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Cree | Wolfspeed

Cree | Wolfspeed’s Global Operations Team is seeking a Power Device Test Engineer. This person will be part of a team responsible for all aspects of Power (Schottky diode and MOSFET) wafer level/device tests – developing, sustaining, and improving. The successful candidate will be a resourceful, hands-on, problem-solver with the capacity to quickly grasp and resolve a wide range of technical challenges.

This position is not eligible for visa sponsorship by the company.

 

What can you do for Cree | Wolfspeed?

– Develop, sustain and improve processes for electrical testing of wafers and devices for Cree | Wolfspeed’s Power and RF Division
– Generate and maintain complete process documentation, procedures and capacity models for High Voltage (HV) on-wafer Power testing
– Utilize SPC methods to monitor integrity of the HV on-wafer test systems
– Ensure the accuracy and completeness of data that is uploaded to the master data base for archival and data mining
– Maintain calibrated test stations and probe cards (including backups) to minimize tool down time
– Diagnosis problems and implement corrective actions on HV on-wafer test systems
– Oversee training and certification of production personnel on HV on-wafer test systems
– Design and execute electrical/mechanical experiments to improve measurement and process yields
– Develop SW to maximize testing throughput while maintaining product integrity to specifications
– Apply knowledge of object oriented design and good coding practices to develop and validate robust production test software
– Collaborate with other SW engineers to develop and maintain a robust process for SW verification and control
– Generate equipment requirements for capital purchase in line with the new product roadmap and bring those tools on-line within the project schedule
– Work with product development on test strategies that minimize wafer probe requirements while maintaining product integrity to specifications
What you need for success:

– BS in Electrical Engineering, Computer Engineering or an equivalent discipline
– 4+ years of experience in electrical testing, Power Electronics preferred
– 4+ years of experience with VB6, VB.NET or C#.NET
– Hands-on experience with operation and/or programming of on-wafer test equipment (such as Semiconductor Analyzers, Signal Generators, Power Supplies, DMMs, Oscilloscopes and Curve Tracers)
– Ability to read and understand circuit schematics
– Proficient with MS Excel and MS Access databases
– Basic Knowledge of SPC and experimental Design
– High energy, self-motivated attitude with strong communication skills and an ability to interface effectively with different backgrounds, at every level of the organization
– Strong attention to detail while effectively managing time.

Highly preferred skills and certifications:

– Experience in power electronics testingExperience with SQL Queries
– Extensive data analysis and programming skills (Access, JMP, .Net, VB, or C#)
– Extensive experience with SPC and experimental design
– 3+ years of experience in semiconductor wafer level test and manufacturing
– Experience with compound semiconductor FET technologies
– In-depth technical knowledge of semiconductor wafer probing equipment
– Extensive MOSFET and/or diode device level testing experience
This role may require additional duties and/or assignments as designated by management.