About this role
Salary: £45,000 - 65,000 per year
Requirements: Proven experience in server infrastructure support and administrationSolid knowledge of VMware technologies (vSphere, ESXi, vCenter)Hands-on experience with Microsoft Windows Server, Active Directory, and Group PolicyEligible to work in the UK as a UK NationalEligible to obtain and maintain UK Government Developed Vetting (DV) clearanceDesirable: exposure to HP infrastructure such as Synergy, OneView, and SANDesirable: SharePoint 2016 support and administrationDesirable: familiarity with Windows Server roles such as DFS, DHCP, DNS, and ClusteringDesirable: experience with Veeam backup and replication toolsDesirable: understanding of ITIL principles and service managementDesirable: basic Linux knowledge Responsibilities: Provide reliable third-line support, resolving incidents and troubleshooting issues across our secure infrastructureMaintain and administer Microsoft Windows Server environments, including Active DirectorySupport and enhance our VMware-based virtual infrastructureManage backup and recovery processes using Veeam to ensure data resilience and business continuityKeep technical documentation up to dateContribute to service stability through proactive maintenance, system improvements, and adherence to change control processes Technologies: Active DirectorySupportITILLinuxSecuritySharePointVMwareVeeamWindows More:
We are MASS, an independent, global technology company trusted by highly secure organisations to provide advanced digital services that manage data and keep information safe. With our heritage in defence, we deliver robust solutions to sectors where security expertise is essential. We work in partnership with customers using skilled technical experts and innovative, tailored, agile, and resilient solutions. This is a full-time permanent Senior IT Systems Engineer role based on site in Corsham (SN13), working in a unique, highly secure air-gapped environment. We offer a friendly workplace where everyone is valued, along with benefits including 25 days annual leave, flexible leave purchase or sale, pension options, private medical and dental insurance, life assurance, savings schemes, car leasing, cycle to work, retail discounts, continuous professional development support, and an annual wellness allowance.
last updated 29 week of 2026