Assistant Buyer, Integrated Media Investment

New York City, NY (Hybrid)

$43K/yr – $48K/yrEntry LevelFull time

Posted 3 weeks ago

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Job Summary

Own the day-to-day media execution backbone, turning buys into live campaigns with clean data, tight timelines, and clear reporting for clients.

  • Operations & Execution: Help with authorizations, insertion orders, vendor specs, and asset delivery.
  • Tracking & Delivery: Enter data in internal systems, monitor pacing, flag delivery gaps, and compile performance snapshots.

Job Description

Responsibilities

  • 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
  • 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
  • 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

Requirements

  • Bachelor’s in Advertising, Marketing or related field
  • A very high proficiency with Microsoft Office Suite tools, and especially be a wiz with 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 of Media Buying and Planning
  • Previous marketing, advertising or media agency experience are a plus.
  • Proximity to NY office and hybrid work setting (on-site ~two days a week for training, collaboration, and learning)

Benefits

  • Flexibility to work in hybrid manner with in-office and work from home options (depending on role).
  • Open/Flexible PTO with US & UK specific policies
  • Sponsored healthcare options and agency-wide physical & mental health support
  • 401k with company match (USA), and generous Pension (UK)
  • Paid sabbatical at significant milestone anniversaries
  • Generous paid parental leave policy
  • Life milestone recognition & support
  • The Pursuit of Happiness Fund devoted to helping Crossmedians find their happy
  • Cell phone/tech reimbursement
  • Student Loan payment plan (US)
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CROSSMEDIA

3.9 Glassdoor

Welcome to Crossmedia, a global, independent and minority-owned, full-funnel agency committed to doing media the right way for the last 25 years. Rooted in TRUST, REASON, and the Pursuit of HAPPINESS, we are committed to acting without bias and backed by the strictest transparency standards, making decisions grounded in data and common sense, and leading with strategies that deliver employee, client, and customer satisfaction. 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.Our culture is also pretty great. We invest in every colleague’s professional and personal wellbeing and growth, with XM groups like XMEquity365, XMFit, XMReads, and more! Of course, we also have our famous Burgerday every month, along with regular wellness workshops and educational sessions—part of the reason Crossmedia has been named to Ad Age’s Best Places to Work list the past six years in a row!Crossmedia is headquartered in New York and has hubs across the U.S., London, Germany and Toronto.

Founded in 2000
New York, New York, USA
321 employees (103 in marketing)
71% recommend to a friend
89% CEO approval

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