Senior Client Finance Manager

Biolumina; New York (NY); On-site; USD 115,000 - 130,000; Full time

Job summary

Omnicom seeks a Senior Client Finance Manager to oversee the financial performance of client accounts in a fast-paced agency environment. You will forecast, prepare reconciliations, and support budgeting and reporting efforts.

The role requires coordinating with account teams to ensure accurate POs and timely billing, while maintaining compliance with client contracts and MSAs. Ideal candidates have 4–6 years of finance experience, strong Excel skills, and the ability to translate data into

Qualifications

• 4–6 years of finance experience, preferably in advertising or related industry.
• Bachelor's degree in Finance, Accounting, or related field.
• Advanced proficiency in Excel, PowerPoint, and Office applications.
• Ability to translate financial information into actionable business insights.

Responsibilities

• Oversee financial management of assigned client accounts, including revenue, forecasting, and reporting.
• Prepare monthly client fee reconciliations and lead related financial meetings.
• Maintain relationships with client finance and procurement counterparts.
• Collaborate with Account Management to ensure PO accuracy and timely updates.
• Monitor hours against contracts and identify financial risks and opportunities.

Skills

Analytical thinking

Excel proficiency

PowerPoint

Cross-functional collaboration

Communication skills

Forecasting

Education

Bachelor's degree in Finance/Accounting

Tools

Microsoft Dynamics AX

Job description

**Cookie Notice**This website uses only**Links to Third-Party Websites**Those third parties are responsible for their own privacy and cookie practices. We encourage you to review the applicable privacy notices, cookie policies, and available cookie preference settings of any third-party websites you visit.**Changes to This Notice****Effective Date:** July 1, 2026**Agency:**Omnicom Media**Job Function:**Finance**Job Subfunction:**Client Finance**Job Description:**The Senior Client Finance Manager is a key business partner responsible for overseeing the financial management of client accounts and supporting the overall financial performance of the business. This role will support forecasting, client SOW development, financial planning and analysis, billing and collections, and contractual compliance. The position requires both financial oversight and hands-on preparation of analyses, reconciliations, and reporting.Primary Job Responsibilities:* Manage the financial oversight of assigned client accounts, including revenue, forecasting, billing, collections, and financial reporting.* Prepare monthly client fee reconciliations, develop supporting materials, and lead or participate in monthly client financial meetings.* Establish and maintain strong relationships with client finance and procurement counterparts.* Partner with Account Management and Project Management teams to ensure purchase orders are received, accurate, and updated in a timely manner.* Support the development and financial review of client scopes of work and estimates.* Perform weekly rate reviews to ensure accuracy and compliance with client contractual requirements. Review accounts receivable monthly and partner with internal and client stakeholders to support timely payment of outstanding balances.* Prepare quarterly client savings and efficiency reporting and supporting documentation.* Track and analyze team hours against contractual agreements, scopes, and staffing expectations to identify potential financial risks and opportunities.* Ensure compliance with client contracts and maintain required financial documentation, including MSAs, approved scopes, purchase orders, signed estimates, and monthly fee reconciliations.* Review outstanding vendor purchase orders and expenses and partner with internal teams to ensure timely resolution.* Collaborate with the Shared Service Center to ensure monthly billing is accurate and completed no later than the 20th of each month.* Prepare financial reports, analyses, forecasts, and scenario modeling to support client and agency decision-making.* Lead financial discussions with Account Management and Project Management teams and provide guidance on client financial performance.* Train Account Management and Project Management team members on Biolumina financial processes and client-specific financial requirements.* Identify opportunities to strengthen financial processes, controls, reporting, and operational efficiencies.* Provide excellent service and financial support to internal teams, clients, and vendors. Support ad hoc financial analyses, reporting, and special projects as requested by the CFO.Qualifications and Experience:* 4-6 years of relevant finance experience, preferably within advertising, marketing, professional services, or a related industry. Bachelor's degree in Finance, Accounting, or a related field; an advanced degree or professional certification is a plus.* Financial management experience, including forecasting, budgeting, revenue management, financial analysis, and resource planning.* Strong analytical and problem-solving skills with the ability to translate financial information into actionable business insights.* Advanced proficiency in Microsoft Excel; proficiency in PowerPoint, Word, and other Microsoft Office applications.* Proven ability to work cross-functionally and build strong relationships across an organization.* Ability to collaborate effectively with senior management, clients, and other business stakeholders.* Excellent written, verbal, and interpersonal communication skills.* Strong client service orientation and the ability to communicate financial concepts clearly to non-finance stakeholders.* Strong organizational, project management, and time-management skills with the ability to prioritize multiple responsibilities and deadlines. Sound business acumen, strategic thinking, and strong judgment.* Detail-oriented with a commitment to financial accuracy, compliance, and operational excellence.* Positive, collaborative approach with the ability to thrive in a fast-paced agency environment.* Ability to coach, train, and provide direction to other team members. Knowledge of Microsoft Dynamics AX R3 or similar financial systems is a plus.$115,000 - $130,000*To the extent permissible by local law, Omnicom's policy requires employees to work in the office for a minimum of three days a week, unless additional in-office days are directed by their agency or manager.*Omnicom is committed to hiring and developing exceptional talent. We agree that talent is uniquely distributed, and we're focused on developing inclusive teams that can bring the best solutions to everything we do. We strongly believe that celebrating what makes us different makes us better together. Join us - we look forward to getting to know you. We will process your personal data in accordance with our Recruitment Privacy Notice.Link to Recruitment Privacy Notice:**For US Job Seekers:***It is the policy of Omnicom and any of its affiliates to provide equal employment opportunities to all employees and applicants for employment without regard to race, religion, color, ethnic origin, gender, gender identity, age, marital status, veteran status, sexual orientation, disability, or any other basis prohibited by applicable federal, state, or local law. EOE/AA/M/D/V/F.*