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Nuclear engineering and

Supporting our customers with engineering, maintenance and dismantling solutions at every stage in the lifecycle of their nuclear and industrial facilities

To be the benchmark responsible player in engineering and complex industrial services.

Onet Technologies has been supporting major players in nuclear energy and other complex industrial environments for 40 years, focusing on 3 strategic activities.


Present in 7 countries, Onet Technologies supports its customers in project development, operation, maintenance in safe conditions and decommissioning of nuclear facilities.


Safety and security culture, skills management and operational performance are at the heart of the services delivered by Onet Technologies for each of its customers.

Our business lines

Find out more about our services

that Onet carries out in your country?

France / International
United States

Present in 7 countries 

Major, recognized partner

of the major players in the nuclear sector in France

with multidisciplinary expertise
French locations

Constantly challenged resources
to guarantee the quality of our services

A strong safety culture



Onet is committed to the safety of installations and the security of people.

  • Corporate culture,
    • Adapted procedures,
    • Managers trained and aware,
    • 12 training centers,
  • Strong internalization of businesses,
  • Expertise in constrained universes.

Onet Technologies' strengths

  • More than 40 years' experience serving the major players in the French nuclear sector: EDF, CEA, AREVA and ANDRA,
  • An engineering and services offer covering the entire life cycle of nuclear facilities,
  • A presence at virtually every nuclear facility in France,
  • Growing international development,
  • A state-of-the-art EPM subsidiary in the United States.

join us?

As a leading provider of nuclear engineering and services, we support industry players in project development, operation, maintenance and decommissioning of nuclear facilities.


Join our teams and take part in varied and stimulating projects. You'll have the opportunity to work alongside expert professionals, helping to guarantee the safety and efficiency of nuclear facilities.


If you're passionate about the nuclear sector and want to work in a dynamic, innovative environment, we'd love to hear from you. Together, we'll be advancing technologies for the benefit of our customers.

Join us - Onet technologies