I am recruiting a Field Service Engineer with experience with automotive electrical systems (12V/24V, wiring harnesses, CAN Bus) to support our clients in the Essex area. The role is offered with a salary of £34000 to £38000 deending on your level of experience. You will be on the road a lot You will be working with first responder fleets (paramedics, ambulances etc so the role offers the chance to have a positive effect on someones life) The role Installation & Integration * Perform advanced electrical installations and calibrations on 12V/24V emergency vehicles. * Configure hardware and software to meet customer specifications. * Validate installations and perform functional testing for seamless integration. * Document all work for internal knowledge sharing and customer records. Technical Support & Troubleshooting * Diagnose and resolve complex electrical, telematics, and integration issues — on-site and remotely. * Interface with CAN Bus, ECUs, and vehicle networks using advanced diagnostic tools. * Provide rapid, structured solutions to minimise fleet downtime. Customer Training & Support * Deliver demonstrations and technical training sessions for customers. * Act as the primary technical liaison during field deployments and support cycles. * Provide feedback to our R&D and engineering teams to drive continuous product improvement. You must have proven exp...