Skip to main content
Posted June 16, 2026
Coherent

Fabrication Technician III

Santa Rosa, CA 95403, United States Full Time
Reference: Coherent_2012862

Job Description

Primary Duties & Responsibilities
  • Demonstrates a strong understanding of the critical importance of optical flatness in the polishing and grinding of telecom wafers and coupons.
  • Inspect and prepare raw optical wafers
  • Verify material specifications and cleanliness before processing optical glass
  • Operate precision grinding equipment to thin wafers to required tolerances.
  • Select appropriate grinding compounds, pads, and tooling based on material type
  • Perform fine polishing to achieve required surface finish and flatness

Education & Experience
  • High school diploma or equivalent
  • Experience with networked PC based computer systems.
  • Experience with Manufacturing Execution Systems (MES)

Skills
  • Minium of 2 years working in a high-volume manufacturing environment, preferably in the Telecom Industry.
  • Demonstrates a strong understanding of the critical importance of optical flatness in the polishing and grinding of telecom wafers and coupons.
  • Strong ability to work independently and manage priorities in a production environment.
  • Exceptional attention to detail and commitment to quality.
  • Strong written and verbal communication skills.

Working Conditions
  • This role is 100% onsite
  • Highly repetitive working conditions
  • Swing shift 1:00pm - 9:30pm PST shift deferential applies
  • Due to the use of polishing compounds and loose abrasive compounds this job involves a moderately messy work environment.

Physical Requirements
  • On occasion be able to lift 40lbs.
  • Long periods of standing/walk

Safety Requirements
  • All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.
  • Consistently prioritize safety in all aspects of daily operations.

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.

Company Benefits:
  • Employees may be eligible for the following benefits:
  • Quarterly Bonus Plan
  • Multiple Shift / Schedule Availability
  • Shift Differential Pay
  • Schedule Differential Pay
  • Medical, Dental and Vision
  • Health Savings Account
  • Health Care and Dependent Care Flexible Spending Accounts
  • Life, Accident, Disability insurance
  • 401(k) Plan
  • Flexible Time Off, Paid Holidays

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 [email protected].About Us

Coherent is a global leader in lasers, engineered materials and networking components. We are a vertically integrated manufacturing company that develops innovative products for diversified applications in the industrial, optical communications, military, life sciences, semiconductor equipment, and consumer markets. Coherent provides a comprehensive career development platform within an environment that challenges employees to perform at their best, while rewarding excellence and hard-work through a competitive compensation program. It's an exciting opportunity to work for a company that offers stability, longevity and growth. Come Join Us!

Note to recruiters and employment agencies: We will not pay for unsolicited resumes from recruiters and employment agencies unless we have a signed agreement and have required assistance, in writing, for a specific opening.

Sign up for Job Alerts