At Booker, keeping our business connected is critical to how we serve our customers. As Network Engineering Manager – Infrastructure, you’ll be responsible for the reliability, security and performance of our network and landline telephony across 200 UK locations. You’ll lead a mix of internal and third‑party engineers, translating strategy into practical plans and ensuring our network services are stable today and ready for tomorrow. This is a hands‑on leadership role with occasional out‑of‑hours support for business‑critical incidents. Lead and sponsor network infrastructure projects, delivering on time and within budget. Oversee the day‑to‑day operation of Booker’s corporate network, ensuring stability, availability and security. Ensure network configuration, patching and upgrades align with our layered defence and security standards. Diagnose and resolve network issues across hardware, software and configuration. Work closely with third‑party suppliers to resolve incidents and deliver effective solutions. Support application and infrastructure stakeholders, helping them understand and resolve connectivity challenges. Maintain accurate documentation, including network topology, project updates and operational runbooks. Produce clear management information, reporting and KPIs to support informed decision‑making. Ensure change management, licensing, contracts and security requirements are consistently followed. Own disaster recovery and total loss testing, ensuring risks are understood and managed. Identify recurring issues and opportunities for improvement, supporting change testing and implementation. Enable new systems and services by providing reliable and scalable connectivity solutions. Strong knowledge of enterprise networking, including firewalls, routers, switches and wireless access points (primarily Juniper and Cisco). Experience managing multi‑site network environments within a live production setting. Proven people leadership skills, with experience in project delivery, supplier management and budgets. A calm, structured approach to problem‑solving, especially during priority incidents. Understanding of service management, operational support and change control processes. The ability to juggle priorities, stay organised and measure outcomes effectively. Confident communication skills, able to work positively with technical and non‑technical stakeholders. A collaborative mindset and the ability to build trusted relationships across teams and suppliers. Flexibility, resilience and a proactive approach to change. A passion for secure, stable services and doing things the right way. A full UK driving licence. We’re proud to be an inclusive employer. If this role sounds right for you, we’d love to hear from you – even if you don’t meet every requirement.