We are seeking a Hardware Electronics Design Engineer to join our team and take ownership of the design, qualification, and verification of airborne electronic hardware. The ideal candidate is a self-motivated professional who works independently, collaborates across disciplines, seeks input from experienced colleagues, and consistently delivers high-quality results on a timely manner. You will be responsible for developing high-reliability electronic hardware for aerospace applications—including avionics, mission computing, and embedded systems—in accordance with ZeroAvia and relevant aerospace standards. ZeroAvia is at the forefront of a new clean aviation ecosystem, and the successful candidate will be joining a world-class team that is passionate about designing and delivering solutions that are not just carbon-emission free but also cost-effective. Requirements The role: Design, development, integration and verification of reliable power, analog and mixed signal electronics. From Schematic Capture to Layout. Selection of components, generation of the required documentation for traceability, compliance, and configuration control in accordance with ZeroAvia aerospace industry standard processes for manufacturing handoff, following internal and aerospace industry standard processes. Conduct hands-on testing, create and develop the required harnesses, test rigs and use of Oscilloscope, DMM, VNAs, spectrum analysers to commission and verify your designs. Collaborate with Systems, Mechanical, and Software teams and other stakeholders to support the integration of HW electronic circuit card designs. HW Development Assurance Activities: Own your design throughout your development cycle. Produce the required documentation for reviews, drive, address findings, and perform follow-up activities. Support compliance with DO-254 Design Plan objectives and activities for simple and complex electronic hardware, including documentation, traceability, verification, and validation processes. Process Assurance: Maintain comprehensive documentation to ensure traceability, compliance, and configuration control, in alignment with ZeroAvia's design processes and procedures. Conduct risk assessments, applying due diligence and contributing to the continuous improvement of ZA’s standards. Collaboration: At ZeroAvia, we embrace the principle of "One Team, One Goal"—you will need strong communication skills and the ability to collaborate effectively across multidisciplinary design teams. Technical Skills: Proficient in Altium Designer or Mentor Siemens EDA. Proficient in modelling electronic circuits using SPICE-based simulation tools Able to analyse and validate analog and mixed-signal designs through simulation. Knowledge of physical implementation and good signal integrity practises of SPI, I2C, RS485, Ethernet and CAN communication interfaces. Strong understanding of Electrical safety (Creepage and clearance, insulation requirements, etc). Strong understanding of Low-Level Analogue circuit design and digital signal processing. Strong skills in designing and implementing data acquisition systems. Proven experience working with microcontrollers and digital signal processing. Strong understanding designing electronics hardware to meet qualification and environmental requirements (EMC testing, etc). Experience Required: Bachelor’s degree in Electronics Engineering, Electrical Engineering, or an equivalent professional experience in hardware electronics design. 5 Years Hardware Development Experience. Experience Desired: Experience working in a Design Organisation Approval (DOA). Design Experience against IEC 60664. DO-160 or MIL-STD-810. Familiarity with Low and high voltage systems (up to 1.5KV). Experience in designing airborne electronics hardware. Proficient in LTSpice, or Simetrix. Benefits At ZeroAvia, we’re clean sky thinkers. For the world to achieve truly clean, guilt-free flight, we need a scalable solution; hydrogen-electric powertrains. As a leader in zero-emission aviation and a UK Jet Zero Council member, we’re designing and commercialising hydrogen-powered solutions that will positively impact the future of aviation, global connectivity, and the world. Engineering designs our next-generation hydrogen electric engines. Working across Hydrogen, Propulsion and Integration divisions, they solve technical problems and help decarbonize aviation by finding solutions for electric propulsion, hydrogen storage, fuel cell technology, power distribution, thermal management and more. Cotswold Airport (Kemble) Join us at Cotswold Airport, home to some of our aircraft and the workplace of many ZeroAvians. Located just outside the historic market town of Cirencester, you’ll experience a workspace built by engineers for engineers. This is a high-velocity and fast-paced environment with good links to the M4 and M5, so it’s fitting that it’s also our UK Head Office. 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 fueled up so you can help us deliver the technology of the future Sports, games and culture clubs – connect and keep fit with other ZeroAvians by joining one of our subsidised clubs – such as, running, cycling, padel, trivia, theatre and gardening. We also offer: Stock options – so youcan share in our success. 5 hours of free flying lessons 25 days holiday, plus public holidays – 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, Cycle to Work, and Ikea Furniture. Weekly Spot Bonuses to reward excellence. Income Protection and Legal Support for peace of mind. Relocation Support to make your move seamless. Diversity and Inclusion 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.