Senior Manager, Media Finance & Client Billing

Momentum Worldwide; New York (NY); On-site; USD 50,000 - 95,000; Full time

Job summary

Omnicom is seeking a skilled Client Finance Manager in New York to oversee money matters for multiple clients. You will drive budgets, billing, reporting, and AR while coordinating with internal business units and client teams.

Ideal candidates bring 4–6 years in client management within marketing/advertising, superb communication, and a high level of Excel proficiency. This role emphasizes fast-paced delivery and strong relationship building.

Qualifications

• Bachelor’s degree in Business, preferably Accounting or Finance.
• 4-6 years related work experience; marketing/advertising industry experience a plus.
• Prior client management experience required.
• Ability to adapt and thrive in a fast paced, client service environment.
• Ability to prioritize and manage multiple projects and deadlines for multiple stakeholders.
• Intellectual curiosity and excellent problem-solving skills.
• Strong interpersonal skills and positive attitude.
• Excellent verbal and written communication skills.
• Proactive and detail oriented.
• Strong proficiency in Microsoft Office applications, particularly Excel.
• Ability to quickly learn multiple software applications.
• The ideal candidate will possess client management experience, strong interpersonal skills, and strong technical skills.

Responsibilities

• Manage client finance efforts for multiple clients, working internally across business units and externally with clients
• Take ownership of the client finance workflow, including budget management, billing, reporting, and accounts receivable management
• Plan and coordinate client finance deliverables across business units to ensure timeliness and quality
• Function as the primary liaison between the agency Budget Management Group, agency business units, and clients for all client finance matters
• Communicate effectively and responsibly within agency network and externally to clients
• Establish and nurture strong relationships with clients and agency business units alike
• Attend periodic client and departmental meetings as needed

Skills

Client management

Communication

Excel

Education

Bachelors in Business/Finance

Job description

Omnicom is seeking a skilled Client Finance Manager in New York to oversee money matters for multiple clients. You will drive budgets, billing, reporting, and AR while coordinating with internal business units and client teams.

Ideal candidates bring 4–6 years in client management within marketing/advertising, superb communication, and a high level of Excel proficiency. This role emphasizes fast-paced delivery and strong relationship building.