Senior Demand Planner

Coherent Corp. Vietnam•United States,

13d•$134,563 - $160,375

About The Position

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!

Requirements

Bachelor's degree: Supply Chain, Business, Engineering, Operations, or related field required.
8–10 years of experience in demand planning, supply chain planning, production planning, or related fields.
Experience with ERP systems and planning tools.
Understanding of demand planning, forecasting, and supply chain planning principles.
Strong analytical and problem-solving skills with advanced Excel; Power BI/Tableau preferred.
Experience with ERP and demand planning systems.
Strong communication and stakeholder management skills.
Ability to manage multiple priorities in a fast-paced environment.
Continuous improvement mindset with strong attention to detail.
Self-motivated, collaborative, and accountable with strong follow-through.

Nice To Haves

APICS/ASCM certification (CPIM, CSCP) or equivalent is a plus.
Experience in manufacturing or semiconductor industry preferred.
Experience supporting S&OP, demand reviews, or integrated business planning processes preferred.
Demonstrated ability to work cross-functionally in a matrix organization.

Responsibilities

Maintain a consolidated demand plan and provide visibility to Sales, Operations, Manufacturing, and Supply Chain teams.
Support the monthly S&OP process by preparing demand inputs, reviewing forecast changes, and highlighting risks and opportunities.
Monitor forecast accuracy, demand variability, backlog, and planning performance using dashboards and KPIs.
Analyze demand trends and identify demand risks, upside opportunities, and mitigation plans.
Partner with Sales and Commercial teams to understand customer demand drivers and changing business priorities.
Support capacity planning and product allocation decisions through data-driven demand analysis.
Coordinate demand changes across manufacturing sites to improve demand-to-supply alignment.
Prepare executive-ready reports, planning metrics, and demand review materials.
Identify opportunities to improve planning processes, reporting, and data quality.
Support implementation and adoption of planning tools, dashboards, and standard planning processes.
Cross collaboration with functional stakeholders and suppliers across time zones.
Monitor key supply and capacity constraints, proactive communication of impact to site planners and stakeholders, and support development of mitigation planning.
Support product prioritization and allocation activities by preparing demand scenarios, analyzing trade-offs, and coordinating with cross-functional stakeholders.