H55 SA

A Swiss company created in 2017 by the leadership team of Solar Impulse, André Borschberg, Sebastien Demont, and Gregory Blatt, H55 has accumulated design, development, certification and electric flight experience. Its proven track record in developing electric propulsion, battery packs and battery systems comes from having worked on and flown 2 Solar Impulse airplanes, the Twister Aero1 acrobatic aircraft, and the Bristell Energic.., , At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly skilled and talented engineers, entrepreneurs and managers, all like-minded professionals who understand how to how technological innovation can make air transportation cleaner, safer and affordable About H55 As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable Having integrated and flown 4 electric airplanes, the Swiss start-up has been selected by Pratt & Whitney Canada to provide the battery pack for its regional hybrid-electric flight demonstrator. This recent announcement is a further illustration of H55’s position as a major enabler in the electric commuter market As part of the Manufacturing team, you will be part of the Product Development Department. The perimeter of the Manufacturing team covers the link between product design and production related to the H55 Electric Propulsion System performed at H55 HQ in Sion. You will report to the Manufacturing team leader Your main responsibilities will include: Integrate new equipment Follow and improve the existing equipment Optimization of actual process Create jigs and tools Participate to the scale-up and growth of manufacturing activities Your Profile and experience Engineer degree in automation, mechanic, electronic or similar experience 4-5 years of relevant experience Rigorous to apply and follow internal procedures with an open mindset to adapt to change Experience in wirebonding is a big plus Capacity to prioritize and multi-task Desire to work in a competitive area at the forefront of electrical aviation Fluent in English, French or German is a plus What we offer An amazing work Location in Sion, Valais in the heart of Swiss Alps A highly dynamic and multicultural environment where you can grow and learn by working on ambitious challenges to shape the future of Electric Aviation We offer a position which contributes to valuable and impactful work in a stimulating and international environment H55 is an equal opportunity employer and welcomes applications from all qualified individuals regardless of nationality, sex, disability, religion/belief, sexual orientation or age. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on competence, performance, and business needs Required Attach resume file

Engineering Roles (Contract/Temporary) About H55 As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable. The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable. H55 is financed by a reputable group of investors from Silicon Valley and Switzerland, and as such, is well positioned for its next stage of its development. The company’s short-term priorities include building up out of engineering team, putting into place production facilities, and creating a north American subsidiary. Job Description: We are looking for talented engineers to join our team on a contract or temporary basis . These roles offer opportunities to contribute to exciting projects across various disciplines, including design, development, analysis, and optimization of innovative systems. Successful candidates will work collaboratively to deliver high-quality solutions aligned with project goals. Key Responsibilities: Design, develop systems or Test, Components, Systems or processes to meet performance and quality standards. Collaborate with cross-functional teams to solve engineering challenges and drive project success. Perform technical analyses, simulations, and testing to validate and optimize designs. Prepare, review, and maintain technical documentation, drawings, and reports. Identify opportunities for improvement and propose innovative solutions. Qualifications: A degree in Engineering (Mechanical, Electrical, Aerospace, Hardware, Test or related field). Relevant experience in your engineering discipline. Experience in Aerospace Industry is a strong advantage Proficiency in industry-standard tools and software (e.g., CAD, FEA, simulation software). Strong analytical skills with a detail-oriented and problem-solving mindset. Effective communication and teamwork abilities. Contract Details: These roles are offered as contract or temporary positions , with durations tailored to specific project needs. They provide an excellent opportunity to contribute to impactful projects in a dynamic and collaborative environment. What we offer An amazing work Location in Sion, Valais in the heart of Swiss Alps. A highly dynamic and multicultural environment where you can grow and learn by working on ambitious challenges to shape the future of Electric Aviation. Sounds interesting? We look forward to meeting you! H55 is an equal opportunity employer and welcomes applications from all qualified individuals regardless of nationality, sex, disability, religion/belief, sexual orientation or age. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on competence, performance, and business needs.

