Principal Mechanical Engineer

General information Entity Safran is an international high-technology group operating in the fields of aerospace (propulsion, equipment and interiors), space and defense. Its mission is to contribute sustainably to a safer world, where air transport becomes ever more environmentally friendly, comfortable and accessible. Present on every continent, the Group employs 110,000 people and generated 31.3 billion in revenue in 2025. Safran holds, either independently or through partnerships, leading global or European positions in its markets.Safran was ranked second in the Aerospace & Defense sector in TIME magazine's ""World's Best Companies 2025"" ranking.As the world leader in aeronautical electrical systems, Safran Electrical & Power is a key player in the electrification of aircraft equipment and electric and hybrid propulsion. With expertise across the onboard energy chain, the company designs and delivers innovative, optimized and modular architectures and solutions.   Reference 2026-181383   Position descriptionDomainResearch, design and developmentJob field / Job profileMechanics - Mechanical system architectureJob titlePrincipal Mechanical EngineerEmployment typePermanentProfessional categoryProfessional, Engineer & ManagerPart time / Full timeFull-timeJob descriptionPrincipal Electro-Mechanical EngineerPitstone, Tring, Hertfordshire CompetitiveBenefits: 8% Bonus, Excellent Pension, 33 Days Holiday, Dental, BUPA, EV Scheme, Workplace nursery scheme, Midday finish on Fridays, Enhanced family friendly policies, Wellbeing programme, Employee assistance programme including health and finance, Onsite subsidised canteenSkills: Aerospace or Mechanical Engineering degree, Certification, Airworthiness, Catia V5, Windchill, Integrity , Knowledge of EASA/FAA/RTCA, Technical audit, CVE experienceAt Safran Electrical & Power, we recognise that aviation needs to innovate and change in order to protect our environment. We believe that future aircraft power systems will be hybrid-electric or full-electric, which is why we are working to develop and deliver advanced electrical solutions to help decarbonise flight.The UK Safran Electrical & Power team has expertise in designing and developing electrical systems comprising generators, power conversion, distribution and control, with developing expertise in electric motors for aircraft propulsion. If you want to help deliver this future, we are looking for enthusiastic and creative people to join our team.The RoleAs a Principal Electro-Mechanical Engineer at Safran Electrical & Power you will be responsible for achieving technical and economic performance objectives during the life cycle of a product or product family whilst utilising the latest technology. You will strategically analyse market needs and trends, ensuring the products meet the customer requirements during the whole life cycle. You will participate and lead design and technical reviews to ensure prospective products follow the “First Time Right” design methodology. You will use your experience and researching capabilities to maintain and propose roadmaps to ensure products are ahead of the curve and ahead of market trends. You will be the main contact for issues and queries relating to mechanical design or rotating electric machines.•Ensure the product line achieves and surpasses technical and economic performance objectives.•Ensure the product meets customer requirements during the whole life cycle.•Strategically analyse the market, consumer needs, trends and competition to ensure the products and product families are market leading.•Elaborate and maintain the product roadmap, proposing future technical roadmaps in collaboration with the Research & Technology team.•Identify and influence research and technology studies related to the products you have technical authority over.•Participate and chair design & technical reviews if the product within the product family to ensure “First Time Right” design methodology is followed.•During the bid phase, you will validate the tender compliance to product policy and architecture, guaranteeing the product suitability to the customers' requirements and expectations.But what else? (benefits, specificities, etc.)Here, we craft excellence together.If you're ready to take your career to new heights and be part of a company that's crafting the future of flight, apply today.Why Safran?•A global presence: Be part of a global aerospace, defence & space business with over 100,000 Colleagues, across 300 sites in 30 countries.•Inclusive & empowering environment: We celebrate our differences and believe they make us stronger. We know that a fulfilling work environment is a key driver for innovative ideas and team success.•Innovation at the core: Join our mission to decarbonise aerospace and make the world a safer place. Your ambitions can take us further. •Mobility & training opportunities: We can support your ambitions with training, development, a personalised career plan and mobility opportunities. If you have big dreams, we'll support you to make them a reality. •A culture of excellence: Join a team that values collaboration, integrity, and continuous improvement. Whatever your background, together we aim for excellence.Candidate skills & requirementsDesirable ExperienceWe are looking for candidates with a range of skills and experience. If you have a good mix of the following, we'd love to hear from you:•Degree in aerospace or mechanical engineering preferred.•Substantial experience in the mechanical design of rotating machinery, and ideally electric machines.•An understanding of airworthiness requirements and understanding of EASA/FAA and RTCA regulations.•A solid understanding of the product development process.•A track record of leading NPI project of a reasonable size and budget as a lead or project engineer.•Familiarity with the principles of design cost, design for manufacture and design for assembly with a track record of solution generation to achieve manufacturing costs and assembly needs.•Previous experience using relevant engineering and analysis software tools, including Catia V5, Windchill and Integrity.•Evidence of written English at interview stage.Position locationJob locationEurope, UK, England, LondonCity (-ies)Pitstone