Wafer Planning Senior Planner

Hammerjack Pty Ltd; Philippines; On-site; PHP 1,000,000 - 1,800,000; Full time

Job summary

Vishay Intertechnology, Inc. in the Philippines seeks a Sr. Wafer Planner to lead end-to-end wafer planning for a high-mix semiconductor environment.

You will translate customer demand into executable wafer start plans, manage factory constraints, and drive WIP health and cycle-time performance, serving as a planning authority across cross-functional teams. The role requires 7-10+ years in wafer planning, strong analytical ability, and proficiency with SAP and MES.

Qualifications

• 7-10+ years of experience in semiconductor wafer planning, production planning, or supply planning.
• Deep knowledge of wafer fab processes, WIP flow, cycle time, and bottleneck behavior.
• Experience with SAP and MES systems.
• Excellent analytical skills with proficiency in Excel.
• Strong communication and cross-functional coordination skills.

Responsibilities

• Convert customer demand and forecasts into accurate monthly/weekly wafer start plans.
• Develop and maintain supply scenarios for decision-making.
• Analyze capacity and identify bottlenecks and risks.
• Monitor WIP distribution and drive actions to meet cycle-time targets.
• Collaborate with engineering, procurement, production, and quality on planning issues.

Skills

Analytical skills

Cross-functional coordination

Excel proficiency

Strong communication

Industry knowledge

Education

Bachelor's degree in Industrial Engineering

Tools

SAP

MES

Job description

We are seeking great talent to help us build The DNA of tech.®

Vishay manufactures one of the world's largest portfolios of discrete semiconductors and passive electronic components that are essential to innovative designs in the automotive, industrial, computing, consumer, telecommunications, military, aerospace, and medical markets. We help the world's most in-demand technologies come to life. Every day our products touch your life and the lives of people across the world, though you likely do not know it. Come join us and help us build The DNA of tech.™

Vishay Intertechnology, Inc. is a Fortune 1,000 Company listed on the NYSE (VSH). Learn more at www.Vishay.com.

Do you want to help us build the DNA of tech. Siliconix Philippines, Inc. is currently seeking applicants for a Sr. Wafer Planner to lead end-to-end wafer planning for a high-mix semiconductor manufacturing environment. This role is responsible for translating customer demand into executable wafer start plans, managing factory constraints, driving WIP health and cycle-time performance, and ensuring on-time product delivery. The Sr Wafer Planner will serve as a technical authority in planning processes, capacity optimization, scenario modeling, and cross-functional coordination.

Job Location: Binan, Laguna

What You Will Be Doing

Wafer Start & Supply Planning

• Convert customer demand and forecasts into accurate monthly/weekly wafer start plans.
• Develop and maintain supply scenarios (baseline, pull-in, recovery) for decision‑making.
• Apply yield, scrap, and cycle-time assumptions to ensure realistic and executable plans.

Capacity & Constraint Management

• Analyze fab capacity across critical tools and identify bottlenecks and risks.
• Recommend load-balancing, alternate routing, and capacity adjustments as needed.

WIP & Cycle-Time Governance

• Monitor WIP distribution by technology/product and drive actions to maintain WIP health.
• Ensure alignment to cycle-time targets and support initiatives to reduce CT variability.
• Lead recovery planning during tool-down events or excursion impacts.

Customer Commit & Delivery Support

• Provide accurate customer order confirmation by ensuring fab WIP comprehends up to date delivery schedule
• Work with BP, foundry and factory counterparts to meet delivery commitments.
• Communicate supply risks, commit changes, and mitigation plans.

Cross-Functional Collaboration

• Participate in management review cycles and contribute supply, capacity, and output projections.
• Support new product introduction (NPI) ramps through coordinated wafer start planning.
• Collaborate with Engineering, Procurement, Production, and Quality on planning issues.

Data, Systems, and Process Excellence

• Maintain critical planning master data (lead times, yields, lot sizes, capacity calendars).
• Lead or support digitalization and automation initiatives to improve planning efficiency.

What You Will Bring Along

• 7-10+ years of experience in semiconductor wafer planning, production planning, or supply planning.
• Deep knowledge of wafer fab processes, WIP flow, cycle time, and bottleneck behavior.
• Strong experience with SAP and MES systems
• Excellent analytical skills with proficiency in Excel
• Strong communication and cross-functional coordination skills.
• Bachelor's degree in Industrial Engineering, Manufacturing, Supply Chain, Engineering, or related field.
• Open to work in Binan, Laguna

What Can We Offer You For Your Talent

Vishay offers a comprehensive suite of benefit programs including health care coverage, financial support programs and other resources designed to help you achieve your personal and professional goals. With us, you'll experience unique career paths, an open and collaborative culture, a stable business that will be there for you, and opportunities to work globally and locally. We also have exciting sports and recreation activities for you to participate.

Vishay is committed to a workplace free of harassment and unlawful discrimination. We do not engage in discrimination or harassment based on race, color, age, gender, sexual orientation, gender identity and expression, ethnicity or national origin, disability, pregnancy, religion, political affiliation, union membership, covered veteran status, protected genetic information or marital status in hiring and employment practices.