CNC Machine Operator (2nd or 3rd shift)


We are seeking a Diamond Turning Technician in our Newtown, CT facility. This position executes key phases of semiconductor wafer chuck manufacturing. As a Diamond Turning Technician, you’ll operate diamond turning equipment and perform various component production operations within designated processes.  Second shift schedule is Monday – Friday, 3:00pm – 11:30 pm; 3rd shift is Sunday – Thursday 11:00pm – 7:30 am the following day.

Primary Duties & Responsibilities

  • Operate diamond turning equipment.
  • Run CNC programs for diamond turning or diamond grinding operations.
  • Conduct preventative maintenance on diamond turning equipment, including mechanical and electronic adjustments.
  • Understand and follow target specifications and tolerances.
  • Use inspection equipment and measuring devices to ensure compliance with quality standards.
  • Evaluate procedures and recommend changes or modifications for efficiency and adaptability to production
  • Perform scheduled inspection of work (including documentation of results) and verify conformance of finished workpiece to specifications
  • Confer with engineers, production personnel or others to resolve issues
  • Maintain safe, clean, orderly and organized work areas
  • Accurate and timely completion and organization of required paperwork 
  • Perform all other duties, as assigned

Education & Experience

  • High school diploma or equivalent.
  • Related experience in high-precision R&D/manufacturing environment
  • Experience with manufacturing process improvement initiatives
  • Basic computer skills and mathematical calculator proficiency.
  • Knowledgeable in precision inspection and measurement devices (indicators, micrometers, calipers, gage blocks, and optical flats).


  • Ability to read and understand engineering drawings and process procedures
  • Good manual dexterity
  • Fine motor skills – able to manipulate small components
  • Clean and organized
  • Patient and conscientious
  • Metrology: Must be skilled in the use of hand and electronic gauging (inspection less than .0001 inches) and other electronic equipment
  • Able to get along well with others
  • Able to work overtime, as required
  • Ability to work in a cross-cultural, team based environment
  • Good interpersonal and communication skills

Working Conditions

  • Manufacturing and cleanroom setting 

Physical Requirements

  • Ability to frequently lift/push/pull a minimum of 25 pounds
  • Able to sit, stand, bend, squat and walk about the facility
  • Walking/standing a minimum of 8 hours per day

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.

Culture Commitment

Ensure adherence to company’s values (ICARE) in all aspects of your position at Coherent Corp.:

Integrity – Create an Environment of Trust

Collaboration – Innovate Through the Sharing of Ideas

Accountability – Own the Process and the Outcome

Respect – Recognize the Value in Everyone

Enthusiasm – Find a Sense of Purpose in Work


Coherent Corp. is an equal opportunity/affirmative action employer. All qualified applicants will receive consideration for employment without regard to sex, gender identity, sexual orientation, race, color, religion, national origin, disability, protected Veteran status, age, or any other characteristic protected by law.


If you need assistance or an accommodation due to a disability, you may contact us at


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