Assistant Buyer, Paid Social

crossmediainc

New York, New York · New York · United States

Posted Aug 5, 2026

Internship
Hybrid
One Marketplace

Apply on company site

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.

We're looking for curious, collaborative, and motivated individual who is excited to launch a career in media. As an Assistant Buyer, Paid Social, you'll play an important role in helping plan, execute, and optimize paid social campaigns for a diverse portfolio of clients.

This entry-level role is designed for individuals who are eager to learn. You'll receive hands-on training from experienced media professionals while developing expertise across the paid social landscape, media planning, campaign execution, reporting, and client service. Along the way, you'll build strong analytical, communication, and project management skills while working with leading social platforms and industry tools.

Success in this role comes from being organized, accountable, naturally curious, and excited to learn in a fast-paced, team-oriented environment.

At Crossmedia, it's about more than doing great work—it's about doing things the right way. Our values of Trust, Reason, and the Pursuit of Happiness guide how we work together, serve our clients, and support one another every day.

ROLE & RESPONSIBILITIES

As an Assistant Buyer, you'll support Buyers and Supervisors throughout the lifecycle of paid social campaigns by:

Assisting with planning, campaign setup, execution, and reporting across paid social platforms.
Supporting the development of media plans, presentation decks, flowcharts, spec sheets, and campaign documentation.
Gathering campaign data, platform costs, audience insights, and other information to support planning recommendations.
Collaborating with internal teams including Media Operations, Ad Operations, Finance, Analytics, and Planning to ensure campaigns launch accurately and efficiently.
Creating media contracts and maintaining accurate campaign details within internal systems.
Monitoring campaign pacing, budgets, and delivery while helping identify optimization opportunities.
Supporting campaign trafficking and quality assurance alongside Ad Operations and media partners.
Assisting with campaign reporting, proof-of-performance documentation, and post-campaign recaps.
Managing day-to-day communication with internal teams, media partners, creative agencies, and, over time, clients.
Staying current on emerging social platforms, industry trends, and new advertising opportunities.

What We're Looking For

We're looking for someone who is:

Curious and eager to build a career in digital media and advertising.
Highly organized with strong attention to detail.
Comfortable managing multiple priorities in a fast-paced environment.
An effective communicator with strong written and verbal communication skills.
Collaborative, dependable, and committed to delivering high-quality work.
Analytical and interested in using data to solve problems and improve performance.
Open to feedback and motivated by continuous learning and professional growth.

REQUIREMENTS

Bachelor's degree or equivalent experience.
Strong proficiency in Microsoft Excel, PowerPoint, and Outlook.
Excellent organizational, time management, and communication skills.
Ability to work both independently and collaboratively.
Interest in paid social media, digital marketing, or advertising is strongly preferred.
3-6+ months of hands-on experience in execution & optimization of digital media campaigns with a focus in Paid Social
Analytical skills, both the ability to interpret overall social performance and paid campaign performance (within and beyond KPIs of social platforms)
A passionate, resourceful, curious problem-solver.

Our hybrid work model gives employees flexibility while supporting collaboration, mentorship, and professional growth. Assistant Buyers should expect to work from the office at least two days per week, allowing for in-person training, team collaboration, agency meetings, and relationship building.

If you're excited to start your career in paid social advertising and want to grow alongside a supportive team that values curiosity, integrity, and innovation, we'd love to hear from you.

Salary $47-$50k - commensurate with experience (based on skills and overall qualifications)

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).