RF Design Engineer

Location: Neuchâtel, Switzerland (4 Days Onsite)

At Semtech Corporation
, we create the analog and mixed-signal technologies that power the world’s most advanced consumer, enterprise, communications, and industrial systems.

Our Wireless Analog/Digital and LoRa System teams in Neuchâtel and Grenoble are internationally recognised for pioneering Low Power Wide Area Network solutions. From antenna to IC design, ultra-low-power architectures, protocol, and cloud integration, we deliver complete end-to-end systems that define long-range, battery-powered wireless communication across the IoT ecosystem.

By joining this team, you will play a hands‑on role in the continued evolution of LoRa and LoRaWAN system architecture used in millions of connected devices worldwide.

We are looking for a talented RF Design Engineer with CMOS IC design expertise and a passion for solving complex engineering challenges across sub‑GHz to 2.4 GHz bands.

This is an opportunity to work at both block and system level on cutting‑edge radio technology in a highly collaborative, international engineering environment.

• Lead the design, simulation, and optimization of baseband and RF blocks (~70%).
• Conduct lab measurements and performance characterization (~20%).
• Provide ATE support and contribute to regulatory compliance assessment (~10%).

• Master's degree in Electronics Engineering.
• 3+ years’ semiconductor industry experience.
• Hands‑on expertise in one or more of:
  • LDOs, regulators
  • Bandgap references, power‑on reset
  • ADCs (Sigma‑Delta, SAR)
  • LNAs, mixers, filters
  • Power amplifiers (sub‑GHz or 2.4 GHz)
• Strong problem‑solving mindset with a collaborative approach.
• Proficiency in English (French is a plus).

• PhD with 5+ years’ experience.
• RC and XTAL oscillator design.
• Knowledge of ESD protection strategies.
• Mixed‑mode simulation experience (Symphony or equivalent).
• EM simulation tools (SiWave, HFSS, EMX).

At Semtech, we believe that innovation starts with people. We are committed to empowering professional development through mentorship, continuous learning resources, and a collaborative, idea‑rich engineering environment.

Our pay‑for‑performance culture rewards initiative, encourages growth, and recognises meaningful technical and leadership contributions. Engineers in this role are supported to expand their influence, deepen their expertise, and shape both their career progression and the future of Semtech’s digital engineering capabilities.

Additional Notes: The intent of this job description is to outline the major duties and responsibilities of this role. Incumbents may be required to perform other job‑related tasks as needed.

All duties and responsibilities are considered essential job functions and requirements.