{"id":1584999,"url":"https://alion.io/job/littelfuse-system-engineer-electrical-electronic-circuit-protection","title":"System Engineer – Electrical & Electronic Circuit Protection","company":{"id":6289,"name":"Littelfuse","domain":"littelfuse.com","url":"https://alion.io/company/littelfuse","size_band":"5000+","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":76,"open_postings":30,"ghost_share":0,"stale_share":0.967,"repost_share":0,"time_to_fill_p50_days":34,"computed_at":"2026-10-15T05:46:00Z"}},"role":"Industrial Engineering","role_family":"Industrial Engineering","seniority":null,"employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Donostia / San Sebastián, Spain"],"countries":["ES"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":31000,"max_usd":72000,"period":"year","method":"role_country_seniority_unknown","sample_n":85},"experience_years_min":null,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[],"status":"live","first_seen_at":"2026-10-01T14:10:39Z","employer_posted_date":"2026-10-01","last_verified_at":"2026-10-15T21:13:47Z","board_verified":true,"closed_at":null,"days_open":14,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":14},"description":"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.\nWe’re looking for a System Engineer - Electrical & Electronic Circuit Protection to join our R&D Center in San Sebastian, Spain and play a key role in the development of next-generation industrial circuit protection products within our Industrial Circuit Protection (ICP) business.\nIn this role, you’ll work across electrical, electronic, mechanical and manufacturing disciplines - taking electrical sub-systems from concept and design through prototyping, validation and production.\nWhat you’ll do\nDesign and develop electrical sub-systems for industrial circuit breakers, fuse switch disconnectors and related protection devices, from concept through validation.\nPerform electrical calculations, simulations and component selection to meet performance, safety and regulatory requirements.\nApply system engineering principles to integrate electrical, electronic, mechanical and molding-process requirements into robust product designs.\nSupport prototyping, proof-of-concept activities and design verification testing.\nWork closely with the Technology Research Manager, Prototype Center and Lab Test Center to develop and validate new solutions.\nLead the technical aspects of new product development projects within your area of expertise.\nCollaborate with suppliers, customers, Quality, Sourcing and Manufacturing teams to select, qualify and launch components and sub-systems.\nSupport benchmarking of industrial breaker technologies and use market references to inform design decisions.\nSupport first-article inspections and manufacturing ramp-up, troubleshooting design-related issues during production launch.\nWork with molding engineering teams and suppliers to ensure tooling and component quality meet design requirements.\nMaintain technical documentation, calculations and test results throughout the development process.\nHelp build and maintain Littelfuse expertise in industrial breaker electrical sub-systems and molding processes.\nWhat you’ll bring\nBachelor’s degree in Electrical or Electronic Engineering; Mechanical Engineering with a strong background in electrical sub-system development will also be considered. Master’s degree is a plus.\nSolid, demonstrable experience in electrical sub-system design for industrial applications.\nExperience with industrial circuit breakers, fuse switch disconnectors or similar electrical protection products.\nKnowledge of electrical component selection, product standards and testing methods.\nExperience with product development cycles and Stage-Gate processes.\nSome understanding of molding processes and Design for Manufacturing would be highly valuable.\nExperience with electrical, mechanical or environmental test setups.\nAPQP knowledge is a plus.\nStrong technical and problem-solving skills, with good attention to detail and organization.\nExperience working in an international and cross-functional environment.\nExcellent written and spoken English and Spanish.\nLittelfuse strives to empower associate growth and development in a culture of ongoing collaboration and respect for diverse global perspectives and expertise.\nOur Core Values - We Care, We Succeed With Our Customers, We Own The Outcome - support us in our mission to improve the safety, reliability, and performance of our customers’ products that use electrical energy.\nWe are an equal-opportunity employer that takes pride in giving every associate the means and courage to make a difference - everywhere, every day.\nAt 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.","description_format":"text","description_chars":4653,"description_truncated":false,"requirements":{"experience_years_min":null,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[{"language":"English","level":"All levels","optional":false}]},"benefits":["Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Manufacturing"],"lifecycle":[{"event":"open","at":"2026-10-01T14:10:39Z"}],"visa":[],"liveness":{"score":47,"band":"ok","label":"Likely open","p_open":1,"p_active":0.527,"p_room":0.9,"age_days":13,"expected_fill_days":34,"reasons":["conf:15","stale_co","velocity","win:mid","comp:brand"],"computed_at":"2026-10-15T05:46:00Z"},"pay":null,"html_url":"https://alion.io/job/littelfuse-system-engineer-electrical-electronic-circuit-protection","json_url":"https://alion.io/job/littelfuse-system-engineer-electrical-electronic-circuit-protection.json","meta":{"generated_at":"2026-10-15T22:05:46Z","cache_seconds":300,"methodology":"https://alion.io/methodology","terms":"https://alion.io/terms","contact":"https://alion.io/contact","api":"https://alion.io/developers","about":"Alion is a live layer of people, companies and AI agents: who they are, whether they are real and active right now, what they do and how to work with them, readable by people and by agents and paid per call.","catalog":"https://alion.io/catalog.json","usage":{"tier":"crawler_verified","counted_by":"address","units_charged":1,"used_today":33641,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-16T00:00:00Z"}},"offers":[{"id":"company.slices","title":"One company in depth, by slice","status":"live","price":{"credits":0.02,"usd":0.002,"plus_per_slice":{"credits":0.05,"usd":0.005}},"unit":"per company, plus each slice with data","note":"the employer in depth","call":{"mcp_tool":"get_company","arguments":{"id":6289},"rest":"https://alion.io/mcp/rest/get_company?id=6289"},"human":"https://alion.io/catalog?offer=company.slices&for=job%2Flittelfuse-system-engineer-electrical-electronic-circuit-protection"},{"id":"market.stats","title":"A market slice: pay, demand and time to fill","status":"live","price":{"credits":1,"usd":0.1},"unit":"per slice","note":"pay, demand and time to fill for this role and place","call":{"mcp_tool":"market_stats"},"human":"https://alion.io/catalog?offer=market.stats&for=job%2Flittelfuse-system-engineer-electrical-electronic-circuit-protection"},{"id":"job.search","title":"Open jobs by role, technology, place, pay and visa","status":"live","price":{"credits":0.02,"usd":0.002},"unit":"per posting in a list","note":"similar open postings","call":{"mcp_tool":"search_jobs"},"human":"https://alion.io/catalog?offer=job.search&for=job%2Flittelfuse-system-engineer-electrical-electronic-circuit-protection"},{"id":"company.verify","title":"Is this company real and active right now","status":"pilot","price":null,"unit":"per company","request":{"url":"https://alion.io/catalog/request","method":"POST","body":"{\"offer\": \"company.verify\", \"for\": \"job/littelfuse-system-engineer-electrical-electronic-circuit-protection\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flittelfuse-system-engineer-electrical-electronic-circuit-protection"}]}