Commercial EV Technical Support Engineer

BYD Europe is seeking a Commercial EV Technical Support Engineer based in Hounslow, UK. The role involves providing technical support for electric trucks and vans, including online diagnostics, mobile consultations, and on-site interventions. Key responsibilities include troubleshooting high-voltage systems, guiding technicians, and drafting technical documentation. Candidates should have a degree in Automotive/Electrical Engineering, experience with HV systems, and strong communication skills. The position requires travel for on-site support.
About the role:

Working location: Hounslow, London

As a Commercial EV Technical Support Engineer, you will be the primary technical authority for our next-generation electric trucks and vans. This role combines digital diagnostics, remote consultation, and hands-on field support. You will ensure that fleet operators and dealership technicians have the expert guidance needed to maintain peak uptime for their electric assets.



Key Responsibilities

Online & Remote Diagnostic Support

Serve as the Tier 2/3 escalation point for technical enquiries via our online support portal and ticketing system.

Use advanced telematics to perform remote health checks and cloud-based diagnostics on high-voltage (HV) battery systems and electric drivetrains.

Guide field technicians through complex software flashing, ECU parameterisation, and ADAS calibration. Analyse "Ghost Faults" and recurring DTC trends to provide feedback to the R&D and team members.

Draft and edit technical documentation, including service bulletins, repair procedures, and troubleshooting guides

Mobile & Telephone Technical Consultation

Provide real-time "Over-the-Shoulder" support via video link or phone for urgent roadside or workshop issues.

Interpret and explain complex HV wiring schematics, thermal management logic, and CAN bus communication protocols to field staff and engineering teams.

Onsite Field & Fleet Support

Travel to customer sites for "Vehicle Off Road" (VOR) emergencies requiring advanced on-site intervention.

Lead root-cause analysis of major component failures, including traction motors, inverters, and onboard chargers.

Deliver on-site technical briefings to fleet managers on performance and battery health optimisation.



Required Qualifications & Skills

Education: Degree in Automotive/Electrical Engineering or a Master Technician certification with specialised EV training (e.g., IMI Level 4 in Electric/Hybrid Vehicle Diagnosis).

Technical Expertise: * Proven experience with high-voltage (HV) systems (300V–800V+).

Mastery of diagnostic tools (e.g., CANalyzer or proprietary OEM software).

Deep understanding of J1939/CAN bus protocols and DC fast-charging standards.

Communication: Ability to distil highly technical engineering data into actionable instructions for workshop technicians.

Skilled in technical writing and documentation management

Proficient in data tools such as Excel, Power BI, and MySQL; basic coding ability in Python or SQL preferred

Self-motivated, curious, and capable of working independently with minimal supervision

Willingness to travel for on-site customer or field team support.



We offer:

Performance and experience based competitive remuneration

25 holidays + public holidays

Scottish Widow workplace pension

Commute allowance

Salary sacrifice car scheme

Department & company wide teambuilding events.

An exciting opportunity to be part of European transition to Zero Emissions transportation and de-carbonization of the economy

Our Purpose is to build a zero-emission future that reconnects humanity with nature and a World of clean air. We are looking for talent that connects with this mission and want to create positive impact by joining a diverse and dynamic team 🌏