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Sr. Electrical/Electronic Engineer
Western Automation Research and Development Spain SL
Source: Headcount Labs · original listing ↗
Job data: Headcount Labs, ODbL 1.0. Job descriptions belong to their employers.
Posted Oct 19
About this role
Littelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. Headquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. With approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. Our global reach is matched by a culture that empowers innovation and long-term growth. Guided by our principles We Care, We Succeed With Our Customers, and We Own the Outcome, we work collaboratively, think boldly, and deliver solutions that move industries forward. We are looking for an experienced Senior Electronics Engineer to lead the design, development, testing, and support of advanced electronic systems from concept through to production. Based in Cádiz, Spain, you will be part of the R&D development team, working on electronic protection and safety products, with a strong focus on Residual Current Devices (RCDs), ground-fault detection devices, and related protective functions used in low-voltage electrical systems. This role offers the opportunity to contribute across the full product lifecycle—from concept and design through prototyping, validation, certification, and production support—while collaborating with multidisciplinary engineering teams. About the job: Electronics Design & Development * Design, develop, modify, and evaluate electronic systems and subsystems for protection and safety products * Define design approaches, architectures, and key parameters to meet performance and compliance requirements Circuit Design * Create detailed schematics, perform circuit analysis, and run simulations to validate designs * Apply strong expertise in both analog and mixed-signal circuit design PCB Development * Lead and/or oversee PCB design activities, including signal integrity, power distribution, and thermal considerations Component Selection * Evaluate and select electronic components based on performance, reliability, availability, and cost Testing & Validation * Plan and execute prototype testing, analyze results, troubleshoot issues, and iterate designs * Ensure designs meet performance, reliability, and safety standards Cross-functional Collaboration * Work closely with firmware, mechanical, and test engineers to ensure seamless system integration Documentation & Compliance * Develop and maintain technical documentation, including design specifications, test plans, and reports * Ensure compliance with applicable standards and certification requirements (IEC, CE, UL, etc.) About you: * Bachelor’s degree (or higher) in Electrical Engineering, Electronics Engineering, Telecommunications, or a related field * Minimum 7 years of experience in electronics design and development * Strong foundation in analog and digital electronics * Proficiency with schematic capture and PCB layout tools (Altium preferred) * Experience with mixed-signal design * Strong communication skills in English, with experience working in international environments Preferred Qualifications: * Experience with RCD technologies (Type A, Type B) * Exposure to Arc Fault Detection (AFD / AFDD) technologies * Experience in embedded hardware design and collaboration with firmware teams * Familiarity with simulation tools and analysis applications * Knowledge of Python or other scripting languages for testing or data analysis * Understanding of certification and compliance processes (CE marking, IEC, UL, etc.) * Experience in pure analog circuit design and testing LI-EW1 At Littelfuse, we support employee growth and development. Guided by our culture principles, our teams work together to deliver value for customers and make a positive impact in the communities where we operate. We are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. We offer competitive compensation and benefits, performance-based incentives, flexible work arrangements, and development opportunities. Our humble roots date back to 1927, where, in the back of a garage on Chicago’s northside, our founder, Edward Sundt, developed a small, fast-acting, protective fuse for use in sensitive test meters. Sundt wanted to call his new company producing these small fuses, “Little Fuse,” but wasn’t allowed to trademark two such common words. So, instead he went with the one-word, misspelled “Littelfuse.” For more than 95 years, Littelfuse has pioneered innovative products that help empower a sustainable, connected, and safer world. With the ever-evolving electrification and electronification of customer applications, our product technologies are closely linked to sustainable applications such as electric vehicles and EV charging infrastructure, renewable energy and energy storage, factory automation, power management and more. Throughout our history, our people have been the foundation of our success — and that remains true today. Now more than ever, our bright and talented people are a strategic advantage for the company. From the production line to the engineering lab, the office or distribution center, Littelfuse people are an important part of a diverse, talented team of the best and brightest in the industry. While Littelfuse has experienced tremendous growth in recent years, we still maintain a small-company, entrepreneurial approach where your efforts will drive our culture, our business, and the overall success of the organization. No matter where you work or what you do, your contributions will make a difference at Littelfuse — everywhere, every day. *Littelfuse is an Equal Opportunity/Affirmative Action employer. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, national origin, gender identity, sexual orientation, disability, protected veteran status, and/or any other protected class under federal, state, or local law.*