Assistant Buyer

WHO WE ARE

Crossmedia is the global media independent. We’re committed to doing media and business the right way, guided by the principles of TRUST, REASON and the Pursuit of HAPPINESS. Crossmedia US was founded in NY in 2000 and is one of the largest minority-owned full-service media planning & buying agencies in the nation. We are 500+ Crossmedians worldwide with big ambitions to continue to grow with soul. 

We focus on what media agencies should do: create innovative connections between brands and people regardless of channel or budget. And we do it in an honest way. We are and always have been a values-based organization. We earn our clients TRUST by ensuring media transparency in our business model and objectivity in decision-making. We apply REASON & logic to finding solutions to our clients' greatest business challenges. The Pursuit of HAPPINESS matters to us. Big time. We invest in each colleagues’ professional & personal wellbeing and growth. It’s why we have countless initiatives, clubs & cultural events dedicated to our people and why we have been the top ranked media agency named to Ad Age’s Best Places to Work for the past seven years in a row.  

We have offices in the NY, Philadelphia, London and Germany.  Our client roster includes U.S. Bank, Invesco, Newell Brands, NASCAR, American Cancer Society, Ricola, Herschend Family Entertainment, Zalando, Edible Arrangements, Citizens Bank, and more.

YOUR ROLE

We’re looking for a bright Assistant Buyer, Integrated 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