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Admin Assistant, Billing & Contracts

Muller, Inc.
Reston, VA Full Time
POSTED ON 2/22/2025
AVAILABLE BEFORE 3/22/2025

Title: Admin Assistant, Billing & Contracts

Type: Full Time, Exempt

Location: Reston, VA - hybrid

Reports to: Assistant Director, Billing & Contract

Muller is a full-service Site Work Contractor based in Northern Virginia. Our unique technology and systems-driven approach has led us to become a leading provider of sustainable civil construction services throughout Maryland, Virginia, and DC.

Disclaimer: The following description has been designed to indicate the general nature and essential responsibilities of work performed by employees within this classification. It is not a comprehensive inventory of all duties, responsibilities, and qualifications required.

Responsibilities:

  • Billing and Invoicing:
    • Prepare invoices by accurately entering data from Project Managers' invoice billing cover sheets into QuickBooks.
    • Verify that job information and unit prices align with contracts or signed agreements.
    • Review and address special billing requirements, such as: Emailing invoices to specific contacts (e.g., accounts payable).
    • Preparing AIA forms (G702 & G703) or lien waivers.
    • Submitting invoices through client portals as required.
    • Ensure timely and accurate distribution of invoices to clients.
    • Maintain and update the contract matrix on a daily basis.
    • Monitor outstanding job tickets and collaborate effectively with Project Managers.
    • Generate and submit quarterly backlog reports to the Director of Finance.
  • Contract and Administrative Support:
    • Assist with contract review and entry for both Muller, Inc. and DFM Development Services, LLC, using Salesforce, QuickBooks, and BigTime software.
    • Enter new job information into the Dominion Payroll system.
    • Develop and maintain organized contract files to facilitate periodic reviews.
    • Provide Certificates of Insurance (COIs) to clients upon request.
    • Manage contract prequalification processes and enroll in CCIP & OCIP programs as needed.
    • Monitor and respond to inquiries from shared inboxes.
  • Reporting and Other Responsibilities:
    • Generate and analyze reports using Excel for internal and client purposes.
    • Support DFM's monthly billing process, including preparing reports, communicating with DFM Directors, and managing lien waivers.
    • Handle the distribution and mailing of invoices to clients, including follow-ups via email.
    • Perform additional administrative tasks as assigned.

Required Qualifications:

  • Proficient experience with Microsoft Office Suite is required
  • Excellent time management and organization skills in managing competing priorities and deadlines
  • At least 3 years of billing experience
  • Proficient experience in QuickBooks or other accounting software
  • Able to handle fast-paced work environment.
  • Experience with high volume invoicing

Compensation:

  • Competitive Salary Yearly Bonus
  • Paid Holidays and Vacation
  • Health, Vision, and Dental Insurance plus additional voluntary plans
  • 401K with company match
  • Company phone, computer,
  • Cost covered for all work-related travel

Muller Inc is an Equal Opportunity Employer and makes hiring decisions solely on the basis of merit

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