Senior Staff RF Design Engineer

Location: Neuchâtel, Switzerland (4 Days Onsite)

Our Team:

Semtech Corporation is a leading supplier of analog and mixed-signal semiconductors for high-end consumer, enterprise computing, communications, and industrial equipment.

As market opportunities continue to grow, we are investing in disruptive analog platforms and creating innovative solutions for a wide range of advanced products.

The Wireless Analog/Digital and LoRa System teams in our Neuchâtel and Grenoble offices are world leaders in Low Power Wireless Area Network (LPWAN) solutions.

Our expertise spans the entire system—from antenna design, IC analog and digital development, low-power system design, protocols, to cloud-based applications. You will be part of the next evolution in LoRa and LoRaWAN system architecture.

Job Summary:

Join our pioneering team in Neuchâtel and take a leading role in developing the next generation of IoT wireless solutions.

We are seeking an experienced Senior RF Design Engineer with deep CMOS IC design and RF system architecture expertise.

This role offers the chance to influence both block- and system-level design, shaping advanced RF technologies from concept to product.

Responsibilities:

• Lead the design, simulation, and optimization of RF front ends (~40%).
• Contribute to RF architecture definition for receivers, transmitters, frequency synthesizers, and building blocks such as LNAs, mixers, filters, PAs, and VCOs (~20%).
• Extract S-parameter models for packages and PCBs (~10%).
• Develop and optimize matching networks to meet regional regulatory requirements (~10%).
• Simulate and measure radio performance and compliance (~10%).
• Optimize application PCBs to ensure robust RF performance (~10%).

Minimum Qualifications:

• Master’s degree in Electronics Engineering.
• 7+ years’ experience in the semiconductor industry.
• Proven expertise in LNAs, mixers, filters, and power amplifiers (sub-GHz and 2.4 GHz).
• Experience with matching network development for Rx/Tx applications.
• Proficient with EM simulation tools (SiWave, HFSS, EMX).
• Strong understanding of system-level interactions between RF blocks and power management.
• Innovative, self-motivated, and collaborative team player.
• Excellent communication skills in English (French is a plus).

Desired Qualifications:

• PhD with 12+ years’ experience.
• Track record in non-constant envelope modulations.
• Familiarity with CSS modulation and LoRaWAN protocol.

Career Growth Philosophy:

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.