Sales Inventory and Operations Planning Manager (SI&OP)

Howmet Aerospace Inc.; Whitehall Township (MI); On-site; USD 110,000 - 165,000; Full time

Benefits offered by this job

Medical, dental, vision

401(k) with company match

Paid holidays and vacation

Parental leave

Life insurance

Disability coverage

Tuition Assistance

Employee Assistance Program

Job summary

Howmet Aerospace Inc. in Whitehall, MI seeks a Sales Inventory and Operations Planning Manager to lead the SIOP process, aligning demand, supply, and financial plans.

You will drive cross-functional collaboration across Sales, Operations, Finance, and Engineering to optimize inventory and forecast accuracy. Responsibilities include leading monthly SIOP, coordinating with Sales, Marketing, and Production, and delivering executive summaries with performance metrics.

Qualifications

• Bachelor’s degree in Business, Supply Chain, Operations Management, or related field required.
• Minimum 5 years in supply chain, production planning, or operations with at least 3 years in a SIOP/demand planning leadership role.
• Legal authorization to work in the United States; visa sponsorship not available.

Responsibilities

• Lead the monthly SIOP process aligning demand, supply, and financial goals.
• Partner with Sales/Marketing to develop accurate demand forecasts.
• Collaborate with Operations/Procurement/Production to ensure capacity and material availability.
• Analyze data to identify gaps, risks, and opportunities; present findings to leadership.

Skills

Analytical skills

Problem-solving

Communication

Facilitation

Leadership without authority

Cross-functional collaboration

Attention to detail

Education

Bachelor’s degree in Business, Supply Chain, Operations Management, or related field

Master's degree (preferred)

Tools

Excel

Power BI

Data analysis tools

ERP/MRP systems

Job description

Sales Inventory and Operations Planning Manager (SI&OP)

Whitehall, MI, United States (On-site)

Job Info

• Job Identification 119958
• Job Category Operations
• Posting Date 10/15/2026, 11:58 AM
• Locations One Misco Drive, Whitehall, MI, 49461-1799, 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

Position Summary

The SIOP Manager is responsible for leading the Sales, Inventory, and Operations Planning process to ensure alignment across demand, supply, and financial plans. This role drives cross-functional collaboration between Sales, Operations, Supply Chain, Finance, and Engineering to optimize inventory levels, improve forecast accuracy, and support efficient production scheduling. The SIOP Manager plays a key role in ensuring the organization can meet customer demand while maintaining operational efficiency and profitability.

Key Responsibilities:

• Lead and facilitate the monthly SIOP process to ensure alignment between demand, supply, and financial goals.
• Partner with Sales and Marketing to develop accurate demand forecasts and assess market trends
• Collaborate with Operations, Procurement, and Production teams to ensure capacity and material availability align with forecasted demand.
• Analyze supply and demand data to identify gaps, risks, and opportunities; present findings and recommendations to leadership.
• Develop and maintain metrics to monitor 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 visibility and accuracy of SIOP data.
• Prepare and deliver regular executive summaries and performance reports for leadership review.

Qualifications

Basic Qualifications

• Bachelor’s degree in Business, Supply Chain, Operations Management, or related field from an accredited institution
• Minimum of 5 years of experience in supply chain, production planning, or operations management, with at least 3 years in a SIOP or demand planning leadership role
• Employees must be legally authorized to work in the United States.Verification of employment eligibility will be required at the time of hire.Visa sponsorship is not available for this position.

Preferred Qualifications

• Master of Business Administration from an accredited institution
• Experience with ERP/MRP systems.
• 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
• Knowledge of Lean principles and continuous improvement methods preferred

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 www.howmet.com/esg-report . 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.