Sales Inventory and Operations Planning Manager (SI&OP)

Howmet Aerospace • Whitehall, MI

9h

About The Position

The SIOP Manager leads the Sales, Inventory, and Operations Planning process to align demand, supply, and financial plans. The role drives collaboration across Sales, Operations, Supply Chain, Finance, and Engineering to optimize inventory, improve forecast accuracy, and support efficient production scheduling. It helps ensure the organization can 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.

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.
• Strong analytical and problem-solving skills.
• Excellent communication and facilitation abilities across all levels of the organization.
• Ability to lead cross-functional teams and influence without direct authority.
• Proficiency in Excel, Power BI, and data analysis tools.
• 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 SIOP data visibility and accuracy.
• Prepare and deliver executive summaries and performance reports for leadership review.

Benefits

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

What This Job Offers

• Job Type: Full-time
• Career Level: Manager