Senior Hardware Design Engineer

contribute to the design, redesign, and integration of embedded electronic systems used in connected and safety‑critical transportation and industrial applications. The mission focuses on PCB redesign, system integration, and validation activities, working closely with firmware, mechanical, RF, and test engineers in a multidisciplinary environment. The role requires strong hands‑on involvement across design updates, testing, and de‑risking phases on‑site in Switzerland.

Expleo is a global engineering, technology, and consulting partner helping businesses innovate, transform, and deliver high‑quality products and solutions. With expertise spanning aerospace, automotive, transportation, telecommunications, financial services, and life sciences, we support clients in solving complex engineering challenges while accelerating innovation. Our teams combine deep technical knowledge with a hands‑on mindset, working collaboratively to drive measurable impact and operational excellence.

• Professional to senior‑level experience in electronic hardware design

• Strong hands‑on experience with Altium Designer

• Solid background in digital electronics, including 32‑bit microcontrollers

• Experience with EFM32 and/or Nordic MCUs is a strong advantage

• Experience with hardware interfaces such as SPI, CAN, USB, and RS‑232

• Proven know‑how in USB‑C Dual Role Port (DRP) and Power Delivery (PD)

• Experience in EMV / EMC‑aware hardware design

• Working knowledge of LTspice or equivalent SPICE simulation tools

• Experience with wireless communication technologies (BLE, LoRa, 2.4 GHz)

• Practical understanding of antenna technology, including antenna types and impedance matching

• Comfortable using laboratory test equipment (oscilloscope, logic analyzer, spectrum analyzer)

• Understanding of firmware development concepts to support HW/FW interfaces

• Experience with SAP for BOM handling is an advantage

• Fluent in English; German and/or French are beneficial