Power Electronic Product/Test Engineer

Diamond Foundry Inc. is solving the thermal limitation at the foundation of today's most exciting tech industries -- AI & cloud compute, electric-car power electronics, and 5G/6G wireless. We have managed to produce the world's first single-crystal diamond wafers and are now on a mission to put a diamond behind every chip. We are the rare unicorn that has grown fast and profitably. We received $515m in funding and are executing a multi-$B expansion plan for one of the greenest forms of tech manufacturing: converting greenhouse gas into diamond wafers using zero-emission energy.

Diamond Foundry is seeking a Power Electronics Test Engineer to join our growing team. As a Power Electronic Test Engineer, you will be the technical owner for all high-voltage component and system-level testing, driving continuous improvement for both characterization and production. You will lead the design of test circuits, analyze data, and manage the development and maintenance of test programs and hardware. This role requires a hands-on approach and a problem-solving mindset, as well as excellent communication skills to collaborate with multiple teams and customers.

This position will work out of our San Jose location.

Responsibilities:
• Design and develop test circuits and software for bench characterization and automated test equipment (ATE).
• Create and execute designed experiments (DOE), analyze data, and generate comprehensive reports.
• Troubleshoot and solve engineering and production issues related to the device, test software, and hardware.
• Perform yield and failure analysis for both engineering (DOE) and production, as well as document characterization results, test programs, test releases, and processes.
• Document characterization result, test programs, test releases, and processes.

Qualifications:
• Education & Core Knowledge: BSEE/MSEE with 3+ years in test development, focusing on power electronics (MOSFETs, SiC, GaN), analog, and mixed-signal circuits.
• Software Proficiency: High proficiency in bench automation (NI TestStand, LabVIEW, Python, or C) and EDA tools for schematics and PCB layout (Altium or similar).
• Testing Systems: Hands-on experience with high-voltage test systems (Eagles, Chroma, IPTest, FTI) and familiarity with parametric testers like Keysight 1506 or Keithley.
• Data & Analysis: Strong skills in large data analysis, Pareto analysis, and Cpk test limit setup, with a comprehensive understanding of device/module datasheets; JMP experience is a plus.
• Industry Standards: Familiarity with automotive-certified device standards (VDA, IATF, AECQ) is highly preferred.

Diamond Foundry believes in supporting our employees from the workplace to their personal and home life. We provide eligible employees with an opportunity to enroll in a variety of benefit programs, generally including health insurance, flexible spending accounts, retirement savings plans, life and disability insurance programs, and a number of programs that provide for both paid and unpaid time away from work. Perks include employee discounts to VRAI. Our benefits begin as early as your first day of employment. Medical and vision coverage are retroactive to your start date, while dental and voluntary benefits take effect once you’ve completed your enrollment.

Diamond Foundry is an Equal Opportunity Employer and considers qualified applicants for employment without regard to race, color, creed, religion, national origin, sex, sexual orientation, gender identity and expression, age, disability, veteran status, or any other protected factor under federal, state or local law.

Diamond Foundry Inc. is committed to operating in full compliance with all applicable state and federal laws. Our commitment extends to ensuring that our manufacturing and engineering departments adhere to the highest standards of legal and regulatory compliance. Additionally, these departments may have specific physical requirements to ensure the safety and efficiency of our operations. We prioritize the well-being of our employees and strive to create a work environment that promotes both legal compliance and the optimal functioning of our manufacturing and engineering processes.

Manufacturing and Engineering Departments Physical Requirements:
-Use appropriate PPE and follow all safety policies, practices, and procedures.
-This position will often: Sit, stand for long periods, walk, grasp, reach with hands and arms, lift below and above shoulders, bend, twist at the waist, climb, balance, stoop, squat, kneel, crawl, talk, hear, see, use fine finger manipulation, and complete repetitive motions.
-Some tasks may require the use of ladders or stairs
-Some tasks may require driving or the use of foot controls
-Lift/carry and push/pull up to 50 pound

This employer participates in E-Verify and will provide the federal government with your Form I-9 information to confirm that you are authorized to work in the U.S.
If E-Verify cannot confirm that you are authorized to work, this employer is required to give you written instructions and an opportunity to contact Department of Homeland Security (DHS) or Social Security Administration (SSA) so you can begin to resolve the issue before the employer can take any action against you, including terminating your employment.
Employers can only use E-Verify once you have accepted a job offer and completed the Form I-9.