Sr Crystal Growth Engineer
About The Position
Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!
Requirements
- Bachelor’s, Master’s, or PhD in Materials Science, Physics, Chemistry, Chemical Engineering, or related field
- 7+ years of hands-on experience in single-crystal growth with significant oxide Czochralski experience
- Experience supporting or leading crystal growth equipment design, selection, or procurement
- Experience creating engineering drawings and detailed work instructions
- Strong understanding of CZ furnace subsystems and crystal growth fundamentals
- Experience with crystal characterization
- Strong analytical, documentation, and communication skills
Nice To Haves
- Experience growing oxide crystals
- Familiarity with RF induction heating systems
- Experience scaling from R&D to pilot or production environments
- CAD experience (SolidWorks preferred)
- Vendor management or capital equipment sourcing experience
Responsibilities
- Lead the crystal growth process development.
- Develop and optimize growth recipes including melt chemistry, thermal gradients, motion control, atmosphere control, and diameter control.
- Drive continuous improvement in crystal quality, yield, and reproducibility.
- Provide technical leadership in the design, specification, and procurement of new crystal growth equipment.
- Define raw material specifications (purity, morphology, trace impurities) and acceptance criteria.
- Create and maintain engineering drawings, layouts, and tooling designs for CZ furnaces, hot zones, and related hardware.
- Author, review, and maintain work instructions, SOPs, and process documentation.
- Define equipment requirements, performance specifications, and acceptance criteria.
- Collaborate with vendors on the design and customization of furnaces, power supplies, and hot zone components.
- Support installation, commissioning, and qualification of new crystal growth systems.
- Apply working knowledge of RF heating systems and alternative heating approaches appropriate for oxide CZ growth.
- Troubleshoot complex growth and equipment-related issues.
- Perform and interpret crystal characterization.
- Ensure compliance with safety, quality, and manufacturing requirements.
Benefits
- competitive compensation program
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What This Job Offers
Job Type
Full-time
Career Level
Senior
Education Level
Ph.D. or professional degree
