastructure improvements. Monitoring infrastructure health, performance and capacity to ensure maximum availability. Investigating complex technical issues and carrying out root cause analysis. Supporting ITIL aligned incident, problem and change management processes. Working collaboratively with networking, application and service teams to improve platform resilience and performance. Producing and maintaining technical documentation, knowledge articles and operational procedures. What We're Looking For You'll be an experienced Infrastructure Engineer who enjoys working in secure, enterprise scale environments and solving complex technical challenges. You'll ideally have experience with: Windows Server 2016, 2019 and 2022 administration. Active Directory, Group Policy, DNS and DHCP. Citrix Virtual Apps & Desktops and/or VMware Horizon. Enterprise Windows infrastructure support. ITIL service management processes. Network fundamentals and Windows application support. Performance tuning, patch management and infrastructure optimisation. Secure, regulated or defence environments (highly desirable). You'll also have excellent analytical, troubleshooting and communication skills and be comfortable working full time onsite in Corsham. What's In It For You? 25 days' annual leave plus Bank Holidays. Employer pension contributions. Wellbeing services including GP access, physiotherapy and lifestyle savings. Employee Referral Scheme. Supported training, certifications and professional development. The opportunity to work on one of the UK's most significant defence technology programmes. Exposure to enterprise scale Microsoft infrastructure within a highly secure environment. The chance to collaborate with experienced engineers on technically complex projects that have a genuine operational impact. Security Requirements Applicants must have the right to work in the UK and either already hold, or be eligible to obtain, a high level of UK National Security Clearance. Please note that, due to the nature of our work, nationality, previous nationalities and country of birth may affect eligibility for certain security cleared positions.
06/08/2026
Full time
This field is for validation purposes and should be left unchanged. First Name First Last Name Last Phone Email Upload your CV Drop files here or Accepted file types: pdf, doc, docx, txt, odt, fodt, Max. file size: 256 MB. Consent Please tick here If you are happy for us to process your data in line with our Privacy Policy . Senior Infrastructure Engineer (Windows & VDI)Corsham (Onsite - 5 days per week)£65,000 - £75,000 + Excellent Benefits Windows Server Active Directory Citrix VMware Horizon SQL Server Group Policy Defence ITIL Help deliver the infrastructure behind the UK's critical defence operations. Are you an experienced Infrastructure Engineer with expertise in Windows Server and Virtual Desktop Infrastructure? We're looking for a Senior Infrastructure Engineer (Windows & VDI) to join a nationally significant UK Defence programme, supporting the Windows infrastructure and virtual desktop environments that enable critical operational capabilities across the UK and overseas. If you enjoy solving complex infrastructure challenges, working with enterprise-scale Microsoft technologies and supporting systems where resilience and security are paramount, this is an opportunity to make a genuine impact while developing your career in one of the UK's most advanced secure IT environments. About Thorn SDS Thorn SDS is a specialist Managed Service Provider headquartered in Alton, Hampshire. We partner with organisations across the Space, Defence and Security sectors, connecting exceptional technical professionals with some of the UK's most challenging and rewarding programmes. About the Programme You'll be joining a major transformation programme modernising the Ministry of Defence's deployable IT capability. The programme is replacing legacy communication and information systems with modern, resilient and secure platforms. As part of the Through Life Support (TLS) team, you'll help ensure these critical services remain secure, available and fully operational throughout their lifecycle. The Role As a Senior Infrastructure Engineer (Windows & VDI), you'll provide advanced 2nd and 3rd line support across enterprise Windows infrastructure and Virtual Desktop environments that underpin mission critical defence systems. Working within the Service Operations and Resolver Group teams, you'll investigate complex incidents, maintain critical Microsoft platforms and collaborate with infrastructure, networking and application specialists to ensure services remain resilient, secure and highly available. Please note: This role focuses exclusively on Microsoft Windows infrastructure and VDI technologies. Linux administration is not part of this position. What You'll Be Doing Supporting, maintaining and troubleshooting enterprise Windows Server