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Accounting & Billing Coordinator

Building Theory LLC · Miami, Florida · Posted Jun 15, 2026

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Position Summary

We are seeking a highly organized and detail-oriented Finance & Billing Coordinator to manage the full financial administration cycle, including estimates, proposals, invoicing, accounts receivable, collections, and financial reporting. This position plays a critical role in supporting project managers and leadership by ensuring accurate pricing, timely billing, efficient collections, and proper financial documentation.

The ideal candidate is proactive, analytical, detail-oriented, and comfortable communicating with both clients and internal teams regarding financial matters.

Key Responsibilities

Estimating & Proposal Preparation

  • Prepare client estimates, quotations, and project proposals.
  • Review project scope, labor hours, and pricing information to develop accurate estimates.
  • Coordinate with project managers and leadership to gather pricing and project data.
  • Update and maintain estimate templates and pricing databases.
  • Track estimate approvals and revisions.

Billing & Invoicing

  • Generate and issue invoices accurately and on schedule.
  • Review contracts, purchase orders, and project milestones for billing requirements.
  • Verify invoice accuracy prior to submission.
  • Track invoice status and payment schedules.
  • Ensure timely submission of all client invoices.

Accounts Receivable & Collections

  • Monitor aging reports and outstanding balances.
  • Follow up on overdue invoices via email and phone.
  • Maintain collection records and payment status reports.
  • Resolve billing discrepancies and payment issues.
  • Escalate collection concerns to management when necessary.

Financial Coordination

  • Reconcile payments received against invoices.
  • Maintain organized financial records and supporting documentation.
  • Prepare weekly and monthly accounts receivable reports.
  • Assist with cash flow tracking and financial forecasting.
  • Support month-end reporting and administrative accounting functions.

Client & Internal Communication

  • Serve as the primary point of contact for estimates, billing, and payment inquiries.
  • Coordinate with project managers, engineers, and leadership regarding project financials.
  • Maintain professional client relationships while managing collections and payment follow-ups.

Qualifications

  • 2+ years of experience in estimating, billing, accounts receivable, finance, accounting, or project administration.
  • Strong proficiency in Microsoft Excel and Microsoft Office.
  • Experience creating estimates, proposals, and invoices.
  • Excellent written and verbal communication skills.
  • Strong organizational and time-management abilities.
  • Ability to manage multiple projects simultaneously.
  • Experience with QuickBooks, Sage, NetSuite, or similar accounting software is a plus.

Preferred Experience

  • Construction, engineering, architecture, consulting, or professional services industries.
  • Contract-based billing and project invoicing.
  • Client collections and accounts receivable management.

Key Performance Indicators (KPIs)

  • Estimates issued accurately and on time.
  • Invoice turnaround time.
  • Accounts receivable aging performance.
  • Collection of past-due invoices.
  • Accuracy of billing and proposal documentation.
  • Client response and follow-up efficiency.

Pay: From $20.00 per hour

Work Location: In person

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