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.

About the role

We are seeking a Quality Control Engineer with strong expertise in measurement and dimensional control to join our Quality team. The role focuses on daily quality monitoring, dimensional verification, and problem resolution in production. Over time, the position may evolve into a Certifying Staff function (EASA Part 21/Part 145), with authority to release products in accordance with aerospace standards and regulations. 

Key Responsibilities 

• Monitor daily quality alerts from production and incoming inspection and act to contain, investigate, and unlock issues. 

• Perform dimensional measurements using CMM, optical measurement equipment and conventional measurement equipment. 

• Validate measurement results against design data, drawings, and GD&T requirements. 

• Support production and engineering teams with measurement expertise and technical guidance. 

• Ensure calibration, accuracy, and reliability of measurement machines and tools. 

• Document quality records, measurement reports, and corrective actions in compliance with aerospace standards. 

• Contribute to root cause analysis and implementation of corrective/preventive actions. 

• Participate in continuous improvement initiatives to strengthen quality processes. 

• Support internal and external audits (customer, certification bodies, regulatory authorities). 

• Work toward approval as Certifying Staff, with training and experience provided to achieve authorization to release products. 

Your profile

• Engineering degree (Mechanical, Industrial, or related) or Technician degree with  relevant experience. 

• Experience in measurement and quality control within aerospace or other precision manufacturing. 

• Strong knowledge of CMM programming and / or optical measurement equipment programming.

• Familiarity with GD&T
• Familiarity with aerospace technical drawings is an advantage

• Understanding of aerospace quality frameworks (EN/AS9100, ISO 9001) is an advantage

• Adaptable, analytical mindset, problem-solving skills, and ability to work cross-functionally with production and engineering teams. 

• Interest in long-term development toward Certifying Staff responsibilities. 

What we offer 

• An amazing work Location in Sion, Valais in the heart of Swiss Alps
• Highly dynamic, multicultural environment where you’ll grow, learn, and take on ambitious challenges in shaping the future of Electric Aviation with one of the industry’s leading innovators.

We hope this role sounds exciting and could be your next step, if so follow the steps to apply, we are looking forward to receiving your application.

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.