Commercial EV Technical Support Engineer

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., 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.

Do you have experience in Technical writing?, 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.

Pulled from the full job description

• Company pension
• Company events
• Car scheme, * 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