ZeroAvia Inc

At ZeroAvia, we're accelerating the transition to zero-emission aviation through the development of hydrogen-electric propulsion. We are thrilled to share an opportunity to join our team as Chief Engineer to lead us through a pivotal stage in the development of our fuel cell system. We are looking for exceptional technical leadership to drive product maturity, manage complex engineering challenges and ensure successful execution against critical programme milestones. Based at our UK headquarters at Cotswold Airport (Kemble), the Chief Engineer will lead the development, testing and certification of a stand alone, multi platform fuel cell system for aerospace applications. This role is accountable for maintaining technical integrity, providing strategic engineering leadership and ensuring delivery in accordance with ZeroAvia's Design Organisation requirements. Oversee all design work conducted by the Engineering Teams, participate in Design Review meetings, as appropriate. Manage design work and coordinate between teams for their projects, overseeing resources and personnel, both internal and external, to ensure appropriate training and authorizations are in place. Support investigations and implement corrective actions in response to reported defects or failures related to their projects, as directed by the HDO or the initiating party. Keep the senior managers informed about progress and issues related to their projects, ensuring project teams use best practices and providing guidance and mentoring when needed. Identify and highlight any risks that could impact successful project delivery, maintain records of project progress, and ensure forward visibility of deliverables and key milestones. Experience and qualifications 10+ years of experience in technical leadership role in similar responsibilities in the aerospace industry Bachelor's degree in aerospace, mechanical or comparable engineering discipline and commensurate depth of technical experience. Experience in Part 21J, Part 21G, Part 145, CS 23, CS 25, CS E, standards and processes Excellent interpersonal skills and level of spoken and written English, 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 ZeroAvians 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 Chargingand membership in our EV Club. Salary Sacrifice Schemesfor EV Club, Curry's Tech and Cycle to Work Weekly Spot Bonusesto reward excellence. Income Protection and Legal Supportfor peace of mind. Relocation Supportto 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.

ZeroAvia Inc. seeks a Chief Engineer to lead the development, testing and certification of a standalone, multi platform fuel cell system for aerospace applications. Based at the UK headquarters at Cotswold Airport (Kemble), you will drive product maturity, manage cross functional engineering challenges and ensure delivery against critical milestones. You will provide strategic engineering leadership, maintain technical integrity and ensure compliance with ZeroAvia's Design Organisation

We are seeking an experienced Senior Systems Engineer (IVVQ) to join ZeroAvia based in Kemble. This role owns and drives the planning of validation, integration, verification, and environmental qualification test campaigns across the ZA200 propulsion system, flexing across these activities as programme needs evolve. This is a critical position supporting the delivery of certified, zero emission aircraft propulsion systems, directly contributing to ZeroAvia's mission. Responsibilities Own and deliver IVVQ activities across aircraft, system, and item levels for the ZA200 fuel cell system Develop and maintain V&V, integration, and qualification plans, ensuring alignment with lifecycle and programme schedules Plan and execute validation, integration, verification, and DO-160G environmental qualification campaigns Authorise test specifications, procedures, execution, and results; lead defect investigation and resolution Lead IVVQ reviews and represent IVVQ at design reviews, managing verification risk and stakeholder alignment (customer, regulator, suppliers) Collaborate cross-functionally (Airworthiness, Certification, Safety, Test, Design) to deliver compliant IVVQ in line with ARP4754B / ARP4761A Experience & Qualifications Degree in Aerospace, Electrical, Mechanical, or related engineering discipline (Master's preferred) 6+ years' systems engineering experience in aerospace, including certified or in certification programmes Strong working knowledge of ARP4754B (essential), with familiarity of ARP4761/A, DO-178C, DO-254 Proven experience planning and executing system-level IVVQ programmes, including verification strategy, test development, and traceability Experience with DO-160G environmental qualification and supplier test oversight (including witnessing and data acceptance) Proficiency with requirements tools (e.g., Polarion); experience in propulsion, fuel cell, electric, or emerging aerospace systems advantageous Benefits 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 ZeroAvians by joining one of our clubs - such as, running, cycling, padel, trivia, theatre and gardening. 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 Chargingand membership in our EV Club. Salary Sacrifice Schemesfor EV Club, Curry's Tech and Cycle to Work Weekly Spot Bonusesto reward excellence. Income Protection and Legal Supportfor peace of mind. Relocation Supportto 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. Thinking about joining the aviation revolution?

