II-VI Aerospace & Defense

Apr 23, 2026
Full time
II-VI Aerospace & Defense Woburn, MA
Job Description Education & Experience • BS in EE, ME, or other physical/chemical sciences • 3+ years applicable experience in fabrication of semiconductor and/or thin film devices • Knowledge of thin film fabrication processes, equipment failure analysis, thin film equipment component upgrade/modification • High-vacuum tool operation and troubleshoot/repair • Photolithography process experience • Proficiency in Excel, PowerPoint, and MS Word • Experience and knowledge on Statistical Process Control • Demonstrated ability to effectively communicate complex concepts to the organization • Experience with AutoCAD a plus Skills Mechanical design, Computer-aided design (CAD) Generate detailed drawings of systems and mechanical components Transform designs into processes that improve chip yield Waste Water Treatment Certification, Hazardous Material Training Test Equipment Set up, Operation and Troubleshooting Ability to work with limited supervision...
Apr 22, 2026
Full time
II-VI Aerospace & Defense Sherman, TX
Job Description Primary Duties & Responsibilities Mechanical Infrastructure & Utility System Design Develop and review designs for mechanical utility systems supporting cleanrooms and manufacturing spaces (e.g., HVAC, chilled water, CDA, vacuum, exhaust). Prepare and evaluate engineering documents including P&IDs, utility schematics, mechanical layouts, and design packages. Ensure designs comply with ISO cleanroom classifications, building codes, and internal engineering standards. Lead and participate in design reviews with internal stakeholders and external engineering firms to validate system performance, constructability, and safety. Provide technical input early in project planning to define system requirements and align design strategies with operational needs. Construction Engineering, Field Support & Commissioning Provide on-site engineering support during construction, including system inspections, issue resolution, and...
Apr 16, 2026
Full time
II-VI Aerospace & Defense Santa Clara, CA
Job Description Primary Duties & Responsibilities Conduct all activities in a manner consistent with Coherent' s corporate values and Code of Conduct. Provide professional technical support to internal department, sales and marketing teams worldwide, and customers as needed. Introduce and help develop efficient and improved methods for optical system assembly and inspection as needed. Involved directly with new product development projects incorporating optical, electrical, mechanical, software and system integration engineering functions. Ensure meeting project schedule and timelines and milestones, and the completion of complex cross-disciplinary activities within project team. Conduct and well manage design documents, ECR/ECO, design change implementation in new product release process. Communicates project status and progresses to management as appropriate, including recommendations on resources, process development, and product improvement and...
Apr 06, 2026
Full time
II-VI Aerospace & Defense Fremont, CA
Job Description Primary Duties & Responsibilities Responsible for CPO/XPO/liquid cooling Lead and manage CPO/XPO/Liquid cooling Education & Experience B.S. or M.S. in Mechanical Engineering. 5+ years of mechanical design experience. Knowledge of a variety of (metal) manufacturing methods, e.g. machining, stamping, molding, welding, brazing, casting, plating, 3D printing, etc. Knowledge and experience in sheet metal fabrication and rack and chassis designs Strong analytical and computational skills in structural, heat transfer, fluid dynamics, and tolerance studies for mechanical and thermal consideration. Experience in semiconductor laser diodes, laser alignment, diode laser packaging, fiber optics, fiber coupled lasers, fiber lasers, and diode laser optics. Able to multitask between several projects and designs and handle a lot of details. Must be self-motivated with the ability to work effectively in a team environment and meet project...
Mar 22, 2026
Intern
II-VI Aerospace & Defense Sherman, TX
Job Description Primary Duties & Responsibilities Assist Facilities Engineering with electrical infrastructure projects, including power distribution, equipment installations, and facility upgrades. Support project planning and coordination, including tracking schedules, budgets, and project documentation. Assist in reviewing electrical drawings, single-line diagrams, and equipment specifications for facility systems. Participate in site walkdowns and inspections to document electrical systems (switchgear, transformers, substations, backup power, etc.) and identify improvement opportunities. Help collect and analyze data related to energy usage, electrical loads, and facility system performance. Work with engineers and contractors to support project execution, commissioning, and system testing. Assist with updating engineering documentation, maintenance records, and project reports Prepare a final internship presentation or report summarizing project...
