Play a crucial role in designing and developing innovative defence systems as a Principal Mechanical Engineer. This company is committed to offering advanced technology solutions with expertise in maritime control and instrumentation systems to support the national security of the United Kingdom. They understand the importance of flexible working and allow you to tailor the benefits package to your personal needs, covering the core benefits of healthcare, dental, life assurance and pension.   You will work across the entire engineering lifecycle following the appropriate defence standards. Your Responsibilities : Sign off all mechanical designs, ensure the mechanical team are conforming to applicable processes during and design, development and build, and ensure compliance to all applicable requirements.Produce, review and approve technical documentation to support programme delivery.Be a direct point of contact whilst liaising with manufacturers and test houses. Your Experience : Strong experience in mechanical design including FEA and Thermal Analysis (CFD).Engineering degree in related discipline or equivalent experience.Defence experience and working knowledge of the industry standards.Ability to work under pressure in a complex and rapidly changing environment. About the Role : Role : Principal Mechanical EngineerSalary : £46,000–£63,000 Plus Bonus & BenefitsLocation : New Malden, Greater London AreaHybrid working : 2-3 days a week on-site and occasional travel to client site(s) Key Words : Mechanical engineering, principal engineer, CAD, FEA, CFD, defence, SC Due to the nature of work undertaken at our client's site, incumbents of these positions are required to meet special nationality rules and therefore these vacancies are only open to British Citizens. Applicants who meet this criteria will also be required to undergo security clearance vetting, if not already security cleared to a minimum SC level. Electus Recruitment Solutions provides specialist engineering and technical recruitment solutions to a number of high technology industries. We thank you for your interest in this vacancy. If you don't hear from us within 7 working days please presume your application has been unsuccessful on this occasion. You are of course free to resubmit your CV / details in the future and we shall assess your suitability at that time. This is a permanent position