ZeroAvia Inc in Kemble is seeking a Senior Systems Engineer (IVVQ) to lead validation, integration, verification, and environmental qualification tests for the ZA200 propulsion system. This role is vital for delivering certified, zero-emission aircraft propulsion systems. The ideal candidate will have a degree in engineering and 6+ years of aerospace systems engineering experience, particularly with ARP4754B and DO-160G. Comprehensive benefits are provided to support work-life balance and mental health.

ZeroAvia Inc is looking for a Hydrogen Fuel System Engineer based in Kemble, England to develop innovative hydrogen systems for aircraft. In this role, you will design and lead the development of hydrogen storage and distribution systems. You will ensure they meet regulatory compliance while collaborating with cross-functional teams. The position offers various benefits including private health care, mental health support, and stock options, promoting work-life balance and inclusivity within the team. Join us in shaping the future of zero-emission aviation.

Join ZeroAvia at the forefront of zero-emission aviation as a Hydrogen Fuel System Engineer, playing a critical role in developing the next generation of gaseous and cryogenic hydrogen systems for aircraft. In this role, you will lead the end-to-end technical development of onboard hydrogen storage, distribution, and conditioning architectures-working at the cutting edge of engineering to enable safe, efficient, and certifiable hydrogen propulsion. From system design and integration through to testing, validation, and regulatory compliance, you will collaborate closely with cross-functional teams, suppliers, and partners to bring innovative hydrogen technologies from concept to flight-ready reality. This position is integral to ZeroAvia's mission to accelerate the transition to clean aviation by eliminating carbon emissions from flight. By advancing robust, high-performance hydrogen fuel systems and ensuring their seamless integration into aircraft platforms, you will directly contribute to making zero-emission air travel commercially viable at scale. Your work will help overcome some of the most complex engineering and safety challenges in hydrogen aviation, supporting certification and enabling a sustainable future for aerospace. The Hydrogen Fuel System Engineer will: Lead the design and development of gaseous and cryogenic hydrogen fuel systems, including storage, distribution, and conditioning architectures. Support aircraft integration by defining system layouts, component packaging, and interfaces for onboard hydrogen systems. Manage supplier and partner relationships to ensure timely delivery and technical compliance of hydrogen system components. Define and execute verification, validation, and testing strategies across component, subsystem, and full system levels, including facility oversight. Perform system architecture, safety analysis (FHA, FMEA, FTA), and performance validation, driving design improvements and technical decisions. Ensure compliance with aerospace regulations, safety standards, and hazardous area practices (e.g. EASA/CAA, DO-160, ATEX, DSEAR). Degree in Mechanical Engineering (or related) with strong experience in gas systems, including hydrogen and high-pressure environments. Proven expertise in designing, integrating, and testing gaseous and cryogenic hydrogen fuel systems. Solid knowledge of thermodynamics, fluid/gas dynamics, and system performance analysis. Hands on experience with pressure testing, leak detection (e.g. helium), and validation of fluid and vacuum systems. Experience applying system safety and reliability methods (FHA, FMEA/FMECA, FTA) and using engineering tools (e.g. ANSYS, MATLAB, Python, CAD). Strong understanding of hydrogen safety, cryogenic systems, and relevant regulatory frameworks; aerospace or transport sector experience is advantageous. 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 ZeroAvians by joining one of our clubs - such, 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. 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. Thinking about joining the aviation revolution? Why join us?

