Location: Thursley, Surrey, United Kingdom (on-site)
Contract Type: Full-time, Permanent
About Us: Born in the white heat of Formula 1™, PurpleSector is an engineering‑led, data‑driven consultancy that solves complex, high‑value challenges.
With a team of over 50 engineers and data scientists, we use race‑derived tools, technologies and techniques to uncover critical insights, prototype and validate solutions, and embed lasting performance improvements. Our mission is to decode complexity, unlock efficiency, and deliver measurable results at race pace - turning challenges into performance gains in weeks, not months.
Principal Design & Development Engineer
Role Overview
As Principal Design and Development Engineer, you will play a leadership role in the delivery of prototypes & products for various applications. There will be a significant focus on internal combustion engine technology design and development for this role, however there are opportunities for leading engineering programmes across Manufacturing, Defence and other industries.
Your expertise will be focused on leading the rapid pace design, analysis, and optimisation of prototype & small series production systems and the execution and continuous improvement of processes that deliver products that meet key attributes such as performance, efficiency, and durability requirements. You will lead cross‑functional teams, including mechanical, electrical, data science, and embedded software engineers to ensure the successful development and implementation of your designs.
Key Responsibilities
* Design: Lead the design and development of complex, cross‑discipline components and systems as required. There will be a focus on leading the design of Internal Combustion Engine technologies, as such a deep understanding of high‑performance ICE design is critical to this role.
* Optimisation: Utilize a variety of engineering tools, simulation software, and analytical techniques to optimise the performance (mass, efficiency etc.) of any system.
* Prototyping and Testing: Lead and support the build and testing of component, sub‑system and full assembly prototypes, analysing test results to validate design performance and identify areas for improvement.
* Material and Manufacturing Selection: Determine the most appropriate materials and manufacturing processes that meet design requirements and cost targets. Collaborate with suppliers and vendors to source components, materials, and equipment necessary for product development.
* Design Documentation: Prepare detailed engineering drawings, specifications, and technical reports to communicate design intent, requirements, and validation results. Act as final approval for design release to manufacture, including high value, project critical prototype parts.
* Cross‑functional Collaboration: Act as the Design and Development lead within Integrated Project Teams, made up of interdisciplinary individuals, including Executive Sponsors and Technical Project Leads, to ensure seamless integration of designs into larger systems or broader commercial opportunities.
* Regulatory Compliance: Be aware of current and proposed relevant industry standards and regulations, ensuring designs meet applicable emissions and safety requirements.
* Continuous Improvement: Drive continuous improvement initiatives in design processes, tools, and methodologies to enhance rapid delivery, efficiency, quality, and innovation.
* Mentorship and Leadership: Provide technical guidance and mentorship to junior engineers, supporting their professional development to ensure their potential is realised.
Requirements
* Bachelor's or Master's degree in Mechanical Engineering, or a related engineering discipline. A PhD in a relevant discipline would be advantageous.
* Extensive proven experience in design, preferably in motorsport, automotive, aerospace, or high value engineering industry.
* Extensive proven experience in acting as technical leadership for internal combustion engine design and development programmes.
* High‑level proficiency in CAD software (SolidWorks, CATIA etc.) for 3D modelling and drafting.
* Expertise with high value component manufacturing processes, materials selection, and tolerancing principles.
* Excellent problem‑solving and analytical skills, with the ability to identify design issues and propose effective solutions.
* Excellent communication skills, both written and verbal, with the ability to convey complex technical concepts to non‑technical stakeholders.
* Proven ability to work effectively in cross‑functional teams, collaborating with engineers from various disciplines.
* Proven experience with project management and leading design projects from concept to production is crucial.
* Energised to exceed expectations.
Employee Benefits
* 25 days holiday (pro‑rated for part time employees)
* Life insurance 4× salary
* Employee Assistance Scheme
* Up to 10% discretionary annual bonus (based on individual/company performance)
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