Salary: £31,000 - 71,000 per year Requirements: Relevant degree, technical Microsoft certification, or equivalent experience. Expert knowledge of Active Directory, Federation Services, Exchange, and the Microsoft Server product family in an enterprise environment. Knowledge of the Microsoft cloud platform, including Entra ID, Azure, and associated services. In-depth knowledge of virtualisation platforms, specifically Microsoft Hyper-V and VMware. Knowledge of network hardware configuration and management, including routers, firewalls, and TCP/IP. Experience with Veeam Backup and Replication. Knowledge of multifactor authentication systems. Excellent visualisation and articulation of problems and solutions. Excellent verbal and written communication skills. Ability to break down complex problems and work toward an accepted resolution. Strong ability to deliver to expectations on time. Ability to take proactive and independent ownership of problems through to solution. Ability to work well within a team, contribute ideas, and adopt ideas from others. Ability to actively support colleagues in their work. Ability to work with colleagues in ICT to improve and maintain efficiency. Desirable: knowledge of the Mimecast platform. Desirable: experience with Microsoft DPM. Desirable: knowledge of VPN platforms. Desirable: experience managing antivirus systems. Responsibilities: We design, implement, and manage robust ICT back-end infrastructure in collaboration with the wider ICT Infrastructure team. We support servers, cloud platforms, network architecture, WAN, and related systems and facilities across our group businesses. We help create and maintain a highly secure and adaptable infrastructure connecting all group entities. We optimise connectivity between head offices, regional offices, and depots. We develop comprehensive schedules and replacement plans for future infrastructure requirements. We monitor server and infrastructure life cycles and ensure timely maintenance and upgrades. We design, implement, and regularly test Disaster Recovery plans with Information Security and Business Continuity teams. We establish robust system backup and replication procedures in line with policies and procedures. We collaborate with Information Security, Business Continuity, and IT teams to incorporate business application needs into Disaster Recovery planning. We manage and maintain group-wide firewalls, antivirus systems, SIEM platforms, and Network Access Control systems with the Information Security team. We monitor systems proactively and resolve incidents effectively, including root cause analysis for security incidents. We plan for group expansions and changes, ensuring scalable and adaptable infrastructure. We work with the IT Infrastructure Manager to establish communication and escalation guidelines for critical issues. We contribute to the documentation and rollout of group-wide IT policies and governance compliance. We use ITSM systems to log and track work activities and changes. We carry out other duties as assigned by the manager. Technologies: Active Directory Azure Cloud Hardware Hyper-V ICT Support ITSM Network Security TCP/IP VPN VMware Veeam ASP.NET Embedded More: We are BUUK Infrastructure, a group of companies with over 30 years of experience driving change and innovation in the utility sector. Our vision is to be the leading utility partner accelerating the UK towards net zero for all our customers. We offer a supportive, award-winning culture where our people are encouraged to be themselves and do their best. We provide a strong package including a cost of living annual pay review, company pension contributions of up to 10% when employees contribute 5%, 33 days of holiday including bank holidays with the option to buy an additional two weeks, enhanced maternity, paternity and adoption pay, a £1000 referral payment for successful referrals, hybrid working for eligible roles, and development opportunities to support career aspirations. We are proud to be an equal opportunity employer, committed to wellbeing, safety, flexibility, and equity, diversity and inclusion across everything we do. last updated 24 week of 2026