Nuclear Engineer

alten· Energy & Environment
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About this role

Description de l'entreprise

A leader in Engineering and IT Services, present in more than 30 countries with nearly 60,000 employees, the ALTEN Group supports its clients’ development strategies in the fields of innovation, R&D, and information technology systems 

Description du poste

What will you be doing? 

As a Nuclear Engineer, you will join a team to support our activities within the Nuclear Sector.

Your main responsibilities will be: 

  • Support design activities for Reactor and Core Systems, progressing from Final Concept Definition (FCD) through to the early stages of Detailed Design.
  • Take ownership of cross-functional tasks that contribute to the continuous improvement of system design processes and procedures across the organisation.
  • Engage regularly with key design stakeholders, ensuring effective communication and adherence to governance processes, including gated design reviews, definition reviews, and decision reviews.
  • Develop comprehensive design documentation, including System Design Descriptions, Piping & Instrumentation Diagrams (P&ID), Functional Bill of Materials, Requirement Definitions, Decision Records, and other essential design materials.

 

 

Qualifications

  • Bachelor’s or master’s degree in mechanical engineering, systems engineering, chemical engineering or a field related to Nuclear systems.
  • Excellent stakeholder management and communication skills.
  • Proficient in delivering presentations and producing high-quality reports.
  • Strong understanding of systems engineering principles and requirements management.
  • Knowledge of Pressurised Water Reactor (PWR) operating principles.
  • Preferably some familiarity with reactor core physics
  • Fluency in French and english mandatory

Informations supplémentaires

Our Three Pillars of Commitment to Sustainable Development

ALTEN’s approach to sustainability and corporate social responsibility is built on three fundamental pillars:

People
We celebrate the richness of diversity among our employees, representing over 100 nationalities. We are committed to fostering an inclusive environment where everyone can thrive and make meaningful contributions.
We support skills development and actively guide our talents in their personal and professional growth.

Environment
Our mission is to minimize our environmental impact while promoting sustainable growth. We are committed to achieving carbon neutrality by 2050 — a goal that drives our operations and shapes our strategic initiatives.

Sustainable Innovation
At ALTEN, we view the challenges of sustainable development as opportunities for research and innovation. With 31% of our internal R&D dedicated to sustainable innovation, we are determined to transform these challenges into value-creating, progress-driven solutions.

Frequently Asked Questions

Is the salary disclosed for the Nuclear Engineer position at alten?
The salary for this Nuclear Engineer role at alten is not publicly listed. Click "Apply Now" to learn more about the compensation package on their official careers page.
Where is the Nuclear Engineer position at alten located?
This Nuclear Engineer role at alten is based in Cherbourg-en-Cotentin, Cherbourg-en-Cotentin, Normandy, France, Normandy, fr. The position is listed as on-site or hybrid. Check the full job description or apply directly to confirm the work arrangement.
Is the Nuclear Engineer role at alten full-time or part-time?
This is listed as a Full time position. It is posted as a Nuclear Engineer role in the Energy & Environment department at alten.
Which team or department does the Nuclear Engineer at alten belong to?
This Nuclear Engineer position is part of the Energy & Environment department at alten. See the full job description for more information about the team structure and responsibilities.
How do I apply for the Nuclear Engineer position at alten?
Click the "Apply Now" button on this page. You will be redirected to alten's official application portal hosted on smartrecruiters where you can submit your application directly.
When was the Nuclear Engineer job at alten posted?
This Nuclear Engineer position at alten was posted on Jun 8, 2026. Apply as soon as possible — early applications are often reviewed first.
Nuclear Engineer
alten
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