Mechanical Design / Project Engineer
G K & N Services are a specialist builder of bespoke vehicles for the tanker building, jetting, drainage and welfare industries. We are looking for a mid to senior Mechanical Design / Project Engineer to take full ownership of complex, bespoke vehicle build projects. You will manage designs from initial customer specification through to build, commissioning and aftersales support, working closely with our workshop to ensure high-quality delivery. This is not a routine CAD role — you will see your designs built, tested and in operation. Key Responsibilities * Lead mechanical design of complex, bespoke specialist vehicles * Manage projects end-to-end, from concept through build, commissioning and aftersales support * Produce detailed drawings, build packs, BOMs and technical documentation * Plan and manage project schedules, milestones, and technical deliverables * Act as the main technical point of contact for design, workshop, suppliers and customers * Resolve mechanical (and interface with vehicle electrical) issues during build and commissioning * Ensure designs comply with relevant engineering, vehicle and safety standards * Mentor or guide junior engineers or technicians as required Skills & Experience * Mechanical Engineering qualification or equivalent industry experience * Proven experience in mechanical design and delivery of bespoke vehicles or special-purpose machinery * Experience managing complex engineering projects * Strong understanding of vehicle build and workshop practices * CAD experience (SolidWorks, Inventor, or similar) * Knowledge of hydraulics, pipework or fluid systems desirable * Awareness of vehicle electrics and mechanical interfaces * Organised, practical, solution-focused, capable of managing multiple projects * Comfortable taking full responsibility for project delivery and quality What We Offer * Salary £40,000 – £50,000, depending on experience * Bupa healthcare * Full ownership of complex vehicle projects from concept to commissioning * Direct collaboration with workshop and commissioning teams * Varied and interesting, hands-on engineering projects * Stable, growing business with long-term career prospects