Account Payable Accounts Receivable Specialist

Position Summary

Our client is seeking an experienced Accounts Payable / Accounts Receivable & Billing Specialist to support day-to-day accounting and billing operations. The ideal candidate will have hands-on experience managing AP and AR functions, processing invoices and payments, reconciling accounts, and handling customer billing within a Managed Service Provider (MSP) environment.

Experience with Microsoft-related billing, subscriptions, licensing, or Microsoft partner/MSP billing is strongly preferred.

This role requires someone who is organized, detail-oriented, comfortable working with a high volume of transactions, and able to research and resolve billing discrepancies independently.

Key Responsibilities

• Manage day-to-day Accounts Payable and Accounts Receivable activities.
• Review, code, and process vendor invoices for payment.
• Prepare and process customer invoices and recurring billing.
• Manage Microsoft-related billing, including applicable licenses, subscriptions, services, and customer charges.
• Review MSP vendor and customer billing for accuracy.
• Reconcile Microsoft/vendor charges against customer invoices and internal records.
• Process ACH, wire, and other electronic payments.
• Apply and post customer payments accurately.
• Perform bank and account reconciliations.
• Maintain accurate General Ledger coding for invoices and expenses.
• Review customer accounts and prepare statements of account.
• Follow up on outstanding balances and payment status.
• Research short payments, disputed invoices, billing discrepancies, and unapplied payments.
• Maintain supporting documentation for invoices and billing transactions.
• Work with internal teams to confirm billing information, service changes, customer accounts, and applicable charges.
• Maintain accurate accounting notes and customer billing records.
• Assist with month-end reconciliation and reporting as needed.
• Monitor shared accounting/billing inboxes and respond to vendor and customer inquiries.

Qualifications

• 3+ years of experience in Accounts Payable, Accounts Receivable, billing, or a similar accounting role.
• Previous experience working for a Managed Service Provider (MSP) strongly preferred.
• Experience with Microsoft billing, licensing, subscriptions, or Microsoft partner/MSP environments strongly preferred.
• Strong understanding of invoice processing, billing, payment application, and account reconciliation.
• Experience researching and resolving billing discrepancies and payment issues.
• Knowledge of General Ledger coding and basic accounting principles.
• Experience processing ACH and wire payments.
• Proficiency with Microsoft Excel and Outlook.
• Experience with accounting or ERP systems; Sage Intacct or similar platforms is a plus.
• Strong attention to detail and organizational skills.
• Ability to manage multiple accounts, invoices, deadlines, and priorities simultaneously.
• Strong written and verbal communication skills.

Preferred Experience

• MSP, technology services, IT services, or recurring-services billing.
• Microsoft licensing and subscription billing.
• Recurring monthly customer billing.
• Vendor-to-customer billing reconciliation.
• High-volume AP/AR environments.
• Sage Intacct or comparable accounting software.
• Billing dispute investigation and resolution.
• Customer account reconciliation and collections.

Key Skills

Accounts Payable | Accounts Receivable | Customer Billing | Microsoft Billing | MSP Billing | Invoice Processing | Payment Processing | Account Reconciliation | Bank Reconciliation | GL Coding | ACH/Wire Payments | Collections | Billing Disputes | Microsoft Excel | Outlook | Sage Intacct