Test Engineer – Semiconductor Test Tool Development

US01 Wolfspeed, Inc.; Durham (NC); On-site; USD 85,000 - 110,000; Full time

Job summary

Wolfspeed, Inc. in Durham, NC seeks an hands-on Test Engineer to design, build, and validate high-voltage test circuits and tools for MOSFET/diode testing up to 10kV DC.

You will prototype, integrate power and measurement hardware, and develop scripts for data collection and automation. Responsibilities include collaborating with engineering and software teams, defining test parameters, and ensuring safety controls are incorporated.

Qualifications

• Practical experience with electronic circuit design, hardware integration, and bench troubleshooting.
• Familiarity with MOSFETs, diodes, and semiconductor testing.
• Comfortable using oscilloscopes, multimeters, power supplies, and other laboratory instruments.
• Basic programming or scripting skills and working knowledge of SQL.
• Strong problem-solving skills and a practical approach to developing and improving test equipment.
• Self-motivated, with the initiative to identify next steps and follow tasks through to completion.
• Able to work independently with limited guidance and recognize when additional support is needed.
• Adaptable and organized, with the ability to manage multiple priorities.
• Able to communicate clearly and collaborate effectively across engineering, software, purchasing, and laboratory teams.
• Comfortable working on energized systems when necessary to isolate faults and confirm proper circuit functionality.
• Bachelor’s degree or higher in E.E or other majors

Responsibilities

• Design and develop test circuits, fixtures, and systems for MOSFET and diode testing supporting voltages up to 10kV DC.
• Perform hands-on prototyping, assembly, debugging, and validation of test tools.
• Integrate power supplies, measurement instruments, control hardware, and software into complete test systems.
• Write and modify basic code or scripts to support equipment control, test automation, and data collection.
• Use SQL to query and organize test data and support laboratory data applications.
• Work with stakeholders to define test requirements, operating parameters, project scope, and acceptance criteria.
• Manage multiple projects and competing priorities while maintaining progress toward deadlines.
• Troubleshoot hardware and software issues and support existing laboratory equipment.
• Document designs, wiring diagrams, test procedures, and troubleshooting guidance.
• Incorporate appropriate safety controls into test tool designs and validate their operation.

Skills

Circuit design

Hardware integration

Bench troubleshooting

MOSFET testing

Diode testing

Lab instruments

SQL basics

Scripting basics

Problem solving

Independent work

Team communication

Safety awareness

Education

E.E. degree

Tools

Oscilloscopes

Multimeters

Power supplies

Laboratory instruments

Job description

Key Responsibilities

• Design and develop test circuits, fixtures, and systems for MOSFET and diode testing supporting voltages up to 10kV DC.
• Perform hands-on prototyping, assembly, debugging, and validation of test tools.
• Integrate power supplies, measurement instruments, control hardware, and software into complete test systems.
• Write and modify basic code or scripts to support equipment control, test automation, and data collection.
• Use SQL to query and organize test data and support laboratory data applications.
• Work with stakeholders to define test requirements, operating parameters, project scope, and acceptance criteria.
• Manage multiple projects and competing priorities while maintaining progress toward deadlines.
• Troubleshoot hardware and software issues and support existing laboratory equipment.
• Document designs, wiring diagrams, test procedures, and troubleshooting guidance.
• Incorporate appropriate safety controls into test tool designs and validate their operation.

Desired Skills and Qualifications

• Practical experience with electronic circuit design, hardware integration, and bench troubleshooting.
• Familiarity with MOSFETs, diodes, and semiconductor testing.
• Comfortable using oscilloscopes, multimeters, power supplies, and other laboratory instruments.
• Basic programming or scripting skills and working knowledge of SQL.
• Strong problem-solving skills and a practical approach to developing and improving test equipment.
• Self-motivated, with the initiative to identify next steps and follow tasks through to completion.
• Able to work independently with limited guidance and recognize when additional support is needed.
• Adaptable and organized, with the ability to manage multiple priorities.
• Able to communicate clearly and collaborate effectively across engineering, software, purchasing, and laboratory teams.
• Comfortable working on energized systems when necessary to isolate faults and confirm proper circuit functionality.
• Bachelor’s degree or higher in E.E or other majors

We are an equal opportunity employer and all qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, national origin, disability status, protected veteran status, or any other characteristic protected by law.

Wolfspeed is a powerhouse semiconductor company focused on silicon carbide and GaN technologies. After more than thirty years of forging new technology adoption and transformation, our Wolfspeed® power and radio frequency (RF) semiconductors are leading the industry through unrivaled expertise and capacity.