Job Description

Req ID: 497711
Location: Derby
Appointment Basis: Permanent
Apply by: 10/12/2025
Salary: circa 53,000 DOE plus bonus
At Alstom, we understand transport networks and what moves people. From high-speed trains, metros, monorails, and trams, to turnkey systems, services, infrastructure, signalling and digital mobility, we offer our diverse customers the broadest portfolio in the industry. Every day, 80,000 colleagues lead the way to greener and smarter mobility worldwide, connecting cities as we reduce carbon and replace cars.
Your future role
Join the team responsible for defining the mechanical architecture of future trains in the UK and abroad. We are looking for an experienced tolerance engineer who is an expert in tolerance management as applied to concept design and system integration on a whole train, vehicle, installation, assembly and detail level.
We'll look to you for:

• Driving dimensional management activities at product level from architectural definition through to serial production
• Datum definition and alignment with manufacturing, providing stack-up analysis to inform and validate build process
• Provide expert dimensional management support to assembly level designers
• Support sub-system engineers with interface definition
• Liaison with central experts and involvement with expert network to support knowledge transfer and process development
• Stack up analysis in support of gap and flush joint definition and assembly strategy
• A high level of cross-functional working with design, system engineering and industrial teams

All about you
We value passion and attitude over experience. That's why we don't expect you to have every single skill. Instead, we've listed some that we think will help you succeed and grow in this role:

• Mechanical Engineering degree or equivalent experience
• Good knowledge of Geometrical Dimensioning & Tolerancing (ISO and/or ASME)
• Good knowledge of stack-up analysis from whole product down to sub-assembly level.
• Knowledgeable in dimensional metrology
• Highly experienced in the creation and / or interpretation of detail and assembly drawings for manufacture.
• Experience of mechanical engineering, mechanical design in transport industry is preferable
• Good understanding of manufacturing and assembly process and the factors influencing this in design
• Experienced CAD user, preferably Catia V5 / V6
• Good communicator, able to co-ordinate and / or support cross functional product development activities

Things you'll enjoy
Join us on a life-long transformative journey - the rail industry is here to stay, so you can grow and develop new skills and experiences throughout your career.
You'll also:

• Enjoy stability, challenges and a long-term career free from boring daily routines
• Collaborate with transverse teams and helpful colleagues
• Contribute to innovative projects
• Utilise our dynamic, inclusive, and safety-focused working environment
• Steer your career in whatever direction you choose across functions and countries
• Benefit from our investment in your development, through award-winning learning
• Benefit from a fair and dynamic reward package that recognises your performance and potential, plus comprehensive and competitive social coverage (life, medical, pension)
• Up to 52 weeks full maternity and adoption pay
• 25 days annual leave plus bank holidays, with the opportunity to buy or sell holiday
• A wide range of flexible benefits that you can tailor to suit your lifestyle

You don't need to be a train enthusiast to thrive with us. We guarantee that when you step onto one of our trains with your friends or family, you'll be proud. If you're up for the challenge, we'd love to hear from you!
Equal opportunity statement:
Alstom is an equal opportunity employer committed to creating an inclusive working environment where all our employees are encouraged to reach their full potential, and individual differences are valued and respected. All qualified applicants are considered for employment without regard to race, colour, religion, gender, sexual orientation, gender identity, age, national origin, disability status, or any other characteristic protected by local law.
As a 'Disability Confident' employer, we will interview all disabled job applicants who match the essential criteria of the job description or specification. We will consider flexible working requests for all roles unless operational requirements prevent otherwise.
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Skills Required