Safety & Reliability Engineer

We are seeking a capable Safety and Reliability Engineer to join Zero Avia based in Kemble. This role combines system safety assessment with reliability, availability, and maintainability (RAM) engineering, supporting the development and certification of advanced aerospace systems.

This is a critical position supporting the delivery of certified, zero‑emission aircraft propulsion systems, directly contributing to Zero Avia’s mission. The role works closely with multidisciplinary engineering teams to produce robust, compliant safety justifications and credible reliability evidence for complex and novel technologies.

• Conduct System Safety Analyses in accordance with ARP
  4761A, including FHA, PSSA, SSA, FTA, FMECA, CCA, PRA, and ZSA
• Develop and execute reliability predictions and analytical models to support RAM targets and certification objectives
• Define Built‑In‑Test (BIT) coverage and system health monitoring requirements, embedding observability into system architectures
• Generate clear, verifiable safety and reliability requirements aligned with programme and airworthiness objectives
• Define and recommend reliability test strategies, including RDGT and qualification/demonstration approaches
• Analyse in‑service reliability data to drive product improvement and inform maintenance and spares strategies
• Develop and communicate robust safety arguments for complex systems (e.g. fuel cell technologies) to internal and external stakeholders
• Support certification activities, including regulatory engagement, familiarisation meetings, and technical reviews

• Bachelor’s or Master’s degree in Engineering; aerospace, safety, or reliability specialisation preferred
• Minimum 5 years’ experience in safety and/or reliability engineering within aerospace or a regulated industry
• Strong knowledge of ARP
  4761A safety assessment processes (e.g. FHA, FTA, FMEA/FMECA, CCA)
• Proven experience performing reliability analyses, including prediction, FMECA, FTA, and PoF
• Working knowledge of reliability standards (e.g. MIL‑HDBK‑217F, FIDES, Telcordia)
• Experience defining BIT strategies and system health monitoring architectures
• Familiarity with ARP
  4754 systems development processes and safety‑critical certification frameworks
• Understanding of aerospace certification (e.g. CS‑23, CS‑E) and awareness of DO‑178C / DO‑254

Why Join Us?

We want to help you be your best self, at work and at home, that’s why we provide our employees with…

• Private health and dental care
  – get access to services and support when you need them. Add your family members too.
• Mental health support
  – enjoy a culture where positive mental health is front of mind with our trained Mental Health First Aiders, Employee Assistance Programmes and wellbeing support.
• Free lunch and healthy snacks
  – keeping you fuelled up so you can help us deliver the technology of the future
• Sports, games and culture clubs
  – connect and keep fit with other Zero Avians by joining one of our clubs – such as, running, cycling, padel, trivia, theatre and gardening.

We also offer:

• Stock options
  – so you can share in our success.
• 25 days holiday, plus public holidays and additional days awarded for long service
  – to help you manage your work-life balance.
• Free EV Charging
  and membership in our EV Club.
• Salary Sacrifice Schemes
  for EV Club, Curry's Tech and Cycle to Work
• Weekly Spot Bonuses
  to reward excellence.
• Income Protection and Legal Support
  for peace of mind.
• Relocation Support
  to make your move seamless.

As an emergent company shaping the aviation industry, we know that diversity fuels success and unlocks potential. We embrace being an equal‑opportunity employer and actively seek individuals from diverse backgrounds. We value the multitude of skills, perspectives, and mindsets everyone can bring to the table. These experiences ignite creativity, originality, and growth. We proudly reject discrimination in all forms, including that based on race, religion, color, national origin, sex, gender expression, sexual orientation, age, marital status, veteran status, or disability status.

Thinking about joining the aviation revolution? Why join us?