Careers at Masis Staffing Solutions

Administrative Assistant

Job ID:102536

Not Ready

Important Notice About the Application Process

This position offers use of our AI screening tool as part of the initial candidate review. While completing the AI screening is optional, please note:

  • Candidates who complete the AI screening are reviewed first—daily.
  • We strongly encourage you to complete it promptly to ensure early consideration (first come, first served).
  • Expect to receive a prompt from our AI screener shortly after applying.

The AI screener helps us streamline the Candidate intake process, but rest assured—you’ll still work directly with a Masis recruiter throughout the rest of your hiring journey.

Masis Staffing is seeking a detail-oriented Administrative Assistant / Billing Clerk to support day-to-day office operations, job file administration, and billing/payroll processes.

Administrative Assistant / Billing Clerk-Worcester, MA

Monday-Friday, 8-5 in office
$20-$25/HR depending on experience


Key Responsibilities
Office Administration

  • Answer phones; handle faxing, typing, filing, copying, emailing, and mail distribution
  • Maintain company forms (Project Manager & Foreman sheets, proposal templates, employee timesheets, etc.)
  • Create memos, correspondence, reports, and other documents as needed
  • Maintain office equipment and order supplies
  • Maintain the Employee Handbook, Anti-Harassment Policy, and other internal policies
  • Prepare new-hire packets and employee folders
  • Ensure information provided to the office manager complies with company policies, procedures, and required controls
  • Perform other duties as assigned

Contract File Administration

  • Assist with job bids and set up new job folders using a color-coded filing system
  • Enter/update customer information in Dataforma
  • Create and maintain client files, including W-9s and Certificates of Insurance
  • Attend weekly production meetings and record meeting minutes
  • Update and maintain Progress Status Reports
  • Prepare job costing reports for management
  • Perform other duties as assigned

Billing / Accounting / Payroll

  • Use Sage 100 Contractor and Dataforma (experience preferred)
  • Accounts Receivable: Generate billing for management review; create invoices; complete billing and/or AIA documents; handle deposits, statements, and reconciliations
  • Payroll: Prepare weekly timesheets for field employees (including Foreman sheets, WO, GPS documentation as applicable)
  • Perform other duties as assigned

Preferred Qualifications

  • Experience with Sage 100 Contractor and/or Dataforma
  • Prior administrative and billing support experience (construction industry strongly preferred)
  • Strong organization, documentation, and follow-through skills
#MFT1
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