Asahi Kasei
  • Crystal IS
  • Green Island, NY, USA
  • Full Time

JOB TITLE: Crystal Growth R&D Engineer                                                               





Crystal IS Inc. is a leading manufacturer of UVC LEDs for optical sensing and disinfection of water, air and surfaces. Our proprietary technology in semiconductor substrates (Aluminum Nitride) is used to create unique and highly differentiated deep UVC LED products that power innovative distributed sensors, HAI reduction in Healthcare and address growing microbial threats in global water and air quality. To learn more, visit


We are looking to hire a Crystal Growth R&D Engineer responsible for the development of proprietary technologies in aluminum nitride (AlN) semiconductor substrates. In this role you will play a key role in the development of new or improved processes, methods and equipment to meet future quality, performance and cost targets. We are looking for a person with strong engineering fundamentals together with some understanding of semiconductor processes (crystal growth, substrate processing, characterization and/or semiconductor manufacturing). A successful candidate will have the ability to collaborate with multiple engineering disciplines at different geographical locations worldwide to successfully integrate new processes into the overall manufacturing process.




  1. Provide technical leadership in the development and manufacture of aluminum nitride semiconductor substrates. Stay up to date on aluminum nitride and semiconductor research.
  2. Translate future production and device requirements into process and materials requirements. Develop and plan technical programs in the area of AlN crystal growth to meet those requirements.
  3. Execute technical programs through crystal growth furnace operation, material and substrate characterization. Provide technical direction to resolve difficult problems utilizing test results, analytical data, sound statistical methodology and problem-solving tools.
  4. Work closely with operations, safety, quality, device fabrication, etc. on the impact and implementation. Provide key process and equipment parameters for the implementation of newly developed processes. Assist in troubleshooting equipment and system issues (support production engineers).
  5. Communicate progress and results to cross-sectional audience through presentations, work instructions and documentation.




  • Bachelor's Degree in Materials Science/Engineering, Applied Physics, Chemical Engineering, Electrical Engineering, or a related discipline or equivalent experience.
  • Strong engineering fundamentals with some experience in semiconductor processes (crystal growth, substrate processing, characterization and/or semiconductor manufacturing)
  • Demonstrated track record of successful project execution
  • Experience with statistical data analysis tools (JMP, Excel, etc.)
  • Self-starter, highly motivated, able to manage multiple projects with strong written and verbal communication skills.

Must be authorized to work in the US without sponsorship at this time or in the future

Asahi Kasei
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