Mechanical Engineering is excited to offer multiple opportunities for experienced Principal Mechanical Design Engineers, with roles available across all areas of the Product Life Cycle, from mechanical future concepts and detailed design through qualification, production, and in-service support. In these roles of responsibility, you will lead the development of mechanical solutions for a wide variety of complex weapons and weapon systems, working closely with multi-disciplinary teams across engineering, manufacturing, quality, and supply chain.You will be expected to provide technical leadership, drive design maturity, and act as a key interface with internal and external stakeholders.Salary: Circa £50,000+ depending on experienceLocation: Stevenage (relocation package may be available)Dynamic (Hybrid) Working: An average of 2-3 days per week on-site dependent on work classificationSecurity Clearance: British Citizen or a Dual UK national with British citizenship. Restrictions and/or limitations relating to nationality and/or rights to work may apply. As a minimum and after offer stage, all successful candidates will need to undergo HMG Basic Personnel Security Standard checks (BPSS), which are managed by the MBDA Personnel Security Team.What we can offer you:Company bonus: Up to £2,500 (based on company performance and will vary year to year)Pension: maximum total (employer and employee) contribution of up to 14%Overtime: opportunity for paid overtimeFlexi Leave: Up to 15 ad