Innovator: Power Electronics R&D for Rail & DC Grids

Sécheron SA

Satigny

On-site

CHF 110,000 - 170,000

Full time

14 days+

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Job summary

Jobtailor in the Geneva region seeks a highly skilled Power Electronics Engineer to drive research and development of fast-switching circuit breakers and DC protection solutions for railway and industrial power systems.

You will collaborate in multidisciplinary teams on simulations (MATLAB/Simulink, LTspice, PSIM), hardware validation, and optimization, contributing to IP generation and product roadmaps with a focus on reliability and manufacturability.

Qualifications

Master's degree in Electrical Engineering, Power Electronics, or related field.
Strong knowledge of power electronics and power semiconductor switching technologies.
Experience with power semiconductor devices, including IGBT, GTO, MOSFET, and SiC technologies.
Experience with simulation tools such as MATLAB/Simulink, PLECS, PSIM, LTspice, or equivalent.
Knowledge of power electronics laboratory testing and measurement techniques.
Good understanding of thermal, electrical, and system-level design considerations.
Ability to work within multidisciplinary R&D teams.
Experience in DC protection systems or circuit breaker technologies (preferred).
Experience in railway, industrial power systems, renewable energy, e-mobility, or DC microgrid applications (preferred).
Familiarity with EMC, insulation coordination, and safety requirements (preferred).
Experience with control algorithms and embedded control systems (preferred).
Knowledge of reliability analysis and design-for-manufacturing principles (preferred).

Responsibilities

Investigate emerging power electronics technologies for railway, DC microgrid, industrial, energy, and advanced electrification applications.
Support feasibility studies, proof-of-concept developments, and innovation projects.
Develop simulation models and test methodologies.
Identify opportunities for performance improvements and cost optimization.
Contribute to intellectual property generation and technology roadmaps.
Support Business Development in identifying new applications for fast-switching circuit breakers and defining corresponding product requirements.
Define and evaluate power semiconductor devices and converter topologies.
Perform simulations of switching behavior, losses, thermal performance, and fault scenarios for different topologies.
Support hardware development, laboratory validation, and technology demonstrators.
Contribute to design reviews, technical documentation, validation, and project milestones.
Support development and improvement of HSCB and fast DC protection products.
Analyze field issues and propose technical solutions.
Cooperate with mechanical, thermal, system, and test engineers.
Support industrialization and product maintenance activities when required.
Support development and maintenance of HSCB electronic hardware, software, Eco-Drive, and coil controller solutions.