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Crossmedia

Global, independent media planning and buying

Assistant Buyer - Integrated Media Investment

Performance & Paid MarketingConfirmed live in the last 24 hours
Full-timeNew York, NY, USA$43k - $50k

About the Job

Requirements

  • A bachelor's degree in Advertising, Marketing, or a related field is required.
  • High proficiency with Microsoft Office Suite, especially Excel, PowerPoint, and Outlook, is required.
  • Strong attention to detail and organization are required.
  • A love for numbers and high numerical aptitude are required.
  • Excellent communication skills are required.
  • Eagerness to learn and adaptability are required.
  • A strong interest and knowledge of media buying and planning are required.
  • Candidates must live in proximity to the New York office.

Responsibilities

  • Assist in preparing media authorizations and insertion orders to activate buys.
  • Enter campaign data and maintain accurate records across internal systems, including OneStrata and investment trackers.
  • Help manage timelines and deliverables, ensuring vendors receive specifications and assets on time.
  • Monitor campaign pacing and delivery, flagging under- or over-delivery to the team.
  • Compile weekly and monthly campaign performance reports using data from media partners, platforms, and internal dashboards.
  • Analyze delivery against planned metrics and assist with optimization recommendations.
  • Help create and update post-buy analyses for client presentations.
  • Track billing and work with finance teams to resolve discrepancies or reconcile vendor invoices.
  • Maintain budget trackers and assist in updating actuals versus planned spend.
  • Organize documentation, including contracts, screenshots, and proof of performance.
  • 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.
  • Attend and take notes 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 about media industry trends, competitive campaigns, and emerging platforms.

Desired Qualifications

  • Previous marketing, advertising, or media agency experience is a plus.

About the Company

Crossmedia

Global, independent media planning and buying

Crossmedia is an independent media agency that plans and buys across channels to manage marketing communications for clients. It uses a data-driven, channel-neutral approach with no kickbacks or rebates, earning revenue only from client fees. The firm offers holistic strategy, cross-channel media planning and buying, measurement, and specialized services like Redbox Business Intelligence, SEM/SEO, and programmatic buying, plus global and multicultural marketing capabilities via a proprietary media procurement marketplace. Its goal is to deliver unbiased, transparent media solutions that maximize client value across the full funnel while maintaining trust with clients.

Company size
201-500
Company stage
Acquired
Total funding
Not listed
Headquarters
New York City, New York
Founded
2000

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