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. 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. 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. 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.

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. Indefinite full-time contract. 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). 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

📌 FAE Hardware Engineer (Madrid)
🏢 KD
📍 Madrid