Digital Signal Processing Engineer (Wireless DSP)

Location: Meylan, France — hybrid, with office attendance Monday–Friday

Salary: €49,000–€70,000 per year

Company

hirify.global develops low-power wireless communication and IoT connectivity solutions, including LoRa and LoRaWAN technologies, from antenna and IC design through protocols and cloud-based systems.

What you will do

• Design and refine PHY-layer signal processing algorithms for modulation, demodulation, synchronization, channel estimation, filtering, and error correction.
• Build and maintain floating-point and fixed-point Matlab reference models used for hardware implementation and validation.
• Simulate and analyze modem performance under AWGN, fading, and interference conditions using BER, PER, sensitivity, and robustness metrics.
• Contribute to modem IP block implementation in SystemVerilog and develop bit-accurate C models for fixed-point conversion and hardware validation.
• Correlate radio laboratory measurements with simulation models and improve algorithms based on validation results.
• Document algorithm specifications, simulation reports, and performance analyses while evaluating new DSP and wireless communication techniques.

Requirements

• MSc or PhD in Signal Processing, Telecommunications, Electronics, or a related field.
• 3+ years of experience developing DSP algorithms for wireless communication systems.
• Strong Matlab skills for algorithm modelling, simulation, and performance analysis.
• Hands-on experience with SystemVerilog RTL design and bit-accurate C modelling for signal processing blocks.
• Solid understanding of wireless PHY principles, including modulation, synchronization, channel estimation, and forward error correction.
• Strong analytical, mathematical, communication, and collaboration skills in an international environment.

Nice to have

• Knowledge of LoRa, BLE, FSK, or similar low-power wireless technologies.
• Understanding of fixed-point implementation constraints and hardware design trade-offs.
• Experience with RF instruments such as vector signal generators, spectrum analyzers, and signal analyzers.

Culture & Benefits

• Work with multidisciplinary Wireless and LoRa System teams across Grenoble and Neuchâtel.
• Access to mentorship and learning resources for professional development.
• Collaborative environment focused on innovation and knowledge sharing.
• Pay-for-performance culture that recognizes initiative and contributions.