> Markdown version of [/jobs/ext/4455118-senior-software-test-engineer](https://www.wearedevelopers.com/jobs/ext/4455118-senior-software-test-engineer). Every page supports `.md` or `Accept: text/markdown`. Links point to the HTML versions so they work for humans too. Agent guide: [/agents.md](https://www.wearedevelopers.com/agents.md). --- # Senior Software Test Engineer - **Company:** Advantest Corp - **Location:** Lake Forest, CA, United States - **Experience:** Expert - **Salary:** $100,000.0 - $115,000.0 - **Contract:** Permanent contract - **Skills:** Testing (Software), Analog Electronics, Data Analysis, Automation of Tests, C Sharp (Programming Language), C++ (Programming Language), Computer Engineering, Software Debugging, Ethernet, Firmware, Python (Programming Language), PCI Express, Software Engineering, Software Requirements Analysis, Systems Integration, Test Data, Strategies of Testing, Universal Asynchronous Receiver/Transmitter, USB, Serial Peripheral Interface, Information Technology, Data Analytics - **Published:** October 31, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-software-test-engineer-lake-forest-ca--e8ea90b9-6053-4b97-9607-a1cc0dc7af13 ## About the Role Software Testing, Software Engineering, Instrumentation, Semiconductor Manufacturing, Computer Firmware, Testing, Automation, Test Program, Manufacturing, Data Analysis, * S. in Electrical Engineering, Computer Engineering, Computer Science, or related technical field. * 5+ years of experience in semiconductor test, validation, product engineering, or related fields. * Hands-on experience with SLT, Burn-In, ATE, semiconductor validation, or manufacturing test systems. * Experience developing automated test software using Python, C#, C++, or similar languages. * Strong understanding of digital and analog circuit fundamentals, schematics, instrumentation, and board-level debugging. * Experience with communication interfaces such as SPI, I2C, UART, USB, Ethernet, and PCIe. * Experience with statistical analysis, yield analysis, test correlation, and large test datasets. * Must be willing to work onsite in our Lake Forest, CA office., * Experience with semiconductor SLT, Burn-In, HPC, or ATE platforms. * Experience with automated characterization and high-volume manufacturing test. * Experience correlating device performance across multiple test platforms and environments. * Experience with test-data analytics, dashboards, and automated reporting. Additional Requirements * Willingness to work in an on-prem and on-site setup (No Hybrid) in Lake Forest, CA. * Ability and willingness to travel domestically and internationally, sometimes on short notice. * Strong written and verbal communication skills. ## Description Hands-on Senior Software Test Engineer responsible for test architecture, automation, device characterization, system integration, data analysis, and debugging across SLT, Burn-In, HPC, and semiconductor manufacturing test platforms. The role works directly across semiconductor testers, automated handlers, hardware, firmware, software, instrumentation, thermal systems, test programs, and manufacturing environments., * Design, develop, and maintain automated test solutions for semiconductor devices and SLT, Burn-In, HPC, and manufacturing platforms. * Develop test programs, automation, scripts, and tools using Python, C#, C++, or similar languages. * Define test methodologies, validation plans, acceptance criteria, and production test requirements. * Perform electrical, thermal, functional, and device characterization. * Correlate test results across ATE, SLT, Burn-In, validation, and manufacturing environments. * Develop automated data collection, analysis, reporting, and yield-monitoring solutions. * Analyze test data to identify yield excursions, device behavior, performance trends, and root causes. * Define test infrastructure, instrumentation, and system requirements for new products and platforms. * Debug hardware and system issues using oscilloscopes, logic analyzers, protocol analyzers, and other lab equipment. * Work closely with hardware, software, firmware, thermal, product, and manufacturing engineering teams. * Support new product introduction, manufacturing readiness, customer integration, and production ramp. * All other duties as assigned.