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Principal Mechanical Design Engineer

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Location Derby
Job type Temporal
Publication date 10 February 2026
3 people applied for this job

General Description

Principal Mechanical Design Engineer Derby, Derbyshire

Read the overview of this opportunity to understand what skills, including and relevant soft skills and software package proficiencies, are required.
Up to £75,000 + Benefits (flexible)
* The position will suit an experienced mechanical design engineer looking for an opportunity to develop their career within a fast-paced organisation at the cutting edge of engine design and development.
* You will be responsible for the concept design, development and delivery of hydrogen and diesel engine / powertrain systems and components from concept to launch.
* You will also ensure robust system/component regulations, quality, cost and timing requirements are met.
* As a principal engineer you will lead a small team and be required to mentor and develop the engineers utilising your wealth of experience with engine / powertrain technologies.
The Role: Principal Mechanical Design Engineer
You will be responsible for:
* End-to-end mechanical design engineering activities (research, concept, 3D design, delivery and launch) relating to engine design, for example; Valvetrain design (DOHC / SOHC), Timing gear systems, Crankcase ventilation (CCV), Aftertreatment systems (e.g., DEF / SCR), Fuel systems, including hydrogen experience, Air handling systems (e.g., intake manifolds, throttle bodies)
* Supporting in-house quality, manufacturing and service teams in resolving complex technical issues that lead to engineering change
* Creating clean sheet concept designs from first principles. Plan and execute Proof-of-Concept assessment either through test campaign, and/or first principle analysis and simulation
* Supporting product development, ensuring design for assembly and achieving quality in design.
* Creating engine system and component specifications and designs based on agreed requirements with key stakeholders.
* Assisting with the development of engine system and component FMEAs and DVPs, Coordinate and supervise DVP activities (e.g. analytical, simulation, and rig/engine/machine testing)
* Resolving engineering issues using structured problem-solving methodologies (e.g. Global 8D, DMAIC)
* Supporting suppliers via APQP process; deliver prototypes and PPAP parts to schedule and fulfil quality and performance requirements
Skills / knowledge required: Principal Mechanical Design Engineer
* A degree in a mechanical engineering discipline, with a sound understanding of fundamental Mechanical Engineering principles
* A sound grasp of engine product development cycle and expertise in engine system and component specification, design, development and sign-off
* Broad understanding of dynamic, reciprocating/rotating systems.
* Ability to work well under pressure and to meet deadlines with the ability to communicate clearly and concisely at all levels
* Demonstratable proficiency in use of 2D drawing and 3D Modelling packages with knowledge of mechanical engineering GD&T and manufacturing processes. (NX, Creo, Catia, SolidWorks etc)
* Ability to lead projects and mentor/support junior engineers in the team
* Knowledge of engine cooling, thermodynamics, induction systems would be beneficial
The company offers excellent training and development with fantastic benefits including bonus, pension, health and 33 days holiday coupled with up to relocation and support with visa applications. xwzovoh This is a full-time, office-based role in Derbyshire, UK. Relocation and visa sponsorship can be considered for the right candidate. Commutable from: Rocester, Stoke-on-Trent, Derby, Nottingham, Birmingham, Uttoxeter, Stafford, Burton-on-Trent

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