We are developing a unique electrochemical process which is 10x more energy efficient than first generation DAC and 3x better than the most ambitious second generation technologies. At megaton scale, we estimate the cost per ton to be well below $100/ton.

We are expanding rapidly, and it's an exciting time to join us! We've got a brilliant team, top-tier advisors, and amazing collaborators on board. If you're passionate and eager to make a real impact, good news- we have a seat reserved for you. 😉

We are looking for a R&D Scientist in energy storage to help us optimise our first fully integrated prototype of a unique technology with a 10x improvement potential on current benchmarks.

The role will focus on leading and executing research, development, and upscaling efforts, ensuring the most effective pathway to industrial fabrication and supply chain integration.

• Lead and execute the study and optimisation of core technology components to enhance performance and scalability. Conduct experiments and simulations (e.g., COMSOL) to guide R&D strategy and accelerate technological advancements.
• Oversee and execute the fabrication and upscaling of core components from prototype to industrial scale, ensuring readiness for supply chain integration and industrial manufacturing. Ensure compliance with industry standards, regulations, and quality requirements for the energy storage technology we are developing.
• Build and leverage industry and academic networks to support development and commercialization efforts, including assisting in the preparation and development of European grants involving consortia.

We are looking for a candidate with a PhD in a relevant field (Energy Storage, Materials Science, Electrochemistry, or related discipline) and/or a minimum of 2-3 years of meaningful industry experience in energy storage.

• Proven experience working with energy storage devices from TRL 4 onwards, including large-scale applications.
• Hands-on expertise in fabrication & R&D;
• Knowledge of quality regulations and industry standards for energy storage technologies and understanding of industry challenges, supply chain logistics, and existing bottlenecks.
• Experience with simulations and modeling (e.g. COMSOL, DFT, MATLAB) to inform R&D strategies and circuit modeling.
• Expertise in project management, successfully delivering complex projects on schedule and within budget.
• Ability to manage a project, from cost to people and time constraints.

We are an early-stage company building a world-class team, and a game-changing technology based on an ambitious vision, and we are 100% committed to it.

On top of the opportunity to make a REAL impact in the climate fight, we offer:

• Full-time (CDI) contract
• Competitive compensation and equity package based on profile & experience.
• Sponsor relocation visa if needed
• Benefits: health insurance, meal vouchers, 50% commute refund
• The unique opportunity to join the startup from its inception and play a critical role in its growth.
• A collaborative, dynamic, and stimulating work environment;
• Work ethic and intellectual honesty.

We believe that a diverse group of minds is key to solving the climate crisis. Studies have shown that under-represented candidates are less likely to apply for an opportunity unless they feel they meet every single qualification.

We are committed to building a diverse, inclusive and mission-driven company. If you’re excited about this opportunity but your past experience doesn’t align perfectly with what you read, we encourage you to apply anyways!

We are developing a unique electrochemical process which is 6x more energy efficient than first generation DAC and 2x better than the most ambitious second generation technologies. At scale, we estimate the cost per ton to be well below $100/ton.

We are expanding rapidly, and it's an exciting time to join us! We've got a brilliant team, top-tier advisors, and amazing collaborators on board. If you're passionate and eager to make a real impact, good news- we have a seat reserved for you. 😉

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We are looking for a hands-on Lab Technician to take responsibility for assembling, maintaining, and testing hardware that underpins our core technology. You will work closely with the tech team to build mechanical and electrochemical systems, prepare and operate test benches, and monitor experiments. This role requires precision, accountability, and a strong safety mindset, as you’ll be working with sensitive instrumentation, pressurized hardware, materials synthesis, and wet/ dry lab procedures. Your contributions will directly support rapid iteration, and your feedback will help refine both product design and lab practices.

