S

Product Test Engineer

Silicon Labs • Hsinchu, Taiwan

hybridfull-time
Posted Jun 23, 2026

**Role & seniority: ** Test Engineering role (mid-level); requires 5+ years ATE/test development experience.

**Stack/tools: **

  • ATE platforms: Teradyne UltraFlex, J750, or equivalent

  • Programming: C/C++, Python (also mentions C++ and Python); scripting/data analysis SQL/Python/R (plus)

  • Test/automation: embedded test firmware; automation frameworks; Git

  • Test hardware design: Altium (or equivalent) for PCB/load boards/probe cards

  • Data analysis: Silicon Labs SiliconDash (plus)

  • Top 3 responsibilities:

    1. Develop and deploy production test solutions for RF/analog/mixed-signal SoCs on in-house and commercial ATE.

    2. Create/align test plans with design teams for new IP blocks; ensure functional and reliability requirements are covered.

    3. Design and release test programs + test hardware (load boards/probe cards), optimize test time/yield/coverage, and support first silicon bring-up and volume ramp correlation across sites/packages.

  • Must-have skills:

    • Semiconductor test flow knowledge (wafer sort, final test, SLT)

    • Embedded test firmware development (C/C++) for production testing/characterization

    • Debugging test hardware/software

    • RF/analog/mixed-signal measurement familiarity

    • Test hardware design/PCB layout experience (e.g., Altium)

    • ATE familiarity (UltraFlex/J750 or equivalent)

    • Semiconductor test program development/optimization

  • **N

Full Description

Silicon Labs (NASDAQ: SLAB) is the leading innovator in low-power wireless connectivity, building embedded technology that connects devices and improves lives. Merging cutting-edge technology into the world’s most highly integrated SoCs, Silicon Labs provides device makers the solutions, support, and ecosystems needed to create advanced edge connectivity applications. Headquartered in Austin, Texas, Silicon Labs has operations in over 16 countries and is the trusted partner for innovative solutions in the smart home, industrial IoT, and smart cities markets. Learn more at www.silabs.com. Meet the Team The Test Engineering team at Silicon Labs is a key enabler of high-quality, high-yield product delivery. We design and develop test solutions for our wireless SoC and module products used in IoT applications across consumer, industrial, and commercial sectors. Our team partners closely with product, design, and manufacturing teams to develop automated test programs, characterize performance across process corners, and deploy scalable test solutions at our global OSAT partners. We work with industry-leading ATE platforms and measurement systems and play a critical role in bringing complex silicon to market with confidence. Responsibilities Develop and deploy production test solutions for RF/analog/mixed-signal SoCs on in-house and commercial ATE platforms Collaborate with design teams to prepare comprehensive test plans for new IP blocks, ensuing alignment with functional requirements and reliability expectations Design test hardware (load boards, probe cards) tailored for manufacturing environments, ensuring reliable performance and compatibility with high-volume production requirements Drive test program development, optimization, and release to production for NPI products Lead first silicon bring-up and characterization of new silicon with Design and Product Engineering Improve test time, yield, and coverage through data-driven root cause analysis Support volume ramp and test correlation across sites and packages Mentor junior engineers and drive process and methodology improvements Skills You Will Need Minimum Qualifications: BS/MS in Electrical Engineering or related field with 5+ years of ATE development experience Strong knowledge of semiconductor test flows (wafer sort, final test, SLT) Proficiency in writing embedded test firmware (e.g., in C/C++) for microcontroller products to support production testing and characterization Experience with ATE platforms with familiarity in systems such as Teradyne UltraFlex, J750, or equivalent Familiarity with RF, analog, and/or mixed-signal measurements Experience in designing test hardware circuits and PCB layout using tools such as Altium or equivalent software Proficient in programming languages such as C++ and Python Demonstrated ability to debug test hardware and software The following qualifications will be considered a plus: Experience in wireless SoCs (e.g., BLE, Zigbee, Wi-Fi, Matter) Understanding of Design-for-Test (DFT), boundary scan, and BIST Familiarity with test data analysis tools and scripting languages (SQL, Python, R, etc.) Experience using SiliconDash for manufacturing data analysis Experience with test automation frameworks and version control (e.g., Git) Understanding of semiconductor process flows and product architecture, with the ability to evaluate process variations and their implications on test and quality outcomes Benefits & Perks: Not only will you be joining a highly skilled and tight-knit team where every engineer makes a significant impact on the product; we also strive for good work/life balance and to make our environment welcoming and fun. Medical and dental insurance coverage including spouse and child(ren) Bi yearly health screening and flu vaccination #LI-Hybrid #LI-DK1 Silicon Labs is an equal opportunity employer and values the diversity of our employees. Employment decisions are made on the basis of qualifications and job-related criteria without regard to race, religion, color, national origin, gender, sexual orientation, age, marital status, veteran status, or disability status, or any other characteristic protected by applicable law. At Silicon Labs, we hire and empower great talent to achieve their full potential. By offering challenging projects, technical mentorship, and continuous learning opportunities, we ensure our employees thrive at every stage of their careers. Here, you’ll work alongside some of the industry’s brightest minds, tackling complex problems that deepen your expertise and expand your horizons. Whether you’re building new skills or shaping your career path, we’re dedicated to supporting your growth and celebrating your success every step of the way. Please note that our Company never asks for personal information unrelated to the job application process, such as bank or credit card data and never charges any fees to apply to any jobs. For more information please click here.

ATE DevelopmentSemiconductor Test FlowsEmbedded Test FirmwareC/C++PythonRF/Analog/Mixed-Signal MeasurementsPCB LayoutAltiumTeradyne UltraFlexTeradyne J750Wafer SortFinal TestSLTDesign-for-TestData AnalysisGitmulti-location

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