Senior IT Engineer (Infrastructure and Security)

Closing Date/12/31 Reference NumberTRU-1 Job TitleSenior IT Engineer (Infrastructure and Security) Job TypePermanent Full-time Location - CountryUnited Kingdom Location - CityLondon Location - StoreHead Office Job DescriptionWork with Core Engineering and Support teams to deliver secure, reliable infrastructure, networking, server, endpoint, and data services. The role supports Head Office, stores, warehouse operations, third-party vendors, and technology projects, with a focus on resolving security gaps, maintaining core systems, and ensuring stable service delivery across 90+ retail stores, users in HO, and a large warehouse team. What we are looking forRequirements • 6+ years’ experience in IT infrastructure, security, and support. • BTEC HNC/D or equivalent in Computing/IT or related subject preferred. • Strong knowledge of Cisco Meraki and Fortinet network equipment, including switches, access points, routers, and firewalls. • Experience administering Microsoft , Active Directory, Windows desktop, and Windows Server environments. • Hands-on experience with VMware, Hyper-V, endpoint protection, patching, and secure configuration. • Familiarity with Microsoft SQL, FTP servers, FTP applications, and secure data handling. • Strong problem-solving, root cause analysis, documentation, and communication skills. • Proactive, collaborative, detail-focused approach with a track record of improving processes and reducing security risk. What we are offering you• Deliver infrastructure, network, security, and data initiatives aligned to the organisation’s technology strategy. • Administer, maintain, and secure core server, network, cloud, endpoint, backup, storage, and VOIP platforms. • Implement, troubleshoot, optimise, and harden infrastructure solutions across Head Office, stores, and warehouse environments. • Support infrastructure projects and deployments, ensuring solutions meet business, ITIL, and cybersecurity requirements. • Monitor performance, resolve incidents and service requests, and address vulnerabilities to minimise risk and disruption. • Maintain technical documentation covering infrastructure configurations, controls, and operational procedures. • Engage vendors and service providers to support operational needs and project delivery. • Provide technical guidance to junior engineers and promote infrastructure and security best practice.