H55

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Join H55 in Sion, Switzerland, a leader in electric aviation. This role invites professionals with aerospace or electric propulsion experience to join a dynamic team shaping clean, safe flight. Benefit from a collaborative environment and cutting-edge projects. Submit your CV and ambitions to connect with upcoming opportunities.
H55
H55
Sion, Switzerland Flexible Full time UTC+01:00

H55

Company Overview

H55 (privately held)

Lausanne, Switzerland

2017

Approximately 180 employees with a growing presence in the Montreal region, Canada, including a production facility at Saint-Hubert Airport in Longueuil (source: h55.ch)

What They Do

H55 specializes in certified electric aviation technologies, particularly electric propulsion systems, battery packs, and battery management systems for aircraft (source: juliusbaer.com). The company offers modular and certifiable solutions for propulsion and energy storage, specifically designed for integration into various types of aircraft (source: h55.ch). Their target markets include general aviation, flight training operations, regional transport, and future concepts such as VTOL aircraft (source: fai.org). H55 places strong emphasis on safety-focused certification processes and develops lightweight, modular systems that comply with stringent aviation standards (source: h55.applytojob.com).

Projects & Track Record

A key project for H55 is the Bristell Energic, a two-seat electric training aircraft manufactured by BRM Aero and equipped with H55 propulsion systems (source: fai.org). The aircraft was unveiled in Sion and is distinguished by its clean, quiet, and cost-efficient design, offering a flight duration of 1.5 hours with sufficient reserve for training operations (source: fai.org). By 2025, the Bristell B23 Energic completed over 50 demonstration flights at Palo Alto Airport and secured multiple purchase agreements, resulting in sold-out production for the first two years (source: h55.ch). Additionally, the company conducted a US-wide demonstration tour to showcase the aircraft at flight schools, universities, manufacturers, military academies, and aviation exhibitions (source: prnewswire.com).

Recent Developments

Over the past two years, H55 has been recognized on TIME's list of the world's top 250 GreenTech companies for 2025, selected from over 8,000 firms (source: prnewswire.com). In 2024, the company closed a Series C funding round of $72.9 million USD, including participation from the Quebec government (source: esgtoday.com). In 2025, H55 announced the sell-out of the first two production years of the Bristell B23 Energic (source: h55.ch). Concurrently, the company is expanding its North American operations with a production facility at Saint-Hubert Airport and a Canadian subsidiary (source: h55.ch).

Working There

H55 offers a variety of positions in embedded software, testing, mechanical design, assembly, finance, and IT, with locations in Sion, Lausanne, and Longueuil, Canada (source: h55.applytojob.com). Requirements for technical roles include experience with plastics and composite materials, CAD skills, and knowledge of aviation certification standards such as EASA CS-23 and FAA Part 23 (source: h55.applytojob.com). The company culture is characterized by a strong focus on certification, technical depth, and integration into aviation, with safety and regulatory compliance at its core (source: juliusbaer.com).


Last updated on May 20, 2026 | Report an issue

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.

Interesting to join us?

Do you have experience in Electric Propulsion or Aerospace that may suit any of the wide range of roles below?

  • Electrical Engineer
  • Power Electronics Engineer
  • Battery Design
  • Certification Engineer
  • Safety & Quality
  • Thermal Engineer
  • Manufacturing
  • System Design
  • Propulsion Engineer

We have new positions coming up regularly and are always looking for great people to join the team.

Help us get to know you by telling us about your passion for our company, your ambitions, and the kind of work environment which would help you truly thrive. The more we know, the better we'll be able to connect you with relevant opportunities as they arise in our team! Please also attach your CV.

Sounds Interesting, we look forward to meeting you!

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.

Apply now

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About the role

April 6, 2026

Full time

Company

May 23, 2026

Flexible

Energy Storage , Hydrogen , EV Charging Infrastructure

H55

h55.ch

  •  Sion, Switzerland

Experience in Electric Propulsion or Aerospace

UTC+01:00