environments (2016, 2019 and 2022). Administering Active Directory, Group Policy, DNS, DHCP and core Microsoft infrastructure services. Providing advanced 2nd and 3rd line support across Windows infrastructure and VDI platforms. Supporting and maintaining Citrix Virtual Apps & Desktops and/or VMware Horizon environments. Deploying operating system updates, security patches and infrastructure improvements. Monitoring infrastructure health, performance and capacity to ensure maximum availability. Investigating complex technical issues and carrying out root cause analysis. Supporting ITIL aligned incident, problem and change management processes. Working collaboratively with networking, application and service teams to improve platform resilience and performance. Producing and maintaining technical documentation, knowledge articles and operational procedures. What We're Looking For You'll be an experienced Infrastructure Engineer who enjoys working in secure, enterprise scale environments and solving complex technical challenges. You'll ideally have experience with: Windows Server 2016, 2019 and 2022 administration. Active Directory, Group Policy, DNS and DHCP. Citrix Virtual Apps & Desktops and/or VMware Horizon. Enterprise Windows infrastructure support. ITIL service management processes. Network fundamentals and Windows application support. Performance tuning, patch management and infrastructure optimisation. Secure, regulated or defence environments (highly desirable). You'll also have excellent analytical, troubleshooting and communication skills and be comfortable working full time onsite in Corsham. What's In It For You? 25 days' annual leave plus Bank Holidays. Employer pension contributions. Wellbeing services including GP access, physiotherapy and lifestyle savings. Employee Referral Scheme. Supported training, certifications and professional development. The opportunity to work on one of the UK's most significant defence technology programmes. Exposure to enterprise scale Microsoft infrastructure within a highly secure environment. The chance to collaborate with experienced engineers on technically complex projects that have a genuine operational impact. Security Requirements Applicants must have the right to work in the UK and either already hold, or be eligible to obtain, a high level of UK National Security Clearance. Please note that, due to the nature of our work, nationality, previous nationalities and country of birth may affect eligibility for certain security cleared positions.
This field is for validation purposes and should be left unchanged. First Name First Last Name Last Phone Email Upload your CV Drop files here or Accepted file types: pdf, doc, docx, txt, odt, fodt, Max. file size: 256 MB. Consent Please tick here If you are happy for us to process your data in line with our Privacy Policy . Cisco Routing & Switching Firewalls VPN VMware NSX LAN/WAN ITIL Defence Help secure the networks that support the UK's critical defence operations. Are you an experienced Network Engineer looking for a role where your expertise has a genuine operational impact? We're looking for a Senior Network Engineer to join a nationally significant UK Defence programme, supporting the secure, resilient network infrastructure that enables mission critical operations across the UK and overseas. Working in one of the UK's most secure IT environments, you'll design, maintain and optimise enterprise network infrastructure while helping deliver the next generation of deployable IT services for the Ministry of Defence. If you thrive on solving complex networking challenges and want to work with cutting edge technologies in an environment where reliability and security are paramount, we'd love to hear from you. About Thorn SDS Thorn SDS is a specialist Managed Service Provider headquartered in Alton, Hampshire. We partner with organisations across the Space, Defence and Security sectors, connecting exceptional technical professionals with some of the UK's most challenging and rewarding engineering programmes. About the Programme You'll be joining a major transformation programme modernising the Ministry of Defence's deployable IT capability. Replacing legacy communication and information systems with modern, secure and resilient platforms, the programme is delivering next-generation technology. As part of the Through Life Support (TLS) team, you'll help ensure these critical services remain secure, available and fully operational throughout their lifecycle. The Role As a Senior Network Engineer, you'll provide advanced 2nd and 3rd line support across enterprise network infrastructure, ensuring the availability, performance and security of critical operational services. Working alongside Service Operations, Resolver Groups and specialist engineering teams, you'll troubleshoot complex network issues, implement infrastructure improvements and support secure deployments across