Mechanical Design Technician CATIA on Fixed-Term Contract M/F

29 October 2026
100%
Meyrin

Job summary

Assystem accelerates the global transition to low-carbon energy. Join a dynamic environment focused on climate solutions and career growth.

Tasks

Design tools using CATIA V5 for nuclear projects.
Create detailed plans and functional quotations meeting client needs.
Verify quality of 3D designs and documentation for accuracy.

Skills

BAC +2/3 in relevant field, ready for new challenges.
Proficiency in CAD software, especially CATIA.
Strong autonomy, rigor, and proactive approach.

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About the job

Company Description

Finding solutions to climate change is the priority of the 21st century, and involves switching to low-carbon energy. At Assystem, we have therefore made it our mission to accelerate the energy transition worldwide. To achieve this, our 8000 Switchers combine their historical expertise in engineering and project management with digital technologies.

Present in 13 countries (Europe, Middle East, Asia, North America), we work on the production and distribution of low-carbon electricity, through the development of nuclear and renewable energies. We also participate in the modernisation of electrical grids and the electrification of uses, through hydrogen to decarbonise the transport and industry sectors.

Job Description

Your future team

Under the responsibility of a Team Leader, join the teams in charge of our activities within a major European player for large-scale projects in the nuclear field

Your missions

🔹Design tools on CATIA V5

🔹Create detailed, assembly drawings, bill of materials, ...

🔹Perform functional dimensioning taking into account the Client's requirements

🔹Check the quality of deliverables: 3D Design (interfaces, collisions, ...) and Drawings (consistency, formatting, ...)

🔹Write Operating Procedures to explain the tooling operation to the Client

Why join the Switchers community?

🔹 Assystem has over 55 years of experience in nuclear. We are among the top 3 largest nuclear engineering companies.

🔹 Training throughout your career.

🔹 Many career opportunities: 70% of our managers are promoted internally.

Qualifications

Your strengths and prerequisites for success

You are a professional with a BAC +2/3 qualification in this field, ready to take on new challenges.

You master CAD and use software such as CATIA
You are a recent graduate or have 3 years of experience
You are recognised for your rigour, autonomy and proactivity.

Additional Information

Additional information

We are committed to equal treatment of candidates and celebrate all forms of diversity. At Assystem, only skills count! If you wish to inform Assystem of any situation or specific needs, do not hesitate, you will be supported!

We are committed to equal treatment of candidates and cultivate all forms of diversity. At Assystem, only skills count! If you wish to inform Assystem of any situation or specific needs, do not hesitate: you will be supported!