Jobs · Manufacturing · California

Demand Planner

Sunco.com · Santa Clarita, CA · 4 wk ago
On-siteManufacturing$100k–$120k/yrFull-time

About the role

We are seeking a highly analytical and detail-oriented Demand Planner to drive forecasting and inventory planning across a growing multi-channel business.

The ideal candidate has experience building and managing forecast models, translating complex data into actionable recommendations, and collaborating cross-functionally to align demand plans with sales, supply chain, purchasing, and operational objectives.

Responsibilities

  • Create and maintain demand forecasts across Amazon, e-commerce, retail, wholesale, marketplace, and direct-to-consumer channels.
  • Analyze sales trends, seasonality, inventory levels, promotions, and market activity to improve forecast accuracy and inventory planning.
  • Review system-generated forecasts, apply demand adjustments, and maintain planning assumptions based on business needs and market changes.
  • Maintain planning master data, including forecasts, lead times, safety stock levels, lifecycle status, MOQ assumptions, and channel planning parameters.
  • Monitor inventory health and recommend replenishment actions to reduce stockouts, excess inventory, and allocation issues.
  • Partner with Sales, Purchasing, Supply Chain, Operations, and Finance teams to align demand plans, inventory strategies, and business priorities.
  • Support new product launches and channel expansions through demand forecasting, inventory planning, and readiness assessments.
  • Partner with Purchasing and suppliers on purchase order planning, production schedules, inbound shipments, and inventory positioning.
  • Track and report forecast accuracy, demand variance, inventory exposure, and other key planning KPIs while driving continuous process improvement.
  • Support hedge-buy and inventory investment decisions related to tariffs, pricing changes, freight volatility, supply constraints, and anticipated demand shifts.

Requirements

  • 3–5 years of experience in demand planning, demand management, forecasting, inventory planning, or supply chain planning, with responsibility for item-level forecasts across multiple sales channels, including e-commerce, marketplace, retail, wholesale, and/or direct-to-consumer.
  • Strong knowledge of demand planning principles, including sales velocity, seasonality, lead times, safety stock, forecast accuracy, demand variance, inventory allocation, replenishment planning, and stockout/excess inventory risk management.
  • Experience using demand planning software, ERP systems, inventory planning tools, advanced Excel, forecasting models, and AI-driven tools or automation to improve forecasting, reporting, data analysis, and planning workflows.
  • Proven ability to review and adjust system-generated forecasts, apply demand overrides, document planning assumptions, and translate data into actionable inventory and purchasing recommendations.
  • Excellent cross-functional communication and collaboration skills, with experience partnering with Sales, Purchasing, Supply Chain, Operations, Marketplace, and Finance teams to align forecasts and inventory strategies.

Qualifications

  • Proven experience in creating and maintaining demand forecasts across Amazon, retail, wholesale, marketplace, and direct-to-consumer channels.
  • Strong understanding of demand planning principles and their application in various business environments.
  • Experience with demand planning software and tools, including ERP systems, inventory planning tools, and advanced Excel.
  • Ability to analyze sales trends, seasonality, inventory levels, promotions, and market activity to improve forecast accuracy.
  • Strong communication and collaboration skills, with experience working effectively with cross-functional teams.

Skills

  • Advanced proficiency in Excel and demand planning software.
  • Strong analytical and problem-solving skills.
  • Excellent communication and collaboration skills.
  • Experience with inventory management and supply chain optimization.

Benefits

  • Comprehensive Health and Wellness Coverage
  • 401(k) with Company Match
  • Flexible Spending Accounts (FSAs)
  • Paid vacation, holidays, and sick leave
  • Employee Assistance Program (EAP)
  • Team Building Activities

Similar jobs

Demand Planner

Bauer HockeyExeter, NH· 3 days ago
apply on job-boards.greenhouse.io

Demand Planner

Butcher Power ProductsRancho Cordova, CA· 2 days ago
Managementapply on jobs.gem.com

Demand Planner

Sealed Air CorporationCharlotte, NC· 4 wk ago
Manufacturing$75k–$128k/yrapply on jobs.sealedair.com

Demand Planner

ProAmpacUnited States· 1 mo ago
RemoteManagementapply on proampac.rec.pro.ukg.net

Demand Planner

GlanbiaDowners Grove, IL· 1 mo ago
Analyst$75k–$95k/yrapply on glanbia.contactrh.com

Demand Planner

The Gorilla Glue CompanyCincinnati, OH· 1 mo ago
Manufacturingapply on paycomonline.net