Marketplace Onboarding Manager

SupplyHouse.com

. Research and identify new marketplace supplier candidates across target categories .

Posted 10/19/2026full-timeRemote • United StatesMid-LevelSenior💰 $92,940 - $116,175 per yearWebsite

Core Competencies

Role fit

Core Competencies

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Demonstrates expertise in marketplace operations and supplier management, with strong analytical skills to interpret data and drive actionable insights. Proficient in process documentation and cross-functional coordination to ensure successful supplier onboarding and performance monitoring.

Highest-signal resume keywords

Marketplace Operations ExperienceSupplier Relationship ManagementData Analysis and InterpretationProcess Documentation and SOP CreationMicrosoft Excel Proficiency

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Data AnalysisSupplier OnboardingProduct Feed ManagementE-Commerce MerchandisingData CleanupInventory ManagementOperational Project ExecutionContract ManagementTechnical Feed SetupClaims and Warranty Processes

Soft Skills

Clear CommunicationOrganizational SkillsProblem-SolvingCross-Functional CoordinationAdaptability

Tools & Technologies

Marketplace PlatformsMDM ToolsReporting ToolsData SystemsSupplier Dashboard

Industry Keywords

E-CommerceB2BPlumbingHVACTrade Supply DistributionMerchandisingCategory ManagementOperational CapacityData QualitySOPs

About the role

Key responsibilities & impact

Research and identify new marketplace supplier candidates across target categories
Conduct outreach to prospective suppliers, communicate SupplyHouse’s marketplace value proposition, and manage qualification
Coordinate with Category Management to prioritize supplier conversations
Own end-to-end onboarding for approved suppliers, including agreements, contracts, data requirements, and timelines
Lead technical feed setup and validation, including product-data mapping and data-quality resolution
Train suppliers on SupplyHouse’s systems, data standards, and operational requirements
Serve as primary supplier contact through onboarding and resolve issues to meet go-live milestones
Document onboarding processes and maintain SOPs
Develop and maintain claims, warranty, and returns processes
Monitor post-launch supplier performance and escalate service, data-quality, and accounting issues
Review weekly feeds for new item suggestions and coordinate additions with Category Management
Research competitor listings and identify content, imagery, and positioning improvements
Conduct image audits and data cleanup, including attribute and filter updates
Test and document marketplace features and supplier-dashboard capabilities
Execute operational projects involving data cleanup, content audits, and cross-system reconciliation
Coordinate with Merchandising, Pricing, Supply Chain, Customer Service, order fulfillment, and Product Catalog teams
Respond to escalated marketplace customer inquiries and review returns for trends
Reconcile freight and non-freight shipping discrepancies and update item dimensions
Monitor out-of-stock items and support price updates to align SupplyHouse and supplier pricing

Requirements

What you’ll need

Bachelor's degree in Business, Marketing, Merchandising, or a related field (or equivalent professional experience)
A minimum of 3-5 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
Proficiency in Microsoft Excel and comfort working across multiple data systems and reporting tools
Experience managing supplier or vendor relationships in an operational capacity
Strong organizational skills with the ability to manage multiple workstreams and shifting priorities
Clear written and verbal communication skills with the ability to coordinate across cross-functional teams
Proven ability to document processes and create SOPs in a structured, repeatable format
Currently authorized to work in the U.S. on a full-time basis; SupplyHouse.com will not sponsor work visas
Willingness to travel to headquarters in Melville, NY three times per year
Ability to work Monday through Friday, 8:00 a.m. to 5:00 p.m., with time zone flexibility
Experience with marketplace platforms or B2B e-commerce environments (preferred)
Familiarity with product feed management, catalog systems, or MDM tools (preferred)
Experience in plumbing, HVAC, or trade supply distribution (a plus)

Benefits

Comp & perks

Comprehensive and affordable medical, dental, vision, and voluntary life insurance options
401(k) with up to 4% company match
Paid vacation, sick time, and holidays
Company-paid basic life insurance and long-term disability
Discounted auto, home, and pet insurance programs
Flexible Spending Account (FSA)
Confidential mental health, financial planning, and legal support through our Employee Assistance Program (EAP)
Company-provided equipment and one-time $250 work from home stipend
$750 annual professional development budget
$25 monthly Grubhub credit
Company rewards and recognition program
Ownership for All program with financial benefit from company growth and accomplishments
Wellness initiatives and Flex-Time Policy
Annual merit and bonus opportunities
Hands-on training
Diversity and inclusion initiatives
Internal mobility options
Volunteer Paid Time Off
Donation drives and employee-nominated contributions
Monthly town halls, regular 1:1 check-ins, employee listening initiatives, and company-wide ideas form