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MACOM Technology Solutions Holdings · Durham, NC

# Senior Semiconductor Test Engineer

Durham, NC Senior individual contributor Operations 

Listed on MACOM Technology Solutions Holdings’s official careers site. Listed as of October 18, 2026. Check that it is still open and apply there.
[Apply on MACOM Technology Solutions Holdings’s careers site →](https://macomtech.csod.com/ux/ats/careersite/4/home/requisition/3621?c=macomtech)

[OpenNash Jobs](https://jobs.opennash.com/) / [MACOM Technology Solutions Holdings](https://jobs.opennash.com/companies/macom-technology-solutions-holdings/) / Senior Semiconductor Test Engineer

## Job description

### Senior RF Characterization Engineer Job Description

Senior RF Characterization engineer responsible for test and characterization of GaN on Silicon/GaN on Silicon Carbide high power FET and MMIC devices including DC, RF, and Loadpull characterization.

### Specific Responsibilities

Perform RF load pull characterization of devices using Load Pull. This includes performing system calibration, test fixture development/assembly, and data collection of power sweeps and load pull contours. Perform S-parameter characterization of devices using a network analyzer. Perform all measurement required to complete device datasheets. This includes performance over power, voltage, and temperature. Develop automated test solutions on design lab benches to assist in performing day-to-day activities.

Assemble and tune broadband and narrowband test circuits to support both Design and Test Engineering. Analyze collected data using JMP and Excel, and assemble the data into presentable formats for different applications (datasheet plots, specification analysis, etc) Perform On-Wafer RF and DC characterization of devices as required using either an automated or manual probe station. Support Design Engineers in the development of production test plans Qualifications / Skills Strong background and hands on experience in RF/Microwave testing including load pull, S-parameters, noise, and power testing.

Experience with high power devices a plus. Requires hands on approach to solving problems including working in the lab to debug circuit designs, test issues, and perform custom RF testing. Experience in developing and deploying automated test solutions. Experience with Microsoft Studio Visual Basic a plus. Strong background using RF/Microwave test equipment, including load pull tuners, network analyzers, spectrum analyzers, signal generators, power meters, power supplies, couplers, filters, and amplifiers.

Strong background in test bench setup, troubleshooting, and maintenance to ensure data integrity. Ability to effectively teach and train technicians to perform measurements Experience in device/component soldering Basic experience using CAD/PCB layout tools and techniques Basic understanding of semiconductor physics Self-motivated, energetic, dependable, honest, and thorough. A versatile, self-starter with a positive attitude, eager to cooperate with others.

Strong verbal and written communication skills needed to communicate daily with multiple Company personnel to accomplish work with an exceptionally high level of commitment.

## At a glance
- Posted by the employer: Not stated
- First seen by OpenNash: Oct 11, 2026
- Last checked: Oct 18, 2026
- Listed for: 7 days
- Location: Durham, NC[Apply on MACOM Technology Solutions Holdings’s careers site →](https://macomtech.csod.com/ux/ats/careersite/4/home/requisition/3621?c=macomtech)

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