Mechanical Design Engineer (Power Conversion)

Sécheron Hasler Group continues the Swiss tradition of over 140 years in the field of railway technology. We are a leading global supplier of electrical and electronic safety components and solutions and traction power systems for the railway industry and also provide solutions for renewable energy, DC grid, and other industrial systems. The name Sécheron Hasler Group is a worldwide synonym for Swiss Quality and represents a leading reference for state-of-the-art products supplied to the market.

With more than 1 200 employees worldwide, we are wherever our customers are around the globe, supplying products approved in our customers’ countries or markets and deliver supply chain and customer services locally.

For our office in Geneva, we are currently looking for a Mechanical Design Engineer (Power Conversion).

Mission & main tasks:

• Being responsible for the mechanical design of power converters, working as part of an engineering team developing systems in the range of 1-10 MW.
• Participate on the Product Development and R&D activities among multiple product categories.
• Designing liquid and forced air cooled power stacks, enclosures, subassemblies, custom components for power converters with a special focus on industrialization and cost efficiency.
• Generate manufacturing and assembly drawings and bill of materials and maintain product data in our electronic document management system and ERP.
• Get involved with the sales department through the analysis of needs for prospecting projects, giving time and material cost estimates for development or project execution activities.
• Collaborate on the supplier qualification activities, working closely with the purchasing department in their interactions with distributors.
• Give assistance in the preparation and execution of validation tests for prototypes, including isolation and dielectric strength, IP levels, and thermal management.
• Participate on the industrialization of new products and maintenance of existing ones by supporting the production department.
• Cooperate closely with the company Development Team in Madrid and Production Center in Prague.

• Mechanical Engineering studies such as University Degree or Higher Technical Diploma.
• Minimum 3 years of experience on the Power Conversion field within at least 5 years of experience in general mechanical engineering background.
• Excellent english communication skills, French or Spanish is a plus.
• Extensive knowledge and demonstrated experience in 3D CAD design tools (SolidWorks, Catia, Solid Edge, Autodesk Inventor…).
• Experience on the mechanical design for medium size power converters, battery storage and cooling systems in the range of 1-10 MW.
• Design of power stacks, metal sheet, cabinet profiles and copper/aluminum busbars.
• Knowledge on electrical insulation devices and techniques.
• Availability to travel up to 10%.
• Liquid and forced air cooling of power converters.
• Design for outdoor application (high IP and containers).
• Electrical knowledge of power conversion principles and devices (IGBTs, diode rectifiers, thyristor...).
• Knowledge on mechanical and thermal stress calculations and simulations.
• Familiarity with power converters related standards and norms, as IEC61439 and IEC62477.

We have flat hierarchies and direct communication between departments and levels of management is encouraged. This enables us to make decisions quickly.

We give our employees total responsibility for their job tasks. All employees are encouraged to take initiatives and contribute to the company’s operational excellence and have ample opportunities to achieve their personal and career growth objectives.