• Perform basic chemistry tasks such as preparing key cell components and formulating solutions
• Prepare and assemble mechanical, electrochemical, and fluid components with precision and repeatability
• Build, modify, and operate test benches to validate core technology
• Monitor tests, diagnose anomalous behaviour, and support troubleshooting efforts
• Provide clear feedback on design improvements and usability to the technical team
• Handle and install sensors, fittings, tubing, and instrumentation for hardware testing
• Maintain lab cleanliness, organization, and adherence to safety protocols
• Document assembly procedures, test results, and observations for team use
• Uphold safety standards when working with pressurized systems, chemicals, and lab equipment

• Demonstrated practical experience in chemical laboratories encompassing wet lab methodologies. Educational background at the Bachelor’s or Master’s level in Chemistry preferred.
• 2+ years of precision or high-volume assembly experience
• Ability to read and interpret technical drawings, schematics, and diagrams
• Familiarity with compression fittings, tubing, leak testing, and fluid handling
• Experience installing and handling sensors and instrumentation for test setups
• Competence in lab practices: handling glassware, preparing simple solutions, weighing/measuring
• Proven awareness of lab and workplace safety
• Strong communication skills for documenting and sharing work clearly
• English fluency is a must, french is a plus

What We Offer

We are an early-stage company building a world-class team, and a game-changing technology based on an ambitious vision, and we are 100% committed to it.

On top of the opportunity to make REAL impact in climate fight, we offer:

• Contract: CDI
• Benefits: Coverage for transportation & Swile
• The unique opportunity to join the startup from its inception and play a critical role in its growth.
• A collaborative, dynamic, and stimulating work environment which promotes a rapid learning curve and personal development. We believe that innovation starts with people and that we are all responsible for shaping the future of the company
• Work ethic and intellectual honesty

We believe that a diverse group of minds is key to solving the climate crisis. Studies have shown that under-represented candidates are less likely to apply for an opportunity unless they feel they meet every single qualification.

We are committed to building a diverse, inclusive and mission-driven company. If you’re excited about this opportunity but your past experience doesn’t align perfectly with what you read, we encourage you to apply anyways!

We are developing a unique electrochemical process which is 6x more energy efficient than first generation DAC and 2x better than the most ambitious second generation technologies. At scale, we estimate the cost per ton to be well below $100/ton.

We are expanding rapidly, and it's an exciting time to join us! We've got a brilliant team, top-tier advisors, and amazing collaborators on board. If you're passionate and eager to make a real impact, good news- we have a seat reserved for you. 😉

‍

We are looking for a mission-driven mechanical engineering intern. You will be directly contributing to the development of our next-generation hardware prototypes. You will play a key role in advancing our technology, working at the intersection of mechanical design, prototyping, and electrochemistry.

This is a hands-on role that spans from concept and CAD design to fabrication and testing in the lab and workshop. You’ll participate in rapid design–build–test cycles, helping refine components and assemblies to improve performance, reliability, and manufacturability.

The ideal candidate is curious, practical, and comfortable turning ideas into tangible systems. You’ll thrive in a fast-paced, experimental environment, collaborating closely with engineers and scientists to bring early-stage climate hardware to life — and leave a visible mark on a breakthrough technology.

• Contribute to maturing our hardware through iterative design, build, and test cycles with manufacturability in mind
• Support requirements definition and translate them into practical design solutions
• Develop and automate test setups, instrumentation, and data acquisition systems
• Perform hands-on testing of prototypes and real hardware to validate performance
• Work in an agile, fast-paced environment, solving problems iteratively with the team

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Required:

• Strong problem-solving mindset, demonstrated through personal or academic projects
• Hands-on experience with fabrication, machining, or prototyping
• Fluent in English (and ideally french), with excellent communication & writing skills

Ideal:

• Experience with CAD and mechanical design principles (materials, sizing, tolerances)
• Familiarity with DAQ systems, sensors, actuators, and signal processing (hardware integration & measurement)
• Experience with LabVIEW (test automation & control)
• Experience with a scripting language such as MATLAB or Python (data analysis & automation)
• Familiarity with the climate deeptech sector is a huge plus!

‍

We are an early-stage company building a world-class team, and a game-changing technology based on an ambitious vision, and we are 100% committed to it.

On top of the opportunity to make REAL impact in climate fight, we offer:

• Contract: Paid internship
• Period: 6 months
• Benefits: Coverage for transportation & Swile
• The unique opportunity to join the startup from its inception and play a critical role in its growth.
• A collaborative, dynamic, and stimulating work environment which promotes a rapid learning curve and personal development. We believe that innovation starts with people and that we are all responsible for shaping the future of the company
• Work ethic and intellectual honesty

We believe that a diverse group of minds is key to solving the climate crisis. Studies have shown that under-represented candidates are less likely to apply for an opportunity unless they feel they meet every single qualification.

