Sr Sapphire Crystal Growth Process Engineer jobs in United States
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Coherent Corp. · 1 month ago

Sr Sapphire Crystal Growth Process Engineer

Coherent Corp. is a global leader in lasers, engineered materials, and networking components. They are seeking a highly skilled Sr Sapphire Crystal Growth Process Engineer to operate sapphire crystal growth equipment and drive advancements in process and product development, focusing on cost reduction, cycle-time optimization, and developing new processes to meet customer requirements.

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Responsibilities

Identifies and monitors critical crystal growth process parameters, addresses factors that impact process control, yield, and throughput
Creates/maintains crystal growth procedures, SPC charts and related paperwork
Investigates data to establish correlations & trends, improvements, and root cause failure analysis for existing processes
Utilizes fundamental understanding of materials science and crystal growth to develop new growth processes to meet internal and external customer requirements
Leads the implementation of processes/technology from R&D to manufacturing
Supports manufacturing operations in capacity expansion and supplier qualification while maintaining quality and meeting product specifications
Generates scientific and technical ideas, contributes to the Intellectual Property Portfolio of Coherent by writing disclosures and patents. Participates to scientific meetings

Qualification

Sapphire crystal growthMaterials scienceHigh temperature furnacesSPCDoECAD (SolidWorks)TroubleshootingEthicsProfessionalismTeam collaborationTechnical reporting

Required

Bachelors in Materials Science, Engineering, Physics, or Chemistry
Minimum 5 years of melt crystal growth experience, preferably with sapphire, YAG, spinel or other high-melting materials
Hands-on experience in the operation of high temperature furnaces, power supplies, vacuum systems, and infrastructure equipment
Good command of crystal growth principles, materials science, and their application to crystal growth technology in industrial environment
Working knowledge of crystal growth equipment troubleshooting
Experience with SPC and DoE, maintaining records, preparing reports and technical summaries, internal and external presentations
Proficiency in CAD, preferably SolidWorks
Demonstrated ability to achieve results independently or working as part of a team, working with employees in a multi-cultural, global team environment
Sets a high standard of ethics, professionalism, leadership, and competency

Preferred

Master's or Ph.D. degree in related technical field is a strong plus
Experience with additional crystal growth methods or materials (e.g., Ge, Silicon, CaF2, KNS) is highly desirable

Benefits

Competitive compensation program
Comprehensive career development platform
Opportunities for career advancement and professional development

Company

Coherent Corp.

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Coherent empowers market innovators to define the future through breakthrough technologies, from materials to systems.

Funding

Current Stage
Public Company
Total Funding
$3.44B
Key Investors
JP Morgan Chase
2025-09-26Post Ipo Debt· $3.03B
2021-05-07Post Ipo Equity· $410M
1987-10-09IPO

Leadership Team

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Sherri Luther
CFO and Treasurer
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Giovanni Barbarossa
Chief Strategy Officer & President Materials Segment
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Company data provided by crunchbase