Materials Planning Manager

Flex•Milpitas, CA

22h

About The Position

Flex is the diversified manufacturing partner of choice that helps market-leading brands design, build and deliver innovative products that improve the world. A career at Flex offers the opportunity to make a difference and invest in your growth in a respectful, inclusive, and collaborative environment. If you are excited about a role but don't meet every bullet point, we encourage you to apply and join us to create the extraordinary. Job Summary: Flex intends to spin off its Cloud and Power Infrastructure segment into a new, independent publicly traded company, which we’re calling SpinCo, until the name is unveiled. The spin is planned for Q1 2027. If the intended spin occurs, this role will support SpinCo, which will focus on critical digital infrastructure, delivering end-to-end power and thermal management solutions for AI data centers and other mission-critical applications. To support our extraordinary teams who build great products and contribute to our growth, we're looking to add a Materials Planning Manager 4 to our Global Procurement & Supply Chain organization. Reporting to the Director of Supply Chain, the Materials Planning Manager 4 will provide strategic leadership for material planning, forecasting, inventory management, and supply-demand balancing activities across the organization. This role is responsible for developing and executing long-term materials planning strategies that optimize inventory investment, improve customer service levels, support manufacturing operations, and drive operational excellence. The Materials Planning Manager 4 will lead planning teams, collaborate with senior leadership, and partner closely with operations, procurement, supply chain, and customer-facing organizations to ensure material availability, forecast accuracy, inventory optimization, and successful execution of business objectives. This role plays a key part in driving supply chain performance and supporting organizational growth.

Requirements

Deep expertise in materials planning, demand management, forecasting, inventory optimization, supply planning, and manufacturing operations.
Bachelor's degree in Supply Chain Management, Business Administration, Operations Management, Engineering, or a related field, or equivalent experience.
Typically requires a minimum of 10 years of material planning, supply chain, manufacturing, or related experience, including leadership, supervision, and management responsibilities.
Proven experience leading materials planning organizations within complex manufacturing environments.
Strong knowledge of forecasting methodologies, inventory management principles, sales and operations planning (S&OP), capacity planning, and demand management processes.
Experience leading cross-functional initiatives involving operations, procurement, production planning, logistics, and customer-facing teams.
Demonstrated success developing strategic planning processes that improve service levels, inventory performance, and operational efficiency.
Strong analytical, financial, and problem-solving skills with the ability to interpret complex data and make business-critical decisions.
Advanced proficiency with ERP/MRP systems, planning tools, Microsoft Excel, and data analytics solutions.
Exceptional leadership, communication, organizational development, and stakeholder management skills.

Responsibilities

Lead the development and execution of material planning strategies, demand forecasts, inventory plans, and supply-demand balancing processes that support customer requirements and business objectives.
Direct and develop materials planning teams while providing coaching, mentoring, succession planning, and performance management to build organizational capability and support business growth.
Facilitate cross-functional planning reviews to evaluate demand forecasts, supply constraints, inventory positions, customer requirements, backlog, and service level performance.
Drive inventory optimization initiatives by improving forecast accuracy, reducing excess and obsolete inventory, enhancing inventory turns, and ensuring material availability to support production schedules.
Partner with executive leadership, operations, procurement, and customer teams to develop strategic plans, mitigate supply risks, support major business initiatives, and improve overall supply chain performance.