iPronics is seeking a highly skilled, hands-on and motivated

Senior Firmware Engineer with experience in optical modules and excellent knowledge of relevant hardware to join our rapidly growing team. In this role, you will work on the design and development of firmware for our optical amplification modules that form part of iPronics optical circuit switching solutions. You will collaborate closely with hardware and embedded system engineers to ensure our optical modules meet requirements for large-scale deployment in AI and datacenter applications.

You will have the opportunity to work in a fast-paced environment developing at the forefront of optical technology.

Responsibilities

Design and develop deploy and maintain embedded firmware

Implement control algorithms, state machines, peripheral control and host interaction features

Create firmware test processes and perform functional and robustness testing

Collaborate with optical, hardware and validation teams to improve firmware

Support hardware bring-up, system integration and root-cause analysis of complex issues

Develop and maintain firmware architecture, diagnostics and monitoring capabilities

Participate in design reviews and contribute to hardware/firmware co-design decisions

Implement development processes and practices to ensure code reusability and readability as well as product performance

Maintain accurate and up-to-date firmware documentation

Qualifications

5+ years of experience in embedded firmware development, particularly developing firmware for optical modules, transceivers, amplifiers,



telecom systems or datacenter networking products

Proficiency with hardware analysis tools such as oscilloscopes, dataloggers, protocal analyzers, JTAG debuggers.

Proficiency in C/C++ for embedded systems, Git version control and Python for test automation, debugging and data analysis

Proficient with both Windows and Linux OS

Experience with board bring-up, hardware validation and debugging using JTAG/SWD

Experience developing firmware using RTOS frameworks such as FreeRTOS or Zephyr

Excellent understanding of hardware/firmware integration and digital interfaces such as I2C, SPI, UART, ADCs, DMA, DACs, microcontrollers, current drivers and sensor interfaces.

Solid understanding of analog and digital circuit design and hardware fundamentals

Experience with control loops (e.g. PID controllers), optical signal monitoring, diagnostics, TEC control, interrupt-driven architectures and fault management

Strong problem-solving, communication and cross-functional collaboration skills

Hands-on experience with optical comms lab tools such as optical power meters, sampling oscilloscopes, spectrum analyzers and fiber components.

Good to have

Familiarity with optical module standards such as CMIS

Experience with optical networking, datacenter interconnects or telecom systems

Experience with high-speed communication interfaces

What we offer

Permanent full-time position

December 24th and 31st off

One extra day off during your birthday month

Private health insurance and life insurance

Adaptable compensation plan (restaurant tickets, transport, and childcare vouchers)

📌 Senior Firmware Engineer (Valencia)
🏢 iPronics
📍 Valencia