Assistant Controller

We are a 1,000-piece puzzle. Each of us is essential, interconnected, and intentionally designed. Together, we create something powerful: media that matters, growth that lasts, and a culture we are proud to build.

As part of our Finance team, you're one of The Stewards
, helping keep our business strong, accountable, and built for sustainable growth. From managing the financial complexities of media investments to ensuring accuracy in every transaction, our Finance team brings the discipline, transparency, and insight that allow great work to happen. We believe every dollar deserves intention, and the decisions we make behind the scenes are just as important as the media we bring to life.

As our Assistant Controller
, you'll report directly to the Controller and play a critical role in maintaining the financial health and operational integrity of Attention Arc. Working closely with the Controller and senior Finance leadership, you'll help oversee accounting operations, strengthen financial controls, and ensure our financial reporting is accurate, timely, and actionable.

This is a hands‑on role for someone who understands the unique financial complexities of a media agency, from high-volume media transactions and vendor reconciliations to client billing and cash flow management. You'll bring both precision and perspective to the work, ensuring our financial operations keep pace with a growing, performance‑driven agency.

You'll also be a trusted partner across Finance, Media, and Operations, helping connect the details behind the numbers to the bigger picture of our business.

Accounting Operations & Financial Reporting

• Support the oversight of day‑to‑day accounting operations, including general ledger, accounts payable, accounts receivable, and media vendor payments.
• Manage key components of the month‑end and year‑end close processes, ensuring accurate journal entries, accruals, balance sheet reconciliations, and supporting schedules.
• Prepare and review monthly financial statements, management reports, and financial analyses that provide leadership with a clear understanding of business performance.
• Maintain the integrity of financial records, ensuring transactions are properly recorded, classified, and reconciled in accordance with GAAP.
• Identify opportunities to improve the accuracy, timeliness, and efficiency of accounting processes.

Media Financial Operations

• Oversee the accuracy and timeliness of client billing, media vendor invoicing, payment processing, and campaign‑level financial reconciliations.
• Partner with Media Planning, Buying, and Operations teams to ensure media spend, vendor commitments, and client financial activity are accurately tracked and accounted for.
• Monitor media‑related accounts receivable and accounts payable, proactively identifying discrepancies, outstanding balances, and potential financial exposure.
• Support the reconciliation of large media budgets across clients, campaigns, vendors, and platforms, ensuring funds are appropriately allocated and documented.
• Help establish consistent financial processes that support the complexity and volume of media transactions across the agency.

Financial Controls, Planning & Process Improvement

• Maintain and strengthen internal accounting controls, financial policies, and procedures to safeguard agency and client funds.
• Support budgeting, forecasting, cash flow analysis, and working capital management, with particular attention to media payment obligations and client collections.
• Assist with annual audits, financial reviews, and the preparation of documentation for external auditors and financial partners.
• Identify opportunities to streamline accounting workflows, improve reporting capabilities, and…