About H55 As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable. The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable. H55 is financed by a reputable group of investors from Silicon Valley and Switzerland, and as such, is well positioned for its next stage of its development. The company’s short-term priorities include building up out of engineering team, putting into place production facilities, and creating a north American subsidiary. At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly experienced engineers, entrepreneurs and managers and is seeking like mind talented professionals who understand how to couple creativity and innovation with technical and business considerations. Your Role As a Software Project Manager at H55, you will play a key role in driving the success of our software development projects. Reporting to the Software Team Leader, you will collaborate closely to define, plan, and oversee projects involving both Manual Coding and Model-Based Development. You will manage and track development activities performed both internally and by external suppliers, ensuring that all deliverables meet H55’s quality standards, timelines, and project objectives. By aligning project goals with system requirements, resources, and schedules, you will directly contribute to H55’s mission of delivering clean, safe, and efficient electric aviation solutions. This role demands exceptional organizational, and problem-solving skills—ideal for someone who thrives in a fast-paced, innovative, and dynamic environment. Key Responsibilities Manage software development projects from initiation to completion, ensuring timely and successful delivery. Develop project plans and timelines ensuring alignment with company goals. Collaborate with the Software Team Leader, Software Engineers, Product Architects, External Suppliers, and other stakeholders to ensure seamless execution. Manage and track the software development activities performed by external suppliers, ensuring their deliverables meet quality standards, timelines, and project requirements. Track project progress, identify risks early, and implement mitigation strategies to overcome obstacles. Utilize project management tools (e.g., EasyRedmine, MS Project) to monitor milestones, manage workflows, and maintain transparency. Foster clear and consistent communication to Software team and stakeholders through regular status updates, meetings, and reports. Oversee Agile/Scrum ceremonies (e.g., sprint planning, daily stand-ups, sprint reviews, and retrospectives) to drive team efficiency and productivity. Ensure deliverables meet software quality standards while adhering to project scope, objectives, and timelines. Analyze project performance, generate actionable insights, and recommend improvements for future projects. Manage change requests while ensuring stakeholder satisfaction and minimal disruption to project timelines. Qualifications Education Bachelor’s degree in Computer Science, Information Technology, or a related field. A Master’s degree is a plus. Experience 3+ years of experience as software developer. 3+ years of experience managing software development projects, with a proven track record of successful delivery. Solid understanding of the Software Development Lifecycle for aviation standards, including Manual Code Development (DO-178) and Model-Based Development (DO-331). Project Management Skills Proficiency in project management principles and methodologies, particularly Agile/Scrum. Experience with project management tools such as EasyRedmine (preferred), MS Project, or equivalent platforms. Technical Knowledge Strong understanding of software development processes, enabling effective collaboration with technical teams. Experience with aviation standards such as DO-178 and DO-331 is an advantage. Core Skills Excellent organizational and problem-solving abilities. Strong verbal and written communication skills for effective engagement with both technical and non-technical stakeholders. Ability to manage multiple projects simultaneously while maintaining exceptional attention to detail. Fluent in English; Proficiency in French is a plus Preferred Skills Certification such as Scrum Master (CSM) or PMP is a plus. Familiarity with DevOps and CI/CD processes. Analytical mindset with experience in project performance reporting and metrics. What we offer An amazing work Location in Sion, Valais in the heart of Swiss Alps. A highly dynamic and multicultural environment where you can grow and learn by working on ambitious challenges to shape the future of Electric Aviation. We offer a position which contributes to valuable and impactful work in a stimulating and international environment

