Senior Mechanical Design Engineer Location: Farnborough / Remote - with travel Contract Length: 6 - 12 months IR35: Inside IR35 Rate: CompetitiveMust hold or be able to obtain SC ClearanceAbout the Role We are seeking two experienced Senior Mechanical Design Engineers to lead the delivery of complex mechanical design solutions for high-integrity engineering projects across multiple domains, including aerospace, land platforms, autonomy, and maritime. You will be a go-to technical authority, guiding design teams, managing challenging tasks, and delivering optimised, cost-effective solutions that meet rigorous safety, quality, and regulatory requirements.Key ResponsibilitiesLead the design, development, verification, and delivery of complex mechanical solutions.Chair and contribute to design reviews, working closely with SMEs, suppliers, and customers.Apply advanced engineering tools such as CAD, FEA, CFD, thermal analysis, and DFM principles.Ensure designs meet compliance, safety, and quality standards.Produce technical drawings, reports, and safety documentation (HAZID, design safety cases).Drive continuous improvement, manage budgets, and support risk mitigation strategies.Provide technical leadership and mentor less experienced engineers.Skills and ExperienceHNC/HND/Degree in Mechanical Engineering, Product Design, Industrial Design, or equivalent.Proven experience delivering technical hardware solutions in regulated industries.Strong background in concept development, requ