Planning Manager, Replenishment & Planning Systems

Peter Millar•Durham, NC

10d

About The Position

Peter Millar is seeking a Planning Manager to lead our replenishment business while serving as the business owner and governance lead for our enterprise planning systems. This is a high-impact role that blends analytical rigor, cross-functional leadership, and systems ownership. The individual will be responsible not only for driving inventory health and financial performance, but also for ensuring our planning tools are structured, adopted, and optimized to support long-term growth. This role has dual accountability: 1. Own the replenishment strategy and inventory performance for our core, year-round styles across channels. 2. Serve as the business systems owner for our planning platform ecosystem, ensuring consistency, governance, and continuous improvement as we expand into Demand Forecasting, Allocation, and Assortment Planning capabilities.

Requirements

Strong analytical capability with advanced Excel proficiency
Experience operating within modern planning systems
Ability to balance strategic thinking with detailed execution
Comfortable driving structure and governance in a growing environment
Strong cross-functional communication and influence skills
Entrepreneurial mindset with the ability to build and refine processes
Advanced or Expert in Microsoft Excel (familiar with: creating variables, power query editor, and data models)
Familiarity with forecasting methodologies and statistical models
Bachelor’s degree in Business, Finance, Analytics, or related field
3–5 years of merchandise planning, demand planning, or inventory planning experience (apparel or footwear preferred)
Experience working within enterprise planning systems (e.g., Impact Analytics, Anaplan, Blue Yonder, etc.)
Experience supporting or administering planning systems is strongly preferred

Responsibilities

Own SKU-level demand forecasts and replenishment planning for core product across all channels
Manage open-to-buy and ensure purchase orders align to financial targets
Partner with Supply Planning to ensure accurate inbound timing and balanced inventory across distribution centers
Develop long-range demand forecasts to inform capacity planning and safety stock strategy
Set and manage safety stock targets by SKU; communicate required adjustments to Production and Sourcing teams
Lead quarterly replenishment assortment reviews with Planning, Design, and Commercial leadership to evaluate GMROI, margin, and productivity
Serve as business owner of the Merchandise Financial Planning (MFP) platform and future modules (Demand Forecasting, Allocation, Assortment Planning)
Establish and enforce governance standards including: Seasonal setup protocols, Data integrity rules, Process consistency across users
Lead cross-functional requirements gathering and future-state workflow design
Translate business needs into clear functional requirements for IT and vendor partners
Maintain and prioritize a backlog of enhancements based on business impact
Ensure high adoption through training, documentation, and user enablement
Partner with IT to resolve technical issues and optimize performance
Monitor system data accuracy, planning inputs, and forecasting outputs
Serve as escalation point for planning system questions
Develop and maintain documentation including SOPs, FAQs, and training guides
Champion disciplined planning processes and best practices across teams
Drive continuous improvement in forecasting accuracy and inventory productivity