Reliability Engineer

Job Description

The primary focus is to plan, execute, analyze, and report results of reliability qualifications and R&D for the Cree Power & RF Business Unit. The scope of the position includes technology R&D, new product introduction, and continual improvement for SiC power MOSFETs, SiC power Schottky diodes, SiC power modules, and GaN HEMT-MMIC RF devices.


What can Wolfspeed do for you?

This position will give you the opportunity to:

  • Work on high visibility and cutting edge technologies
  • Collaborate with bright people
  • Take part of a growing business


What can you do for Wolfspeed?

  • Perform failure modes effect analysis (FMEA) in conjunction with internal and external stakeholders in order to devise reliability assessment plans that will characterize the potential relevant failure modes
  • Write reliability qualification plans and electrical test travelers/work instructions
  • Work with reliability test engineers to ensure that reliability tests are run, monitored, and completed successfully and accurately
  • Make sure that data from reliability tests is recorded, well documented, and organized. Compile data from various sources into spreadsheet and/or database format, with ability to query results of interest
  • Perform statistical analysis and modeling of reliability data including life distributions, accelerated life models, and intrinsic lifetime prediction
  • Perform and facilitate outsourcing of physical/failure analysis of devices from reliability and electrical test, R&D, and RMAs
  • Perform basic DC and RF electrical tests of SiC power Schottky diodes, SiC power MOSFETs, SiC power modules, and GaN HEMT-MMIC RF devices
  • Perform and/or coordinate failure analysis of reliability devices
  • Work with device and process engineers to help them to understand reliability results and drive any necessary improvements
  • Give presentations and/or write reports to communicate results internally and externally


What you need for success:

  • BS in electrical engineering, materials science, physics, or other related technical discipline
  • 3 years experience in reliability engineering and/or the semiconductor industry
  • High aptitude and interest in data manipulation and analysis using spreadsheet, database and/or statistical software (Excel, Access, JMP)
  • Proficiency with basic electrical test equipment such as power supplies and current/voltage meters
  • Working knowledge of basic electrical properties of Schottky diodes and MOSFETs
  • Working knowledge of semiconductor process technology
  • Familiarity with working with high voltage electrical equipment, including basic safety procedures
  • High attention to detail and accuracy of results, including tracking, documentation and reporting
  • Excellent written and verbal communication skills
  • Strong organizational skills
  • Strong interpersonal and professional relationship skills to enable working with a large number of diverse people across a variety of internal organizations including R&D, NTI, NPI, Sustaining Engineering, Production, Operations, Reliability, and Failure Analysis
  • High flexibility and ability to multi-task to respond quickly to urgent requests and quickly changing directions, as part of a dynamic, highly flexible, fast paced team
  • US citizen or green card holder


Highly preferred skills and certifications:

  • MS or higher in electrical engineering, materials science, physics, or other related technical discipline
  • 5 years experience in reliability engineering and/or the semiconductor industry
  • Experience in reliability test techniques such as HTOL, ALT, HTRB, TC, HAST, AC, THB/H3TRB, IOL, and ESD-HBM/MM/CDM
  • Experience with RF and/or power devices (600V and above); SiC and GaN devices is highly preferred
  • Proficiency with more advanced electrical test equipment such as SMUs, RF sources and meters, curve tracers, high current/voltage power supplies; experience with RF reliability testing is highly preferred
  • Proficiency with computer control of automated test equipment (such as Labview or Visual Basic)
  • Experience with physical/failure analysis techniques such as optical microscopy, mechanical cross section and polishing, scanning electron microscopy (SEM), focused ion beam (FIB), energy dispersive x-ray (EDX), and thermal imaging


Company Overview

At Cree, we’re always on. We believe that meaningful change happens through sheer force of will and the determination of a team solving a problem, and we’re unafraid to kick down the door to make it happen. That’s how we inspired the LED revolution and continue to create brilliantly affordable, radically simple, uncompromisingly efficient solutions that transform the way we experience light. From inventing America’s best-selling light bulb to commercializing the brightest lighting-class LEDs, our vision isn’t just to cultivate a thriving business – it’s to better the world. And we don’t take no for an answer. Be part of what’s next. Join our growing multi-billion dollar start-up, named a 2014 MIT Technology Review “50 Smartest Company,” to revolutionize energy efficiency and transform the way we experience light. 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.





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