What are the responsibilities and job description for the Director, Sales, Inventory & Operations Planning position at mSupply?
About mSupply
mSupply is North America’s leading distributor of OEM repair parts and equipment, serving professionals in the appliance, HVAC, plumbing, commercial kitchen and pool/spa industries. Headquartered in St. Louis, MO, mSupply is a multi-billion dollar enterprise offering an extensive product range, industry expertise and seamless service. With more than 2,000 associates across the U.S. and Canada, mSupply’s family of brands delivers with speed, reliability and precision through its branches, distribution centers and extensive fleet of delivery vehicles. Shipped orders reach 93% of U.S. customers via next-day ground delivery and 100% within two days. For more information, visit mSupply.com.
The Director of SIOP (Sales, Inventory amp; Operations Planning) is a senior supply chain leader responsible for orchestrating the integrated planning process across mSupply's HVAC, plumbing, and appliance product lines. This individual will serve as the central architect of mSupply's demand-supply balancing strategy, ensuring that customer commitments, inventory investments, and supplier commitments are aligned to support both short-term execution and long-term business growth. Reporting to executive leadership, the Director of SIOP will build and lead a high-performing planning team, drive cross-functional alignment, and deliver a disciplined, data-driven planning cadence that supports mSupply's position as a trusted OEM distributor.
Job Duties amp; Responsibilities
- Design, implement, and continuously improve mSupply's end-to-end SIOP process, including monthly planning cycles that integrate demand, supply, inventory, and financial plans.
- Lead the monthly SIOP executive review, facilitating cross-functional alignment among Sales, Procurement, Finance, and Operations to resolve gaps and drive consensus on a unified operating plan.
- Own and develop the demand planning function and metrics, collaborating with Sales and Marketing to produce statistically grounded forecasts across HVAC, plumbing, and appliance categories. Define and monitor SIOP metrics including forecast accuracy, fill rate, days on hand, inventory value, etc. and make recommendations from the data.
- Lead supply planning and partner with Procurement to align commitments with demand signals, managing replenishment, supplier capacity, and lead time variability to maintain targeted service levels and inventory turns.
- Define and monitor key SIOP metrics including forecast accuracy, fill rate, days on hand, inventory value, and supplier on-time delivery; present findings and action plans to executive leadership.
- Partner with Procurement team to align supply commitments with demand signals, managing lead time variability and supply constraints proactively.
- Develop and maintain inventory segmentation strategies that balance service-level requirements with working capital targets across SKUs and product categories.
- Lead scenario planning and what-if analysis to model the impact of demand volatility, supply disruptions, new product introductions, and market changes on inventory and service performance.
- Drive process standardization and continuous improvement across the SIOP lifecycle; identify root causes of planning breakdowns to implement corrective actions and partner with IT to advance ERP and planning tool capabilities.
- Build, coach, and develop a team of demand and supply planners, establishing clear performance expectations and fostering a culture of accountability and continuous improvement.
- Collaborate with Finance to align the SIOP plan with budgetary targets, ensuring that inventory investments reflect strategic priorities and financial guardrails.
- Stay current on industry trends, best practices, and emerging tools in supply chain and SIOP, bringing relevant innovations to mSupply's planning practice.
Qualifications
- Bachelor's degree in Supply Chain Management, Business Administration, Operations Management, or a related field required; MBA or advanced degree preferred.
- 7 years of progressive supply chain planning experience, with at least 3 years in a senior SIOP, S&OP, or integrated business planning leadership role.
- Experience in OEM distribution, wholesale distribution, or a related product-intensive industry strongly preferred; familiarity with HVAC, plumbing, or appliance categories is a plus.
- Proven track record of designing and leading SIOP or S&OP processes in a multi-product, multi-location environment.
- Strong analytical and quantitative skills with proficiency in demand forecasting methodologies, inventory optimization, and supply planning techniques.
- Hands-on experience with ERP systems (e.g., SAP, Oracle, Microsoft Dynamics) and planning tools (e.g., Kinaxis, Blue Yonder, o9, or equivalent).
- Demonstrated ability to lead cross-functional teams, facilitate executive-level conversations, and influence without direct authority.
- Excellent communication skills with the ability to translate complex supply chain data into clear, actionable insights for senior leadership.
- APICS CPIM, CSCP, or equivalent professional certification preferred.
- Experience using AI powered SIOP tools and building a team preferred.
Physical Demands amp; Work Environment
This position may require over 40 hours per week and includes regular physical activity such as:
- Prolonged periods of sitting at a desk and working on a computer
- Frequent use of hands and fingers for typing, data analysis, virtual communication
- Minimal lifting (typically up to 10-15 pounds, such as a laptop, documents, or office supplies)
- May require occasional travel (if applicable), which involves walking, standing, and sitting for extended periods
What We Offer:
We prioritize your well-being from day one with a comprehensive benefits package that includes:
We prioritize your well-being from day one with a comprehensive benefits package that includes:
- Medical, dental, vision, and prescription coverage effective immediately
- 401(k) plan with company contributions
- Life insurance and short-term disability coverage
- HSA/FSA options and an Employee Assistance Program (EAP)
- Paid time off, including vacation, holidays, and personal days
- Weekly pay, employee discounts, and more
Equal Employment Opportunity amp; Pre-Employment Requirements
mSupply is an Equal Opportunity Employer. We make employment decisions without regard to sex, age, race, color, creed, religion, national origin, citizenship or immigration status, sexual orientation, gender identity or expression, disability, genetic information, marital status, veteran or military status, or any other status protected by applicable federal, state, or local law.
We are committed to providing reasonable accommodations for qualified individuals with disabilities and to applicants with sincerely held religious beliefs, in accordance with applicable law. To request a reasonable accommodation, please contact careers@msupply.com.
Final offers of employment may be contingent upon completion of job-related pre-employment checks and screenings permitted by law for the position. For roles that require operation of a company vehicle, a Motor Vehicle Record (MVR) check may also be conducted to determine insurability. This employer participates in E-Verify to confirm employment eligibility in the United States.