Tinuiti is the largest independent full-funnel marketing agency in the U.S. across the media that matters most, with $4 billion in digital media under management and more than 1,200 employees. Built for marketers who demand growth and accountability, Tinuiti unites media and measurement under one roof to eliminate waste—the biggest growth killer of all—and scale what works. Its proprietary technology, Bliss Point by Tinuiti, reveals the truth around growth and waste, and how to capitalize on it. With expert teams across Commerce, Search, Social, TV & Audio, and more, Tinuiti delivers measurable results with brutal simplicity: Love Growth. Hate Waste.
We’d love to hear from you if:Research shows that while men apply to jobs when they meet an average of 60% of the criteria, women and other marginalized folks tend to only apply when they check every box. So if you think you qualify, but don't necessarily meet every single point on the job description, please still get in touch.
Senior Accountant – Accounts Payable & Media Vendor Reconciliation
Position Summary
The Senior Accountant is responsible for overseeing and reconciling Accounts Payable (AP) activity related to media vendor invoices that are billed through to clients. This role ensures accuracy, completeness, and timeliness of vendor reconciliations, client billings, and financial reporting. The ideal candidate has strong analytical skills, deep experience in reconciliation, and a solid understanding of media or passthrough billing workflows and pass-through invoicing.
Key Responsibilities
Accounts Payable & Vendor Reconciliation
Perform detailed reconciliation of media vendor invoices to internal purchase orders, insertion orders, and approved media plans.
Reconcile vendor statements to AP subledger and general ledger accounts.
Identify and resolve discrepancies between vendor invoices, accrued expenses, and client billings.
Collaborate with vendors, Accounts Payable and Client Partner teams to resolve discrepancies.
Proactively manage vendor relations by providing consistent, transparent updates regarding disbursement timelines and account status
Monitor unapplied payments, open credits, and aged vendor balances.
Ensure proper coding of invoices by client, campaign, and GL account.
Client Billing & Pass-Through Invoicing
Reconcile vendor costs to client billings to ensure accurate pass-through of media expenses.
Verify that all vendor invoices have been billed to clients accurately and completely.
Collaborate with Billing and Client Partner teams to resolve billing variances.
Track all unbilled media expenses regularly and ensure any adjustments are identified, documented, and communicated to the billing team in a timely manner to maintain accurate invoicing and financial records.
Month-End Close & Reporting
Prepare and review AP-related journal entries and account reconciliations.
Support month-end close by ensuring media costs are recorded in the correct accounting period.
Analyze and report on accruals, prepaid media, and outstanding liabilities.
Prepare reconciliation schedules and supporting documentation for management review.
Perform other month-end close duties as needed.
Compliance & Controls
Maintain strong internal controls over media vendor transactions.
Ensure adherence to company policies and U.S. GAAP requirements.
Support internal and external audit requests related to AP and media reconciliations.
Identify and implement operational improvements to drive efficiency and eliminate errors and delays.
Qualifications
Bachelor’s degree in Accounting, Finance, or related field.
4+ years of U.S. GAAP accounting experience, with strong focus on reconciliations and AP.
Experience in advertising, media, marketing, or agency environment preferred.
Advanced Excel skills (pivot tables, VLOOKUP/XLOOKUP, data reconciliation tools).
Experience with ERP/accounting systems (e.g., Sage Intacct or similar).
Strong analytical and problem-solving skills.
High attention to detail and ability to manage large volumes of transactions.
Ability to work cross-functionally and communicate financial information clearly.
Key Competencies
Detail-oriented and highly organized
Strong ownership mindset
Deadline-driven with ability to prioritize
Process improvement focused
Collaborative and proactive communicator
We operate on a flexible hybrid model, but we love seeing our team! For this role, we ask that you come into our great office in Reforma, CDMX, two days a week. This is an essential part of how we collaborate and connect, so candidates should be comfortable with this regular in-office commitment.
We are an equal opportunity employer and value diversity at our company. We do not discriminate on the basis of race, religion, color, national origin, sex, gender, gender expression, sexual orientation, age, marital status, veteran status, or disability status. We will ensure that individuals with disabilities are provided reasonable accommodation to participate in the job application or interview process, to perform essential job functions, and to receive other benefits and privileges of employment. Please contact us to request accommodation.
Benefits:Unlimited PTO: At Tinuiti, we believe you deserve time to rest, recharge, and enjoy life unplugged. When you prioritize time for yourself, you're able to bring your best self to work. That’s why we offer unlimited paid time off, a hybrid work environment, and flexibility to take the time you need, when you need it. On top of that, we provide 16 paid holidays, including multiple long weekends, to ensure you have dedicated time to step away and disconnect. We're proud to offer above-industry standard work-life balance, consistently rated as one of the most loved benefits by Tinuitians year after year.
Healthcare: Major Medical (including dental and vision coverage), Minor Medical, Life Insurance Retirement: We offer a Savings Fund which includes a 10% employer match (10% employee contribution required for participation)
Perks and Wellness: Thankful giving, Equity
Parental Leave: Birthing parents receive 16 weeks of leave with 100% pay, consisting of 12 weeks statutory leave and 4 additional paid weeks through company policy. Non-birthing parents will receive 6 weeks of leave with 100% pay.
Learning and Development: On-demand learning (powered by LinkedIn Learning), mentorship program, leadership and management development programs and resources
Disclaimer: This description has been designed to indicate the general nature and level of work performed by employees within this position. The actual duties, responsibilities, and qualifications may vary based on assignment or group. Tinuiti is an equal opportunity employer. All qualified applicants will receive consideration for employment without regard to race, color, gender, sexual orientation, gender identity or expression, religion, national origin, marital status, age, disability, veteran status, genetic information, or any other protected status.
Top Skills
What We Do
Tinuiti is the largest independent full-funnel performance marketing agency in the US across the media that matters most. Tinuiti has $4 billion in digital media under management and more than 1,200 employees. The agency’s patented tech, Bliss Point by Tinuiti, measures what marketers previously struggled to measure, delivering unprecedented clarity in today’s murky marketing world to get brands to their Marketing Bliss Point. Tinuiti’s product-led approach gives brands an edge in – and across – every channel. With industry-leading expertise in Commerce, Search, Social, TV, and more, Tinuiti drives meaningful, measurable business outcomes for brands.
Why Work With Us
At Tinuiti, we focus on healthy growth—not just growth at any cost. It’s about putting people first. Which anyone can say… but we actually do. Our success is founded on an unusual business model that has served us well—growing employee happiness as a means of growing our clients’ business so we can continue to reinvest in innovation.
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