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ASSYSTEM

Engineering services for design, construction, commissioning

Accidental Operations Engineer Intern

Mechanical EngineeringConfirmed live in the last 24 hours
InternshipMarseille, FranceNo salary listedIn-person

About the Job

Requirements

  • Hold a BAC+5 qualification with a nuclear dimension.
  • Be autonomous and able to take initiative and propose solutions.
  • Have a good interpersonal manner.
  • Be proficient with Microsoft Office; knowledge of Visio is a plus.

Responsibilities

  • Become familiar with the State-Based Approach, CIA operating documentation, and processes for updating CIA operating instructions.
  • Simulate accident operations by developing scenarios grouped into operating strategies.
  • Write summary sheets for each scenario describing the accident and the strategy used to return the reactor to a safe state.
  • At the end of the internship, provide a note covering all simulated scenarios, with a physical description and summary of key points for each scenario.

Desired Qualifications

  • Knowledge of Visio is a plus.
  • Training in facilitating workshops on climate, biodiversity, water, or diversity is a bonus, with support available to deploy them in the Switchers community.

About the Company

ASSYSTEM

Engineering services for design, construction, commissioning

Assystem provides engineering services for complex projects, covering design, construction, supervision, commissioning, and operation, with a strong focus on the nuclear and energy sectors. Its approach combines multidisciplinary engineering teams and project-management capabilities to move projects from initial concept through to operation. The company differentiates itself through a long track record, strategic acquisitions (including Alphatem in 1995 and Mactech Energy Group in 2025) and an early public offering in 2013, which have expanded its capabilities and market reach in the energy and nuclear fields. Its goal is to be a leading, reliable partner for clients by delivering end-to-end engineering services and helping them meet safety, performance, and regulatory requirements across the project lifecycle.

Company size
5,001-10,000
Company stage
IPO
Headquarters
Paris, France
Founded
1966

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