IT Infrastructure Manager

JOB SUMMARY The Infrastructure Manager is responsible for the leadership, governance, design, operational management, performance and continual improvement of the organisation’s IT infrastructure services. The role owns the end-to-end design, delivery and operational integrity of network, server, storage, virtualisation, workplace, cloud and hybrid infrastructure, ensuring services are secure, resilient, supportable, cost-effective and aligned with business priorities. KEY RESPONSIBILITIES Own the infrastructure strategy, roadmap, standards and operating model across networks, servers, storage, virtualisation, end‑user platforms, data centres, cloud services and hybrid environments. Lead the design, delivery and controlled operation of LAN, WAN, Wi‑Fi, SD‑WAN, firewalls, internet connectivity and associated network services, ensuring resilient architectures, approved configurations and appropriate technical documentation. Accountable for infrastructure availability, capacity, performance, security, supportability and lifecycle health, using measurable service levels, operational KPIs and regular management reporting. Own centralised infrastructure monitoring and alerting to proactively identify risks to health, availability, performance and capacity, ensuring alerts are actionable and team accountability for timely response is clearly defined. Maintain a complete and current suite of architecture diagrams, site records, configurations, procedures, support models, asset data and knowledge articles, with clear ownership and review cycles. Provide clear leadership, direction and line management for the infrastructure function, setting objectives, allocating work, developing capability and holding team members and suppliers accountable for agreed outcomes. Own the governance and optimisation of cloud and hybrid infrastructure, including connectivity, compute, storage, backup, monitoring, cost control, security configuration and alignment architecture principles. Drive the adoption of cloud infrastructure and migration from on‑premises environments where appropriate, assessing business needs, technical suitability, security, resilience and total cost of ownership, and remaining accountable for migration planning, delivery and transition into operational support. Maintain ownership of infrastructure risks, technical debt and vulnerabilities, with documented remediation plans, ensuring clear visibility of risks and associated governance. Direct infrastructure projects and technical change from requirements and design through implementation, testing, acceptance and transition to support, with clear accountability for scope, quality, cost, risk and benefits. Ensure incidents, service requests, problems and changes are managed in line with agreed priorities, service levels and ITIL-aligned controls, taking command of major infrastructure incidents and ensuring effective communication, recovery and post‑incident action. Ensure patching, configuration hardening, privileged access, endpoint protection, vulnerability remediation and audit evidence are completed to policy and within agreed timescales. Own backup, restore and disaster recovery capability across on‑premises and cloud services, ensuring recovery objectives are defined, tests are completed, failures are remediated and recovery readiness is evidenced. Approve infrastructure designs, bills of materials, implementation plans, method statements, risk assessments, migration plans, acceptance criteria and operational handover documentation. Manage infrastructure budgets, forecasts, licensing, assets, contracts and supplier performance, ensuring value for money, accurate records, commercial control and timely renewal or replacement decisions. Build effective relationships with security teams, service management, project teams and third parties, translating business needs into prioritised and supportable infrastructure outcomes. Champion continual service improvement, automation, standardisation and simplification, ensuring improvement actions have measurable benefits and accountable delivery owners. Ensure the function has appropriate resource, skills, succession and operational coverage to meet current and future business requirements. SKILLS