Role Overview Were looking for a Senior Infrastructure Engineer (Data Centres) to join a growing IT Services and Consultancy business. This is a senior, hands-on field role suited to engineers who like being on the move, enjoy practical problem-solving, and can adapt to changing schedules. Key Responsibilities Carry out full lifecycle activities across audit, installation, migration, and decommissioning of IT and network infrastructure. Perform audits and discovery to identify and document equipment, connectivity, and power usage, producing accurate and detailed records. Manage installations and relocations of network, server, and storage hardware within data centres, offices, and trading floors. Deliver structured patching, including complex high-density patching across network and compute environments. Build, install, and commission racks, cabinets, and containment structures, including fabrication and mounting activities. Carry out pre-cabling and pre-patching to prepare migration and transformation sites. Act as Lead Engineer on-site, ensuring technical accuracy, quality control, and safe delivery. Lead small teams, delegate effectively, and provide clear communication with clients. Requirements Proven experience leading on-site technical teams. Working, practical knowledge of structured cabling (copper/fibre/splicing). Skilled in rack installation, containment, and troubleshooting. Confident working in live and production environments. Full clean UK driving licence. CNCI, CNet, Panduit, Leviton, or similar certification. - Desirable Fibre splicing certification or practical experience. - Desirable This is a full-time, permanent position, based at client sites across the M25 corridor, with one day per week in the office (Essex) or working from home for administrative tasks. Our client offers a competitive salary, excellent benefits, and strong opportunities for career development. Apply online to be considered.