High Voltage and Electrical Distribution Business Engineer (M/F)

Chantiers de l'AtlantiqueLoire-AtlantiqueEURESpublished 09/30/2026
Machine translation — original language: French.Show original

Job Description:

The Energies Marines & Ingénierie Business Unit of Chantiers de l'Atlantique has been active for several years in the renewable marine energy markets, particularly on electrical substation contracts for offshore wind farms.

You will work within the CFO department of the Energies Marines et Ingénierie BU, which is responsible for the studies and the supply of equipment and systems necessary for the operation of substations for offshore wind projects. Composed of 12 engineers and 10 technicians, the team works mainly in an open space office environment.

As a High Voltage Protection Engineer, your main missions are as follows: Within the scope of Protection, Control, and Supervision, analyze the client's technical specifications and identify project requirements in order to evaluate technical feasibility; Be the technical referent during the design phase of high voltage protection, control, and supervision systems, thereby ensuring that all specific project requirements and applicable standards are taken into account; Write the Basic Design deliverables for the High Voltage Protection system (Protection Philosophy, Protection Single Line diagram); Write technical specifications for supplier consultation based on project needs; Validate the technical compliance of solutions proposed by suppliers and ensure proper management of the protection system interfaces with substation equipment; Supervise suppliers at all stages of the project, from studies to final testing, including manufacturing and assembly; Manage the technical relationship with suppliers while ensuring compliance with cost, quality, safety, and deadline objectives; Participate in tests (FAT) and assist teams on board during the substation assembly and testing phase; Ensure continuous technological monitoring, write improvement plans, and lead progress actions related to your field of expertise.

Come and participate in the emergence of the French offshore wind industry and be an actor in the energy transition!

Profile Description:

Holding an engineering degree (Bac +5) in electricity with a specialization in high voltage electrical protection, you have proven experience in this field. You possess a good knowledge of standards related to HV protections, communication protocols (IEC 61850), and ideally the protection systems used by RTE.

Your technical expertise allows you to design substation protection plans, perform short-circuit and selectivity studies, and dimension current and voltage transformers. You also master the equipment of the main market suppliers (GE, Hitachi, Siemens, etc.). Autonomous, rigorous, and possessing excellent interpersonal skills, you have the ability to lead large-scale technical projects, ensuring coordination between the various stakeholders. A good level of English, both written and spoken, is indispensable for your exchanges with international interlocutors.

Occasional travel to suppliers is to be expected.

Joining us also means: Having great career opportunities and a multitude of professional trajectories; Having numerous benefits such as: RTT, provident fund/family mutual insurance (60% covered by the employer), company restaurant with employer contribution, CSE: holiday vouchers, leisure, travel, sports associations, free media library; The possibility to benefit from up to 6 days of teleworking per month (if your role allows it); Remuneration over 13 months, an incentive and profit-sharing agreement, a mandatory annual negotiation every year; An excellent geographical location: close to the ocean, SNCF station and bus lines nearby; Joining a company committed to diversity, notably through our "les Elles de l'Atlantique" approach which promotes gender balance within the company.

Because the sea is our future and soon yours. Find our recruitment process at www.chantiers-atlantique.com