Senior RF Design Engineer

About the role

We are seeking a Senior RF Design Engineer with CMOS IC design expertise to work on cutting‑edge radio technology for LoRa and LoRaWAN systems. You will play a hands‑on role in evolving system architecture used in millions of IoT devices worldwide.

Key responsibilities

• 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%).

Required profile

• Degree in Electronics Engineering.
• 5+ 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).

Required skills

• CMOS IC design.
• LDOs, regulators, bandgap references, power‑on reset.
• Sigma‑Delta and SAR ADCs.
• LNAs, mixers, filters, power amplifiers (sub‑GHz or 2.4 GHz).
• RC and XTAL oscillator design.
• ESD protection strategies.
• Mixed‑mode simulation (Symphony or equivalent).
• EM simulation tools (SiWave, HFSS, EMX).