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CROSSMEDIA · 4 hours ago

Assistant Buyer, Integrated Media Investment

New York, New York

Full-time

Hybrid

New Grad, Entry Level

$43K/yr - $48K/yr

Crossmedia is a global media independent agency committed to transparency and innovative connections between brands and people. The Assistant Buyer will manage day-to-day responsibilities of paid media campaign management, supporting the execution, maintenance, and reporting of media buys across traditional and digital channels.

AdvertisingConsultingMarketing

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

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 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

Qualification

Media BuyingData AnalysisMicrosoft Office SuiteAttention to DetailCommunication SkillsNumerical AptitudeInterest in AdvertisingAdaptabilityOrganizational Skills

Required

Bachelor's in Advertising, Marketing or related field

A very high proficiency with Microsoft Office Suite: Excel, PowerPoint, Outlook

Strong attention to detail and highly organized

Must have a love for numbers and numerical aptitude

Excellent communication skills

Eagerness to learn and adaptability

A strong interest and knowledge of Media Buying and Planning

Preferred

Previous marketing, advertising or media agency experience are a plus

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 (be it travel, enrichment class, fitness membership or professional development)

Cell phone/tech reimbursement

Student Loan payment plan (US)

Tuition reimbursement

Learning & Development and training programs

And burgers – lots and lots of burgers