Senior Communication System Engineer

Join our cutting-edge start-up adventure!

Who are we?

Join the Revolution in GNSS and IoT Connectivity

At Qualinx, we’re not just building chips, we’re engineering the future fabric of the connected world. As a pioneering semiconductor scale-up, we’re transforming how devices connect, communicate, and operate through our ground-breaking Digital RF technology. Our mission goes beyond ultra-low power GNSS: we’re redefining what’s possible in adaptive, scalable, and intelligent connectivity for the Internet of Things.

Born from deep-tech innovation at TU Delft, our team of visionary engineers and bold thinkers is tackling the toughest challenges in GNSS and IoT, starting with power consumption and expanding into dynamic, context-aware solutions that adapt to any environment or use case. We’ve already achieved what many thought impossible: the world’s most advanced GNSS chipset. But that’s just the beginning.

At Qualinx, we believe that the future of connectivity lies in precision, efficiency, and adaptability. Our ambition is to become the invisible thread that seamlessly interconnects billions of devices: powering a smarter, more responsive world.

What Sets Us Apart

Joining Qualinx is about becoming part of a culture that’s as ambitious as it is authentic. We hold ourselves to high standards, thrive on solving the unexpected, and push boundaries together. But we also know how to enjoy the ride. Our culture is a unique blend of curiosity, team spirit, and a touch of unconventional charm. It’s fast-paced, fun, and grounded in a sober sense of purpose and perspective. Whether we’re deep in design reviews or sharing laughs over lunch, we’re building something meaningful together. At Qualinx, you’re not just contributing to a ground-breaking technology, you’re helping shape a team that’s redefining what it means to work in deep tech.

Role Overview

As a Senior System-Level Designer, you'll play a pivotal role in designing the digital baseband part of our cutting-edge GNSS/IoT chip. This role is for those who enjoy challenges and wish to contribute to the development of technology that powers GNSS L1/L5 receivers and BLE/Lora/NB-IoT transceivers.

As a Senior Communication System Engineer, you will help shape the future of our next-generation products. You will be responsible for the design and implementation of advanced communication systems, contributing to both innovation and performance optimization.

Key Responsibilities:

• Design and implement communication systems with a focus on bandwidth, latency, reliability, and power efficiency.

• Develop innovative algorithms and solutions to address challenging system-level problems.

• Analyze standard requirements (e.g., BLE, LTE) and benchmark competitor performance to guide strategic design decisions.

• Collaborate with cross-functional teams including hardware, software, and network engineers to ensure seamless system integration.

• Work closely with RTL implementation teams to support fixed-point modeling and ensure efficient FPGA/ASIC realization.

• Develop and execute test plans to validate system performance and reliability.

• Maintain comprehensive documentation for system designs, configurations, and troubleshooting procedures

Requirements

We’re looking for a result-driven engineer who thrives in a proactive, collaborative environment. The ideal candidate will have:

• Strong MATLAB programming and scripting skills.

• Deep knowledge of digital signal processing and physical layer components such as modulation/demodulation, filtering, channel estimation, equalization, and synchronization.

• Solid understanding of physical and MAC layers of at least one of the following standards:

  • Bluetooth: EDR, BLE

  • Cellular: 3G, NB-IoT, LTE, LTE-M

  • LoRa: LoRa, LoRaWAN

  • Broadcast/Space: DVB-T2, DVB-S2, CCSDS

  • GNSS: GPS, Galileo, BeiDou, GLONASS

  • IEEE: 802.11 family, 802.15 family

• Proven experience collaborating with RTL teams, including:

  • Fixed-point calculations

  • FPGA or ASIC implementation in communication systems

Nice to Have

• Experience with Simulink modeling and simulation.

• Familiarity with system-level trade-offs in low-power wireless communication design.

• A Master degree or higher in Electrical Engineering.

•  At least 5 years of experience in designing, implementing, and troubleshooting communication systems.

What's in it for you?

At Qualinx, we believe that great work starts with a great environment, pioneering technology and a fun dynamic market to address. Here’s what you can expect when you join our team:

• Ownership and Impact: We offer employee equity, giving you the opportunity to share in the success you help create.

• Well-being Matters: Your physical and mental health are important to us. We provide access to wellness resources, including company discounts and a free mental healthcare platform.

• Global Talent, Local Support: If you're relocating from abroad, we provide full support throughout the visa process to ensure a smooth transition.

• Future-Focused Benefits: We contribute to your pension savings to help you plan ahead with confidence.

• Inspiring Workspace: Work from a modern and vibrant, well-equipped office designed to help you do your best work.

• Scale-up Team Spirit: We celebrate our wins together with fun quarterly events—think great food, games, and unforgettable experiences.

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