ZeroAvia is seeking an Air Systems Engineer to lead the design and development of air delivery systems for its hydrogen fuel cell powertrains. This role is ideal for an experienced aerospace engineer with deep expertise in air system architecture, turbomachinery, and thermo fluid analysis, who can take full technical ownership from concept generation through certification ready design, testing, and supplier integration. Acting as a subject matter expert, the successful candidate will work across multidisciplinary teams and the supply chain to develop, analyse, and validate fuel cell cathode and air delivery systems using first principles analysis, simulation, and empirical testing, supporting the certification and deployment of ZeroAvia's current and future zero emission propulsion systems. The Air Systems Engineer will assume responsibility for all aspects of aerothermal design of air delivery systems for hydrogen fuel cell power generation systems. Working with internal stakeholders and the supply chain you will develop and demonstrate air delivery equipment and architectures to support certification of current and future hydrogen fuel cell power generation systems. Acting as the subject matter expert, you will lead on air delivery system topics technical discussions. You'll need a dynamic approach to complex problem solving including utilising empirical methods, basic calculations from first principles and 1D & 3D simulation tools. You'll use CAD to create designs and drawings of related system components and assemblies and maintain design data in PLM system in accordance with company aeronautical standards. To succeed in this role, you'll be a self starter, diligent, results focused and flexible. Aerospace experience, knowledge of CAA, EASA, FAA certification processes and objectives are a huge advantage. Main responsibilities Own all aspects of fuel cell cathode system development; including system architecture, requirements capture, equipment design development and testing. Lead aerothermal concept generation through to development of system architecture, requirements and design substantiation documents. Analyse air delivery systems and components to define lower level functional and performance requirements. Proactively lead internal stakeholders and supply chain on implementation of air delivery system equipment such as electric compressors, filters, valves, heat exchangers, fluid conveyance and instrumentation. Develop strategies and capabilities for component level engineering evaluation testing including design, installation and commissioning of equipment test rigs. Host, participate, present as appropriate in internal and external design and project reviews. Experience and qualifications Education: Bachelor's degree in an appropriate discipline and commensurate depth of technical experience, or an equivalent combination of education and experience. First hand knowledge of implementing compressed air systems and equipment with direct experience in hydrogen fuel cell system an advantage. Experience in implementation of high speed turbomachinery (compressors, turbines) and associated system architectures. Conversant with associated hardware such as compressors, filters, valves, humidifiers and sensors. Experience in developing air delivery equipment test rigs including instrumentation and data acquisition systems, knowledge of programming environments (e.g. LabVIEW) a plus. Experience of high voltage direct current (HVDC) systems and power electronics a plus. User of MATLAB Simulink/Simscape or similar 1D thermo fluid software. Experience of commercial CFD codes (e.g. Ansys Fluent/CFX). Working knowledge of CAD and PLM tools (e.g. Siemens NX, Teamcentre). Use of requirements management tools (e.g. Polarion). Commensurate depth of related aerospace industry experience. Excellent interpersonal skills and level of spoken and written English. Ability to work on own initiative as well as part of an Integrated Project Team. Why Join Us? 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 ZeroAvians 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. 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.

ZeroAvia Inc is seeking an Air Systems Engineer to lead the design and development of air delivery systems for hydrogen fuel cell powertrains. Candidates should have substantial aerospace engineering experience, particularly in air system architecture and turbomachinery. This role involves technical ownership from concept to certification-ready design, with a focus on collaboration across multidisciplinary teams. A Bachelor's degree and specific experience with hydrogen fuel cells are crucial.

ZeroAvia is seeking a senior commercial leader to lead and deliver growth across the aerospace defence sector. This role suits an experienced defence-market operator with a proven track record of closing complex deals, taking opportunities from early engagement through to signed contracts, funded programmes, and recurring revenue. The successful candidate will be personally accountable for defence revenue growth, owning opportunities end to end and acting as the single point of leadership from identification to contract signature, working closely with national defence ministries, international agencies, defence primes, and platform partners to convert ZeroAvia's sovereign technologies into commercial success. Key Responsibilities Own and deliver defence revenue targets Personally lead priority defence deals from first contact through commercial close Maintain disciplined pipeline management and deal accountability Capture Leadership & Commercial Execution Lead capture strategy for defence opportunities, including: Opportunity qualification and go/no go decisions Customer alignment and sponsorship Key account management and relationship development Shape and negotiate complex commercial agreements Play a hands on role in negotiation, remaining directly involved through signature Defence Customer Engagement That Converts Act as ZeroAvia's senior commercial interface with national defence ministries, international defence agencies, defence primes and system integrators Build trust and credibility at the level required to unlock funding decisions and programme starts Secure customer champions capable of driving internal approval and budget release Partnerships That Generate Revenue Establish and manage partnerships with primes and system integrators Align partner requirements with ZeroAvia's technology roadmaps and commercial objectives Required Experience & Background 10+ years' experience in defence or aerospace markets with direct commercial responsibility Clear, demonstrable personal track record of delivering full sales cycles from origination to closure in defence Experience selling into national defence ministries and international defence agencies and partnering with defence primes and Tier 1s Deep understanding of defence budgeting, funding and procurement processes Evidence of owning revenue outcomes, not just supporting bids or partnerships Highly Desirable Experience commercialising new or disruptive technologies into defence markets Background in aerospace propulsion, power systems or aircraft systems Proven history of converting demonstrations into funded programmes, partnerships and recurring revenue Existing Security Check or Direct Vetting clearance Personal Attributes Strong bias toward closure and revenue generation Comfortable being personally accountable for deal outcomes Commercially assertive and credible in defence environments Persistent, resilient, and effective in long and complex sales cycles Able to operate with ambiguity while maintaining commercial discipline Benefits Private health and dental care - get access to services and support when you need it. 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 ZeroAvians by joining one of our subsidised clubs - such as, running, cycling, padel, trivia, theatre and gardening. Stock options - so you can share in our success. 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.