Overview We´re expanding our team at Alén Space, and are looking for a DSP Engineer; with passion in what you do, talented and experienced. You will be part of a multidisciplinary team of software, FPGA, and digital signal processing engineers and will support the implementation of DSP (Digital Signal Processing) algorithms in programmable devices (FPGAs).

Responsibilities

Design digital communication systems using platforms including software defined radios (SDRs) and FPGAs.

Functional modeling of DSP algorithms and their implementation in RTL (Verilog/VHDL) or high‑level languages (C/C++).

Support the evolution of our custom space‑tailored radio platforms.

Technical Skills

Verilog / SystemVerilog

Yosys / Xilinx Vivado

Python

C/C++

Gnuradio

Existing Applications

DVB‑S2 transmitter in Verilog.

ADS‑B receiver in Verilog.

AIS receiver, hybrid between FPGA (VHF channelizer) and CPU (GNURadio/C++).

Proprietary M2M modem implemented in C.

Qualifications

Bachelor or Master’s degree in Telecommunications Engineering.

More than 3 years of experience in developing signal processing algorithms for communication systems in Python, C/C++ or Matlab using both floating point and fixed‑point design techniques.





Experience in migrating modeled algorithms to implementations in FPGAs or SDR frameworks.

Understanding of RF concepts such as AGC, noise figure, power amplifiers, phase noise, PLL, oscillators/mixers.

Valuable Knowledge

Expertise with Software‑Defined Radios (SDR) frameworks such as GNU Radio.

Experience with Xilinx Zynq or Xilinx Zynq UltraScale+ series FPGAs, Analog Devices AD9361, and other common RF chipsets.

Some experience with Python or other scripting languages.

Knowledge of coding theory and techniques: LDPC, Turbo codes.

Benefits

Work remotely a percentage of the time as defined with the manager.

Flexible start/finish times; reduced intensive working hours on Fridays and in summer Monday to Friday.

Competitive compensation with ongoing reviews, versátil compensation.

Wellbeing program: Health, dental, and accident insurance; free fruit and free lunch every Friday and much more.

Personalized career plan development, training, and language learning support.

Very committed to inclusion and diversity; we promote equal opportunities in recruitment.

📌 DSP Engineer (Digital Signal Processing) (Madrid)
🏢 Alén Space
📍 Madrid