Assistant Media Buyer, Integrated Investment
CROSSMEDIA
This job at a glance
- Who can apply
- New grads and up to 1 year · Bachelor's degree
- Must know
- Data visualizationBudgetingExcelMicrosoft Office
- Nice to have
- Marketing
- Work
- Hybrid in New York
- Pay
- $47K–$50K a year
- Skill demand
- Excel64%Microsoft Office44%Budgeting20%Data visualization4%of 45 similar entry-level jobs posted in the US this week
- Listed
- Nov 7, 2026 · still open
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About the Role
We’re looking for a bright Assistant Buyer, Media Investment to help manage day-to-day responsibilities of paid media campaign management. A naturally curious mind, resourcefulness, a love for numbers and a passion for advertising are a must. The Assistant Buyer supports the execution, maintenance, and reporting of media buys across traditional and digital channels. This is an entry-level role designed for a motivated, detail-oriented individual looking to build foundational experience in media planning and buying. You’ll work closely with internal teams, vendors, and media partners to ensure campaigns are executed accurately and efficiently, while learning about pricing strategy, media performance, and client servicing.
Key Responsibilities
- Campaign Execution & Support
- Assist in the preparation of media authorizations and insertion orders to activate buys.
- Enter campaign data and maintain accurate records across internal systems (e.g., OneStrata, Investment Trackers).
- Help manage timelines and deliverables, ensuring vendors receive specs and assets on time.
- Monitor campaign pacing and delivery, flagging any under- or over-delivery to the team.
- Reporting & Optimization
- Compile weekly and monthly campaign performance reports, pulling data from media partners, platforms, and internal dashboards.
- Analyze delivery vs. planned metrics and assist in optimization recommendations.
- Help create and update post-buy analyses for client presentations.
- Financial & Administrative Support
- Track billing and work with finance teams to resolve discrepancies or reconcile vendor invoices.
- Maintain budget trackers and assist in updating actuals vs. planned spend.
- Organize documentation including contracts, screenshots, and proof of performance.
- Vendor & Partner Collaboration
- Communicate directly with vendors to confirm buys, gather reporting data, and resolve execution issues.
- Attend vendor meetings and take notes to assist the broader team in evaluating new opportunities.
- Internal Collaboration & Learning
- Attend and note take during team meetings, client briefings, and status calls as appropriate.
- Participate in training sessions to deepen knowledge of media buying systems, analytics tools, and the media landscape.
- Stay informed on media industry trends, competitive campaigns, and emerging platforms.
Requirements & Tech Stack
- Bachelor’s in Advertising, Marketing or related field.
- Very high proficiency with Microsoft Office Suite tools, especially Excel, PowerPoint and Outlook.
- Strong attention to detail and highly organized.
- Must have a love for numbers and a high numerical aptitude.
- Excellent communication skills.
- Eagerness to learn and adaptability.
- A strong interest and knowledge in Media Buying and Planning.
- Previous marketing, advertising or media agency experience are a plus.
- Proximity to our NY office is required.
- Hybrid work setting with employees working onsite and from home. Assistants are in the office an average of 2-3 days a week.
Salary: $47-$50k (overtime eligible).