A Swiss company created in 2017 by the leadership team of Solar Impulse, André Borschberg, Sebastien Demont, and Gregory Blatt, H55 has accumulated design, development, certification and electric flight experience. Its proven track record in developing electric propulsion, battery packs and battery systems comes from having worked on and flown 2 Solar Impulse airplanes, the Twister Aero1 acrobatic aircraft, and the Bristell Energic.., , At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly skilled and talented engineers, entrepreneurs and managers, all like-minded professionals who understand how to how technological innovation can make air transportation cleaner, safer and affordable About H55 As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable H55 is financed by a reputable group of investors from Silicon Valley and Switzerland, and as such, is well positioned for its next stage of its development. The company’s short-term priorities include building up out of engineering team, putting into place production facilities, and creating a north American subsidiary At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly experienced engineers, entrepreneurs and managers and is seeking like mind talented professionals who understand how to couple creativity and innovation with technical and business considerations Responsibilities and Duties: Scope : Electronics, Plastics, Mechanical Direct Commodities: Conduct thorough analysis of direct commodity requirements and spend Sourcing Strategies: Develop, update, and implement effective sourcing strategies to optimize costs and secure reliable supply Supplier Selection: Organize and manage supplier biddings, Requests for Information (RFIs), and Requests for Quotation (RFQs). Evaluate responses and lead the supplier selection process, ensuring alignment with strategic objectives and all stakeholders Contracts: Negotiate, create, and manage terms and conditions for contracts with chosen suppliers Performance Management: Collaborate with relevant stakeholders to monitor and manage supplier performance against agreed-upon metrics Communication and Reporting: Maintain accurate planning documents and follow-up procedures. Clearly communicate project updates, statuses, and reports to management teams Market Analysis: Continuously analyze market trends and identify potential risks and opportunities within relevant commodity categories You profile 4-7 years of experience with Electronics, Plastics or Metal purchasing Mandatory experience in the Product Development phase, working with R&D teams in an industrial environment University degree in Purchasing, Supply Chain Management, Engineering, Economics, or another related field Curiosity : We encourage continuous learning and exploration, providing opportunities to broaden your expertise and stay ahead of the curve Be an enabler: Collaborate effectively with other teams, bring solutions and driving successful outcomes Embrace the challenge: Solve complex problems with a can-do attitude, even when faced with incomplete data Think strategically: Evaluate risks and propose mitigation plans, ensuring informed decision-making Communicate with clarity: Articulate ideas and insights effectively, fostering strong relationships with internal and external stakeholders English at advanced level, French is a plus What we offer An amazing work Location in Sion, Valais in the heart of Swiss Alps A highly dynamic and multicultural environment where you can grow and learn by working on ambitious challenges to shape the future of Electric Aviation We offer a position which contributes to valuable and impactful work in a stimulating an international environment H55 is an equal opportunity employer and welcomes applications from all qualified individuals regardless of nationality, sex, disability, religion/belief, sexual orientation or age. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on competence, performance, and business needs Required Paste your resume here or Attach resume file Have you worked in purchasing during prototyping phase / going to serial production, collaborating closely with R&D teams? By selecting Allow, you consent to the recording, use and sharing of your website activity by this website and its service providers

A Swiss company created in 2017 by the leadership team of Solar Impulse, André Borschberg, Sebastien Demont, and Gregory Blatt, H55 has accumulated design, development, certification and electric flight experience. Its proven track record in developing electric propulsion, battery packs and battery systems comes from having worked on and flown 2 Solar Impulse airplanes, the Twister Aero1 acrobatic aircraft, and the Bristell Energic.., , At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly skilled and talented engineers, entrepreneurs and managers, all like-minded professionals who understand how to how technological innovation can make air transportation cleaner, safer and affordable About the Company As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable Having integrated and flown 4 electric airplanes, the Swiss start-up has been selected by Pratt & Whitney Canada to provide the battery pack for its regional hybrid-electric flight demonstrator. This recent announcement is a further illustration of H55’s position as a major enabler in the electric commuter market We are seeking a skilled to join our team. In this role, you will design and maintain databases, develop tools and scripts to enhance tools usage, and implement solutions that optimize data management and reporting. Your contributions will directly support the engineering team and drive operational efficiency across the organization Key Responsibilities Develop scripts and tools to extend and optimize system functionalities, improving user productivity and workflow efficiency Design, develop, and maintain robust databases using InfluxDB, SQL, and Grafana, ensuring optimal performance, scalability, and data integrity Integrate software solutions to enable seamless data flow and operational efficiency across platforms like EasyRedmine and Codebeamer Automate repetitive tasks and workflows through scripting languages (e.g., Python), streamlining development processes and enhancing