Salary: £42,479 - 49,976 per year Requirements: We need strong experience supporting physical and virtual Windows Server environments, including Hyper-V. We need extensive practical experience with Microsoft Azure. We need extensive experience with Microsoft 365. We need proven PowerShell scripting capability. We value working knowledge of SQL, SANs, and infrastructure monitoring tools. We are looking for someone with strong technical expertise and a proactive, service-focused mindset. We expect applicants to share our commitment to safeguarding and our RNLI values of being trustworthy, courageous, selfless, and dependable. Responsibilities: We need you to provide expert 3rd-line support for physical, virtual, and public cloud infrastructure. We need you to manage and enhance Windows Server and Hyper-V environments. We need you to support and optimise Microsoft Azure and Microsoft 365 platforms. We need you to design, implement, and review system security, backup, and disaster recovery controls. We need you to deploy enhancements, patches, and upgrades across platforms. We need you to contribute to infrastructure design decisions and service improvement initiatives. We need you to create and maintain high-quality technical documentation and service records. We need you to act as a technical mentor and escalation point within the wider infrastructure team. We need you to solve complex technical problems and continuously improve the services you support. Technologies: Azure Cloud Hyper-V Support Microsoft 365 PowerShell SQL Security Windows Office 365 DevOps More: We are the RNLI, a unique organisation saving lives at sea through volunteers, lifeboats, training, and innovation. Our Infrastructure and Cloud services underpin lifesaving activity across the organisation and support staff, volunteers, and supporters nationwide. This is a temporary, full-time IT Senior Infrastructure Engineer role based in Poole, Dorset, with a hybrid working arrangement between home and our Poole office, requiring a minimum of three days per week in the office. We offer a competitive salary of £42,479 to £49,976 depending on experience, 26 days annual leave plus bank holidays, a competitive pension scheme with employer contributions up to 10%, life assurance, a health and dental cash plan, and hybrid working to support work/life balance. We are an inclusive organisation and welcome applications from everyone. last updated 20 week of 2026