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Assystem GmbH

Assystem is a leading independent nuclear engineering firm dedicated to accelerating the global energy transition.

climate-techconstructionengineering-servicesrenewable-energytechnology-consulting

assystem.com ↗ LinkedIn ↗

Company facts

Founded: 1966
Employees: 10,000
Headquarters: France
CEO: Dominique Louis
Type: Enterprise

About

Assystem is a leading independent nuclear engineering firm dedicated to accelerating the global energy transition. With 8,000 professionals across 13 countries, the company designs, supervises, and delivers complex nuclear, renewable, and hydrogen projects while driving digital transformation for power grids and low‑carbon transport infrastructures. Leveraging 59 years of expertise, Assystem partners with industry giants such as EDF, Engie, and Rolls‑Royce to deliver innovative solutions that improve performance and speed of infrastructure development. Recognized as one of the top three nuclear‑energy companies worldwide, Assystem combines deep technical know‑how with a proactive approach to climate‑positive energy solutions.

Company facts

Founded: 1966
Employees: 10,000
Headquarters: France
CEO: Dominique Louis
Type: Enterprise

About

Assystem is a leading independent nuclear engineering firm dedicated to accelerating the global energy transition. With 8,000 professionals across 13 countries, the company designs, supervises, and delivers complex nuclear, renewable, and hydrogen projects while driving digital transformation for power grids and low‑carbon transport infrastructures. Leveraging 59 years of expertise, Assystem partners with industry giants such as EDF, Engie, and Rolls‑Royce to deliver innovative solutions that improve performance and speed of infrastructure development. Recognized as one of the top three nuclear‑energy companies worldwide, Assystem combines deep technical know‑how with a proactive approach to climate‑positive energy solutions.

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308 jobs

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Nuclear Control Systems Architect

Open 29d HybridEurope

Design and oversee nuclear instrumentation & control (I&C) systems for Small Modular Reactors and Advanced Modular Reactors, ensuring compliance with safety standards and regulatory requirements.

Mechanical Project Manager - Nuclear

Open 29d Europe

Manage mechanical inspection, maintenance, and requalification projects for nuclear facilities, coordinating teams and ensuring compliance with safety and regulatory standards.

Electrical Project Manager

Open 29d Europe

Manage electrical maintenance and inspection projects at nuclear facilities, coordinating teams and contractors to ensure safety, quality, and regulatory compliance.

Civil Engineering Project Manager

Open 29d Europe

Oversee civil-engineering projects for nuclear power plants: plan, coordinate, and supervise construction/maintenance work while ensuring compliance with nuclear safety codes and client requirements.

Project Engineer

Open 29d Europe

Ingénieur Projet Réalisation Nucléaire H/F Location: Avoine, Centre-Val de Loire, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du…

Data Steward

Open 29d Europe

Data Steward H/F Location: Marseille, Provence-Alpes-Côte d'Azur, fr Description de l'entreprise Assystem figure aujourd’hui parmi les trois leaders mondiaux d’ingénierie nucléaire indépendante . Fort de plus…

Automation Engineer

Open 29d Europe

Ingénieur Automatisme H/F Location: Bois-Colombes, IDF, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ siècle. Au cœur de…

Data Engineer & Analyst

Open 29d HybridUK

Graduate Data Engineer & Analyst Location: Bristol, England, gb Company Description Assystem is an international company with one mission: accelerate the energy transition around the world. Every day, our 8,000+…

Analytics Data Engineering Data Modeling Data Pipelines Data Quality +5 skills

Industrial Systems Engineer

Open 29d Europe

Ingénieur AVEVA Confirmé H/F Location: Saint-Denis, IDF, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ siècle. Au cœur de…

Agile .NET Java SCADA SQL +2 skills

System Design Engineer

Open 29d Europe

Ingénieur conception ingénierie système H/F Location: Lyon, Auvergne-Rhône-Alpes, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du…

Product Systems Engineer

Open 29d Europe

Ingénieur en Ingénierie Système de produits complexes H/F Location: Lyon, Auvergne-Rhône-Alpes, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont…

Nuclear Safety Engineer (Remote)

Open 29d HybridEurope

Ingénieur Sûreté Nucléaire expérimenté H/F Location: Montrouge, IDF, fr, Remote Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ…

Nuclear Automation Engineer

Open 29d HybridEurope

Ingénieur Automatisme Nucléaire H/F Location: Lyon, Auvergne-Rhône-Alpes, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ…

Sub-Project Manager

Open 29d UKContract

Sub-Project Manager Location: Whitehaven, England, gb Company Description Today, Assystem is among the top three independent nuclear engineering firms worldwide. With over 60 years of experience in highly regulated…

Automation Engineer

Open 29d HybridEurope

Ingénieur Automatisme H/F Location: Cherbourg-en-Cotentin, Normandy, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ siècle.…

Automation, Electricity, Cybersecurity Engineer

Open 29d Europe

Ingénieur Automatisme Electricité Cybersécurité H/F Location: Cherbourg-en-Cotentin, Normandy, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des…

System Engineer

Open 29d HybridEurope

Ingénieur Système H/F Location: Marseille, Provence-Alpes-Côte d'Azur, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ…

ERP SysML Unix Virtualization

Industrial Systems Engineer

Open 29d Europe

Ingénieur MES / AVEVA Expérimenté H/F Location: Nantes, Pays de la Loire, fr Description de l'entreprise Répondre aux défis de la transition énergétique et renforcer notre souveraineté sont des priorités du XXIᵉ…

Java SCADA SQL UML XML

Assistant Project Manager, Operational Steering & Support

Open 29d Europe

Assistant chef de Projet – Pilotage & Support Opérationnel - Alternance H/F Location: Chessy, IDF, fr Description de l'entreprise Assystem figure aujourd’hui parmi les trois leaders mondiaux d’ingénierie…

Project Manager – Electrical

Open 59d HybridUKContract

Working on a major nuclear power plant project, the Project Manager (PM) has the responsibility to ensure delivery of all (or part of) the engineering, procurement, manufacturing, construction, and commissioning…