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908 available offers
  • Experienced Mechanical Calculations Engineer
  • Ref: 2026-16514
  • Marseille
  • CDI
  • Today
City
Marseille
Activity
Engineering and services (nuclear and complex industry)
Function
Engineering// expertise/ project/ r&d
Contract type
CDI
Working hours
Day package
Compensation

Offer description

Your mission

To support the growth of our engineering projects for the nuclear industry, we are recruiting a Mechanical Calculations Design Engineer.

 

Attached to the Technical Department and the Pressure Equipment and Regulations Division, the Mechanical Calculation Design Engineer is involved in complex mechanical equipment design projects for the nuclear industry and carries out various mechanical, thermo-mechanical (and possibly thermo-hydraulic) studies in collaboration with other teams or departments within the Technical Department at Onet Technologies.

 

In this context, your main tasks will be as follows:

- Participate in all phases of a project, from the tender phase, studies (feasibility, preliminary design, detailed design, final design, etc.), implementation (consultations, contracting, implementation, assembly), factory testing, and on-site commissioning (assembly and testing).

-Participate in the design of various systems and equipment in collaboration with the project team and other design offices in the Technical Department.

-Analyze input data for a call for tenders, project, or deal, and define and justify calculation assumptions based on equipment life cycles in accordance with nuclear regulatory standards.

-Perform mechanical dimensioning calculations (using finite elements and analytical methods) in accordance with nuclear standards.

-Produce technical parts within your area of expertise, strictly adhering to the technical scope.

 -Draft specifications, consult suppliers, and analyze bids received

 -Participate in the technical verification of deliverables produced within your area of expertise

-Participate in and/or lead internal technical meetings and/or meetings with clients and/or subcontractors/suppliers

-Anticipate and identify potential technical, cost, and scheduling issues and suggest areas for improvement

Your assets

Higher technical education (engineering school or university equivalent) in mechanics, numerical simulation, ideally with a minimum of 2 to 3 years' experience in mechanical calculation within a design office in the nuclear field.

Proficiency in ANSYS numerical simulation software (Mechanical using APDL or Workbench) is essential. Knowledge of the following software would be an advantage: SYSTUS, PIPESTRESS, ANSYS CFX, or FLUENT.

You have solid experience in nuclear equipment, particularly pressure equipment.

 

Knowledge of the following codes and standards is a real plus to help you settle into the job: RCC-M, Eurocodes, 13480, 13445, FEM, ASME.

Our business

Onet, a French family-owned group founded in 1860, is an international player in engineering and services. Its more than 70,000 employees work every day to help create ever healthier, safer and more reliable environments.
More about Onet
Onet Technologies is a recognized player in engineering, maintenance and on-site operations for the nuclear industry. We offer our customers end-to-end solutions, from engineering studies and plant operation to manufacturing and on-site deployment. We are 3,000 enthusiasts who have been tackling the challenges of nuclear energy for over 40 years. Onet Technologies is part of the Onet Group, an engineering and services group.

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