Assistant Buyer, Integrated Media Investment

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.

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.

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
• Analyze delivery vs. planned metrics and assist in optimization recommendations
• Help create and update post-buy analyses for client presentations
• Financial & Administrative Support
• 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
• Vendor & Partner Collaboration
• 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
• Internal Collaboration & Learning
• 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

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.

Crossmedia 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

Commitment to Diversity and Inclusion

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.

Physical Demands

The physical demands described here are representative of those that must be met by an employee to successfully perform the essential functions of this job:

• Prolonged periods of sitting at a desk and working on a computer. Must be able to remain in a stationary position 50% of the time.
• Ability to stand, bend, and reach
• Constantly operates a computer and other office productivity machinery, such as a calculator, copy machine, and computer printer.
• The ability to communicate information and ideas so others will understand. Must be able to exchange accurate information in these situations.
• The ability to observe details at close range (within a few feet of the observer).

Equal Employment Opportunity

All job requirements are subject to possible revision to reflect changes in the position requirements, business necessities and/or to reasonably accommodate individuals with disabilities. Essential and other job functions are subject to modification. This job description in no way states or implies that these are the only duties to which will be required in this position. Employees will be required to follow other job-related duties as requested by their supervisor/manager (within guidelines and compliance with laws in the US and UK ).

Continued Employment

Continued employment remains on an “at-will” basis.” Reasonable accommodations may be provided to enable individuals with disabilities to perform essential functions in compliance with the American with Disabilities Act of 1990 (US based)