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# Sr. Firmware Engineer

- **Company:** Talent Clue
- **Location:** Madrid, Spain (Remote available)
- **Contract:** Permanent contract
- **Skills:** Unix, Computer Programming, System Configuration, Linux, Microprocessors, Digital Technology, Embedded Operating Systems, Ethernet, Firmware, Machine Learning, Open Source Technology, Real-Time Operating Systems, Powerpc, Shell Script, VxWorks, Pikeos, Build Tools, DO-178B, U-Boot
- **Published:** September 19, 2026
- **Apply:** https://www.buscojobs.com.es/sr-firmware-engineer-en-madrid-ID-370410335

## About the Role

Electronic, software, or telecommunication engineering degree.
5+ years of experience in firmware development.
Able to communicate in English fluently.
The team communicates mainly in English.
Experience in programming low-level C applications.
Knowledge of analog and digital systems based on microprocessors.
Expertise in communication bus protocols (I2C, PCI, CAN, MIL-STD-****, Ethernet).
Understanding of computer architecture across various platforms (arm64, PowerPC, Intel, etc.).
UNIX environment and tools proficiency, including "shell scripting" and general build systems.
It will be an added value if you have:
Involvement in open-source projects.
Experience with U-Boot
Knowledge of embedded operating systems, with a focus on Linux.
Bonus for experience with VxWorks and PikeOS; familiarity with other systems is advantageous.
Knowledge of systems based on embedded RTOS.
Experience with aviation projects and DO178C.
Knowledge about Electronic Hardware Design.
Possession of a disability certificate equal to or greater than 33% will be valued but is not mandatory, in compliance with the General Law on the Rights of Persons with Disabilities and their Social Inclusion.
What skills do we value?
You have a proactive attitude and demonstrate autonomy.
Good analytical and problem-solving skills are key to excelling as an engineer.
These define you.
You are keen on researching state-of-the-art solutions and are able to apply your critical thinking to identify what can be adopted for our needs.
You have natural organizational skills.
You have the ability and eagerness to learn.
You understand that to go far you go together, you are team-oriented and humble.
No matter if a correction comes from a junior or a senior colleague you are always open-minded to accept that you will eventually be wrong.
You take pride in your work and you know that your team is your first customer, you value quality and attention to detail.
Engineering is not about perfect solutions; it is about doing the best you can with limited resources.
Thus, you always find the best balance between optimization and on-time delivery.
Zero excuses.
You take full responsibility for your acts and decisions, being accountable for your assigned tasks.
Excellent written and verbal communication skills.

## Description

Clue keeps on growing!We are now hiring a Senior Firmware Engineer!About Clue At Clue, we research, design, and manufacture new computing technologies to enable innovative intelligent systems.Our motto is to create simple solutions to big problems.Clue focuses on next-generation avionics, offering a series of general-purpose computers for aerospace systems based on modular and flexible architecture.We also develop machine-learning applications especially built to run in our airborne hardware.And the development of System on Chips (SoC) and ASICs for safety-critical applications is part of our roadmap as well.Clue is not only a company where you will fulfill your innovation appetite but it is also a company with a unique work environment.It is not common to find many companies with a fresh mentality like Clue has, where continuous improvement is part of our DNA.Furthermore, employee satisfaction is the cornerstone of our talent retention strategy.Training programs, personalized strategies to always maintain a high level of motivation among our employees, schedule and work location flexibility, charming work sites, healthy and delicious meal service, team building activities, BBQ gatherings... you name it!Our employees are our biggest asset and we have the strong conviction that their satisfaction is paramount for the productivity within our company.Thus, at Clue we are more than happy to invest in the well-being of our employees.What is the job about?TheSr.Firmware Engineerwill develop the firmware software for different architectures designed and manufactured by Clue.What will you do?Working with multi-disciplinary teams for the integration of firmware in embedded systems.Configuring the hardware for boot-up.Developing boot-loaders for different platforms.Developing system runtime environment (kernel, user-space libraries, etc.)Developing drivers for Clue's hardware and third-party devices on RTOS.Working in a high-profile quality assurance environment.Setting up testing environments and developing tests.Working with DO-178C methodologies, with high standard-oriented objectives.Documenting designs and manuals, requirement-proven code.What profile are we looking for?Electronic, software, or telecommunication engineering degree.5+ years of experience in firmware development.Able to communicate in English fluently.The team communicates mainly in English.Experience in programming low-level C applications.Knowledge of analog and digital systems based on microprocessors.Expertise in communication bus protocols (I2C, PCI, CAN, MIL-STD-****, Ethernet).Understanding of computer architecture across various platforms (arm64, PowerPC, Intel, etc.).UNIX environment and tools proficiency, including "shell scripting" and general build systems.It will be an added value if you have:Involvement in open-source projects.Experience with U-BootKnowledge of embedded operating systems, with a focus on Linux.Bonus for experience with VxWorks and PikeOS; familiarity with other systems is advantageous.Knowledge of systems based on embedded RTOS.Experience with aviation projects and DO178C.Knowledge about Electronic Hardware Design.Possession of a disability certificate equal to or greater than 33% will be valued but is not mandatory, in compliance with the General Law on the Rights of Persons with Disabilities and their Social Inclusion.What skills do we value?You have a proactive attitude and demonstrate autonomy.Good analytical and problem-solving skills are key to excelling as an engineer.These define you.You are keen on researching state-of-the-art solutions and are able to apply your critical thinking to identify what can be adopted for our needs.You have natural organizational skills.You have the ability and eagerness to learn.You understand that to go far you go together, you are team-oriented and humble.No matter if a correction comes from a junior or a senior colleague you are always open-minded to accept that you will eventually be wrong.You take pride in your work and you know that your team is your first customer, you value quality and attention to detail.Engineering is not about perfect solutions; it is about doing the best you can with limited resources.Thus, you always find the best balance between optimization and on-time delivery.Zero excuses.You take full responsibility for your acts and decisions, being accountable for your assigned tasks.Excellent written and verbal communication skills.What do we offer?Hybrid work and flexibility to work from homeFull-time, permanent contractPrivate medical insurance25 + 2 flexible vacation daysSchedule flexibilityFree Friday afternoonsPermanent internal and external trainingFree coffee and snacksHealthy lunch served daily for the staff at the officeWork with the cutting-edge technologiesWhich are the steps of the process?Talent InterviewTechnical Screening TestTechnical InterviewManagement InterviewClue is committed to the diversity of its teams and an inclusive work environment.We encourage applications from people with different backgrounds, interests, and personal circumstances.Our team welcomes applicants regardless of their race, gender, age, religion, nationality, sexual orientation, and/or disabilities.All we need is your high energy, skills, and willingness to be part of a great project!#J-*****-Ljbffr


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