Electrical Design Engineer – Power Electronics

AYES - Management & Technology Consulting; Baden; On-site; CHF 90,000 - 120,000; Full time

Job summary

AYES, an international engineering and technology consulting company, is seeking an Electrical Design Engineer to contribute to the development of advanced power conversion systems. The role focuses on electrical design, EPLAN and low-voltage systems within a multidisciplinary engineering environment.

The ideal candidate will have a Bachelor's or Master's degree in Electrical Engineering, 3–5 years of relevant experience, and fluent English.

Qualifications

• Bachelor's or Master's degree in Electrical Engineering or related discipline.
• 3–5 years of experience in electrical design, preferably within power electronics or industrial applications.
• Fluent English, both written and spoken.

Responsibilities

• Develop and maintain electrical schematics using EPLAN.
• Design electrical circuits and architectures for power conversion systems, focusing on low-voltage and auxiliary circuits.
• Select and size electrical components, including circuit breakers, contactors, power supplies, cables and protection devices.
• Perform electrical calculations, including cable sizing, load analysis and protection coordination.
• Prepare technical documentation, electrical drawings, specifications and Bills of Materials (BOM).
• Collaborate with Power Electronics, Mechanical, Hardware and Software teams throughout the development process.
• Ensure compliance with IEC, UL and industry standards, supporting testing and commissioning activities.

Skills

Electrical design

Load calculations

Cable sizing

Education

Bachelor's or Master's degree in Electrical Engineering

Tools

EPLAN

Job description

AYES, an international engineering and technology consulting company, is looking for an Electrical Design Engineer to join our team and contribute to the development of advanced power conversion systems.

We are seeking an engineer with a strong background in electrical design, EPLAN and low-voltage systems, capable of working on complex industrial applications within a multidisciplinary engineering environment.

Key Responsibilities

• Develop and maintain electrical schematics using EPLAN, ensuring accurate and reliable designs.
• Design electrical circuits and architectures for power conversion systems, with a focus on low-voltage and auxiliary circuits.
• Select and size electrical components, including circuit breakers, contactors, power supplies, cables and protection devices.
• Perform electrical calculations, including cable sizing, load analysis and protection coordination.
• Prepare technical documentation, electrical drawings, specifications and Bills of Materials (BOM).
• Collaborate with Power Electronics, Mechanical, Hardware and Software teams throughout the development process.
• Ensure compliance with applicable IEC, UL and industry standards, supporting testing and commissioning activities.

Requirements

• Bachelor's or Master's degree in Electrical Engineering or a related discipline.
• 3–5 years of experience in electrical design, preferably within power electronics or industrial applications.
• Advanced proficiency in EPLAN for electrical schematic design.
• Solid knowledge of low-voltage electrical components, protection devices and distribution systems.
• Hands‑on experience in electrical dimensioning, cable sizing and load calculations.
• Familiarity with electrical design standards and technical documentation.
• Fluent English, both written and spoken.

Nice to Have

• Experience with power converters, AC/DC systems, inverters, UPS or industrial drives.
• Knowledge of medium-voltage electrical systems.
• Previous involvement in electrical testing, validation or commissioning activities.