both fixed and deployable environments. This is an excellent opportunity for an experienced engineer who enjoys working with enterprise networking technologies in highly secure, mission critical environments. What You'll Be Doing Supporting and maintaining enterprise LAN, WAN and operational network infrastructure. Configuring, managing and troubleshooting routers, switches, firewalls and VPN technologies. Investigating and resolving complex Layer 2, Layer 3 and Layer 4 networking issues. Supporting Software Defined Networking technologies, including VMware NSX. Monitoring network performance, capacity and availability to ensure optimum service delivery. Implementing network upgrades, changes and security improvements. Supporting ITIL-aligned incident, problem and change management processes. Working closely with infrastructure, applications and security teams to resolve technical issues. Supporting deployments across both on premises and operational environments. Maintaining network resilience while ensuring compliance with MOD security policies and standards. What We're Looking For You'll also have excellent analytical, troubleshooting and communication skills and be comfortable working full time onsite in Corsham. We're particularly interested in candidates with experience in: Enterprise routing and switching (Layer 2 & Layer 3). Cisco networking technologies. Firewalls, VPNs and secure remote connectivity. VMware NSX or other Software Defined Networking technologies. Network monitoring, performance optimisation and troubleshooting. Layer 4 application dependencies and network performance analysis. Enterprise infrastructure within secure or highly regulated environments. Defence, MOD or other security sensitive environments (desirable). What's In It For You? Alongside a competitive salary of £65,000-£75,000, you'll receive: 25 days' annual leave plus Bank Holidays. Employer pension contributions. Group Life Insurance. Wellbeing services including GP access, physiotherapy and lifestyle savings. Employee Referral Scheme. Funded training, certifications and ongoing professional development. The opportunity to work on one of the UK's most significant defence technology programmes. Exposure to enterprise scale networking technologies within a highly secure environment. The chance to collaborate with experienced engineers on complex infrastructure projects that directly support UK defence capability. Security Requirements Applicants must have the right to work in the UK and either already hold, or be eligible to obtain, a high level of UK National Security Clearance. Please note that, due to the nature of our work, nationality, previous nationalities and country of birth may affect eligibility for certain security cleared positions.
06/08/2026
Full time
This field is for validation purposes and should be left unchanged. First Name First Last Name Last Phone Email Upload your CV Drop files here or Accepted file types: pdf, doc, docx, txt, odt, fodt, Max. file size: 256 MB. Consent Please tick here If you are happy for us to process your data in line with our Privacy Policy . Cisco Routing & Switching Firewalls VPN VMware NSX LAN/WAN ITIL Defence Help secure the networks that support the UK's critical defence operations. Are you an experienced Network Engineer looking for a role where your expertise has a genuine operational impact? We're looking for a Senior Network Engineer to join a nationally significant UK Defence programme, supporting the secure, resilient network infrastructure that enables mission critical operations across the UK and overseas. Working in one of the UK's most secure IT environments, you'll design, maintain and optimise enterprise network infrastructure while helping deliver the next generation of deployable IT services for the Ministry of Defence. If you thrive on solving complex networking challenges and want to work with cutting edge technologies in an environment where reliability and security are paramount, we'd love to hear from you. About Thorn SDS Thorn SDS is a specialist Managed Service Provider headquartered in Alton, Hampshire. We partner with organisations across the Space, Defence and Security sectors, connecting exceptional technical professionals with some of the UK's most challenging and rewarding engineering programmes. About the Programme You'll be joining a major transformation programme modernising the Ministry of Defence's deployable IT capability. Replacing legacy communication and information systems with modern, secure and resilient platforms, the programme is delivering next-generation technology. As part of the Through Life Support (TLS) team, you'll help ensure these critical services remain secure, available and fully operational throughout their lifecycle. The Role As a Senior Network Engineer, you'll provide advanced 2nd and 3rd line support across enterprise network infrastructure, ensuring the availability, performance