Careers at Jimmy

Join us in decarbonizing heat!

Our Offers

The Jimmy Teams

Jimmy is a group of nearly 100 dynamic and determined people committed to massively decarbonizing the industry. With both design and implementation challenges, we are experiencing strong growth. We are looking for ambitious individuals eager to bring their expertise to our team and contribute to achieving our goals—first and foremost, being ready to commission our first generator by 2027.
Generator simulations

The Generator Simulation Team is responsible for all simulations of the reactor core and associated systems, ensuring proper equipment sizing and defining operational control strategies. It brings together engineers with diverse expertise in a dynamic and passionate team.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Generator engineering

The Generator Engineering Team is responsible for the mechanical and system design of the generator.

Their goal is to validate the building’s architecture and the allocation of components within it, ensuring the overall feasibility and reliability of the structure.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Generator safety

The Safety team is responsible for the entire analysis to confirm that the generator does not pose a risk to operators or surrounding populations.
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It maintains continuous communication with nuclear safety authorities and is at the core of the design process.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Generator industrialization

The Industrial Implementation Team is responsible for preparing the commissioning of Jimmy generators.

This includes establishing Jimmy’s industrial site in Le Creusot, as well as overseeing major civil engineering work to prepare the installation sites for future generators.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Development and support

The Support Team is there to enable the success of the other teams. It includes experts in quality, procurement, HR, legal, and management.

This team ensures that technical discussions don’t drag on when morale is low and works to help the company grow in the best possible conditions.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Fuel factory

The factory team develops the production tools that will enable the pre-assembly of the Jimmy reactor. This involves creating high-precision special machines within a stringent safety framework.
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The factory team is multidisciplinary, close to the field, and faces exciting technical challenges to establish a modern manufacturing facility in France.

If the interior does not yet offer you enough space, our capacious luggage compartment provides space for all life's situations. Whether it's a big shopping trip, a stroller or whatever you need to move from A to B: there's room for everything.

Meet the Jimmy Team

Discover testimonials from several Jimmy team members.

Antoine

Co-founder and CEO

Mathilde

Co-founder and CDO

Clément

Purchasing Director

Elena

Civil Engineering Manager

Eric

Civil Engineering Lead

Pierre

I&C Manager

Future Talent Program

This program aims to provide a development and learning space for young engineers. A 360° training experience: 3 years to explore and train in 3 different roles within a demanding and challenging environment. Personalized support throughout the journey, with learning managers to guide you and training at each stage, will help you build a solid foundation in engineering.

The Stages of the Program

This experience will also give you an in-depth immersion into a complex environment. At the end of this program, you will be ready to move into a high-value technical position.

Level 1
An 8-month period with the thermal team to learn how to simulate fluid flows and heat exchanges.
Level 2
An 8-month period with the mechanical team to learn how to size equipment based on the expected requirements.
Level 3
An 8-month period with the systems team to learn how to design and specify a system.
Level 4
A 1-year period in a chosen specialty, such as systems, thermal, or mechanical engineering.
Level 1
Level 2
Level 3
Level 4
Futur talent JIMMY

Les 3 principes d'accompagnement

Learning Management

C’est un expert technique de son équipe, là pour vous aider à monter en compétences, faciliter votre apprentissage et assurer un support technique en cas de besoin.

Formations

A chaque étape, vous bénéficiez d’une phase d’onboarding et de formation sur le métier. L’apprentissage a une place centrale chez Jimmy, des formations tous les mois et une bibliothèque de formations sont aussi à votre disposition pour que vous puissiez apprendre autant que vous le souhaitez pendant ces 3 ans.

Un accompagnement personnalisé

Un suivi RH et un manager technique métier sont à votre disposition pendant l’intégralité du programme pour suivre votre évolution et construire votre carrière pas-à-pas.

Postulez !

Jimmy is committed to its employees.

Jimmy offers a challenging and demanding experience, tackled by a motivated and hardworking team, where you will learn a great deal.

Through our internal mobility program, employees can easily change roles within the company.

We offer personalized training cycles for the development of each employee.

At Jimmy, we offer collective profit-sharing schemes and BSPCE (stock options) to reward and motivate our employees.

We organize various activities to strengthen team spirit, including two seminars per year, a monthly afterwork, high-level 5x5 football matches, board game nights, and many other festivities.

Working at Jimmy

The success of our project is based on transparent communication and a continuous improvement approach within the team. Each of our employees is encouraged to contribute to building a work environment where personal and collective growth and creativity are celebrated.
Be part of an innovative project dedicated to the decarbonization of industry.
Integrate and thrive in a stimulating team.
Benefit from the best of both worlds: coding to enhance industrial technical efficiency.
Work seriously without taking ourselves too seriously.

Les offres Jimmy

Paris
CDI

Ingénieur Mise en Service F/H

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Paris
CDI

Developer Full-stack senior

January 14, 2025
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Paris
CDI

Architecte Système

January 7, 2025
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Paris
CDI

Chef de projet technique

January 23, 2025
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Paris
CDI

Ingénieur Essais F/H

January 23, 2025
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