{"id":1107290,"url":"https://alion.io/job/littelfuse-functional-test-engineer-experience-in-debug","title":"Functional Test Engineer (Experience in Debug)","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":82,"open_postings":28,"ghost_share":0,"stale_share":0.714,"repost_share":0,"time_to_fill_p50_days":41,"computed_at":"2026-10-27T05:46:45Z"}},"role":"QA","role_family":"QA","seniority":"staff","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Piedras Negras, Mexico"],"countries":["MX"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":48000,"max_usd":110000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":214},"experience_years_min":10,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"C++","optional":false},{"name":"Git","optional":false},{"name":"Jira","optional":false},{"name":"Python","optional":false}],"status":"live","first_seen_at":"2026-05-12T00:00:00Z","employer_posted_date":"2026-05-12","last_verified_at":"2026-10-27T22:17:40Z","board_verified":true,"closed_at":null,"days_open":169,"trust":{"level":"stale","repost_count":0,"flags":["stale"],"days_open":168},"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.\nAs a Functional Test Engineer (Experience in Debug), you will play a critical role in ensuring our products meet all architectural specifications and functional requirements. You will be responsible for creating validation environments, executing complex system-level test plans, and performing deep root-cause analysis on failures across hardware and software domains. You will work closely with design, architecture, firmware, and software teams to isolate defects, validate fixes, and ensure high-quality products are delivered to market.\nAbout Your Job:\nExecutes functional validation plans and test suites at system and subsystem levels under a variety of operating conditions.\n\nActs as the first line of defense for system failures by isolating, reproducing, and debugging complex functional, performance, and power-related issues.\n\nPerforms deep-dive root cause analysis to determine whether failures originate from hardware, software, firmware, or test environment issues.\n\nDevelops and maintains automation scripts and tools (Python, LabView, etc.) to streamline test execution, data collection, and CI flows.\n\nCollaborates cross-functionally with Hardware/ASIC Design, Firmware, Architecture, and Software teams to communicate findings, propose workarounds, and verify fixes.\n\nDocuments debug methodologies, maintains detailed bug tracking records, and provides regular status updates to project stakeholders.\n\nExecute and triage complex system-level validation scenarios, including performance, power, and functional coverage.\n\nDrive ownership of failure analysis from symptom to resolution, identifying cross-domain interactions.\n\nBuild and optimize validation tools, scripts, and infrastructure to improve efficiency and repeatability.\n\nUtilize lab equipment (oscilloscopes, logic analyzers, protocol analyzers, JTAG, PLC, DAC cards) and software debuggers (GDB, logging, tracing tools) as required.\n\nPartner closely with engineering teams to accelerate issue resolution and ensure design robustness.\n\nMaintain clear, structured documentation of bugs, test coverage, and debug processes using Jira, Git, or similar systems.\n\nAbout You:\n10+ years of experience in system validation, functional testing, ASIC/SoC debug, or related engineering roles.\n\nStrong understanding of computer architecture, microprocessors, memory subsystems (DDR, PCIe), and communication protocols (I2C, SPI, UART, USB).\n\nProficiency in scripting and automation languages such as Python, LabView, or Ladder Logic.\n\nWorking knowledge of C/C++ for firmware or driver-level debugging.\n\nExperience with version control and bug tracking tools (Git, Jira, Bugzilla, or equivalent).\n\nExceptional analytical and problem-solving skills with a structured, investigative mindset.\n\nStrong communication skills, able to explain complex technical issues to both technical and non-technical audiences.\n\nResilient, detail-oriented, and persistent in highly iterative debug environments.\n\nBachelor’s or Master’s degree in Electrical Engineering, Computer Engineering, Computer Science, or a related field (or equivalent experience).\n\nHands-on experience with ASIC or SoC bring-up and post-silicon validation.\n\nExposure to CI pipelines and automated validation frameworks.\n\nExperience working in highly cross-functional, global engineering teams.\n\nStrong documentation skills and ability to create repeatable debug playbooks.\n\nLittelfuse is an equal opportunity employer committed to empowering every associate to make a difference - everywhere, every day.\n#LI-KRL\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":4745,"description_truncated":false,"requirements":{"experience_years_min":10,"management_years_min":null,"team_size_min":null,"manages_managers":false,"education":{"level":"bachelor","optional":false},"security_clearance":false,"languages":[]},"benefits":["Flexible schedule"],"hiring_locations":[],"hiring_excludes":[],"relocation_offered":false,"industries":["Sensors & Transducers","Passive Components & Connectors","Analog & Power Semiconductors"],"lifecycle":[{"event":"open","at":"2026-09-22T06:45:38Z"}],"visa":[],"liveness":{"score":11,"band":"cold","label":"Long shot","p_open":1,"p_active":0.387,"p_room":0.28,"age_days":168,"expected_fill_days":41,"reasons":["conf:2","stale_co","velocity","win:tail","crowd:brand"],"computed_at":"2026-10-27T05:46:45Z"},"pay":null,"html_url":"https://alion.io/job/littelfuse-functional-test-engineer-experience-in-debug","json_url":"https://alion.io/job/littelfuse-functional-test-engineer-experience-in-debug.json","meta":{"generated_at":"2026-10-28T03:06:30Z","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":4150,"day_limit":null,"remaining_today":null,"minute_limit":300,"resets_at":"2026-10-29T00:00:00Z"}},"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-functional-test-engineer-experience-in-debug"},{"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-functional-test-engineer-experience-in-debug"},{"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-functional-test-engineer-experience-in-debug"},{"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-functional-test-engineer-experience-in-debug\", \"note\": \"what you need it for\"}"},"human":"https://alion.io/catalog?offer=company.verify&for=job%2Flittelfuse-functional-test-engineer-experience-in-debug"}]}