Senior Mechanical Design EngineerElevation Recruitment are delighted to be partnering with a leading engineering company based in Sheffield, in their search for a Senior Mechanical Design Engineer. Specialising in bespoke structural solutions, our client has earned a reputation for technical excellence and innovation, delivering high-quality engineered systems for infrastructure and construction projects across the UK and internationally. Role Overview We are looking for an experienced and highly capable Senior Mechanical Design Engineer to take a key role within the engineering team. This is a senior-level position that will involve leading design activities, mentoring junior engineers, and taking ownership of complex design challenges. The successful candidate will bring strong technical expertise in mechanical and structural design, particularly in hand calculations, alongside a deep understanding of welding, fabrication, and engineering principles. You will play a pivotal role in ensuring practical, efficient, and robust designs are delivered on time and to the highest standards, supporting both UK and international projects. Key Responsibilities Lead the design and development of bespoke mechanical components and assemblies, from concept through to manufacture and installation. Take ownership of detailed hand calculations (stress analysis, joint strength, load assessments, etc.) to validate and optimise designs. Review and approve technical drawings, models, and docu