Onboard

→ Why Join O5 Marine at Sea?

At O5 Marine, our human scale is our strength. It allows us to stay close to our crews, build real connections, and ensure everyone feels seen and supported. We know each crew member — not just your position, but your journey.

We offer French employment contracts, both fixed-term and permanent, across a wide range of positions — from unlimited captains to able seaman position, on various types of vessels. Whether you're just starting out or an experienced seafarer, we value your contribution and are committed to supporting your career at sea.

We also place the highest priority on onboard safety and security, and are proud to operate under MLC (Maritime Labour Convention) certification, ensuring fair working conditions and full compliance with international standards.

Step aboard a company where your safety, wellbeing, and career are always a priority.

Offshore vessel at an offshore wind farm

Ashore

→ Working Ashore at O5 Marine

At O5 Marine, our onshore team plays a key role in supporting operations and driving the company’s development. As a growing structure, we remain small enough to maintain a close, collaborative working environment — where every contribution truly counts.

We offer a flexible working environment where the ability to take on varied tasks is a real strength.

As the company expands, we are committed to offering meaningful opportunities for growth and development, in line with each team member’s goals and potential.

If you're looking for a workplace where you can grow, contribute, and be part of an ambitious journey — O5 Marine is the place to be.

Shore-based team in a meeting

Join us

Interested in joining the O5 Marine team? Whether it’s onboard or ashore, we welcome spontaneous applications—send us your CV!







    The personal data collected with your CV is intended for O5 Marine and will be used to process your application and, if relevant, create a pool of candidates. Access to your personal data is strictly limited to O5 Marine employees responsible for processing it. Your data will be stored for a maximum period of two years. You have the right to access and rectify your data, as well as the right to request its deletion or restrict its processing. You may withdraw your consent to the processing of your data at any time. You may also exercise your right to data portability.

    To exercise these rights, please contact us at contact@o5marine.com or at the following postal address: O5 Marine, 16 Place Général de Gaulle, 13001 Marseille.

    For more information about your rights, you can visit cnil.fr (the French Data Protection Authority). If, after contacting us, you feel that your data protection rights have not been respected, you may lodge a complaint with the CNIL.

    Seafarer with a radio on deck