ppLittelfuse (NASDAQ: LFUS) is a diversified industrial technology manufacturing company shaping solutions for the safe and efficient transfer of electrical energy. /ppHeadquartered in Chicago, Illinois, USA, we serve customers across industrial, transportation, and electronics markets worldwide. /ppWith approximately 16,000 employees we design and manufacture innovative technologies that support electrification, energy efficiency, and advanced automation. /ppOur integral reach is matched by a culture that empowers innovation and long‑term growth. /ppGuided 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. /ppLittelfuse is seeking an experienced Senior Electrical Engineer to join our Solid‑State Protection Systems team in SanSebastien, Spain. /ppIn this role, you will contribute to the development of next‑generation protection and control products for AC and DC electrical systems. /ppYou will work across multiple disciplines to design, validate, and launch innovative solutions that combine power electronics, embedded control, and system‑level protection technologies. /ph3About the job: /h3ulliDesign and develop electrical circuits and subsystems for solid‑state protection and control products. /liliPerform schematic capture, simulation, component selection, stress analysis, and PCB design reviews. /liliCollaborate with firmware engineers to define and implement system requirements. /liliSupport laboratory evaluation, troubleshooting, and validation testing of AC and DC protection systems. /liliParticipate in product qualification, reliability testing, and compliance activities. /liliWork closely with manufacturing and supplier partners to ensure product performance, quality, and cost objectives are achieved. /liliContribute to technical discussions, design reviews, and project planning activities. /liliSupport occasional travel to manufacturing sites,



suppliers, or customer locations. /li /ulh3About you: /h3ulliBS or MS degree in Electrical Engineering. /lili10+ years of experience in electrical product development. /liliStrong background in analog, digital, and mixed‑signal circuit design. /liliExperience working with microcontrollers, embedded systems, or programmable logic devices. /liliUnderstanding of power electronics, protection systems, and current sensing technologies. /liliExperience with schematic design, circuit simulation, and PCB layout. /liliFamiliarity with EMC, safety, and product compliance requirements. /liliStrong problem‑solving, communication, and collaboration skills. /liliAbility to work independently and drive technical decisions within project teams. /liliNice to have Experience with industrial, energy, automotive, or power distribution applications. /liliExposure to system‑level architecture and requirements management. /liliKnowledge of smart protection, control, or monitoring solutions. /li /ulp#LI-RK At Littelfuse, we support employee growth and development. /ppGuided by our culture principles, our teams work together to deliver value for customers and make a positive effect in the communities where we operate. /ppWe are an equal opportunity employer committed to fostering an inclusive workplace where everyone has the opportunity to grow and contribute. /ppWe offer competitive compensation and benefits, performance‑based incentives, flexible work arrangements, and development opportunities. /ppOur 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. /ppSundt wanted to call his new company producing these small fuses, “Little Fuse,” but wasn’t allowed to trademark two such common words. /ppSo, instead he went with the one‑word, misspelled “Littelfuse.” /ppFor more than 95 years, Littelfuse has pioneered innovative products that help empower a sustainable, connected, and safer world. /ppWith 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. /ppThroughout our history, our people are the foundation of our success — and that remains true today. /ppNow more than ever, our bright and talented people are a strategic advantage for the company. /ppFrom 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. /ppWhile 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. /ppNo matter where you work or what you do, your contributions will make a difference at Littelfuse — everywhere, every day. /ppLittelfuse is an Equal Opportunity/Affirmative Action employer. /ppAll 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. /p /p #J-18808-Ljbffr

📌 Senior Electrical Engineer (San Sebastián)
🏢 Littelfuse
📍 San Sebastián