Are you passionate about electronics and hardware design? Do you enjoy designing electronic boards, working hands-on in the laboratory, and turning complex technical requirements into practical solutions?

If so, this position is for you!

KD is a semiconductor company that provides innovative high-speed optical communication solutions for demanding environments. With more than 85 employees, we are expanding our activity in integrated circuit design and developing a unique semiconductor manufacturing facility in Spain.

As part of this growth, we are looking for a FAE Hardware Engineer to join our Automotive Business Unit. You will work closely with our R&D; and marketing teams, contributing to the design, testing, and demonstration of electronic hardware for our high-speed optical communication products.

? Tasks and responsibilities:

Hardware design and laboratory testing

- Design electronic boards, including schematics, component selection, simulations, and PCB layout.
- Develop demonstration and evaluation boards for the ASICs designed by KD.
- Define system specifications and test procedures to ensure that boards meet project requirements.
- Test and validate boards in the laboratory, using instruments such as oscilloscopes, multimeters, power supplies, and VNAs.
- Perform board bring-up, debugging, and small hardware reworks when necessary.
- Coordinate directly with PCB manufacturers and assemblers throughout the development process.

Pre-sales support

- Provide technical information about our automotive products and support customer projects globally, both remotely and on-site.
- Create schematics, block diagrams, and technical documentation to explain system architectures and proposed solutions.
- Conduct product demonstrations, evaluations, and tests at our facilities in Madrid.
- Participate in trade fairs and external training activities in coordination with the marketing team.




- Maintain and update our showroom products and marketing materials to ensure successful customer demonstrations.

Post-sales support

- Troubleshoot technical issues reported by customers via phone or email.
- Document customer issues and coordinate their resolution with the Field Applications, R&D;, and sales teams.

New product development support

- Propose new product ideas and improvements based on customer feedback and technical experience.
- Support testing and validation of newly developed products, maintaining close communication with R&D; and other departments.
- Maintain and update our technical knowledge base, documenting use cases, ECU designs, troubleshooting procedures, and project insights.
- Contribute to the preparation of technical training materials and product presentations.

?Requirements:

- Education: BSc or MSc in Electronics, Telecommunications Engineering, or an equivalent technical degree.
- Experience: At least 2 years of experience in electronic hardware design, including board development, testing, and debugging.
- Hardware Design: Experience with schematics, component selection, simulations, and PCB layout, using EDA tools. Knowledge of Altium and LTspice is a plus.
- Technical Knowledge: Familiarity with high-speed analog and digital design, EMI/EMC, PDN design, and communication protocols such as Ethernet, SPI, I²C, or SMI.
- Laboratory Skills: Experience with oscilloscopes, VNAs, multimeters, and power supplies, including board bring-up and basic hardware rework.
- Additional Knowledge: Experience with wired communications, Ethernet networking at PHY level,



or optical communications is highly valued.
- Languages: Good command of English is essential.

? Employment Conditions:

- Indefinite full-time contract.
- 24 working days holiday.
- Adaptable schedule, including reduced hours on Fridays and in the summer.
- Up to 10 hours of remote work per week.
- Modern and comfortable workplace located in Tres Cantos (Madrid).

?? What We Offer:

At KD, we believe in combining professional growth with personal well-being.

- Development and Growth: We provide continuous learning and training opportunities in a fast-growing start-up environment, with a clear focus on innovation and professional development.
- Financial Stability: Competitive salary to be negotiated based on each candidate’s experience and profile.
- Health and Well-being: Free medical insurance for employees and discounted coverage for family members.
- Language and Learning: Free English and Spanish classes to support your communication and growth.
- Work-Life Balance: A core part of our culture. We value flexibility and believe it is essential for maintaining motivation, well-being, and long-term professional growth.
- Company Culture: A dynamic, collaborative, and international work environment with flat hierarchies and open communication.
- Team Spirit: We are a friendly and motivated team passionate about technology and driven by ambitious, innovative projects. We value personal connections and regularly organize social events and networking activities.
- Perks and Extras: Enjoy the Ticket Restaurant program, engaging company social events, and a comprehensive training program to support your career growth.

Join us and become part of a talented, international team driven by innovation and teamwork.

At KD, your ideas matter, your growth is supported, and your work will make a real impact on the future of optical networking.

📌 FAE Hardware Engineer (España)
🏢 KD
📍 España