Assistant Buyer, Integrated Media Investment

crossmediainc

New York, New York · New York · United States

Posted Jul 9, 2026

Internship
Hybrid
One Marketplace

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Job description

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.

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.

We have offices in the US, London and Germany. Our client roster includes U.S. Bank, Invesco, Newell Brands, NASCAR, Planet Fitness, American Cancer Society, Ricola, Herschend Family Entertainment, Zalando, Edible Arrangements, Citizens Bank, and more.

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.

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.

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.

Please note this role requires a candidate with proximity to our NY office. We offer a hybrid work setting with employees working both onsite and from home. Assistants are in the office an average of two days a week for training, collaboration, and overall learning.

Salary range is $43k - $48k. 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.

CROSSMEDIA BENEFITS

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:

Flexibility to work in hybrid manner with in-office and work from home options (depending on role).
Open/Flexible PTO/Annual leave 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.

Crossmedia is committed to providing equal employment opportunities and creating a diverse and inclusive company culture and that does not discriminate against candidates and employees because of their disability, sex, race, gender identity, sexual orientation, religion, national origin, age, veteran status, or any other basis prohibited by applicable federal, state, or local law.

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 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)

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).

In compliance with the current Americans with Disabilities Act and state and local laws, if you have a disability and would like to request an accommodation to apply for a position with Crossmedia, please email people.team@xmedia.com. (US based candidates).