Aim high, go beyond!At Open Cosmos we are solving the world’s biggest challenges from space, providing businesses, governments and researchers access to more readily available information than ever before - ready for the challenge? Then read on…The Satcom team is responsible for the design, delivery and performance of Open Cosmos’ satellite communications services, spanning the space segment, ground infrastructure and general connectivity.The team are currently looking for an Embedded Systems Engineer, who’ll design and develop the real-time embedded software and firmware that powers critical hardware across both ground and space systems.What will you be doing?Key elements of the role will include:Develop embedded software and firmware for real-time control and telemetry systems

Design FPGA and firmware solutions using VHDL/Verilog for high-speed hardware control

Build and optimise embedded C/C++ applications within RTOS environments

Implement deterministic control loops and low-level hardware interfaces

Develop robust communication protocols across digital and RF subsystems

Design fault-tolerant and resilient system architectures for high-reliability environments

Support hardware-in-the-loop testing, integration, debugging, and verification activities

Optimise performance, power consumption, and memory usage in constrained embedded systems

Contribute to secure remote management and monitoring capabilities for deployed systems

Work closely with systems, hardware,



RF, and software teams to deliver integrated solutions

What You’ll bringStrong knowledge of embedded systems operating within real-time or constrained environments

Proficiency in embedded C/C++ and RTOS-based development

Strong capability in FPGA and firmware development using VHDL, Verilog, or similar HDL technologies

Solid understanding of low-level communication interfaces such as SPI, I²C, UART, CAN, or Ethernet

Capability in debugging and verification using tools such as JTAG, logic analysers, or HIL environments

Strong understanding of fault-tolerant and resilient embedded system design principles

Knowledge of high-speed interfaces and integration between FPGA, DSP, and RF systems

A methodical approach to problem-solving with strong attention to detail

Strong collaboration and communication skills across multidisciplinary engineering teams

Awareness of high-reliability engineering practices within aerospace, defence, or similarly demanding environments

This role will be based in any of our locations.To apply, you must have the legal right to work in your chosen location.When applying, please submit your CV in English.Why Open Cosmos?Work at the cutting edge of space technology with customers around the globe

A mission-driven company making space accessible to help solve real-world challenges

A diverse, ambitious, and supportive team

#J-18808-Ljbffr

📌 Realtime Embedded Systems Engineer — Space-grade FPGA/RTOS (Madrid)
🏢 EF
📍 Madrid