Senior Manager, Integrated Business Planning (IBP)

Clearly Filtered, Inc.•Rancho Santa Margarita, CA

1d•$110,000 - $145,000•Onsite

About The Position

The Senior Manager, Integrated Business Planning (IBP) is the architect and owner of our end-to-end planning process, spanning demand, supply, and S&IOP. This role sits at the center of the business, translating revenue goals, product launches, and channel strategies into clear, actionable inventory and supply plans. You’ll partner closely with Finance and Growth to ensure we have the right product, in the right place, at the right time, without tying up unnecessary cash. This is a senior individual contributor role for someone who thrives in both strategy and execution. You’ll build the frameworks, own the data, and drive alignment across the company. This role is based in Rancho Santa Margarita, CA. Candidates should only apply if they are able to work onsite at least 3 days per week.

Requirements

7+ years in supply planning, demand planning, or IBP (CPG, DTC, or e-commerce strongly preferred)
Experience owning or driving an S&OP/IBP process
Deep expertise in forecasting and inventory optimization
Strong financial acumen (cash, margin, working capital)
Advanced Excel/Google Sheets modeling skills (statistical functions, scenario modeling)
Experience working with BI tools (Looker, Tableau, Power BI, etc.)
Proven ability to work cross-functionally and influence without direct authority
Experience building models and working with messy, multi-source data

Nice To Haves

ERP/inventory system implementation experience
Multi-channel planning experience (DTC, Amazon, wholesale, international)
Background in high-growth environments

Responsibilities

Translate demand forecasts into supply plans, what to buy, when, and from whom
Set and manage inventory targets, safety stock levels, and reorder points
Optimize inventory across our fulfillment network (in-house + 3PL)
Monitor inventory health (turns, weeks of supply, excess/obsolete) and drive action
Partner with Sales and FP&A to build and refine forecasts across SKUs and channels
Incorporate historical trends, promotions, launches, and growth plans
Improve forecast accuracy and identify root causes of variance
Build scenario models to assess upside/downside risk
Own and run the monthly S&IOP cadence (demand review → supply review → exec IBP)
Facilitate cross-functional alignment and decision-making
Build reporting that makes planning clear, actionable, and trusted
Drive adoption and consistency across teams
Lead or heavily contribute to ERP/inventory system evaluation and implementation (FY26 priority)
Define requirements and partner with technical teams on execution
Ensure data is clean, connected, and usable across systems
Align inventory plans with cash flow, working capital, and budget targets
Provide accurate inventory forecasts and purchase commitments
Surface opportunities to improve margin and efficiency
Build and own forecasting models, dashboards, and planning infrastructure
Develop safety stock models (e.g., King’s Method) accounting for demand and lead time variability
Pull and synthesize data from multiple systems (Shopify, 3PLs, supplier portals)
Translate complex analysis into clear recommendations for leadership