Sales Inventory and Operations Planning Manager (SI&OP)

Howmet Aerospace•Whitehall, MI

24d

About The Position

The SIOP Manager leads the Sales, Inventory, and Operations Planning process to align demand, supply, and financial plans. The role drives cross-functional collaboration among Sales, Operations, Supply Chain, Finance, and Engineering to optimize inventory levels, improve forecast accuracy, and support efficient production scheduling. It helps the organization meet customer demand while maintaining operational efficiency and profitability.

Requirements

Bachelor’s degree in Business, Supply Chain, Operations Management, or a related field from an accredited institution.
At least 5 years of experience in supply chain, production planning, or operations management.
At least 3 years in a SIOP or demand planning leadership role.
Must be legally authorized to work in the United States; employment eligibility verification is required at hire. Visa sponsorship is not available.
Strong analytical and problem-solving skills.
Excellent communication and facilitation abilities across all levels of the organization.
Demonstrated ability to lead cross-functional teams and influence without direct authority.
Proficiency in Excel, Power BI, and data analysis tools.

Nice To Haves

Master of Business Administration from an accredited institution.
Manufacturing industry experience; multi-site experience is a plus.
Experience with ERP/MRP systems.
Knowledge of Lean principles and continuous improvement methods.

Responsibilities

Lead and facilitate the monthly SIOP process to align demand, supply, and financial goals.
Partner with Sales and Marketing to develop demand forecasts and assess market trends.
Collaborate with Operations, Procurement, and Production teams to align capacity and material availability with forecasted demand.
Analyze supply and demand data to identify gaps, risks, and opportunities, and present findings and recommendations to leadership.
Develop and maintain metrics for forecast accuracy, inventory turns, service levels, and production performance.
Drive continuous improvement in forecasting, inventory management, and production planning processes.
Lead cross-functional meetings to review forecasts, production plans, and inventory strategies.
Partner with Finance to align operational plans with business budgets and performance targets.
Support ERP/MRP system enhancements to improve the visibility and accuracy of SIOP data.
Prepare and deliver regular executive summaries and performance reports for leadership review.