Internship Demand Planning Manager Jobs (NOW HIRING)

About the Role:

Are you ready to take the lead in driving supply chain excellence? We’re looking for a Demand Planning Manager to optimize inventory and lead supply planning across key product categories. In this role, you’ll ensure alignment between customer demand, operational capabilities, and financial goals, using MRP/ERP systems to balance service levels, working capital, and total supply chain cost.

As a critical leader within our supply chain team, you’ll collaborate with Operations, Manufacturing, Logistics, Finance, and external vendors to drive execution and continuous improvement. You’ll play a key role in the S&OP process, providing data-driven insights, managing supply risks, and ensuring successful delivery of business objectives.
Location: Onsite Chino, CA 
Salary Range: $110,000–$120,000
What You’ll Do:

• Own and execute end-to-end supply plans across assigned categories, ensuring optimal inventory levels and service performance
• Build and maintain relationships with customers to understand their product preferences, sample requirements, and expectations for new items.
• Oversee product lifecycle planning, including phase-ins, phase-outs, and end-of-life inventory strategies
• Provide guidance, coaching, and potential oversight of business analysts and cross-functional contributors as the team scales
• Lead supply planning processes and drive alignment across cross-functional stakeholders
• Manage purchase order lifecycle, including creation, timing, expediting, and financial impact in partnership with Procurement and Finance
• Establish and maintain supply planning parameters (lead times, safety stock, reorder points, MOQs) to improve system accuracy and performance
• Monitor and report on inventory health, service levels, and working capital metrics; proactively adjust plans to meet targets
• Identify supply risks, constraints, and capacity gaps; develop mitigation strategies and communicate impacts to leadership
• Serve as a key contributor and facilitator in the monthly S&OP process, including demand-supply reconciliation, scenario planning, and executive readiness
• Collaborate with Manufacturing, Logistics, and vendor partners to resolve supply issues, improve lead times, and enhance reliability
• Lead supply planning support for new product introductions (NPI), including launch readiness and ramp-up strategies
• Drive continuous improvement initiatives to enhance planning processes, reduce costs, and improve forecast accuracy and service levels
• Develop and deliver insights, reporting, and presentations to leadership to support strategic decision-making

• Bachelor’s degree in Supply Chain, Operations, Business, Engineering, or related field
• 5–8+ years of experience in supply planning, production planning, inventory management, or related supply chain roles
• Experience operating in a consumer products environment supporting retail and/or eCommerce channels
• Demonstrated expertise in MRP/ERP systems (SAP, NetSuite, Oracle, or similar)
• Advanced Excel skills (pivot tables, XLOOKUP, data modeling)
• Strong understanding of supply chain fundamentals including inventory theory, lead time management, and demand-supply balancing
• Experience participating in and influencing S&OP processes
• Proven ability to lead cross-functional initiatives and influence stakeholders
• Prior experience mentoring or informally leading others preferred
• Bilingual in English and Mandarin preferred

At Nexgrill, we’re all about bringing people together around the grill. Since 1993, we’ve been crafting quality outdoor cooking products—gas grills, charcoal grills, griddles, and more—designed to create memorable moments. With expertise in stainless steel, cast aluminum, and more, we deliver top-tier products at competitive prices.

What We Offer:

100% employer-paid HMO health care plan

Voluntary Benefits: Dental, Vision, Term Life, Accident, Critical Illness and Pet Insurance

401(K) Safe Harbor Plan for your future

Generous paid time off for work-life balance

Growth through training and development

Fun, engaging work environment

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