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Office administrator​/Sales Associate

Job in Belleville, St. Clair County, Illinois, 62226, USA
Listing for: Oneil Building and Supply
Full Time position
Listed on 2026-01-11
Job specializations:
  • Administrative/Clerical
    Office Administrator/ Coordinator
  • Business
    Office Administrator/ Coordinator
Salary/Wage Range or Industry Benchmark: 20 - 22 USD Hourly USD 20.00 22.00 HOUR
Job Description & How to Apply Below
Position: Office administrator / Sales Associate

Job Posting:
Office Administrator & Inside Sales Associate

Company: Oneil Building and Supply

Location: [Insert City, State]

Position Type: Full-Time

About the Role

Oneil Building and Supply is looking for a sharp, personable, and detail-oriented Office Administrator/Sales Associate to join our team. This is a high-impact role where you will be the voice of our company, a key player in our sales process, and the "engine" that keeps our billing and supply chain moving.

The ideal candidate can pivot from a friendly sales conversation on the phone to the high-precision task of invoicing and order management without missing a beat.

Key Responsibilities
  • Customer Relations & Inbound Sales
    :
    Act as the first point of contact. Handle inbound calls, qualify leads, and provide a professional, helpful experience for potential clients.
  • Invoicing & Billing
    :
    Lead the invoicing process, generate accurate invoices, track payments, and keep accounts receivable updated.
  • Material Order Management
    :
    Navigate vendor platforms to place and track material supply orders, ensuring everything is ordered correctly and scheduled for delivery.
  • Administrative Support
    :
    General office management, including filing, data entry, and maintaining organized digital and physical records.
  • Sales Assistance
    :
    Assist the sales team by preparing quotes and following up with customers to ensure their project needs are met.
What We’re Looking For
  • Quick Books Proficiency
    :
    Familiarity with Quick Books is a major plus. Comfortable navigating the software to create invoices and manage basic bookkeeping tasks.
  • The "People" Factor
    :
    Naturally personable and able to build rapport quickly; make customers feel like they are in good hands.
  • Extreme Attention to Detail
    :
    Accurate in building supplies; catch errors in supply orders or billing statements before they become issues.
  • Inside Sales Experience
    :
    Background in inside or retail sales preferred; comfortable helping a customer find the right product and close the deal.
  • Problem Solver
    :
    Spot delays or discrepancies and proactively find solutions.
Qualifications
  • 2+ years of experience in an office administrative, billing, or customer‑facing role.
  • Proven experience with Quick Books or similar accounting/ERP software.
  • High school diploma required;
    Associate’s degree in Business or Accounting is a plus.
  • Previous experience in construction or building materials is a significant advantage.
Benefits
  • Health insurance
  • Paid time off

Job Type: Full-time

Pay: $20.00 - $22.00 per hour

Expected hours: 40 per week

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Position Requirements
10+ Years work experience
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