Billing Specialist

A leading marketing and media agency is seeking a contractor in Media Finance to support a large client during a maternity leave coverage. This individual will serve as the key liaison between the client team, billing teams, and finance operations, ensuring accurate billing, budget tracking, accruals, and financial reporting.

This is a hands-on role requiring someone who can work independently with minimal training and quickly step into an active billing cycle.

Responsibilities:

• Manage all aspects of client budget and billing activities for a large pharma account
• Oversee monthly billing cycles and ensure accuracy of invoices and financial reporting
• Prepare and submit monthly accruals by comparing billed amounts against planned spend
• Analyze billing data and identify discrepancies, omissions, or reporting issues
• Partner with internal teams to ensure all media purchases, fees, and vendor payments are captured correctly
• Monitor accounts receivable and review aging reports
• Track monthly fee billings across 15-20 brands and ensure all fees are invoiced accurately
• Serve as the primary finance contact for client budget management matters
• Assist with burn reports, budget reports, and other post-billing client reporting
• Review accounts payable activity and investigate variances
• Present budget reporting and financial updates to client stakeholders
• Work closely with account teams to ensure financial obligations and client deliverables are met

• 5+ years of finance, accounting, billing, or budget management experience
• Prior media industry experience required
• Strong MediaOcean experience required
• Experience with media billing, fee billing, and client budget management
• Advanced Excel skills
• Ability to work independently in a fast-paced environment
• Strong analytical and problem-solving skills
• Excellent communication and client-facing abilities
• Bachelor's degree in Accounting, Finance, Business, or related field

Preferred Qualifications

• SAP experience
• Experience supporting pharmaceutical or large enterprise clients
• Experience managing multiple brands, budgets, and billing workflows simultaneously