Engineer N1

HYDRO Exploitation SA is a leading service provider mainly active in the operation and maintenance of electrical production facilities. Under one roof, we bring together all the specific skills of our profession, from maintenance staff to engineering.

We operate a portfolio of facilities including more than 40 hydroelectric power plants with an installed capacity of about 22% of the Swiss hydroelectric fleet (25% including pumped storage). Together, these facilities produce nearly 16% of Swiss hydroelectric energy.

Thanks to our unique expertise, we offer high value-added services that meet the varied needs of our clients, as well as the most demanding quality standards. Our service portfolio is aimed at electrical companies, public authorities, transport companies, as well as industries. We are mainly active in Switzerland and occasionally operate abroad.

Electrical Engineer

Workplace: Sion

Your mission:

You ensure the completion of study and renewal projects, as well as expert assessments in the field of large rotating machines and their voltage regulation. You guarantee the engineering for the maintenance of alternators and motors in hydroelectric facilities. You also participate in the commissioning of hydroelectric facilities as a commissioning coordinator.

Your responsibilities:

• Develop and carry out complete and complex projects in the field of rotating machines from the preliminary project phase to the operational phase
• Propose and implement technical improvements to optimise the operation of the installations
• Provide technical support to maintenance managers of various hydroelectric facilities
• Establish and update maintenance and investment plans
• Prepare technical offers and establish budgets
• Organise and coordinate work sites and carry out the commissioning of rotating machines
• Perform diagnostic measurements of electrical machines
• Carry out engineering and commissioning of voltage regulation systems
• Keep the technical documentation of the facilities up to date

Your skills:

• EPFL or HES engineer in electrical engineering, preferably with experience
• Knowledge of rotating electrical machines and/or voltage regulation systems
• Experience in conducting studies, acquiring electrical components and commissioning them would be an advantage
• Organisational and decision-making skills necessary for managing several projects simultaneously
• Autonomy and sense of responsibility, ability to work in a team
• Native French or German speaker with very good knowledge of the other language

We offer attractive working conditions and a pleasant atmosphere, supported by corporate values. In a stimulating environment, you have the opportunity to contribute to the operation and development of HYDRO.

If this challenge interests you, please send us your complete application file (cover letter, CV, diplomas, certificates) via our online portal. Deadline: 18 November 2026. For more information, the HR team is at your disposal: jobs@hydro.ch