Principal Research Engineer
26 days ago
Bristol
Principal Research Engineer – Cryogenics 📍 Bristol, UK (Hybrid) 💼 Full-Time Shape the Future of Sustainable Aerospace We are seeking an exceptional Principal Research Engineer – Cryogenics to lead the development of next-generation cryogenic electrical power distribution systems for hydrogen-powered aerospace applications. This is a rare opportunity to work at the forefront of sustainable aviation, driving MW-class cryogenic power technologies from early-stage research (TRL 1) through validation and system integration (TRL 6). You will play a critical role in defining technical strategy, influencing long-term technology roadmaps, and translating breakthrough research into certifiable aerospace systems. The Opportunity As a technical authority in cryogenic systems, you will: • Lead system architecture and component design for cryogenic-electrical power distribution (20K–70°C), • Drive development of MW-class superconducting/high-current systems, • Own system requirements, safety assessments, and certification strategy (including DO-160 compliance), • Define materials, design principles, and scalable technology solutions, • Lead validation, verification, and qualification activities, • Chair design reviews and provide technical governance across multidisciplinary teams, • Mentor engineers and grow internal cryogenic capability, • Shape and protect intellectual property aligned to long-term hydrogen propulsion strategy What We’re Looking For • BEng (or equivalent) with 8+ years’ relevant experience, • Strong grounding in thermodynamics and mechanical principles, • Proven experience in cryogenic system development and integration, • Experience with superconducting or high-current power systems, • Understanding of material behaviour in cryogenic environments, • Experience across full product lifecycle (concept to certification), • Knowledge of safety assessments, risk evaluation, and airworthiness requirements, • Ability to lead complex technical programmes and cross-functional teams Why Join? • Hybrid working (Bristol-based), • Competitive salary + performance bonus, • Industry-leading pension scheme, • Private medical and life assurance, • Flexible working hours (including early Friday finish), • The opportunity to redefine aerospace power and propulsion