Sr Production Crystal Growth Technician

Coherent Corp. Vietnam•Port Richey, FL

7d•$23 - $32•Onsite

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! This role involves preparing, verifying, and documenting raw materials, dopants, seeds, and charge calculations. The technician will assemble and inspect hot zones, set up, operate, and monitor CZ growth systems, and maintain operational control of key growth parameters. Responsibilities include identifying and responding to process drift, executing controlled heat-up, growth, and cooldown sequences, and performing in-process and post-growth evaluations. The role also requires accurate recording of process data, participation in root-cause investigations, training and mentoring junior technicians, and maintaining adherence to safety and high-temperature operating standards. Depending on location, this position may be responsible for the execution and maintenance of ISO 9000, 9001, 14001 and/or other applicable standards. Employees are required to follow site EHS procedures and Coherent Corp. Corporate EHS standards. Ensure adherence to company’s values (ICARE): Integrity, Collaboration, Accountability, Respect, and Enthusiasm.

Requirements

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

Nice To Haves

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

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