Supply Planner

• Locations 630 E Lambert Rd., Brea, CA, 92821, US (On-site)
• Job Schedule Full time
• Export-Controlled Data This position entails access to export-controlled items and employment offers are conditioned upon an applicant's ability to lawfully obtain access to such items

Responsibilities

• End-to-End MIN MAX Ownership: Own the MIN MAX process from beginning to end, including collecting and reviewing customer requirements, coordinating directly with customers and internal stakeholders, validating assumptions, resolving demand input discrepancies, and ensuring demand signals are translated into actionable supply and production requirements.
• Participate in and lead customer meetings related to MIN MAX requirements, demand changes, commitments, and planning issues. Clearly communicate planning requirements and follow through on actions resulting from those discussions.
• Coordinate closely with Production Planners, Sales, Procurement, Operations, and other stakeholders to ensure On Time Delivery of MIN MAX program.
• Independently investigate and resolve issues that arise within the MIN MAX process, including demand discrepancies, data issues, supply risks, planning constraints, and execution gaps. Drive issues through to resolution rather than simply identifying or escalating them.
• Long-Range Material Requirements Planning: Develop and maintain long-range forecasts for raw material and purchased component requirements based on MIN MAX demand, customer forecasts, production requirements, inventory positions, lead times, and other relevant planning inputs. Work closely with the GSM team to align long-range material requirements with demand forecasts, supply strategies, sourcing considerations, and business requirements. Translate long-range demand into time-phased material and component requirements to support supply continuity, purchasing decisions, inventory planning, and financial forecasting. Continuously evaluate changes in demand, consumption, supply conditions, inventory, and planning assumptions and update long-range requirements accordingly.
• Purchasing Plan & Spend Forecasting: Develop, maintain, and manage the purchasing plan for raw materials and purchased components required to support forecasted demand and operational requirements. Calculate and maintain projected raw material and component spend to support annual budgets, financial planning, forecasting, and management decision-making. Analyze planned purchasing requirements, inventory positions, demand trends, lead times, and expected consumption to identify anticipated purchasing needs and spending requirements. Work closely with Procurement to communicate purchasing requirements, align purchase activity with the approved purchasing plan, and monitor execution against plan. Track actual and projected purchasing activity against planned requirements and spend, identify significant variances, and coordinate actions necessary to maintain alignment with changing business conditions. Proactively identify purchasing, supply, inventory or execution risks that could impact the plan and work cross-functionally to develop and implement appropriate corrective actions.
• Supply Planning: Develop, maintain, and execute supply plans for raw materials, purchased components, and manufacturing tooling required to support customer demand, production requirements, long-term agreements, and business objectives. Monitor supply health and identify emerging risks, recurring shortages, material constraints, tooling concerns, and other conditions that could impact production or customer commitments. Take ownership of supply-related issues by performing root-cause analysis, coordinating cross-functional corrective actions, and driving sustainable solutions to recurring or systemic problems.
• Inventory Optimization: Lead and support inventory reduction and optimization initiatives focused on reducing excess, obsolete, slow-moving, and otherwise inefficient inventory while protecting material availability and customer service. Analyze inventory positions, demand trends, consumption patterns, lead times, supply constraints, and planning parameters to identify inventory optimization and working capital opportunities. Develop and implement recommendations related to stocking strategies, safety stock, inventory exposure, material disposition, and supply planning parameters.
• KPI Development, Automation & Continuous Improvement: Design, develop, automate, and maintain planning and supply chain KPIs, dashboards, and recurring management reporting. Create meaningful metrics related to demand coverage, inventory health, supply performance, material availability, projected spend, MIN MAX performance, planning execution, and other critical business objectives.

Qualifications

Required Qualifications and Education

• Bachelor's degree in Supply Chain Management, Business, Operations, Engineering, Analytics, Finance, or a related field; equivalent relevant experience may be considered.
• Experience in supply planning, demand planning, production planning, materials management, inventory planning, procurement, or a related supply chain function.
• Advanced to expert-level Microsoft Excel skills are required. Candidates must be comfortable independently building, maintaining, and troubleshooting complex analytical models and working extensively with advanced formulas and dynamic array functionality.
• Demonstrated experience working with complex, high-volume datasets and translating analysis into actionable business recommendations.
• Demonstrated ability to identify problems, investigate root causes, coordinate stakeholders, and independently drive issues through to resolution.
• Strong organizational skills and the ability to manage multiple priorities across long-range and short-term planning horizons.
• Strong written and verbal communication skills, including the ability to participate in customer-facing discussions and communicate complex planning issues clearly.
• Highly self-directed with strong initiative, ownership, curiosity, accountability, and follow-through.

