Production Planning Manager

Coherent Corp. Vietnam•Fremont, CA

2d•Onsite

About The Position

Production Planning Manager is responsible for leading the Production Planning team supporting semiconductor device fabrication, assembly, and test operations, spanning internal fabs and external contract manufacturing partners. This role owns end‑to-end production planning from wafer fabrication through device assembly and test, ensuring alignment between demand, capacity, materials, and execution. As a planning manager this role drives setting plans and execution based on the demand/capacity, establishes governance and operating discipline, and serves as a key partner to operations and business leadership. The Production Planning Manager leads weekly supply‑demand reviews with cross-functional teams, and is a core participant in the company’s Sales, Inventory & Operations Planning (SIOP) process, translating business priorities into executable manufacturing plans.

Requirements

Minimum 3-5 years of leadership experience in the planning/logistics/supply chain/industrial engineering
Minimum 5-7 years of relevant experience as a planner/scheduler preferably in semiconductor wafer fabrication environment
Minimum 5 years of relevant experience working with contract manufacturing business model in the capacity of any of following functions logistics/supply chain planning/operations program management/supply industrialization engineering/global supply manager, etc.
BS degree relevant fields
Familiarity with MES (e.g. CAMSTAR) and PDM systems (e.g. Agile)
Expertise with MySQL
Familiarity with Power BI
Excellent analytical skills
Customer Oriented attitude
Expertise in MS Excel; proficiency in MS Access preferable
Excellent verbal and written communication skills. Be concise, consistent, and persistent in each daily communication.
Must be able to sit/stand for a prolonged period.
All employees are required to follow the site EHS procedures and Coherent Corp. Corporate EHS standards.

Nice To Haves

MS degree in MIS, business analytics, industrial engineering preferred.
Preferred language skill -- proficiency in spoken and written mandarin
May include travel to China, Malaysia, Taiwan – 10-15%.

Responsibilities

Lead and manage the Production Planning team supporting semiconductor wafer fabrication, device assembly, and test operations.
Own end-to-end production planning from wafer fab through assembly and test across internal fabs and external contract manufacturers.
Coordinate production schedules between U.S. fabrication sites and overseas contract manufacturing partners (Asia).
Lead weekly supply and demand reviews with operations leadership, and cross-functional teams, highlighting risks and mitigation actions.
Establish standard planning methodologies, operating cadences, and escalation mechanisms across the planning organization.
Actively participate in Sales, Inventory & Operations Planning (SIOP) forums, providing capacity scenarios and production plans.
Monitor execution against SIOP commitments and drive corrective actions where required.
Drive production ramp plans for new products; track progress against ramp and yield targets.
Provide delivery commitments by product and customer; prioritize manufacturing activities using dispatch rules and planning tools.
Identify capacity, yield, material, and cycle-time constraints; drive cross-functional resolution
Ensure accurate ERP/MRP and MES execution for work orders and consigned inventory at CM sites.
Partner with Product and Process Engineering to support NPI builds, qualifications, and volume transitions
Perform what-if and scenario analysis to support leadership decision-making.
Foster a culture of accountability, operational rigor, and data‑driven decision making.