Job Title: Contractor - Principal Design Engineer (Vehicle and Suspension Engineering)Location: Leamington Spa, Warwickshire - Hybrid working availableContract Type: Contractor (IR35 status determination is uncertain at this time and will be assessed in line with current off-payroll working rules once the engagement progresses. We will provide a Status Determination Statement as required.)Role Overview We are seeking an experienced Principal Design Engineer to join a global mechanical design team on a contract basis. You will lead the design and development of vehicle and suspension systems, from initial concept through to production-ready solutions.This role involves taking ownership of mechanical systems or complete products, managing a small team of designers, and collaborating closely with other engineering disciplines (e.g., simulation, manufacturing) to deliver solutions that meet component, system, product, and client requirements.Key ResponsibilitiesLead concept and detailed 3D mechanical design of systems, assemblies, and complex components (e.g., subframes, suspension knuckles, control arms, tie rods, pitman arms).Perform detailed design activities, including basic stress calculations, FMEA, 2D detailing, layouts, and tolerance stack analyses as needed.Work closely with FEA and simulation teams to validate designs against requirements.Collaborate with manufacturing and process engineers to ensure DFMA compliance.Manage Bills of Materials (BOMs).Produce technical rep