Chief Avionic Systems Engineer Permanent | Hybrid (4 days on‑site) We are seeking a highly experienced Chief Avionic Systems Engineer to lead the technical direction, certification, and airworthiness of safety‑critical electronic and avionics systems. You will act as a senior engineering authority, a design signatory, and a key member of the Airworthiness Board. Key Responsibilities Act as Company Design Signatory for initial and continued airworthiness. Lead certification activities and interface with the UK CAA. Chair technical reviews, Change Control Boards and Problem Review Boards. Oversee requirements, architecture and verification activities for avionics/electronic systems. Ensure compliance with civil aviation standards and support AS9100 audits. Guide engineering teams, mentor early‑career engineers, and support continuous improvement. Essential Experience Degree in engineering (electronics, avionics, systems or similar). 15+ years in aerospace systems/avionics engineering. Strong knowledge of: ED‑79B (ARP4754A) ED‑12C (DO‑178C) ED‑80 (DO‑254) ED‑135 (ARP4761) CS‑ETSO, CS‑23/25/27/29, AMC & GM Experience in DO‑160G environmental/qualification testing. Background in configuration/change control and fault investigation. Demonstrated ability to work with certification authorities. Desirable Chartered Engineer (CEng). Significant avionics systems certification leadership experience. What You'll Bring Strong technical judgement and decision‑making under pressure. Ability to lead multidisciplinary teams and communicate with senior stakeholders. A proactive, collaborative approach with a focus on safety, compliance and engineering excellence