Are you a hands-on Engineering Manager ready to shape early-stage designs for bespoke equipment in a high-hazard setting? Have you led suppliers to deliver special purpose machinery into engineered containments, from clear requirements through FAT and SAT to site integration? Can you run gated design reviews and CAD-led concept packages in a highly sensitive environment? The Opportunity Join a leading UK engineering organisation at Principal Engineer level, owning concept design and supplier delivery for bespoke experimental equipment and its engineered containment in a regulated environment. We would also welcome applications from these industries Nuclear, defence, aerospace test and measurement, advanced manufacturing, and research laboratories. This role would suit candidates working in these roles Engineering Manager, Principal Mechanical Engineer, Principal Systems Engineer, Mechanical Design Lead, Containment Engineer, Test Rig Engineer, Integration Engineer, Lead Design Engineer, Technical Project Manager, Senior Development Engineer. Your duties and responsibilities will be Take ownership of concept development for bespoke equipment and its containment, capturing requirements, defining interfaces, and identifying hazards. Direct the supply chain to deliver equipment that integrates cleanly into containment, including specifications, design reviews, compliance checks, and FAT and SAT planning. Produce con...