https://jobs.co.uk/job/senior-principal-mechanical-design-engineer-rgb-recruitment--8809b794-6653-4016-a3da-85bfe6d47c81 RSS feed for Senior / Principal Mechanical Design Engineer at RGB Recruitment. en-gb Wed, 23 Sep 2026 20:44:05 GMT https://jobs.co.uk/job/senior-principal-mechanical-design-engineer-rgb-recruitment--8809b794-6653-4016-a3da-85bfe6d47c81 https://jobs.co.uk/job/senior-principal-mechanical-design-engineer-rgb-recruitment--8809b794-6653-4016-a3da-85bfe6d47c81 Wed, 23 Sep 2026 14:06:06 GMT Location: Southampton | Salary: £50000 - £70000 per annum | Type: Full time | Senior / Principal Mechanical Design Engineer (Building Services) Location: Southampton Area Salary: £50,000 - £70,000 The Company An established sustainability and building services design consultancy based in the Southampton area, is looking to appoint an experienced Senior / Principal Mechanical Design Engineer to support its continued growth. They provide mechanical building services engineering, energy management and sustainability consultancy services across a range of sectors and project types. Working with end users, construction professionals and installing contractors, the consultancy delivers engineering solutions for new-build construction, building refurbishment, plant replacement and energy efficiency projects. Their approach combines technical building services expertise with a focus on energy efficiency, system optimisation and effective building operation. The business supports clients with solutions designed to reduce energy consumption, carbon emissions and energy costs. Alongside mechanical building services design, its services include energy audits, net zero carbon strategies, carbon reporting, utility management, condition surveys and tec... Full time