AR Administrator

Position Title

Senior Administrator, Accounts Receivable

Reston, VA (Onsite)

Permanent Hire

$70,000 – $85,000 / year

Monday – Friday, 9:00 AM – 5:00 PM

This position is eligible for Medical, Dental, Vision, and 401(k)

ADDISON GROUP is partnering with a client to identify a Senior Administrator, Accounts Receivable to support day-to-day AR operations within a structured, high-volume environment. This role is responsible for processing customer payments, resolving deductions, managing collections activity, and maintaining accurate financial records. The ideal candidate is highly independent, detail-oriented, and comfortable taking full ownership of assigned accounts. This position will work closely with internal accounting, sales, logistics, and customer service teams, as well as external customers, to ensure timely and accurate resolution of billing and payment issues.

• Process customer payments including checks and ACH transactions accurately and timely
• Prepare daily cash reconciliations and ensure system balances align with bank activity
• Research, code, and resolve trade and non-trade deductions, including chargebacks, pricing discrepancies, and shortages
• Investigate payment discrepancies and obtain supporting documentation from customers, brokers, or carriers
• Monitor accounts receivable aging and manage collection efforts to ensure timely payment
• Prepare customer statements, AR aging reports, and ad hoc reporting as needed
• Create debit memos, credit memos, and adjustment entries
• Collaborate cross-functionally with accounting, customer service, logistics, and sales teams
• Support month-end close activities and assist with journal entries
• Participate in audit preparation by providing reports and supporting documentation
• Assess customer creditworthiness and assist with credit risk management
• Maintain accurate records and ensure compliance with internal controls and accounting standards

• 2–3+ years of accounts receivable experience in a medium to large organization
• Hands‑on experience using SAP (required)
• Proven experience handling customer deductions and payment discrepancies
• Strong Excel skills, including reporting and basic data analysis
• Excellent communication skills with internal teams and external customers
• Highly independent with strong problem‑solving abilities and attention to detail
• Bachelor’s degree in Business, Accounting, or a related field preferred
• Ability to work onsite five days per week

ADDISON GROUP is an Equal Opportunity Employer. ADDISON GROUP provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, gender, sexual orientation, national origin, age, disability, genetic information, marital status, amnesty, or status as a covered veteran in accordance with applicable federal, state and local laws. ADDISON GROUP complies with applicable state and local laws governing non-discrimination in employment in every location in which the company has facilities.

Reasonable accommodation is available for qualified individuals with disabilities, upon request.