reporting capabilities Act as a key technical resource, identifying, troubleshooting, and resolving software and database issues to ensure optimal performance Develop comprehensive technical documentation and deliver training sessions to support effective adoption of tools and systems by end-users Collaborate with stakeholders to drive system improvements, implement updates, and align tools with evolving user needs and company goals Your Profile Computer Science or a related field 3+ years of experience in database management, scripting, and software development Technical Skills: Proficiency in database development and maintenance using InfluxDB, SQL, and Grafana Strong scripting skills in Python (and familiarity with Visual Basic is a plus) for automation and tool enhancement Knowledge of project management tools (e.g., EasyRedmine and Codebeamer) is advantageous Soft Skills: Excellent analytical and problem-solving abilities with strong attention to detail Effective communication and collaboration skills to work seamlessly across teams Proactive mindset with adaptability and eagerness to learn new technologies Proficiency in English is required; French is a plus An amazing work Location in Sion, Valais in the heart of Swiss Alps H55 is an equal opportunity employer and welcomes applications from all qualified individuals regardless of race, sex, disability, religion/belief, sexual orientation or age. All aspects of employment including the decision to hire, promote, discipline, or discharge, will be based on competence, performance, and business needs Required Attach resume file

A Swiss company created in 2017 by the leadership team of Solar Impulse, André Borschberg, Sebastien Demont, and Gregory Blatt, H55 has accumulated design, development, certification and electric flight experience. Its proven track record in developing electric propulsion, battery packs and battery systems comes from having worked on and flown 2 Solar Impulse airplanes, the Twister Aero1 acrobatic aircraft, and the Bristell Energic.., , At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly skilled and talented engineers, entrepreneurs and managers, all like-minded professionals who understand how to how technological innovation can make air transportation cleaner, safer and affordable About H55 As the technological spin-off of Solar Impulse, the first electric airplane to fly around the world, the mission of H55, is to make aviation clean, safe, and affordable The company’s strengths and competencies lie in developing propulsion and energy storage solutions which are modular, lightweight, and certifiable Having integrated and flown 4 electric airplanes, the Swiss start-up has been selected by Pratt & Whitney Canada to provide the battery pack for its regional hybrid-electric flight demonstrator. This recent announcement is a further illustration of H55’s position as a major enabler in the electric commuter market At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly experienced engineers, entrepreneurs and managers and is seeking like mind talented professionals who understand how to couple creativity and innovation with technical and business considerations The position will be based in the H55’s headquarters in Sion, Switzerland This role will report to the Head of Aircraft Integration & Testing, and is primarily focused on the development of defining test activities, and strategies, to enable successful product demonstration (V&V) Liaison with product and system development teams to capture test needs Definition of appropriate test set-ups to provide test data in support of prototype development, qualification, verification and demonstration of Safety of Flight Test The creation of documentation, including technical descriptions, test procedures and reports Executing complex tests involving electrical, mechanical, software, control and instrumentation elements, while maintaining safety as a priority Coordination of test activities with both H55 in-house test teams and external suppliers Management of external suppliers Configuration management of test assets to ensure traceability of test activities Assist test and development teams with trouble-shooting, debugging and lessons learnt activities Track and log activities as required Provide timely formal and informal status as required by project management Your profile University degree (min. bachelor) in a relevant engineering discipline (System engineering, Aerospace engineering, Power Electronics, Energy Systems) Ideally you enjoy a role with a variety of aspects. At different times you may be involved in planning and coordinating, electrical/mechanical design, technical documentation, test bench assembly and commissioning or testing Ideally experience in Aerospace industry or other highly regulated domain (Automotive,..) Experience in electronics and electrical system testing Good awareness of the safety challenges associated with batteries and high voltage testing Knowledge in the use and set up of Labview based systems is a strong asset Open-minded and co-operative Fluency in English (oral and written), French an asset At H55, you will work with a very forward-looking team who are changing the paradigms of air transportation. H55 is composed of highly experienced engineers, entrepreneurs and managers and is seeking like mind talented professionals who understand how to couple creativity and innovation with technical and business considerations Required Attach resume file