Senior Manager, Demand Planning

4195 Entegris Asia Pte. Ltd.; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Entegris Asia in Singapore seeks a Senior Manager, Demand Planning to lead the Demand Planning team and improve forecast accuracy and planning processes. You will manage data, collaborate with Sales and senior leaders, and drive continuous improvement to deliver accurate demand signals and aligned plans.

The role involves Asia-wide coordination with Plants, Sales, and Planning teams. You will oversee governance for S&OP, own KPIs like accuracy and bias, and participate in cross-functional

Qualifications

• Bachelor’s degree in a relevant field with 5+ years of managerial experience.
• Proven ability to lead teams, coach planners, and drive performance.
• Experience establishing governance for demand planning and S&OP processes.

Responsibilities

• Set demand planning strategy with senior leadership and translate into multi-year plans.
• Make final decisions on initiatives, standards, and resource allocations.
• Own escalations and executive reporting with clear accountability.
• Deliver improvements in forecast performance, service levels, and resilience.
• Represent Asia Planning in executive forums and align with Plants, Sales, and Planning.

Skills

People leadership

Forecasting accuracy

S&OP governance

Cross-functional influence

Executive communication

Education

Bachelor's Degree in Supply Chain/Operations/Engineering

Tools

Forecasting software

Job description

Job Title: Senior Manager, Demand Planning

Job Description: The Role In this role, the Senior Manager will lead the Demand Planning team and play an important role to improve our accuracy and Demand Planning Processes. You will manage and analyze demand data, partner closely with Sales and Business leaders, and continuously improve to create an accurate, actionable, and aligned demand signal. You will partner with senior management to establish strategy and ensure operational effectiveness, improving both short term and long term outcomes. You will be a main contact in Asia for Planning; acting as first point of contact to receive feedback and communication improvements to Plants, Sales, and Planning. You will partner cross-functionally through S&O with supply, financial, and commercial plans. You will join a values-driven culture centered on Entegris' PACE values: People, Accountability, Creativity, and Excellence.

What You’ll Do

• Partner with senior leadership to set demand planning strategy and translate it into multi-year operating plans.
• Make final decisions on key initiatives, standards, and resource allocations; reconcile competing stakeholder priorities.
• Own critical escalations and executive reporting; ensure clear intent, accountability, and follow-through.
• Deliver sustained improvements in forecast performance, service levels, and business resilience.
• Represent Demand Planning in executive forums and with strategic partners as required. Drive continuous improvements in Demand for both S&OE and S&OP. Act as a main Planning spokesperson for Asia Entegris teams, including Plants, Sales, and Planning, ensuring alignment and clarity of demand signals and priorities. You will improve Demand Planning to enhance the signal and the transparency of the process, to benefit both customers and Entegris.

What We Seek

• Typically requires Bachelor's Degree with minimum of 5 years of increasing managerial experience. (Bachelor's in Supply Chain/Operations/Engineering preferred).
• Proven people leadership experience delivering outcomes through teams (coaching, prioritization, performance management).
• Experience establishing governance for demand planning and S&OP (calendar, KPIs, escalation, decision forums).
• Strong cross-functional influence across Sales, Marketing, Finance, Supply Chain, and Operations.
• PACE values: People & Teamwork (coach planners, align cross-functional partners, and build an effective S&OP operating rhythm)
• Accountability, Integrity & Trust (set standards for governance, escalation, and decision-making using facts)
• Creativity & Innovation (sponsor process and tool improvements that improve forecast quality and speed)
• Dedication to Excellence (own KPIs such as forecast accuracy, bias, and service outcomes and sustain improvements).
• Ability to overlap with USA working hours as needed (~10%) and open to travel, especially in Asia.
• This candidate must be based in Singapore.

At Entegris, we want you to be part of our culture, which values your unique talents, skills, and experiences. We believe what we do is as important as how we do it. People at our company bring their true selves to work, and are appreciated not only for what they do, but for who they are. This plus the technical complexity of our products and solutions means you can be sure your work is both challenging and changing the world for the better. Learn more about why people enjoy working at Entegris.