> Markdown version of [/jobs/ext/4720384-senior-semiconductor-test-engineer](https://www.wearedevelopers.com/jobs/ext/4720384-senior-semiconductor-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 Semiconductor Test Engineer - **Company:** MACOM Technology Solutions Holdings, Inc. - **Location:** Durham, NC, United States - **Experience:** Expert - **Contract:** Permanent contract - **Skills:** Artificial Intelligence, Data Analysis, Automation of Tests, C Sharp (Programming Language), Python (Programming Language), Network Administration, Operational Databases, Software Architecture, Software Engineering, Computer Network Operations, Yield Optimization, Software Version Control - **Published:** November 14, 2026 - **Apply:** https://www.careerbuilder.com/job-details/senior-semiconductor-test-engineer-durham-nc--d63c4c80-c062-42a9-baed-3cfa3cd876b4 ## About the Role * Bachelor's degree in Electrical Engineering or related field. * 5+ years of RF semiconductor test engineering experience. * Experience testing GaN RF devices at wafer level. * Strong understanding of RF measurement principles and calibration techniques. * Hands-on experience with S-parameters, power testing, IMD, noise figure, and DC parametric testing. Software & Programming Requirements: * Strong software development and test automation background. * Proficiency in C# and Python for instrument control, automation, and data analysis. * Knowledge of software architecture, source control, and structured development practices. Preferred Qualifications: * Experience with high-frequency RF and microwave applications. * Experience with automated wafer probe systems. * Knowledge of statistical analysis, DOE, and yield improvement methodologies. ## Description We are seeking a highly motivated Semiconductor Test Engineer to develop, maintain, and optimize wafer-level test solutions for advanced GaN RF semiconductor devices. The ideal candidate will have deep experience with RF characterization and production test methodologies, including S-parameter, power, intermodulation distortion (IMD), noise figure, and DC measurements. This role requires strong technical expertise in automated test systems, data analysis, and software development., * Develop and optimize automated wafer-level test solutions for GaN RF devices. * Perform S-parameter, power, IMD, noise figure, and DC measurements. * Develop automated test software and instrumentation control solutions. * Integrate VNAs, signal generators, spectrum analyzers, SMUs, power meters, and probe stations. * Analyze characterization and production data to improve yield and performance. * Collaborate with design, process, and product engineering teams. * Improve test throughput, repeatability, and measurement accuracy.