Accounts Receivable Specialist, Sage 100 – Freelance

Magic, Inc

Accounts Receivable Specialist responsible for invoicing and collections for a U.S.-based customer-centric company. Providing executive administrative support while ensuring effective communication with clients.

Posted 7/21/2026full-timeRemote • 🇺🇸 United StatesMid-LevelSenior💰 $9 per hourWebsite

Core Competencies

Role fit

Core Competencies

Use this summary to align your resume positioning with the role.

Demonstrates expertise in Accounts Receivable management, including invoicing, cash receipt posting, and dispute resolution, while maintaining accurate records and ensuring compliance with internal controls. Proficient in Sage 100 and Microsoft Excel, with strong communication skills for effective customer interactions.

Highest-signal resume keywords

Accounts Receivable ManagementSage 100 ProficiencyInvoicing and Billing AccuracyCustomer CommunicationExecutive Administrative Support

ATS Keywords

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Applicant Tracking System Keywords

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Hard Skills

Accounts ReceivableInvoicingCash Receipt PostingDispute ResolutionRevenue ReconciliationAging SchedulesFinancial ReportingSage 100Microsoft ExcelERP Systems

Soft Skills

Professional CommunicationAttention to DetailProblem-SolvingConfidentialityTime Management

Tools & Technologies

Sage 100Microsoft ExcelMicrosoft Outlook

Industry Keywords

Accounts ReceivableBilling StatementsCustomer AccountsInternal ControlsStandard Operating Procedures

Tech Stack

Tools & technologies

ERP

About the role

Key responsibilities & impact

Prepare and send accurate invoices and monthly billing statements.
Post cash receipts, record customer payments in Sage 100, and code credit card statements when needed.
Maintain aging schedules, reconcile revenue and customer accounts, and keep AR records up to date.
Monitor overdue balances and execute professional, timely follow-ups via email and phone.
Research and resolve disputes, short-pays, and invoice discrepancies with support from the Collections Manager and internal teams.
Communicate clearly and professionally with customers regarding balances, payments, and billing questions.
Produce AR and customer account reports, including aging, unapplied cash, and reconciliation summaries.
Maintain accurate customer master data (names, addresses, mergers, mailing attention changes).
Ensure documentation and records are audit-ready and aligned with internal controls.
Manage executive calendars, schedule meetings, coordinate travel, and organize inboxes.
Prepare correspondence, reports, presentations, agendas, take meeting minutes, and follow up on action items.
Handle sensitive financial and executive information with discretion and confidentiality.
Partner with internal teams and the Collections Manager to streamline AR workflows in Sage 100.
Identify gaps in billing, payment posting, and collections processes and propose improvements.
Contribute to SOP updates and help maintain consistent service levels.

Requirements

What you’ll need

4+ years in Accounts Receivable or strong hands-on AR experience within an accounting/bookkeeping role.
1+ years of hands-on experience in Sage 100 (2+ years strongly preferred).
Excellent verbal and written English communication for professional, customer-facing collections and dispute resolution.
Proficiency with Microsoft Excel and Outlook; comfort with ERP/accounting systems.
Demonstrated executive administrative support experience (calendars, meetings, travel, agendas/minutes).

Benefits

Comp & perks