Senior Accountant, Revenue

Senior Accountant, Revenue Los Angeles, California Hybrid Schedule (M/F remote, T/W/TH in-office)

At Magnite, we cultivate an environment of continuous growth and collaboration. Our work impacts what millions of people read, watch, and buy, and we’re looking for people to help us tackle that responsibility with creativity and focus. Magnite (NASDAQ: MGNI) is the world’s largest independent sell-side advertising platform. Publishers use our technology to monetize their content across all screens and formats including CTV / streaming, online video, display, and audio.

Our tech fuels billions of transactions per day!

We are seeking a motivated and intellectually curious Senior Revenue Accountant to join our Revenue Accounting & Receivables organization. This role is ideal for an accounting professional who enjoys solving complex problems, partnering cross-functionally, and improving accounting processes through automation and technology. The position offers broad exposure across Revenue Accounting, Publisher Accounting, Financial Systems, Product, Engineering, and Operations within a fast-paced, publicly traded technology company.

The Senior Revenue Accountant will own a variety of complex accounting processes supporting Magnite's publisher ecosystem, customer invoicing, revenue share arrangements, and month-end close. This individual will analyze contractual terms, prepare journal entries and reconciliations, execute SOX controls, and partner closely with cross-functional teams to support new commercial offerings and system enhancements. The ideal candidate is analytical, detail-oriented, comfortable working with large datasets, and thrives in an evolving environment where continuous process improvement is encouraged.

This is a significant opportunity to become a subject matter expert supporting complex publisher accounting, revenue recognition, financial systems initiatives, and automation projects within a rapidly growing public technology company.

• Handle Revenue & Publisher Accounting
• Prepare monthly revenue, contra-revenue, and publisher-related journal entries.
• Calculate and process complex publisher adjustments
• Prepare and validate publisher accruals and supporting analyses.
• Process publisher vouchers, payment files, and statements across multiple business platforms for both US and International entities
• Maintain publisher accounting schedules, including clawback rights, netting arrangements, and manual adjustment tracking.

• Prepare recurring and non-recurring journal entries, including accruals, true-ups, and reserve calculations.
• Reconcile complex balance sheet and income statement accounts.
• Investigate period-over-period fluctuations and resolve accounting variances.
• Prepare and present accounting close reports, such as Margin Analysis, etc.
• Analyze contractual terms to determine appropriate accounting treatment.
• Support quarterly reserve analyses and exposure assessments.

• Execute and document SOX controls supporting the revenue accounting process.
• Perform recurring validations over publisher fee calculations, credit memo activity, change logs and revenue transactions.
• Ensure accounting records are complete, accurate, and supported by appropriate documentation.
• Compile and review requests for quarterly and annual audits

• Participate in testing and validation of Oracle enhancements and other financial system changes.
• Identify opportunities to streamline manual processes through automation, reporting improvements, and AI-enabled solutions.

• Bachelor's degree in Accounting, Finance, or related field.
• 3-5 years of progressive accounting experience.
• Experience preparing complex journal entries, reconciliations, and month-end close activities.
• Experience operating within a SOX-compliant environment.
• Advanced Microsoft Excel skills, including Pivot Tables, XLOOKUP, and complex formulas.
• Strong…