Primary Responsibilities
 Prepare, verify, and document raw materials, dopants, seeds, and charge calculations per controlled procedures
 Assemble and inspect hot zones to ensure mechanical integrity and thermal symmetry
 Set up, operate, and monitor CZ growth systems for SGGG production; support additional oxide systems as needed
 Maintain operational control of key growth parameters to ensure repeatable execution within defined process windows
 Identify and respond to process drift, equipment instability, or infrastructure-related interruptions
 Execute controlled heat-up, growth, and cooldown sequences to minimize thermal stress and yield loss
 Perform in-process and post-growth evaluations in compliance with traceability and quality requirements
 Accurately record process data, deviations, and observations in controlled documentation systems
 Participate in root-cause investigations related to yield loss and equipment stability
 Train and mentor junior technicians; review setups for procedural compliance
 Maintain strict adherence to safety and high-temperature operating standards
Required Experience and Skills
 Minimum eight (5) years of experience in CZ crystal growth or high-temperature oxide manufacturing
 Proven ability to independently operate complex crystal growth systems in a production environment
 Strong knowledge of thermal management, melt behavior, and process repeatability
 Experience with controlled documentation, deviation management, and manufacturing discipline
 Demonstrated troubleshooting capability for crystal growth systems and infrastructure-related disruptions
 Mechanical aptitude for hot zone assembly and equipment upkeep
 Proficiency in data entry systems and Microsoft Office tools
 Strong attention to detail, safety awareness, and process ownership mindset
Desired Qualifications
 Associate degree in Engineering Technology, Materials Science, or related technical discipline
 Experience with SGGG and/or similar high-temperature oxide materials
 Experience supporting transition from development to standardized production
 Experience mentoring less-experienced technicians
Safety Requirements
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
Quality and Environmental Responsibilities
Depending on location, this position may be responsible for the execution and maintenance of the ISO 9000, 9001, 14001 and/or other applicable standards that may apply to the relevant roles and responsibilities within the Quality Management System and Environmental Management System.
Culture Commitment
Ensure adherence to company's values (ICARE) in all aspects of your position at Coherent Corp.:
Integrity - Create an Environment of Trust
Collaboration - Innovate Through the Sharing of Ideas
Accountability - Own the Process and the Outcome
Respect - Recognize the Value in Everyone
Enthusiasm - Find a Sense of Purpose in Work
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Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.
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If you need assistance or an accommodation due to a disability, you may contact us at talentacquisition@coherent.com.
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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!
Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.