85 Advertising Internships in South Plainfield, NJ

Updated daily. Most recent posting: June 28, 2026.

Creative Marketing & Design Associate

Beginning as a conference consulting & advisory firm helping other conference organizations launch, produce and grow institutional investor & thought leadership gatherings - roundtable & advisory is now engaged in developing, producing & launching City senior leadership summits focused on growth, in...

New York, New York roundtable&advisory
Marketing Intern – Luxury Real Estate

Conquest Advisors is a boutique luxury real estate advisory firm based in New York City, specializing in high-end residential transactions and investment opportunities for both domestic and international clients. We are looking for a motivated Marketing Intern to support our agents and leadership te...

New York, New York Conquest Advisors
Summer 2026 Digital & Integrated Marketing Apprentice

This apprenticeship program offers post-graduate students hands-on experience in digital strategy, social media management, and financial communications. Participants will support agency teams by utilizing analytics tools, managing social media campaigns, and assisting with digital marketing initiat...

New York, New York Prosek Partners
Talent Acquisition Marketing & Digital Ads Specialist

Maximus is seeking a Digital Advertising Recruitment Associate Specialist SkillBridge trainee in Trenton, New Jersey. The role involves assisting in digital recruitment campaigns, promoting employer branding, and supporting hiring events. Key requirements include a Bachelor's degree in a related fie...

Trenton, New Jersey Maximus
Influencer Marketing Intern

The Influencer Marketing Intern will support the growth of the brand's influencer and affiliate programs by managing creator outreach, sample logistics, and campaign reporting. This role focuses on building relationships with content creators across TikTok, Instagram, and YouTube to drive brand awar...

New York, New York Fi
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