Vehicle Systems Engineer

Exeter, UK Lightfoot About the role This role sits at the heart of Lightfoot's vehicle compatibility programme. The Vehicle Systems Engineer is responsible for acquiring, researching, and reverse engineering the latest EV and commercial vehicles to extract the key data that underpins Lightfoot's driver behaviour and efficiency platform, enabling full functionality of in-cab Lightfoot products. They will support these responsibilities through automating processes and tooling. The role requires a methodical, proactive approach to building and maintaining a vehicle integration pipeline, delivering a growing portfolio of integrated vehicles. It also demands strong stakeholder relationships with vehicle OEMs, builders, and fleet operators. Location: This can be peformed remotely but will require occasional travel to vehicle suppliers, OEM partners, and customer fleet sites. Hours: This is a full time role working 37.5 hours a week, across Monday - Friday. Main Duties and Responsibilities Vehicle Acquisition and Connectivity: Source and acquire target vehicles for integration based on the vehicle integration roadmap Identify and access vehicle data through interfaces such as OBDII, proprietary connectors, inductive sensors, and direct vehicle loom access Capture and log raw vehicle data in a structured and contextualised format enabling analysis and simulation Decode and map signals to derive meaningful parameters such as speed, battery state, torque, and fault codes Document integrations for usage by Field Installation Engineers and customer self-installers Automation and Tooling: Optimise integration processes through automation and enhanced tooling Own and continually improve vehicle data simulator(s) for process optimisation and integration testing Delivery Pipeline and Roadmap: Drive a high cadence of vehicle integrations, ensuring new vehicle support reaches production at pace Contribute to the vehicle integration roadmap, prioritising own work accordingly Track progress against integration targets and proactively flag risks or blockers Stakeholder Relationships: Maintain close relationships with vehicle OEMs and bodybuilders to obtain technical documentation and early access to new platforms Coordinate field research and testing of new integrations with Field Installation Engineers Act as the technical point of contact for vehicle compatibility queries from internal teams and Field Installation Engineers Collaboration and Support: Work closely with the Embedded & Vehicle Systems team to translate findings into firmware and application updates Contribute to root cause analysis for vehicle compatibility issues raised in the field Support pre-sales and account management with vehicle compatibility assessments where required Creativity & Innovation Proactively identify new approaches to vehicle data acquisition as OEM architectures evolve Contribute ideas to improve integration tooling, documentation practices, and testing processes Stay current with EV platform developments and emerging vehicle communication standards Levels of Responsibility Accountable for delivery cadence Works with a high degree of autonomy, reporting progress to the Head of Embedded & Vehicle Systems Represents Lightfoot externally with OEMs and fleet stakeholders Key Skills Supports and embodies Lightfoot's core values: To Care, To Deliver, To Innovate Strong programming skillset, including Python and C/C++ Experience of vehicle systems, including diagnostics and electrical architecture Deep technical knowledge of diagnostic standards (e.g. SAE J1939, SAE J1979) Strong analytical mindset with excellent attention to detail Proactive planner who can manage a broad workload and maintain momentum Confident communicator with internal teams, OEMs, and fleet customers Commercially aware and outcome-focused Comfortable working with physical vehicles and diagnostic hardware