Coherent

Senior Crystal Growth Technician

Coherent • $75K — $95K *
Budd Lake, NJ 07828In-Person
Manufacturing & Automotive
8 - 10 years of experience
Reposted Today
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Job Overview by Ladders

Qualifications

  • Minimum of 8 years in CZ crystal growth or high-temperature oxide manufacturing
  • Ability to operate complex crystal growth systems independently
  • Strong understanding of thermal management and process repeatability
  • Experience in controlled documentation and deviation management
  • Demonstrated troubleshooting skills for crystal growth systems
  • Mechanical skills for hot zone assembly and equipment maintenance
  • Proficiency in data entry and Microsoft Office

Responsibilities

  • Prepare and document raw materials and charge calculations
  • Assemble and inspect hot zones for integrity and thermal symmetry
  • Operate and monitor CZ growth systems for production
  • Maintain control of growth parameters for repeatable processes
  • Identify and manage process drift and equipment instability
  • Execute heat-up, growth, and cooldown sequences
  • Conduct in-process evaluations following quality standards
  • Record process data and observations accurately
  • Participate in yield loss investigations
  • Train and mentor junior technicians
  • Adhere to safety and high-temperature standards

Benefits

  • Career development opportunities
  • Professional growth in a stable and established company
  • Environment that rewards excellence and hard work
  • A commitment to diversity and equality
  • Compliance with strict environmental and quality standards
Full Job Description
Job Description

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 (8) 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.

About Coherent

Coherent, Inc. is a global leader in providing laser-based solutions to a broad range of commercial and scientific research customers. The company designs, manufactures, and markets lasers, laser-based systems, precision optics, and related accessories for a diverse group of customers. Coherent's markets include scientific research, OEM components and instrumentation, microelectronics, materials processing, and life sciences. The company's products are used in a wide range of applications. Coherent was founded in 1966 and is headquartered in Santa Clara, California.
Learn more about Coherent
Size
5,085 employees
Market Cap
$4.6 billion
Industry
Manufacturing & Automotive
Net Income
-$419.7 million
Founded
1966
5 Year Trend
+27.8%
Revenue
$1.2 billion
NASDAQ
COHR
* Ladders Estimates

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