Job Title:Senior Manager, Demand PlanningJob Description:The RoleIn 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&OP 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 DoPartner 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 SeekTypically 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.