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# Principal Avionics System Engineer

- **Company:** Alder Forest
- **Location:** Eccles, UK
- **Experience:** Expert
- **Contract:** Permanent contract
- **Skills:** Systems Engineering, Computerized Maintenance Management Systems, Safety Critical Systems
- **Published:** October 3, 2026
- **Apply:** https://www.apply4u.co.uk/jobs/principal-avionics-system-engineer/50079172

## About the Role

Organisation environment. Provide technical guidance and mentoring to engineers and developing engineering professionals. Identify engineering risks, dependencies and technical challenges and develop effective solutions. Support technical bids, proposals and business development activities where required. Contribute to continuous improvement of engineering processes, quality and technical governance. Travel to customer sites and aircraft locations as required. About You We are looking for an experienced aerospace professional with a strong background in avionics and electrical systems engineering, ideally gained within aircraft modification, integration, aerospace or defence environments. You will ideally have: Degree/HND/HNC or equivalent qualification in Avionics, Electrical, Aerospace or Systems Engineering. Significant experience working with aircraft avionics and electrical systems. Experience within a Part 21J Design Organisation or similar regulated aerospace environment. Strong
understanding of airworthiness and certification processes. Experience producing and reviewing wiring diagrams, schematics and installation drawings. Experience with Electrical Load Analysis and aircraft electrical architecture. Experience supporting aircraft installation, integration and testing. Knowledge of certification and compliance activities. Ability to interpret aircraft technical documentation, including AMMs, IPCs, CMMs, wiring manuals, engineering drawings and OEM documentation. Strong technical report writing and presentation skills. Excellent communication and stakeholder management skills. Experience providing technical leadership, mentoring or guidance to other engineers. Experience in one or more of the following would be advantageous: Aircraft modification and installation programmes. Military and/or commercial aircraft. Safety-critical systems. DO-178 / DO-254 environments. ARP4754A / ARP4761. Safety assessment and hazard analysis. Reliability and failure mode analysis.
EMC testing and certification. Compliance Verification Engineer activities. Experience leading multidisciplinary engineering teams. Why Join? This is an excellent opportunity for a technically strong Principal Engineer to take a leading role within a growing aerospace engineering environment. You will have the opportunity to work on technically challenging aircraft programmes, influence engineering solutions, support the development of other engineers and work directly with customers and key aerospace stakeholders. If you are an experienced Avionics/Electrical Systems Engineer looking for your next senior technical challenge, we'd be keen to hear from you. Apply now or get in touch for a confidential discussion. TPBN1_UKTJ

## Description

Principal Avionics & Electrical Systems Engineer We are looking for an experienced Principal Avionics & Electrical Systems Engineer to join a growing aerospace engineering team, supporting the design, development, integration and certification of complex aircraft avionics and electrical systems. This is a senior technical role offering the opportunity to work across a broad range of aircraft modification and systems engineering programmes, working closely with customers, suppliers, engineering teams and airworthiness professionals. The Role As Principal Avionics & Electrical Systems Engineer, you will provide technical leadership across avionics and electrical engineering activities, supporting the delivery of aircraft modification and installation programmes from concept through to certification, installation and testing. You will work closely with customer engineering teams to develop robust engineering solutions that meet customer requirements, regulatory standards and