and security of critical operational services. Working alongside Service Operations, Resolver Groups and specialist engineering teams, you'll troubleshoot complex network issues, implement infrastructure improvements and support secure deployments across both fixed and deployable environments. This is an excellent opportunity for an experienced engineer who enjoys working with enterprise networking technologies in highly secure, mission critical environments. What You'll Be Doing Supporting and maintaining enterprise LAN, WAN and operational network infrastructure. Configuring, managing and troubleshooting routers, switches, firewalls and VPN technologies. Investigating and resolving complex Layer 2, Layer 3 and Layer 4 networking issues. Supporting Software Defined Networking technologies, including VMware NSX. Monitoring network performance, capacity and availability to ensure optimum service delivery. Implementing network upgrades, changes and security improvements. Supporting ITIL-aligned incident, problem and change management processes. Working closely with infrastructure, applications and security teams to resolve technical issues. Supporting deployments across both on premises and operational environments. Maintaining network resilience while ensuring compliance with MOD security policies and standards. What We're Looking For You'll also have excellent analytical, troubleshooting and communication skills and be comfortable working full time onsite in Corsham. We're particularly interested in candidates with experience in: Enterprise routing and switching (Layer 2 & Layer 3). Cisco networking technologies. Firewalls, VPNs and secure remote connectivity. VMware NSX or other Software Defined Networking technologies. Network monitoring, performance optimisation and troubleshooting. Layer 4 application dependencies and network performance analysis. Enterprise infrastructure within secure or highly regulated environments. Defence, MOD or other security sensitive environments (desirable). What's In It For You? Alongside a competitive salary of £65,000-£75,000, you'll receive: 25 days' annual leave plus Bank Holidays. Employer pension contributions. Group Life Insurance. Wellbeing services including GP access, physiotherapy and lifestyle savings. Employee Referral Scheme. Funded training, certifications and ongoing professional development. The opportunity to work on one of the UK's most significant defence technology programmes. Exposure to enterprise scale networking technologies within a highly secure environment. The chance to collaborate with experienced engineers on complex infrastructure projects that directly support UK defence capability. Security Requirements Applicants must have the right to work in the UK and either already hold, or be eligible to obtain, a high level of UK National Security Clearance. Please note that, due to the nature of our work, nationality, previous nationalities and country of birth may affect eligibility for certain security cleared positions.
Thorn SDS is urgently seeking a Senior Infrastructure Engineer (Windows & VDI) to manage enterprise Windows Server environments and virtual desktop platforms in a UK defence programme. You'll work onsite in Corsham, delivering 2nd/3rd line support and driving resilience across Microsoft infrastructure. This role requires strong Windows Server, Active Directory and VDI experience, with ITIL-aligned incident and change processes.
06/08/2026
Full time
Thorn SDS is urgently seeking a Senior Infrastructure Engineer (Windows & VDI) to manage enterprise Windows Server environments and virtual desktop platforms in a UK defence programme. You'll work onsite in Corsham, delivering 2nd/3rd line support and driving resilience across Microsoft infrastructure. This role requires strong Windows Server, Active Directory and VDI experience, with ITIL-aligned incident and change processes.
Thorn SDS in Corsham is seeking a Senior Network Engineer to design, maintain and optimise enterprise network infrastructure within a high security UK defence programme. You will deliver 2nd/3rd line support, tackle complex networking challenges and support secure deployments across fixed and deployable environments. The role requires onsite work in Corsham with strong analytical, troubleshooting and communication skills, plus experience in enterprise routing/switching, Cisco tech, firewalls and
06/08/2026
Full time
Thorn SDS in Corsham is seeking a Senior Network Engineer to design, maintain and optimise enterprise network infrastructure within a high security UK defence programme. You will deliver 2nd/3rd line support, tackle complex networking challenges and support secure deployments across fixed and deployable environments. The role requires onsite work in Corsham with strong analytical, troubleshooting and communication skills, plus experience in enterprise routing/switching, Cisco tech, firewalls and
