Senior Semiconductor Test Engineer

MACOM (NASDAQ: MTSI) is a global leader in the design and manufacture of advanced semiconductor products across a diverse range of end markets, including Data Centers, Telecommunications, Industrial and Aerospace and Defense. We develop innovative, cutting-edge technologies and products across the spectrum of radio frequency (RF), microwave, millimeter wave, photonics and high-speed analog technologies. Our solutions support critical network infrastructure applications like artificial intelligence, high performance computing, satellite communications, radar, unmanned aerial vehicles, medical equipment, test and measurement and advanced wireless networks.

MACOM has more than 75 years of expertise in semiconductor process development, wafer fabrication, circuit design, advanced packaging, systems architecture and applications engineering. We are committed to our customers’ success. We partner with customers to help solve their most challenging problems by providing semiconductor solutions that are at the forefront of the highest power, highest frequency and/or highest data rates.

Leading technologies, innovative products and driven employees. Come be a part of MACOM and help advance the next generation of connectivity infrastructure!

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.

• 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.

• 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.

• Experience with high-frequency RF and microwave applications.
• Experience with automated wafer probe systems.
• Knowledge of statistical analysis, DOE, and yield improvement methodologies.

MACOM is an Equal Opportunity Employer committed to a diverse workforce. MACOM will not discriminate against any worker or job applicant on the basis of race, color, religion, sex, gender identity, sexual orientation, national origin, age, disability, genetic information, veteran status, military service, marital status, or any other category protected under applicable law.

MACOM is committed to working with and providing reasonable accommodations to qualified individuals with physical and mental disabilities. If you have a disability and are in need of a reasonable accommodation with respect to any part of the application process, please call  or email  Provide your name, phone number and the position title and location in which you are interested, and nature of accommodation needed, and we will get back to you.

We also work with current employees who request or need reasonable accommodation in order to perform the essential functions of their jobs.

Due to ITAR regulations, only candidates who are U.S. Persons (U.S. citizens, U.S. nationals, lawful permanent residents, or individuals granted asylum or refugee status) will be considered for this position.

This position is eligible to receive restricted stock unit (RSU) awards and cash bonuses, solely at MACOM’s discretion, subject to individual and company performance.

This position offers a comprehensive benefits package including but not limited to:

• Health, dental, and vision insurance.
• Employer-sponsored 401(k) plan.
• Paid time off.
• Professional development opportunities.