Principal Mechanical Engineer

6 days ago


London, United Kingdom Gerrell & Hard Full time

Lead / Principal Mechanical Engineer - EV Charging Location:Hybrid / Bicester Type:Permanent Salary:Competitive TUAL Technology is an innovative, VC-backed start-up based in Bicester, developingPowerUpa high-power EV charging solutiondesigned for grid-constrained sites. By integrating battery storage, smart energy management, and ultra-fast DC charging, TUAL delivers seamless electrification where traditional grid capacity falls short. Working with enterprise customers across Europe, TUAL is transforming the productivity and profitability of electric commercial vehicle fleets through a portfolio of intelligent, software-defined, cloud and IoT-enabled charging solutions. The Role TUAL is seeking a hands-onLead Mechanical Engineer with proven experience inEV charging systems or related high-power electronicsto lead the development, testing, and delivery of our advanced charging platforms. Youll take ownership of mechanical architecture, thermal management, structural components, and wiring harnessesguiding products from concept through to production. This is a key technical role in a fast-moving, VC-backed start-up, working closely with the VP Product to shape and realise high-performance charging hardware for commercial fleets. What Youll Do Lead mechanical development of chargers, HV/LV subsystems, cooling systems, and enclosures Build, test, and validate prototypes and final products against performance targets Define and maintain design-for-manufacture and quality processes (DFMEA, PPAP) Run the in-house build & test lab and resolve technical challenges Collaborate with suppliers, partners, and internal teams to optimise manufacturability and cost Lead certification, compliance, and regulatory testing Mentor engineers and technicians, driving continuous improvement Your Background MEng in Mechanical, Electrical, or Automotive Engineering Significant experience in EV charging, high-power electrical systems, or energy storage hardware Strong knowledge of thermal management, structural components, HV systems, and assembly processes Experience with FMEA, quality planning, and testing methodologies Hands-on, pragmatic, and able to work autonomously in a dynamic start-up environment Familiarity with fleet vehicle applications or large-scale charging infrastructure is highly advantageous Why Join This is your chance to own the mechanical engineering ofPowerUp , our cutting-edge EV charging system, in a small, fast-growing start-up with global ambitions. Youll see your work delivered in real-world products and help transform electrification for commercial fleets.TPBN1_UKTJ



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