Marketplace Operations Manager

A minimum of 5 years of experience in marketplace operations, e-commerce merchandising, or a related field

Strong analytical skills with the ability to interpret sales and inventory data and translate findings into action

Experience managing supplier or vendor relationships in an operational capacity

Proven ability to document processes and create SOPs in a structured, repeatable format

Experience with marketplace platforms (e.g., Amazon, Home Depot, Walmart, or similar) or B2B e-commerce environments

Familiarity with product feed management, catalog systems, or MDM tools

Proactively research and identify new marketplace supplier candidates across target categories, using competitive analysis, industry resources, and internal category gaps as inputs

Conduct initial outreach to prospective suppliers, articulate SupplyHouse’s marketplace value proposition, and manage the early-stage relationship through qualification

Coordinate with Category Management to prioritize and schedule new supplier conversations, ensuring alignment with category strategy before advancing candidates

Own the end-to-end onboarding process for approved suppliers, including agreement coordination, contract administration, data requirements communication, and timeline management

Lead technical feed setup and validation for new suppliers—mapping product data, verifying feed accuracy, and resolving data quality issues prior to go-live

Train new suppliers on SupplyHouse’s systems, data standards, and operational requirements, ensuring they are set up for long-term success on the platform