Senior Mechanical Engineer – JCB Power Systems

This exciting opportunity is based at JCB Power Systems, our dedicated engine development centre in Foston, Derbyshire. As a Senior Mechanical Engineer, you’ll be joining a passionate and innovative team at the forefront of powertrain technology, including cutting‑edge developments in hydrogen and combustion engines. With a focus on engineering excellence and sustainability, this role offers the chance to make a real impact as we drive forward our mission to build a cleaner, more efficient future.

• Solve a range of engineering problems from new concept design to current product issue resolution
• Lead the definition of detailed models, full engine assemblies, and supporting design documentation
• Mentor junior engineers and support ICE platforms (including Hydrogen), taking designs from concept to production
• Collaborate with internal customers to integrate engine solutions into heavy‑duty products
• Use CAD (Siemens NX preferred) to produce and validate designs with supporting technical documentation
• Apply and check GD&T standards and ensure design accuracy
• Conduct benchmarking to inform and improve design effectiveness

• You have relevant experience and can work independently, applying engineering first principles to develop robust solutions
• You hold a degree in mechanical engineering or a related discipline, with strong attention to detail and a data‑driven mindset
• You’re confident working under pressure, managing deadlines, and planning work effectively
• You communicate clearly and concisely across all levels
• You have a practical understanding of ICE operating principles and mechanical engineering manufacturing processes
• You’re highly skilled in producing drawings, models, and working with assemblies (Siemens NX preferred)
• You have experience with FEA (advantageous)

Ordinarily, our Resourcing Team reviews and shortlists CVs. If shortlisted, you’ll speak to one of our Recruiters to discuss the role further. Our interview process usually consists of an initial Teams interview followed by an in‑person interview. We’ll keep in touch throughout the process, but if you have any questions, please get in touch at

This is your chance to join a company that values expertise not only in rewards but also in real employee care. At JCB you don’t just get a competitive salary, 33 days’ holiday and access to our company pension—you can also use our onsite gym, in‑house doctor, dentist and visiting optician. We have an ULEV car scheme available for our employees too. Then there’s the JCB Rewards Hub, which gives you discounts with high street retailers. Feel like biking to work? There’s our Cycle to Work Scheme.

We’re committed to ensuring our recruitment process is fair and inclusive. If you face any accessibility challenges with your online application and require additional support, you have the option of speaking to a member of our Recruitment Team who can support you to complete an application in an alternative format. If you would benefit from this support, please email , and a member of the team will be in touch.