We are committed to building a diverse, inclusive and mission-driven company. If you’re excited about this opportunity but your past experience doesn’t align perfectly with what you read, we encourage you to apply anyways!

We are developing a unique electrochemical process which is 6x more energy efficient than first generation DAC and 2x better than the most ambitious second generation technologies. At scale, we estimate the cost per ton to be well below $100/ton.

We are expanding rapidly, and it's an exciting time to join us! We've got a brilliant team, top-tier advisors, and amazing collaborators on board. If you're passionate and eager to make a real impact, good news- we have a seat reserved for you. 😉

We are looking for a mission-driven Development &Test Engineer to take ownership of advancing our core technology through rapid design–build–test cycles. In this role, you will be responsible for both developing prototypes and designing the test infrastructure that validates them. You’ll work hands-on with hardware, instrumentation, and automation, while collaborating closely with cross-functional teams to translate requirements into working systems. This position demands accountability, technical breadth, and the ability to thrive in a fast-paced, agile environment where test results directly shape the product.

• Own the development and maturation of core technology through iterative design–build–test cycles with manufacturability in mind
• Take responsibility for defining test requirements and translating them into practical design and validation strategies
• Design, implement, and automate test setups, instrumentation, and data acquisition systems to support technology development
• Perform hands-on testing of prototypes and hardware, analyzing data to drive design decisions and uncover edge cases/failure modes
• Rapidly prototype fixtures, jigs, and hardware needed to accelerate experiments and design iterations
• Collaborate closely with scientists and design engineers to evolve system architecture and core functionality based on test outcomes
• Troubleshoot complex hardware/software integration issues with accountability for delivering solutions under fast iteration cycles
• Document methods, results, and learnings in a way that enables cross-functional teams to act on test insights and advance the technology

Required:

• 2–3 years experience in hardware development and testing, with demonstrated ownership of projects or subsystems
• Strong problem-solving mindset with the ability to work independently in ambiguous, fast-changing conditions
• Experience with DAQ systems, sensors, actuators, and signal processing (hardware integration & measurement)
• Proficiency in a scripting language such as Python or MATLAB for data analysis, automation, and tool development
• Experience with CAD and mechanical design principles (materials, sizing, tolerances)
• Fluent in English (and ideally french), with excellent communication & writing skills

Ideal:

• Demonstrated prototyping skills through work and personal projects
• Hands-on experience with fabrication, machining, or prototyping
• Experience with LabVIEW (test automation & control)

We are an early-stage company building a world-class team, and a game-changing technology based on an ambitious vision, and we are 100% committed to it.

On top of the opportunity to make REAL impact in climate fight, we offer:

• Contract: CDI
• Benefits: Coverage for transportation & Swile
• The unique opportunity to join the startup from its inception and play a critical role in its growth.
• A collaborative, dynamic, and stimulating work environment which promotes a rapid learning curve and personal development. We believe that innovation starts with people and that we are all responsible for shaping the future of the company
• Work ethic and intellectual honesty

We believe that a diverse group of minds is key to solving the climate crisis. Studies have shown that under-represented candidates are less likely to apply for an opportunity unless they feel they meet every single qualification.

We are committed to building a diverse, inclusive and mission-driven company. If you’re excited about this opportunity but your past experience doesn’t align perfectly with what you read, we encourage you to apply anyways!

We are developing a unique electrochemical process which is 10x more energy efficient than first generation DAC and 3x better than the most ambitious second generation technologies. At megaton scale, we estimate the cost per ton to be well below $100/ton.

We are expanding rapidly, and it's an exciting time to join us! We've got a brilliant team, top-tier advisors, and amazing collaborators on board. If you're passionate and eager to make a real impact, good news- we have a seat reserved for you. 😉

We are always looking for curious, mission-driven people who want to help us build and scale a new standard in carbon capture — from engineering to research to business and operations. If that sounds like you, we’d love to hear from you

We believe that a diverse group of minds is key to solving the climate crisis. Studies have shown that under-represented candidates are less likely to apply for an opportunity unless they feel they meet every single qualification.

We are committed to building a diverse, inclusive and mission-driven company.