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Expleo Group

Senior Mechanical Design Engineer – EV Battery Cooling, Thermal Systems

Expleo Group

. Design and develop mechanical components and assemblies for EV battery cooling and thermal systems .

Posted 5/14/2026full-timeGuildford • 🇬🇧 United KingdomSeniorWebsite

About the role

Key responsibilities & impact
  • Design and develop mechanical components and assemblies for EV battery cooling and thermal systems
  • Produce 3D CAD models and 2D manufacturing drawings using CATIA V5
  • Apply GD&T principles in accordance with automotive standards
  • Support requirements capture and engineering specification activities
  • Perform engineering calculations including: Conduct interface and packaging checks between new and existing vehicle systems
  • Prepare CAD models and geometry for CFD analysis
  • Support DFMEA activities and engineering risk assessments
  • Collaborate with suppliers to ensure Design for Manufacture (DFM) considerations are achieved
  • Support engineering release activities through PLM/PDM systems
  • Participate in design reviews and cross-functional engineering discussions
  • Ensure all work is completed in line with programme timing, quality, and engineering standards

Requirements

What you’ll need
  • Bachelor’s or Master’s degree in Mechanical Engineering, Automotive Engineering, Mechatronics, or a related engineering discipline
  • Strong mechanical design engineering capability within automotive environments
  • Advanced experience using CATIA V5
  • Excellent understanding of: GD&T, Tolerance analysis, Mechanical packaging, DFM principles
  • Experience designing cooling system components such as: Expansion tanks, Coolant hoses, Pipework, Brackets and mountings, Clamping systems
  • Ability to perform engineering calculations and design validation activities
  • Familiarity with DFMEA processes and engineering release workflows
  • Strong communication and cross-functional collaboration skills
  • Ability to work independently within fast-paced engineering programmes
  • 5+ years’ experience in automotive mechanical design engineering

Benefits

Comp & perks
  • Collaborative working environment – we stand shoulder to shoulder with our clients and our peers through good times and challenges
  • We empower all passionate technology loving professionals by allowing them to expand their skills and take part in inspiring projects
  • Expleo Academy - enables you to acquire and develop the right skills by delivering a suite of accredited training courses
  • Competitive company benefits
  • Always working as one team, our people are not afraid to think big and challenge the status quo

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Hard Skills & Tools
mechanical design engineering3D CAD modeling2D manufacturing drawingsGD&Tengineering calculationsCFD analysisDFMEAdesign validationDFM principlestolerance analysis
Soft Skills
strong communicationcross-functional collaborationindependent workability to meet deadlinesproblem-solving
Certifications
Bachelor’s degree in Mechanical EngineeringMaster’s degree in Mechanical EngineeringBachelor’s degree in Automotive EngineeringMaster’s degree in Automotive EngineeringBachelor’s degree in MechatronicsMaster’s degree in Mechatronics