Bookkeeper - Office Manager

Liberty Personnel Services, Inc.; Springfield Township (Delaware County); On-site; USD 55,000 - 85,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking an experienced Billing, Payroll & Office Manager to oversee customer billing, A/R, union payroll, and daily office operations.

This hands-on role requires a strong construction accounting background, excellent organization, and the ability to manage multiple priorities. You will handle monthly billing, AIA applications, payroll processing, fringe benefit reporting, and maintain records in Sage 300 and Excel, ensuring compliance with union rules and

Qualifications

• AIA billing and construction invoicing experience required.
• Strong A/R and collections experience.
• Union payroll and fringe benefit reporting experience preferred.
• Experience with Sage 300 Construction preferred.

Responsibilities

• Manage monthly customer billing, AIA applications, online billing portals, change orders, and lien waivers.
• Monitor A/R and handle collections and billing discrepancies.
• Process weekly payroll, including union payroll and fringe benefit reporting.
• Maintain payroll and employee records and ensure compliance with union and prevailing wage requirements.
• Maintain customer/vendor records and assist with month-end accounting and reporting.
• Manage day-to-day office operations and provide administrative support to management and project teams.
• Generate reports and maintain accurate records using Sage 300 and Microsoft Excel.

Skills

Billing & invoicing

Accounts receivable

Office management

Payroll processing

Attention to detail

Tools

Sage 300 Construction

Microsoft Excel

Job description

We are seeking an experienced Billing, Payroll & Office Manager to oversee customer billing, accounts receivable, union payroll, and daily office operations. This is a hands‑on role ideal for someone with a strong construction accounting background who is highly organized and comfortable managing multiple priorities.

Responsibilities:

• Manage monthly customer billing, AIA applications, online billing portals, change orders, and lien waivers
• Monitor A/R and handle collections and billing discrepancies
• Process weekly payroll, including union payroll and fringe benefit reporting
• Maintain payroll and employee records and ensure compliance with union and prevailing wage requirements
• Maintain customer/vendor records and assist with month‑end accounting and reporting
• Manage day‑to‑day office operations and provide administrative support to management and project teams
• Generate reports and maintain accurate records using Sage 300 and Microsoft Excel

Qualifications:

• AIA billing and construction invoicing experience required
• Strong A/R and collections experience
• Union payroll and fringe benefit reporting experience preferred
• Experience with Sage 300 Construction desired