Senior Supply Planner

Fremont, CAFull-timePosted Aug 5, 2026

Primary Duties & Responsibilities

  • Actively participate in Sales, Inventory & Operations Planning (SIOP) forums, providing supply and capacity input and production plan scenarios to support demand‑supply balancing.

  • Support weekly supply and demand reviews with operations and cross‑functional teams, highlighting supply risks and mitigation actions.

  • Monitor execution against SIOP commitments and drive corrective actions within area of responsibility.

  • Manage planning and logistics for contract manufacturing partners specializing in assembly, bar fabrication, die fabrication, and testing of electronic components in Asia.
  • Coordinate production schedules between U.S. fabs (California, Texas) and overseas factories (Malaysia, China, Taiwan).

  • Maintain and update daily/weekly schedules based on demand forecasts and customer requirements.

  • Support ERP activities for work orders and consign inventory at CM sites.

  • Drive ramp-up plans for key products and monitor progress against weekly goals.

  • Provide delivery commitments by product and customer; prioritize production activities.

  • Provide delivery schedules/commitments by product and by customer
  • Prioritize production activities through dispatch lists or other means
  • Identify and escalate constraints; collaborate with material planners, industrial engineering, operations, product engineering, and management to resolve issues.

  • Partner with engineering for NPI builds and production line activities.

  • Perform what-if analysis to support business decisions.

  • Act as a key stakeholder with internal operations, CM operations, and product engineering to resolve line issues. 
  • Contribute to operations program management, including generating schedule and risk mitigation for key programs.

  • Engage in key decision making and milestone agreements with different stakeholders.

Education & Experience

  • Minimum 5-7 years of relevant experience as a planner/scheduler preferably in semiconductor wafer fabrication environment
  • Minimum 3-5 years of relevant experience working with contract manufacturing business model in the capacity of a logistics/supply chain planner/operations program manager/supply industrialization engineer/global supply manager, etc.
  • BS degree relevant fields
  • MS degree in MIS, business analytics, industrial engineering preferred. 

Skills

  • Familiarity with MES (e.g. CAMSTAR) and PDM systems (e.g. Agile)
  • Expertise with MySQL
  • Familiarity with PowerBI
  • Excellent analytical skills
  • Customer Oriented attitude
  • Expertise in MS Excel; proficiency in MS Access preferable
  • Preferred language skill -- proficiency in spoken and written mandarin
  • Excellent verbal and written communication skills.  Be concise, consistent, and persistent in each daily communication.
  • May include travel to China, Malaysia, Taiwan – 10-15%.

Working Conditions

  • This role will be based on-site in Fremont, CA. 
  • Regular use of a computer and other office equipment is necessary.

Physical Requirements

  • Sitting for extended periods while working on a computer or in meetings.
  • Use of hands and fingers for typing, writing, and handling documents.
  • Occasional lifting of objects or materials up to 20 pounds for administrative tasks.
  • Ability to communicate verbally and in writing.

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 talentacquisition@coherent.com.


 

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