II-VI Aerospace & Defense · 18 hours ago
Crystal Growth Engineer, Sr
200 International Drive, Budd Lake, NJ, 07828, US
Full-time
Onsite
Senior Level
$115K/yr - $137K/yr
5+ years expII-VI Aerospace & Defense is seeking a Senior Crystal Growth Engineer with strong experience in oxide crystal growth using the Czochralski technique. This role involves leading the development, optimization, and scale-up of crystal growth processes and equipment, while providing technical leadership in the design and specification of new equipment.
AerospaceAppsManufacturingSpace Travel
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
Qualification
Required
Bachelor's, Master's, or PhD in Materials Science, Physics, Chemistry, Chemical Engineering, or related field
5+ 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
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
Company
II-VI Aerospace & Defense
II-VI Aerospace & Defense provides optical assemblies.
201-500 employees
Funding
Current Stage
Growth StageLeadership Team
Sheila Campbell
Sr. Human Resources Business Partner
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