Mar 22, 2026
Intern
II-VI Aerospace & Defense Fremont, CA
Job Description Primary Duties & Responsibilities Responsible for designing fixtures/tooling as needed for prototype build, assist senior engineers in performing process development activities in the OSA lab, perform Design of Experiments (DOEs) to determine optimum solutions to manufacturing issues. Education & Experience No experience necessary. Must be enrolled in college per the Coherent Internship Guidelines. Skills Capable of using Solid Works to design simple fixtures/tooling. Work effectively in a team setting as well as an individual contributor with limited supervision. Working Conditions This role will be based on-site in Fremont, CA. Regular use of a computer and other office equipment is necessary. Cleanroom work may be needed Use of mechanical dimension inspection equipment Physical Requirements Sitting for extended periods while working on a computer or in meetings. Use of hands and fingers for typing, writing,...
Mar 22, 2026
Intern
II-VI Aerospace & Defense Sherman, TX
Job Description Primary Duties & Responsibilities Assist with engineering design activities, including updating CAD models and engineering documentation related to facility systems. Perform quality checks and reviews of construction drawings to help ensure accuracy, completeness, and alignment with engineering standards. Assist in the reviewing of Process & Instrumentation Diagrams (P&IDs) for mechanical and utility systems. Collaborate with engineers, technicians, and project stakeholders to support ongoing engineering projects and initiatives. Assist with data entry, documentation management, and project tracking to maintain accurate engineering and project records. Education & Experience Education Level Required: Associate's /Bachelor's If bachelor's rising Junior (completed 2 years by start) Majors: Mechanical Engineering, Engineering Technology or a related engineering discipline. Relevant coursework or extracurricular experience in...
Mar 15, 2026
Intern
II-VI Aerospace & Defense Fremont, CA
Job Description Primary Duties & Responsibilities Support liquid cooling projects Support collecting & analyzing engineering data Thermal design and testing Perform miscellaneous mechanical designs. Perform mechanical stress analysis to support optical design. Document all design/testing/simulation process Education & Experience Minimum rising Senior (completed 3 years by start) of Bachelor degree in science Majors: Mechanical Engineering Relevant coursework: Machine design, heat transfer knowledge in Solidworks, 3D printing, FEA Open to currently enrolled students or those who have graduated within one year of the internship start date. Skills & Other Requirements Excellent written and verbal communication. Team-oriented but able to work independently when needed. Adaptable and eager to learn in a fast-paced environment. Attention to detail and time management. [Any role-specific skills, like Excel, programming,...
Mar 07, 2026
Full time
II-VI Aerospace & Defense Sherman, TX
Job Description Responsibilities include: Competency with semi-conductor crystals including II-VI and III-V compounds, laser crystals, and NLO crystals including oxides and fluorides. Plan and conduct engineering tests and detailed experimental testing to verify process efficacy, prove hypotheses or characterize material quality Organize and write machine/process and qualification procedures Operate and maintain crystal growth equipment for R&D and process development purposes Assist in the design, construction, test and check-out of crystal growth and test equipment Use manufacturing test, development or diagnostic equipment Perform operational test and fault isolation on systems and equipment Education and Work Experience: Minimum Qualifications: Masters in materials science or related discipline with a minimum of 5 years of hands on experience in at least 1 method of crystal growth with emphasis on techniques for bulk congruent materials...
Mar 07, 2026
Full time
II-VI Aerospace & Defense Mount Olive, NJ
Job Description We are seeking a Senior Crystal Growth Engineer with strong experience in oxide crystal growth using the Czochralski technique to lead the development, optimization, and scale-up of crystal growth processes and equipment. This role combines deep process expertise with leadership in the design, specification, documentation, and sourcing of new crystal growth equipment, supporting both development and production needs. 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,...