Senior Mechanical Design Engineer Overview An established engineering organisation specialising in complex mechanical systems is seeking an experienced Senior Mechanical Design Engineer to join its design team. The company develops bespoke, high-performance engineered systems supplied to customers worldwide and operates across a full design-to-manufacture lifecycle. This role focuses on the design and delivery of mechanical sub-systems and assemblies, producing complete manufacturing packages including drawings and bills of materials. You will take ownership of work packages, collaborate closely with project, production, and supply chain teams, and contribute to continuous improvement across products and processes. The Role You will be responsible for designing and developing mechanical assemblies and “system elements” for complex engineered systems. When assigned ownership of a work package, you will act as the lead engineer for that scope, managing delivery to time, cost, and specification. The role combines hands-on mechanical design, technical coordination, and close interaction with manufacturing and suppliers. Depending on project needs and experience level, you may also support production, suppliers, and service teams, and help mentor more junior engineers. Key Responsibilities * Design mechanical assemblies and sub-systems and produce full manufacturing packages (GA drawings, detail drawings, BOMs, d...