Your new roleA leading construction and infrastructure organisation is seeking an experienced Service Manager - Back Office to own and improve the delivery of critical IT services supporting core business functions. Operating within a multi-vendor, outsourced environment, this role focuses on driving performance, stability, and continual improvement across foundational enterprise technologies.The successful candidate will work closely with global IT teams, service providers, and internal stakeholders, applying ITIL and SIAM principles to ensure seamless, scalable, and value-driven service delivery.Key Responsibilities: Managing user access, shared drive permissions, and data securityOverseeing life cycle and operational support of enterprise applications (including Microsoft 365 and COTS solutions)Managing Servers, networks, storage, databases, and Active DirectoryOverseeing on-prem, private cloud, and public cloud hosting environmentsWorking with Cyber Security teams to meet tooling, control, and compliance requirementsManaging site infrastructure setup, changes, ramp-downs, decommissioning, and archivingEnsuring service integration and governance in a multi-vendor ecosystemDriving continual improvement and business-aligned service outcomesWhat you''ll need to succeed Essential Experience:Proven experience delivering IT infrastructure services (Servers, storage, networks, hosting, AD, data centres)Experience managing IT services in a multi-vendor, outsourced environmentStron