Coherent

Sr Crystal Growth Engineer

Coherent • $110K — $130K *
Budd Lake, NJ 07828In-Person
Manufacturing & Automotive
5 - 7 years of experience
Today
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Job Overview by Ladders

Qualifications

  • 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

Responsibilities

  • Lead the crystal growth process development.
  • Develop and optimize growth recipes including melt chemistry and thermal gradients.
  • Drive continuous improvement in crystal quality and yield.
  • Provide technical leadership for new crystal growth equipment design and procurement.
  • Define raw material specifications and acceptance criteria.
  • Create and maintain engineering drawings and tooling designs for furnaces.
  • Collaborate with vendors on furnace and component design.

Benefits

  • Compliance with safety, quality, and manufacturing requirements.
  • Opportunity to influence project scaling from R&D to production environments.
  • Engagement in ISO 9000 and 14001 standards execution and maintenance.
Full Job Description
Job Description

Key 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.


Required Qualifications
  • 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


Preferred Qualifications
  • 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


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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