Invoice Reconciliations

Join Critical Mass as our Associate Invoice Reconciliations (Media) with a focus on media billing. In this role, you will play a vital part in supporting our media investment team, ensuring accurate and timely invoicing for our clients, and maintaining meticulous records of media budgets and vendor transactions. If you have a passion for media and finance, exceptional attention to detail, and thrive in a dynamic environment, we invite you to apply and become an integral part of our team. 

The ideal candidate should be comfortable working in alignment with Eastern Time (ET).

You Will: 

• Maintain oversight of client media budgets and requirements and develop and communicate media billing schedules 
• Review and audit Media Authorization Forms alongside related vendor invoices. 
• Provide support for SOX Testing, including documentation and assistance with selected samples 
• Reconcile client billing and vendor invoices within the finance system 
• Manage supporting backup documentation for month-end reconciliation 
• Prepare ad hoc reports as necessary for internal and external purposes 
• Coordinate campaign timelines and provide operational support to the investment team throughout campaign activation, including actualization and vendor invoice reconciliation. 
• Assist with campaign setup, buy entry, and ongoing maintenance, ensuring all inputs align with client-approved budgets and Media Authorization Forms (MAFs). 
• Collaborate with internal teams to deliver accurate status updates for billing purposes.
• Contribute to process improvement initiatives and support automation efforts to enhance efficiency in client and campaign deliverables.  

You Have: 

• Diploma or degree with a focus on accounting, finance, marketing, media, or a related field.
• 0–2 years of experience in accounting, finance, media operations, or a related environment.
• Strong accounting knowledge complemented by solid technical and analytical skills.
• Strong Excel skills, including the ability to work confidently with formulas, lookups, pivot tables, and data sets.
• Proficiency in Microsoft Office Suite, including Excel, Word, and Outlook.
• Familiarity with foreign currency transactions.
• Experience with Mediaocean, Prisma, or other media planning, buying, or financial management tools is a plus.
• Exceptional attention to detail and a high level of accuracy when handling financial, campaign, and billing data.
• Excellent written and verbal communication skills.
• Strong organizational skills and the ability to manage multiple priorities and deadlines.