Our client, a leader in the aerospace sector, is seeking an Electrical/Avionic Design Engineer to join their team in Frimley. With a century of innovation in commercial, defence, and space services, our client drives efficiency and optimises operations through engineering, digital aviation, analytics, supply chain logistics, and training support. This is an excellent opportunity to become part of a best-in-class team, contributing to the future of commercial aircraft modification. Key Responsibilities: Work with the global engineering services team to identify requirements and solutions for active and upcoming projects. Lead and contribute to design activities, ensuring compliance with design requirements. Address certification and design/integration issues related to electrical/avionic equipment and systems changes for large aircraft modifications. Lead certification activities to ensure compliance with regulatory requirements, including on-wing test witnessing. Compile and check engineering documentation and instructions for continued airworthiness, including wiring diagrams, wire routing installation drawings, harness fabrication drawings, service bulletins, and manual supplements. Compile and check certification documents to demonstrate compliance with relevant electrical systems related airworthiness requirements, including electrical load analysis documents, test plans/reports, compliance statements, safety/equipment qualification d...