Accounting Clerk AP / AR

Liberty Personnel Services, Inc.; Elmwood Park (NJ); On-site; USD 36,000 - 60,000; Full time

Job summary

Liberty Personnel Services, Inc. is seeking an Accounting Clerk AP/AR for an in-office role in Saddle Brook, NJ. The position requires 1–3 years of hands-on AP, AR, or bookkeeping experience, with high attention to detail and strong Excel skills.

Experience with accounting software or ERP systems is preferred. You will process invoices, reconcile accounts, schedule payments, and assist with customer billing for commercial and municipal clients.

Qualifications

• 1–3 years hands-on AP, AR, bookkeeping experience.
• High School Diploma or equivalent; associate degree preferred.
• Experience using accounting software or ERP systems.
• Proficiency in Excel, data entry, and basic formulas.
• Strong accuracy, organization, and communication with vendors and staff.

Responsibilities

• Process high volumes of vendor invoices and match with PO/receiving docs.
• Research and resolve pricing, quantity, or tax discrepancies with vendors.
• Assist with weekly check runs and schedule ACH/wire payments.
• Reconcile vendor statements and maintain balances.
• Prepare customer invoices for commercial/municipal clients.
• Post payments to customer accounts and monitor aging reports.
• Maintain organized physical and electronic records.
• Assist with month-end journal entries and expense processing.

Skills

Accounts payable

Accounts receivable

Bookkeeping

Excel

Data entry

Vendor communication

Education

High School Diploma

Associate degree in Accounting or Business

Tools

Accounting software

ERP systems

Job description

Accounting Clerk AP / AR[ Temp to Hire ]

In-Office | Saddle Brook, NJ

Accounting Clerk with 1–3 years of experience in high-volume accounts payable, accounts receivable, or general bookkeeping. The primary responsibility is processing vendor invoices, reconciling accounts, coordinating payments, and supporting customer billing for a commercial and municipal service operation. Construction, HVAC, plumbing, or industrial services experience is a plus.

Requirements:

• US Citizenship or Permanent Residency (Green Card) is Required.

1–3 years of hands-on AP, AR, bookkeeping, or general accounting experience.

High School Diploma or equivalent required; associate’s degree in Accounting or Business preferred.

Experience using accounting software or ERP systems.

Proficiency in Microsoft Excel, including data entry, basic formulas, and filtering.

Strong data entry accuracy, attention to detail, and organizational skills.

Professional communication skills for working with vendors, customers, and internal staff.

Responsibilities:

Process high volumes of vendor invoices, matching invoices against purchase orders and receiving documents.

Research and resolve discrepancies involving pricing, quantities, and sales tax with vendors and project managers.

Assist with weekly check runs and schedule ACH and wire payments.

Reconcile vendor statements and maintain current account balances.

Prepare customer invoices for commercial and municipal clients using completed service tickets.

Post incoming check and ACH payments to customer accounts.

Monitor aging reports and follow up on overdue invoices by phone and email.

Maintain organized physical and electronic accounting records.

Assist with month-end journal entries, credit card reconciliations, and expense report processing.