Senior Billing Analyst (Remote)

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Were seeking a Senior Billing Analyst to join the Corporate team. The successful candidate will assist the finance team to execute billing operations and implement scalable systems and process efficiently. The ideal candidate should be a go-getter that can hit the ground running and be able to prioritize individual and team objectives, while developing accounting and billing infrastructures.
Responsibilities Will Include

• Review contracts/IOs/SOWs to ensure appropriate approval and billing rates/rules
• Manage billing engine and verify platform accuracy to ensure timely and accurate invoicing
• Collaborate with delivery teams to resolve invoice discrepancies timely
• Reconcile COGS accrual and bills on a monthly basis
• Assist legal and sales team to assess customer credit and risk analysis
• Develop and maintain billing metrics for senior leadership
• Identify process improvements and coordinate with other departments to improve billing/accounting process efficiency
• Assist with ad hoc projects as needed
  

Qualifications/Background Sought

• Ability to communicate in English (both written and spoken)
• Bachelor degree completed in accounting, finance, or related field
• 5+ years accounting experience, minimum 1 year AR/billing experience
• Experience in AdTech or technology startups preferred

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• Excel in analytical and problem solving skills
• You are able to prioritize competing demands.
• Ability to work with various computer systems and large data sets
• Ease of learning and adaptation: we have the ability to change fast
  

About Monks
Monks is the global, digital-first, data-driven, unitary operating brand of S4 Capital plc. With a legacy of innovation and specialized expertise, Monks combines an extraordinary range of global Marketing and Technology Services to redefine how brands interact with the world. Through Monks.Flow, its flagship AI ecosystem for marketing orchestration, Monks transforms marketing into a growth engine, collapsing timelines and connecting brands to culture in real time. By deploying bespoke intelligent agents across disciplines and delivering culturally relevant, high-impact creative and digital solutions, Monks solves key critical business challenges across the entire brand enterprise to help brands sustain long-term impact.
Monks was named a Contender in The Forrester Wavetrade mark: Global Marketing Services, ranks among Cannes Lions Top 10 Creative Companies (2022-25) and remains the only partner featured in AdExchangers Programmatic Power Players list every year (2020-24). Named Adweeks first AI Agency of the Year (2023) and The One Shows inaugural AI Pioneer Organization, Monks was also awarded Business Intelligence Groups 2025 Excellence in Artificial Intelligence Award in both the Organizational and AI Product categories. As a trusted partner to cutting-edge innovators in tech, Monks earned titles such as Optimizely Experimentation Partner of the Year (2025), runner-up for the Adobe Firefly Partner Award (2024), and Workatos AI Visionary Customer Impact Award (2024). Additionally, Monks achieved a record-breaking number of FWAs and continues to hold the most of any partner.
We are an equal-opportunity employer committed to building a respectful and empowering work environment for all people to freely express themselves amongst colleagues who embrace diversity in all respects. Including fresh voices and unique points of view in all aspects of our business not only creates an environment where we can all grow and thrive but also increases our potential to produce work that better represents—and resonates with—the world around us.