E-Commerce Marketplace Manager

Real people. Real service.

At SupplyHouse.com, we value every individual team member and cultivate a community where people come first. Led by our core values of G enerosity, R espect, I nnovation, T eamwork, and GRIT, we’re dedicated to maintaining a supportive work environment that celebrates diversity and empowers everyone to reach their full potential. As an industry-leading e-commerce company specializing in HVAC, plumbing, heating, and electrical supplies since 2004, we strive to foster growth while providing the best possible experience for our customers.

We are looking for an E-Commerce Marketplace Manager (or a Marketplace Operations Manager as we like to call it!) to join our Product Team. This individual will report into our Senior Manager, Category Management and will be responsible for the day-to-day operational health of SupplyHouse’s third-party marketplace channel. This role ensures that marketplace performance is continuously monitored, supplier onboarding is executed efficiently, and catalog and listing quality standards are upheld. If you are interested in finding and onboarding new marketplace suppliers and building a pipeline of qualified partners, we want to hear from you!

This remote position is open to individuals who live in, or are open to relocating to, the following states: Arizona, Delaware, Florida, Georgia, Kentucky, Nevada, New Jersey, New York, North Carolina, Ohio, Rhode Island, South Carolina, Tennessee, Texas, Virginia, and Washington.

This position requires travel to our headquarters in Melville, NY 3 times per year for internal meetings and team building activities. We reimburse reasonable and necessary travel expenses, and you’re also welcome to work on-site anytime beyond these visits – our doors are always open.

Role Type: Full-Time, Exempt

Location: Remote

Schedule: Monday through Friday, 8:00 a.m. to 5:00 p.m. with time zone flexibility

Base Salary: The expected starting salary for the position is $92,940 to $116,175 within a full position range of $92,940 to $139,410 annually. This range reflects the long-term earning potential for the role. Our starting pay practice is the minimum to middle portion of the range, depending on experience, qualifications, and internal equity, consistent with applicable law and it is rare for a new hire to start above the midpoint.

Responsibilities:

• 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
• Serve as the primary point of contact for new suppliers through the onboarding period, troubleshooting issues and maintaining momentum to hit go-live milestones
• Document onboarding processes and maintain SOPs to ensure consistent, repeatable execution as the supplier base grows
• Develop and maintain claims, warranty, and returns processes for marketplace suppliers, ensuring clear guidelines and consistent execution across the supplier base
• Monitor post-launch supplier performance and flag issues with service levels, data quality, or accounting discrepancies for resolution
• Review weekly feeds for new item suggestions and coordinate with Category Management on additions
• Research competitor listings to identify opportunities for improvement in content, imagery, and positioning
• Conduct image audits and data cleanup including attribute and filter updates on new brand
• Own SOP creation and ongoing maintenance for marketplace operational workflows
• Test and document new marketplace features and platform capabilities within the supplier dashboards
• Execute ad hoc operational projects including data cleanup, content audits, and cross-system reconciliation
• Coordinate cross-functionally with Merchandising, Pricing, and Supply Chain teams to resolve issues and support execution
• Respond to basic marketplace customer inquiries escalated from Customer Service or order fulfillment, and review processed returns to identify trends
• Reconcile discrepancies between freight and non-freight shipping methods and partner with Product Catalog to update item dimensions as needed
• Monitor out-of-stock items and communicate gaps to the Merchandising team; support price update processes to maintain alignment between SupplyHouse and supplier pricing

Requirements:

• Bachelor's degree in 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

Preferred Qualifications:

• 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
• Experience in plumbing, HVAC, or trade supply distribution is a plus

Why work with us:

• We have awesome benefits – We offer a wide variety of benefits to help support you and your loved ones. These include:
  • 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
  • And more!
• We empower ownership – We all contribute to our success and we all share in it. Our Ownership for All program ensures each SupplyHouse team member will benefit financially from the company’s growth and accomplishments.
• We promote work-life balance –We value your time and encourage a healthy separation between your professional and personal life to feel refreshed and recharged. Look out for our wellness initiatives and ask about our Flex-Time Policy!
• We support growth –We encourage you to embrace continuous learning and take on new challenges. In an exciting and evolving industry, we provide opportunities for career growth through our annual merit and bonus opportunities, hands-on training, diversity and inclusion initiatives, internal mobility options, and professional development budget.
• We give back – We live and breathe our core value, Generosity, by giving back to the trades and organizations around the world. We make a difference through donation drives, employee-nominated contributions, support for non-profit organizations, Volunteer Paid Time Off, and more.
• We listen – We value hearing from our employees. Everyone has a voice, and we encourage you to use it! We actively elicit feedback through our monthly town halls, regular 1:1 check-ins, employee listening initiatives, and company-wide ideas form to incorporate suggestions and ensure our team enjoys coming to work every day.

Check us out and learn more at: !

Additional Details:

• Remote employees are expected to work in a distraction-free environment. Personal devices, background noise, and other distractions should be kept to a minimum to avoid disrupting virtual meetings or business operations.
• Applicants must be currently authorized to work in the U.S. on a full-time basis. SupplyHouse.com will not sponsor applicants for work visas.
• SupplyHouse.com is an Equal Opportunity Employer. We welcome and encourage individuals of all backgrounds, experiences, and perspectives to apply. Employment decisions are based on qualifications, merit, and business needs.
• To ensure fairness and trust in our hiring process, we ask that all application materials, assessments, and interview responses reflect your own thinking and perspective. You may use AI tools to assist in preparing your responses, as long as this use is clearly disclosed and you can speak authentically to your ideas and work. Our focus is on honesty, judgment, and how you approach problem-solving. We appreciate your transparency and look forward to learning more about your skills.
• We are committed to providing a safe and secure work environment and conduct thorough background checks on all potential employees in accordance with applicable laws and regulations.
• All emails from the SupplyHouse team will only be sent from an @supplyhouse.com email address. Please exercise caution if you receive an email from an alternate domain.