{"id":3056240,"url":"https://alion.io/job/vishay-intertechnology-silicon-carbide-sic-mosfet-characterization-engineer","title":"Silicon Carbide (SiC) MOSFET Characterization Engineer","company":{"id":1865564,"name":"Vishay Intertechnology","domain":"vishay.com","url":"https://alion.io/company/vishay","size_band":"1001-5000","is_staffing_agency":false,"employer_type":"direct","is_intermediary":false,"listed_via":null,"ats_vendor":"Workday","truth_index":{"grade":"B","score":80,"open_postings":153,"ghost_share":0,"stale_share":1,"repost_share":0,"time_to_fill_p50_days":17,"computed_at":"2026-10-26T05:57:25Z"}},"role":"Semiconductors","role_family":"Semiconductors","seniority":"senior","employment_type":"full_time","work_mode":"on_site","remote_scope":null,"remote_scope_basis":null,"remote_working_hours":null,"hiring_geo_confidence":"structured","locations":["Taipei, Taiwan"],"countries":["TW"],"hiring_countries":[],"hiring_countries_total":0,"salary":null,"salary_estimate":{"min_usd":23000,"max_usd":45000,"period":"year","method":"global_role_cell_scaled_by_country","sample_n":107},"experience_years_min":5,"visa_sponsorship":false,"relocation_package":false,"has_equity":false,"technologies":[{"name":"Avalanche","optional":false},{"name":"JMP","optional":true},{"name":"MATLAB","optional":true},{"name":"Python","optional":true}],"status":"live","first_seen_at":"2026-10-02T00:00:00Z","employer_posted_date":"2026-10-02","last_verified_at":"2026-10-25T13:15:35Z","board_verified":true,"closed_at":null,"days_open":24,"trust":{"level":"ok","repost_count":null,"flags":[],"days_open":24},"description":"How You'll Help Us Build the DNA of Tech :\nWe are seeking a Silicon Carbide (SiC) MOSFET Characterization Engineer to support the electrical characterization, performance evaluation, qualification, and production release of SiC power MOSFET products.\nThis position location is Taipei Taiwan\nResponsibilities:\nDevelop and execute comprehensive SiC MOSFET characterization plans from engineering samples through qualification and production release.\nPerform DC, A.C and thermal characterization including ruggedness characterization UIS/avalanche, SOA, short-circuit capability, Qrr, trr, and peak reverse-recovery current and other applicable stress conditions\nPerform dynamic switching characterization using double-pulse and application-relevant testing, including Eon/Eoff, switching times, dv/dt, di/dt, and ringing.\nEvaluate performance versus temperature, bus voltage, drain current, gate-drive voltage, external gate resistance, and switching conditions.\nInvestigate abnormal electrical behavior and correlate results with device, wafer process, assembly/package, and test variables.\nDevelop good-versus-bad characterization methods and identify electrical signatures suitable for production screening where applicable.\nSupport bench-to-ATE correlation, datasheet limit development, product specifications, guard bands, and production test limits.\nPrepare characterization reports and clearly communicate technical conclusions to cross-functional teams\nKnowledge and Experience You'll Need:\nBS or MS in Electrical Engineering, Electronic Engineering, Semiconductor Engineering, Physics, or a related discipline.\nTypically, 5+ years of experience in power semiconductor characterization, product engineering, device engineering, or applications engineering.\nDirect experience with SiC MOSFETs strongly preferred; experience with 650 V to 1700 V+ power devices is highly desirable.\nStrong laboratory, problem-solving, statistical-analysis, and technical communication skills.\nStrong understanding of SiC MOSFET device physics, switching behavior, gate oxide behavior, capacitances, body-diode recovery, avalanche, SOA, and temperature dependence.\nHands-on experience with high voltage products using power-device analyzers such as Keysight B1505A/B1506A/PID1500 or equivalent, curve tracers, double-pulse systems, oscilloscopes, high-voltage probes, current probes, and LCR/impedance analyzers.\nKnowledge of high-voltage measurement techniques, fixture creepage and clearance design, Kelvin connections, grounding, parasitic inductance, fixture design, and measurement correlation.\nExperience analyzing characterization data using Python, JMP, Spotfire, MATLAB, or equivalent tools.\nMust have good Test hardware skills in developing and debugging test boards and respective circuitry.\nPreferred experience: Automotive-grade SiC MOSFET development and AEC-Q101 qualification.\nPreferred experience: New product introduction from engineering characterization through qualification and high-volume manufacturing.\nPreferred Experience: Wafer-level and final-test correlation, production ATE screening, and manufacturing data analysis.\nPreferred Experience: SiC reliability testing including HTRB, HTGB, TDDB, threshold-voltage stability, and high-temperature operation.\nVishay offers a comprehensive suite of benefit programs and other resources designed to help you achieve your personal and professional goals. With us, you'll experience unique career paths, an open and collaborative culture, a stable business that will be there for you, and opportunities to work globally and locally. Do you have the skills we need? Are you ready to power your career as you power the world? 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