Senior Design Manager (Mechanical) – Data Centres – Didcot, South Oxfordshire Shape the future of mission-critical infrastructure with Laing O'Rourke. Are you an experienced Senior Design Manager from a mechanical background, ready to lead the design on a cutting-edge data centre project? We are recruiting for a key role based in Didcot, South Oxfordshire, offering the opportunity to play a pivotal part in the successful delivery of one of the most complex and high-profile projects in our portfolio. Why this role? Be at the forefront of a technically advanced data centre project, responsible for overseeing the mechanical design delivery. Lead multi-disciplinary design teams through early engagement, detailed design, and successful handover. Drive innovation and sustainability throughout the project lifecycle, utilising Laing O'Rourke's market-leading digital and offsite manufacturing capabilities. Who We're Looking For We're keen to hear from Senior Design Managers with: A degree in Mechanical Engineering (or relevant discipline) and ideally Chartered status. Proven experience on major, high-complexity projects such as data centres, pharmaceutical/life sciences facilities, healthcare estates, advanced manufacturing, or critical national infrastructure. Strong collaboration and leadership skills, with confidence managing client teams, designers, and delivery partners. Robust understanding of design governance, risk management, and design change processes. Transferable Sectors We welcome applications from candidates with experience in sectors where high-performance mechanical systems are key. Relevant sectors include Data Centres, Healthcare, Life Sciences, Advanced Manufacturing, Aviation, Defence, and High-Tech Industrial environments. Why join us? At Laing O'Rourke, you'll join a forward-thinking team shaping the future of construction. We offer: The opportunity to work on career-defining projects with a global leader. A culture focused on innovation, sustainability, and digital delivery. Comprehensive professional development pathways, supporting your career growth. Inclusion Matters We are passionate about creating an inclusive workplace where everyone feels valued and empowered. We encourage applications from people of all backgrounds, experiences, and career stages – including career returners and those transitioning from adjacent sectors. We embrace flexible working and are happy to discuss what works best for you. Ready to design what's next? Apply now to find out more.