Job offer: Diver (M/F) Permanent contract Tax residence (Gravelines area)

Formerly Comex Nucléaire, we have over 30 years of experience in nuclear diving and operate in complex, hostile industrial environments with high safety stakes.

Our teams mainly work on nuclear sites (pumping stations, hydraulic structures, industrial circuits, reactor pools, fuel pools), but also across all industrial sectors.

As a Class 2 Diver with an A rating, you will join customized intervention teams of 4 to 5 people, depending on the nature of the work.

Your hyperbaric and underwater work includes:

- Standard mechanical maintenance

- Decommissioning operations

- Installation of inflatable plugs and cofferdams

- Decontamination in controlled and uncontrolled zones (very high pressure + suction)

- Foreign object removal

- Televisual inspections with photo and video capture

- Underwater welding (patch installation)

- Work in confined and nuclear environments

- Inspections & Expertise

- NDT/NDE Inspections: magnetic particle inspection, immersion thickness measurements, ACFM, eddy current testing, multi-beam sonar assessment

Bathymetry (siltation mapping)

- Ancillary works, study and design of specific equipment

- Work at height (rope access technicians) depending on profile

👉 This role extends beyond diving operations; you will also be involved in mechanical and industrial tasks performed outside of immersion.

Your assets

You hold a valid Class 2 Hyperbaric Certification with an A rating and the professional title of public works diver, which is mandatory for this position. You have skills or an aptitude for welding, machining, and/or mechanics, and proven experience in a similar position.

Comfortable in industrial environments, you are able to work on technical installations such as pumping stations, pipelines, radiologically contaminated pools, or specific industrial equipment. You are willing to accept a versatile position in which your duties are not limited to diving.

You are rigorous, independent, and a good team player. You strictly enforce safety procedures and are able to work in constrained and regulated environments, particularly at nuclear sites.

This position is subject to an administrative investigation, in accordance with nuclear industry requirements.

Onet has been committed to diversity and disability for many years. Onet recruits and recognizes all talents.

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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