Assistant Buyer, Paid Social

Crossmedia is the global media independent, committed to doing media and business the right way—guided by the principles of TRUST, REASON, and the Pursuit of HAPPINESS. Founded in New York in 2000, Crossmedia US is one of the largest minority-owned full-service media planning & buying agencies in the nation. With 500+ employees worldwide, we create innovative connections between brands and people across channels and budgets, prioritizing transparency, objectivity, and values. Our client roster includes U.S. Bank, Invesco, Newell Brands, NASCAR, Planet Fitness, American Cancer Society, Ricola, Herschend Family Entertainment, Zalando, Edible Arrangements, and Citizens Bank.

About the role

We're looking for a curious, collaborative, and motivated Assistant Buyer, Paid Social to launch a career in media. In this entry-level role, you’ll support the planning, execution, and optimization of paid social campaigns for a diverse portfolio of clients. You’ll receive hands-on training from experienced professionals while developing expertise in media planning, campaign execution, reporting, and client service. Success in this role requires organization, accountability, curiosity, and a team-oriented mindset. At Crossmedia, we prioritize doing things the right way, guided by our values of Trust, Reason, and the Pursuit of Happiness.

Responsibilities

• Assist with planning, campaign setup, execution, and reporting across paid social platforms.
• Support the development of media plans, presentation decks, flowcharts, spec sheets, and campaign documentation.
• Gather campaign data, platform costs, audience insights, and other information to support planning recommendations.
• Collaborate with internal teams (Media Operations, Ad Operations, Finance, Analytics, and Planning) to ensure accurate and efficient campaign launches.
• Create media contracts and maintain accurate campaign details within internal systems.
• Monitor campaign pacing, budgets, and delivery while identifying optimization opportunities.
• Support campaign trafficking and quality assurance alongside Ad Operations and media partners.
• Assist with campaign reporting, proof-of-performance documentation, and post-campaign recaps.
• Manage day-to-day communication with internal teams, media partners, creative agencies, and (over time) clients.
• Stay current on emerging social platforms, industry trends, and new advertising opportunities.

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 in a fast-paced environment.
• Interest in paid social media, digital marketing, or advertising (strongly preferred).
• 3-6+ months of hands-on experience in execution & optimization of digital media campaigns with a focus in Paid Social.
• Analytical skills to interpret social and paid campaign performance (within and beyond platform KPIs).
• A passionate, resourceful, and curious problem-solver.

Skills

• Highly organized with strong attention to detail.
• Comfortable managing multiple priorities.
• Effective written and verbal communication.
• Collaborative, dependable, and committed to high-quality work.
• Open to feedback and motivated by continuous learning and professional growth.

Schedule

Our hybrid work model offers flexibility while supporting collaboration and mentorship. Assistant Buyers are expected to work from the office at least two days per week for in-person training, team collaboration, and relationship building.

Pay

Salary range: $47,000–$50,000, commensurate with experience (based on skills and qualifications).

Benefits

• Hybrid work flexibility (in-office and remote options, depending on role).
• Open/flexible PTO and 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 and support.
• The Pursuit of Happiness Fund (for travel, enrichment classes, fitness memberships, or professional development).
• Cell phone/tech reimbursement.
• Student loan payment plan (US).
• Tuition reimbursement and learning & development programs.