Senior Accounts Receivable Specialist

We are an independent global marketing communications group with a human‑first approach. We connect strategy, creativity, technology and operations to help brands and organisations grow with purpose. Our global network supports more than 1,200 clients across 34 countries, backed by over 35 years of experience. Under the mci group umbrella, our agencies bring together world‑class talent in strategy, creative development, account leadership, technology, production and research to shape meaningful, lasting impact.

The Senior Accounts Receivable Specialist plays an important role in supporting accurate customer billing, timely cash application, effective receivables management, and reliable financial reporting for MCI USA. This position partners closely with Finance, SBO, business unit leaders, and customer-facing teams to resolve billing and collection matters, maintain strong documentation and controls, and support a smooth month‑end close process.

This is a strong opportunity for a detail‑oriented accounting professional who enjoys problem‑solving, cross‑functional collaboration, process improvement, and contributing to a high‑performing Finance team. #LI-Remote

$60, annually, based on relevant experience and skills.

• Manage core Accounts Receivable activities, including customer invoicing, cash application, aging review, account monitoring, collections follow‑up, and resolution of billing or payment issues.
• Monitor aging trends, support timely billing and collection activity, elevate collection risks, and help drive resolution of past‑due balances and disputed items.
• Prepare reconciliations, supporting schedules, roll‑forwards, accrual support, variance analyses, and other documentation to support month‑end close, audits, and financial reporting.
• Support and facilitate monthly A/R reviews with finance leadership and SBO, presenting aging trends, collection status, risk areas, and recommended next steps.
• Maintain documentation and support adherence to internal controls, approval workflows, accounting policies, revenue recognition guidance, billing procedures, and audit requirements.
• Partner with division and business unit leaders to confirm accurate coding, improve billing workflows, resolve transaction questions, and provide responsive customer‑service‑oriented support.
• Identify process improvement opportunities to strengthen A/R operations, improve data quality, reduce aging balances, streamline reconciliations, and enhance management reporting.
• Provide subject‑matter support and knowledge sharing to Finance colleagues, contribute to a positive team culture, support special projects, prepare ad hoc reporting, and perform other duties as assigned.

• 2
  -4 years of related accounting experience, with demonstrated experience in Accounts Receivable, billing, collections, reconciliations, financial schedules, variance research, and month‑end close support.
• Bachelor’s degree in accounting, finance, or related field required; CPA or MBA preferred.
• Strong understanding of U.S. GAAP, accounting policies, internal controls, account reconciliations, and receivables management practices.
• Ability to communicate clearly, work cross‑functionally, manage assigned work streams, balance multiple priorities, meet deadlines, and provide responsive support in a geographically dispersed, matrixed environment.
• Strong attention to detail, ownership, professional judgment, analytical thinking, and practical problem‑solving skills.

• Demonstrates accountability, sound judgment, accuracy, and commitment to high‑quality work.
• Builds collaborative, service‑oriented relationships across Finance, SBO, divisions, business units, and…