Vendor Onboarding & Sourcing Coordinator

WILMOT MODULAR STRUCTURES, INC.; White Marsh (MD); On-site; USD 52,000 - 76,000; Full time

Job summary

WILMOT MODULAR STRUCTURES, INC. in White Marsh, MD is seeking a Sourcing Administrator to support vendor onboarding, COI tracking, insurance document management, and Salesforce/Procore records.

You will assist with subcontractor research, quote collection, and communications with vendors and internal teams to ensure complete, compliant files. The role emphasizes organized file maintenance, follow-up, and collaboration with the Sourcing Manager, branch admins, and project teams.

Qualifications

• High school diploma or equivalent.
• 2–4 years of administrative, procurement, vendor coordination, compliance, contract, or project support experience.

Responsibilities

• Coordinate fully executed onboarding packets including W-9s, vendor information, signed agreements, licenses, certificates of insurance, and required attachments.
• Check required fields, signatures, dates, and legal-entity consistency; escalate incomplete files.
• Maintain vendor contacts, trades, service areas, expiration dates, and follow-up history in Salesforce, Procore, SharePoint, and other approved systems.
• Complete vendor setup and approval status changes after required approvals are documented.
• Research subcontractors and suppliers by trade, geography, and project need; gather capabilities, references, and qualification information.
• Support audits, reporting, data cleanup, and deactivation documentation.

Skills

Attention to detail

Communication

Teamwork

Organization

Problem solving

Education

High school diploma

Associate degree or relevant training

Tools

Microsoft Outlook

Microsoft Word

Microsoft Excel

Microsoft Teams

SharePoint

Salesforce

Procore

Job description

WILMOT MODULAR STRUCTURES, INC. in White Marsh, MD is seeking a Sourcing Administrator to support vendor onboarding, COI tracking, insurance document management, and Salesforce/Procore records.

You will assist with subcontractor research, quote collection, and communications with vendors and internal teams to ensure complete, compliant files. The role emphasizes organized file maintenance, follow-up, and collaboration with the Sourcing Manager, branch admins, and project teams.