Assistant Media Buyer, Integrated Investment

Job Description

WHO WE ARE

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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.

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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.

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We have offices in 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

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YOUR ROLE

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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.

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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.

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KEY RESPONSIBILITIES:

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Campaign Execution & Support

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• Assist in the preparation of media authorizations and insertion orders to activate buys
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• Enter campaign data and maintain accurate records across internal systems (e.g., OneStrata, Investment Trackers)
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• Help manage timelines and deliverables, ensuring vendors receive specs and assets on time
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• Monitor campaign pacing and delivery, flagging any under- or over-delivery to the team
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Reporting & Optimization

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• Compile weekly and monthly campaign performance reports, pulling data from media partners, platforms, and internal dashboards
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• Analyze delivery vs. planned metrics and assist in optimization recommendations
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• Help create and update post-buy analyses for client presentations
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Financial & Administrative Support

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• Track billing and work with finance teams to resolve discrepancies or reconcile vendor invoices
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• Maintain budget trackers and assist in updating actuals vs. planned spend
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• Organize documentation including contracts, screenshots, and proof of performance
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Vendor & Partner Collaboration

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• Communicate directly with vendors to confirm buys, gather reporting data, and resolve execution issues
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• Attend vendor meetings and take notes to assist the broader team in evaluating new opportunities
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Internal Collaboration & Learning

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• Attend and note take during team meetings, client briefings, and status calls as appropriate
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• Participate in training sessions to deepen knowledge of media buying systems, analytics tools, and the media landscape
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• Stay informed on media industry trends, competitive campaigns, and emerging platforms
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REQUIREMENTS:

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• Bachelor’s in Advertising, Marketing or related field
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• A very high proficiency with Microsoft Office Suite tools, and especially be a wiz with Excel, PowerPoint and Outlook
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• Strong attention to detail and highly organized
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• Must have a love for numbers and a high numerical aptitude
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• Excellent communication skills
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• Eagerness to learn and adaptability
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• A strong interest and knowledge in Media Buying and Planning
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• Previous marketing, advertising or media agency experience are a plus.
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Please note this role requires a candidate with proximity to our NY office. We offer a hybrid work setting with employees working onsite and from home. Assistants are in the office an average of 2-3 days a week for training, collaboration, and overall learning.

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Salary is $47-$50k (overtime eligible). Commensurate with experience. Compensation is determined on the skills, qualifications, certifications, tenure in the industry, and experience of the applicant along with the requirements of the position.

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CROSSMEDIA BENEFITS

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Our principles of Trust, Reason, and the Pursuit of Happiness are brought to life through benefits that recognize and support the diversity and physical, emotional, and professional well-being of our people, including:

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• Flexibility to work in hybrid manner with in-office and work from home options (depending on role).
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• Open/Flexible PTO with US & UK specific policies
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• Sponsored healthcare options and agency-wide physical & mental health support
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• 401k with company match (USA), and generous Pension (UK)
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• Paid sabbatical at significant milestone anniversaries
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• Generous paid parental leave policy
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• Life milestone recognition & support
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• The Pursuit of Happiness Fund devoted to helping Crossmedians find their happy (be it travel, enrichment class, fitness membership or professional development)
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• Cell phone/tech reimbursement
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• Student Loan payment plan (US)
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• Tuition reimbursement
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• Learning & Development and training programs
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• And burgers – lots and lots of burgers
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COMMITMENT TO DIVERSITY AND INCLUSION

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Diversity is in our DNA. As a minority-owned company, our commitment to an inclusive environment has long been embedded into agency practices and at every level. Almost one third of senior leadership identifies as a person of color and over half of our executive leadership are women. We have active mentoring & internship programs that create opportunities for underrepresented groups. Internal agency programming is anchored by XMEquity365, a permanent, year-round initiative fostering acknowledgement and support of marginalized communities within five pillars – Excellence, Voices, Education, Giving & Representation.

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