Preferred Qualifications

• Experience in aerospace, aerospace fasteners, precision manufacturing, metalworking, automotive, or another complex manufacturing environment.
• Experience working with Long-Term Agreements (MIN MAXs), customer forecasts, or contractual demand commitments.
• Experience developing long-range raw material requirements forecasts, purchasing plans, material spend forecasts, or supply budgets.
• Experience working cross-functionally with strategic sourcing, global supply management, procurement, or purchasing organizations.
• Experience in a high-mix, high-volume environment with thousands of active part numbers, complex bills of material, and long or variable supply lead times.
• Experience with ERP systems, manufacturing data structures, and data warehouses.
• Experience with Power Query, VBA, Power BI, Python, or other business intelligence and automation tools.
• Experience with inventory optimization, excess and obsolete inventory reduction, working capital improvement, or
• Experience developing KPIs, dashboards, recurring reporting, purchasing plans, or management analytics.
• Ownership: Takes responsibility for processes and issues from beginning to end and follows through until an appropriate resolution is implemented.
• Initiative: Does not wait for detailed direction; independently identifies problems, investigates root causes, and develops solutions.
• Technical Excellence: Comfortable working deeply in advanced Excel, automation tools, and large datasets to solve complex planning problems.
• Problem Solving: Able to move from raw data and incomplete information to analysis, insight, recommendation, action, and resolution.
• Customer & Stakeholder Management: Comfortable participating in customer meetings and coordinating GSM, Procurement, Planning, Operations, and other cross-functional teams.
• Financial & Supply Chain Acumen: Understands the relationship between demand, material requirements, inventory, purchasing activity, supply risk, and projected spend.
• Continuous Improvement: Focused on building scalable, automated, and sustainable processes rather than repeatedly relying on manual workarounds.
• Business Judgment: Able to balance customer demand, supply availability, production requirements, inventory investment, purchasing requirements, and operational constraints.

Salary Range

The base pay range for this position in California, $80,000 - $100,000/year. Pay is based on market location and may vary depending on job-related knowledge, skills, and experience.

About Us

Compensation and Benefits:

If a pay range is identified for this job, it is based on a good faith estimate at the time of this posting. Actual compensation is subject to variation due to factors such as education, experience, skillset, market/business considerations, and/or location.

Howmet Aerospace offers a competitive benefits package to support the health, financial well-being, and professional growth of our employees. Benefits include:

• Comprehensive medical, prescription, dental, and vision benefits coverage, including FSA and HSA account options
• Pre-tax and Roth 401(k) retirement savings plans offering employer matching funds and a separate employer retirement contribution
• Paid holidays and vacation time (eligibility, accrual, and usage are discretionary and governed by applicable policies)
• Paid parental leave and adoption assistance programs
• Life insurance and disability coverage plans
• Optional coverage plans for auto, home, legal, identity theft, and pet insurance
• Tuition Assistance Program and ongoing professional development opportunities
• Employee Assistance Program (EAP)

Our Story:

Howmet Aerospace Inc. (NYSE: HWM), headquartered in Pittsburgh, Pennsylvania, is a leading global provider of advanced engineered solutions for the aerospace and transportation industries. Our primary businesses focus on jet engine components, aerospace fastening systems, titanium structural parts and forged wheels. With $8.3 Billion in revenue in 2025, our products play a crucial role in enabling fuel efficiency and lightweighting, contributing to our customers’ success and making a positive impact on the world. To learn more about the way Howmet Aerospace Inc. is advancing the sustainability of our customers, markets, and communities where we operate, review the 2025 Environmental Social and Governance report at . Follow: LinkedIn , Twitter , Instagram , Facebook , and YouTube .

Equal Opportunity Employer:

Howmet is proud to be an Equal Employment Opportunity employer. We are committed to creating an inclusive environment for all employees. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex, sexual orientation, gender identity, national origin, disability, status as a protected veteran, or other applicable legally protected characteristics.