[Skip to main content](#main-content) [OpenNash Jobs](https://jobs.opennash.com/) [Hiring report](/reports/hiring/) · [All Vertiv Holdings jobs](https://jobs.opennash.com/companies/vertiv-holdings/) · [Search jobs](/search/) Vertiv Holdings · Westerville, OH # SIOP Supply Planning Manager- Thermal Management Westerville, OH, United States Manager or lead Executive & Management Listed on Vertiv Holdings’s official careers site. Posted October 1, 2026. Check that it is still open and apply there. [Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20283341) [OpenNash Jobs](https://jobs.opennash.com/) / [Vertiv Holdings](https://jobs.opennash.com/companies/vertiv-holdings/) / SIOP Supply Planning Manager- Thermal Management ## Job description ### POSITION SUMMARY The SIOP Supply Planning Manager is responsible for driving the supply planning and execution processes within the Sales, Inventory & Operations Planning (SIOP) framework for the Thermal product portfolio. This role ensures supply plans are synchronized with demand signals, production capacity, and inventory strategies to achieve customer service, cost, and working capital objectives. The planner partners closely with manufacturing sites, procurement, demand planning, and business operations to ensure robust, feasible supply plans that align with business priorities. ### RESPONSIBILITIES Develop and maintain the supply plan within the SIOP process, balancing demand, supply, and inventory for the Thermal Management business. Translate demand plans into production and material requirements in collaboration with factories, buyers, and suppliers. Lead supply reviews to highlight risks, constraints, and mitigation plans; communicate trade-offs to stakeholders. Monitor and manage inventory health, including safety stock levels, excess, and obsolescence for assigned products. Collaborate with manufacturing and procurement to identify and address capacity or material constraints. Participate in monthly SIOP cycles, providing data and insights for supply, demand, and reconciliation meetings. Partner with finance and operations to align supply planning assumptions with budget and forecast cycles. Drive continuous improvement in planning processes, system parameters, and cross-functional communication. Support new product introductions and product transitions, ensuring seamless integration into the supply plan. Track and report key supply metrics, including on-time delivery, supply adherence, and inventory performance. ### QUALIFICATIONS Bachelor’s degree in Supply Chain, Operations Management, Industrial Engineering, or related field (Master’s preferred). 3–5 years of experience in supply planning, SIOP/IBP, or production planning within a manufacturing or industrial environment. Strong understanding of end-to-end supply chain processes and SIOP principles. Experience with ERP and planning systems (e.g., SAP, Kinaxis, OMP, or equivalent). Proficiency in data analysis and reporting tools (Excel, Power BI, Tableau). Excellent communication and collaboration skills; able to work cross-functionally and influence without authority. Analytical mindset with the ability to interpret complex data and make sound decisions. APICS/ASCM CPIM or CSCP certification is a plus. PHYSICAL & ENVIRONMENTAL DEMANDS The role is primarily based in an office environment but may requiring site visits and interaction with production teams. Required to wear personal protective equipment (PPE) and adhere to safety protocols. The role involves extended periods of sitting in front of a computer. Occasional standing or walking may be required during meetings, presentations, or site visits. Work is primarily conducted in an office environment with controlled temperature and lighting. TIME TRAVEL REQUIRED Up to 25% across US plants and Mexico. ## At a glance - Posted by the employer: Oct 1, 2026 - First seen by OpenNash: Oct 10, 2026 - Last checked: Oct 18, 2026 - Listed for: 17 days - Location: Westerville, OH, United States[Apply on Vertiv Holdings’s careers site →](https://egup.fa.us2.oraclecloud.com/hcmUI/CandidateExperience/en/sites/CX/job/20283341) ## More jobs at Vertiv Holdings ### [Application Engineer - Thermal Management](https://jobs.opennash.com/companies/vertiv-holdings/jobs/0abe5a323c179e9f9681/) Westerville, OH, United States ### [Controls Deployment Leader – Thermal Management](https://jobs.opennash.com/companies/vertiv-holdings/jobs/cee25d400cc22ebcec03/) Westerville, OH, United States ### [Director, Inventory Strategy and Planning](https://jobs.opennash.com/companies/vertiv-holdings/jobs/e876b73e13f187b215c5/) Westerville, OH, United States ### [Director, Large Program Execution](https://jobs.opennash.com/companies/vertiv-holdings/jobs/b093a98b524c0eb76c6c/) Westerville, OH, United States ### [Director, Solution Architect-High Density Power](https://jobs.opennash.com/companies/vertiv-holdings/jobs/6d511812cd486c1cd645/) Westerville, OH, United States ## Similar jobs at other companies ### [SIOP Supply and Capacity Manager](https://jobs.opennash.com/companies/lockheed-martin/jobs/ba012d28fc3909c2761f/) Lockheed Martin · Grand Prairie, TX, Orlando, FL, Troy, AL, Camden, AR, Ocala, Chelmsford, MA, Goleta, CA, Archbald, PA, Lufkin ### [Assoc Dir - Materials Planning, SIOP - SIOP Digital Partner (CSA)](https://jobs.opennash.com/companies/carrier-global/jobs/e059ac8c9800ef3ce729/) Carrier Global ·: CCS - CIB, Palm Beach Gardens, FL ### [Supply Planning Consulting Manager](https://jobs.opennash.com/companies/ntt/jobs/e96bcb9d0f4c50299eee/) NTT · Atlanta, GA, US, United States ### [Supply Chain Planning Advisor](https://jobs.opennash.com/companies/cardinal-health/jobs/faee8704e32712dcfb32/) Cardinal Health · Riverview, FL ### [Advisor, Supply Chain Demand Planning](https://jobs.opennash.com/companies/cardinal-health/jobs/4c63112d3c3b1e1f5813/) Cardinal Health · Dublin, OH OH OpenNash lists jobs from employers’ own careers sites and does not handle applications. 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