Senior Demand Planner

Momentous; Park City (UT); Hybrid; USD 90,000 - 130,000; Full time

Benefits offered by this job

401k Match

Unlimited PTO

Finish Line Fridays - finish at 3:00pm

18 holidays observed in 2026

$1,000 annual perks program

Product access and merchandise

Job summary

Momentous in Park City, UT seeks a Senior Demand Planner to own SKU-level forecasts for our retail business and serve as the data backbone for planning reports. You will manage forecasts for each retail account and drive data integrity across master data systems, ensuring accurate S&OP inputs.

This high-ownership role requires building robust Excel models, collaborating with sales, and supporting ERP migration efforts while maintaining data governance across products and accounts.

Qualifications

• 5+ years of demand planning or S&OP experience, including direct retail account-level forecasting.
• Hands-on ERP experience, ideally including an ERP implementation or migration.
• Demonstrated ownership of data accuracy or master data processes in a prior role.
• Advanced Excel modeling — personally builds and audits forecasting models, not just operates templates built by others.
• Fluent in MAPE, bias, and forecast accuracy methodology; comfortable presenting forecast risk in relevant forums.
• Strong working knowledge of retail account dynamics: buyer relationships, POS data, sell-in/sell-through, seasonality.
• Experience with Fulfil.io is a plus.

Responsibilities

• Build and maintain the SKU-level statistical forecast for all retail accounts.
• Lead account-level forecast collaboration: sell-in/sell-through review and POS data reconciliation.
• Run the monthly forecast review cadence with account and sales counterparts.
• Own forecast accuracy (MAPE/bias) and diagnose variance.
• Present forecast risks and opportunities in the monthly S&OP with sales.

Skills

Demand planning

S&OP collaboration

ERP experience

Advanced Excel modeling

MAPE / forecast accuracy

Retail account dynamics

Data governance

Fulfil.io familiarity

Data validation

Education

Bachelor's degree

Tools

Fulfil.io

ERP systems

Job description

Company Overview:

Momentous is a dynamic, fast-growing human performance company offering the highest quality supplements designed to enhance physical and cognitive well-being. At Momentous, we believe that people at their best will produce a positive impact in their personal lives, communities, and, ultimately, the world. No matter our customer's goal or what they want to achieve, we are on a relentless quest to help them get there. We work with some of the greatest minds in science and athletic performance who tap into the latest research and real-world experience to create a portfolio of products designed with one common goal—to help our customers be their best.

What we're proud of:

• Best in the field.We have built an advanced network of world-renowned experts in the field of human performance.
• Trusted and used by the best.We are honored to work with more than 150 teams in professional and NCAA sports, including Stanley Cup Champions, Tour de France winners, and allNFL Teams.
• Push what's possible.Named to the prestigious Inc. 5000 list three years in a row (#392 in 2025) as one of the fastest-growing companies in the US. Ranked #4 in the Rocky Mountain Region in 2025.

Position Summary:

The Senior Demand Planner will own the SKU-level demand plan for Momentous' retail business — managing forecasts for every individual retail account — while serving as the data integrity backbone for the Planning team's reporting and master data.

This is a high-ownership, execution-focused role for an experienced demand planner who wants to run a defined book of business with precision. This role will drive both the numbers and the data quality behind every retail account, with direct visibility into monthly S&OP and a clear mandate to make the demand plan — and the data underneath it — trustworthy.

This role reports to the Director of Planning.

Responsibilities :

Demand Planning

• Build and maintain the SKU-level statistical forecast for all individual retail accounts.
• Lead account-level forecast collaboration: sell-in/sell-through review, POS data reconciliation, promotional and event overlays, and account-specific seasonality.
• Run the monthly forecast review cadence with account and sales counterparts ahead of consensus demand review.
• Own forecast accuracy (MAPE/bias) at the account and SKU level; diagnose and correct root causes of variance.
• Present retail forecast risks and opportunities in the monthly S&OP demand review in partnership with sales.

Master Data & Data Integrity

• Own master data governance for the Planning function: item attributes, account/location hierarchies, unit-of-measure conversions, and item lifecycle (new item setup, discontinuations).
• Audit and maintain the data processes that keep planning reporting accurate — forecast accuracy, bias, exception reports, and S&OP inputs.
• Catch and correct data issues before they reach leadership reporting.
• Partner with IT/Systems on data mapping and validation as Momentous migrates to Fulfil.io, including retail account- and SKU-level data.

Cross-Functional Execution

• Own the Excel-based demand plan model at the retail/SKU layer — this is the primary planning tool today, and strong model-building (not just template use) is essential.
• Support the Fulfil.io ERP transition from the demand planning side: UAT, data validation, and process documentation for retail forecasting workflows.
• Provide backup coverage on other forecast groups during PTO/peak periods, as a secondary responsibility.

Qualifications:

Education & Experience

• 5+ years of demand planning or S&OP experience, including direct retail account-level forecasting; bachelor's degree required.
• Hands-on ERP experience, ideally including an ERP implementation or migration.
• Demonstrated ownership of data accuracy or master data processes in a prior role.
• Advanced Excel modeling — personally builds and audits forecasting models, not just operates templates built by others.
• Fluent in MAPE, bias, and forecast accuracy methodology; comfortable presenting forecast risk directly in an S&OP or executive forum.
• Strong working knowledge of retail account dynamics: buyer relationships, POS data, sell-in/sell-through, seasonality, rep group relationships, and promotional planning.
• Experience with Fulfil.io a plus.

Attributes

• Prefers depth over breadth — motivated to build real expertise in a defined book of business.
• High accountability and strong follow-through; catches issues before they become problems.
• Comfortable owning both the analytical and operational sides of the role — forecasting and data governance alike.
• Growth Mindset and a desire for continuous improvement in their work and process.
• Agility with time management and shifting priorities.
• Our fast-paced, high growth environment creates a strong opportunity for professional development born from evolving experiences
• 401k Match
• Unlimited PTO
• Finish Line Fridays - finish at 3:00 every Friday
• Generous set of observed holidays (18 days of office closure in 2026)
• $1,000 annual perks program to support a high-performance lifestyle
• Access to Momentous products and merchandise

Location:

This is a hybrid role based out of our Park City headquarters.

EQUAL EMPLOYMENT OPPORTUNITY

Momentous provides equal employment opportunities to all employees and applicants for employment and prohibits discrimination and harassment of any type without regard to race, color, religion, age, sex, national origin, disability status, genetics, protected veteran status, sexual orientation, gender identity or expression, or any other characteristic protected by federal, state or local laws. We are committed to bringing together individuals from different backgrounds and perspectives, and providing employees with a safe and welcoming work environment where everyone can thrive. This policy applies to all terms and conditions of employment, including recruiting, hiring, placement, promotion, termination, layoff, recall, transfer, leaves of absence, compensation and training.

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As set forth in Momentous’s Equal Employment Opportunity policy,we do not discriminate on the basis of any protected group status under any applicable law.

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