Commercial EV Technical Support Engineer

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