34 Advertising Assistant Jobs in Irvine, CA

Updated daily. Most recent posting: November 10, 2026.

Assistant Account Executive, Influencer & Celebrity Relations

Supports influencer and celebrity relations strategies for beauty and wellness clients, including talent outreach, gifting, social campaign logistics, events and press releases. Tracks social metrics and contributes to client reports and creative activation ideas....

Los Angeles, California BPCM
Programmatic AdOps Intern (Unpaid)

ODK Media is seeking a Programmatic AdOps Intern to assist with the technical management and delivery of digital advertising campaigns across web and streaming platforms. The role involves troubleshooting ad delivery, analyzing performance data, and collaborating with the operations team to optimize...

Irvine, California ODK Media
Social Media Management Internship

The intern will learn and support social media management under the organization’s marketing team, including content creation, channel management, advertising, and analytics. The 10-week program also offers opportunities to develop skills in areas such as influencer marketing, reputation management,...

Rancho Cucamonga, California National CORE
Assistant, The Wall Group

Provides administrative and booking support to a business leader and artists at The Wall Group. Responsibilities include managing communications, calendars, booking documents, billing, travel, scheduling, research, and special projects....

Los Angeles, California WME
Assistant Product Manager

The Assistant Product Manager supports BenQ’s consumer projector line, balancing sales forecasting, inventory, and production allocation with product positioning and market analysis. The role also contributes to digital marketing, e-commerce visibility, product launches, and coordination across inte...

Costa Mesa, California BenQ North America
Entry Level Communications Assistant

Supports communications, public relations, and marketing activities by creating and editing press releases, newsletters, social posts, and website content. The role also helps coordinate campaigns and events, monitor media coverage, and maintain communications resources....

Los Angeles, California SharpContra
Sales Assistant

Supports account executives at an outdoor advertising company by preparing client proposals, maps, demographic information, and performance reports. The role assists the sales process for advertising media products rather than handling marketing or agency account management....

Los Angeles, California Clear Channel Outdoor
Public Relations Assistant

The Public Relations Assistant will support brand awareness initiatives and coordinate outreach activities to strengthen company reputation. The role involves managing external communications, preparing promotional materials, and fostering positive relationships with customers and the public....

Los Angeles, California Zolidco
Communications Assistant- Immediate Start

The Communications Assistant will support company initiatives by preparing materials, coordinating communication activities, and assisting with customer engagement projects. The role focuses on maintaining clear messaging and supporting promotional efforts to strengthen public and customer relations...

Los Angeles, California Zolidco
Marketing Assistant

The Marketing Assistant will support promotional activities, prepare marketing materials, and assist with customer-facing brand initiatives. The role involves coordinating team resources, gathering customer feedback, and contributing to the execution of marketing campaigns....

Los Angeles, California Lorygen Group
Marketing Associate - Industrial Color Extended

Industrial Color is seeking a temporary Marketing Associate to support a global beauty client with campaign development, trend research, and project management. The role involves tracking social media trends, managing marketing calendars, and coordinating product samples for marketing initiatives....

Los Angeles, California CoCreativ
PR Assistant, Content (Film, TV, Streaming, Entertainment)

This role is an entry-level public relations assistant position at a communications agency specializing in entertainment. The assistant will support the team by managing media lists, conducting research, and monitoring industry news for film and television clients....

Remote (Los Angeles, California) Sunshine Sachs Morgan & Lylis
Social Media & Content Assistant

This is a part-time, entry-level / early-career opportunity for someone who understands social media, short-form content, visual presentation, and how platforms like TikTok and Instagram work. I'm looking for someone who can help turn ideas into actual posts, assist with getting content published co...

Los Angeles, California DSOTD
Student Social Media Assistant

The Student Social Media Assistant will support the Wilkinson College Dean's Office by creating, scheduling, and publishing content across social media platforms. The role focuses on promoting college events and initiatives while helping to develop campaigns to engage students, alumni, and faculty....

Orange, California Chapman University
Strategic Partner Development Lead, Ad Platforms

Note: By applying to this position you will have an opportunity to share your preferred working location from the following: Mountain View, CA, USA; New York, NY, USA; San Francisco, CA, USA; Los Angeles, CA, USA. Experience managing agreements or partnerships. Experience with partner management or ...

Los Angeles, California Google
Marketing Assistant

The Marketing Assistant will support the marketing department by managing social media content, coordinating dealership events, and updating website promotions. This role involves collaborating with internal managers and external vendors to execute digital marketing campaigns and maintain brand cons...

Riverside, California Walter's Automotive Group
Marketing Specialist - AI

The AI Rendering and Creative Production Assistant will create AI-generated imagery and assist with product photography and graphic design tasks. This entry-level position supports the marketing and creative workflow by producing visual assets for the company....

Tustin, California Bedrosians Tile and Stone
Public Relations Assistant

The Public Relations Assistant will support outreach initiatives, promotional activities, and customer engagement efforts to build brand awareness. The role involves communicating product information, managing community relationships, and assisting with lead generation and promotional events....

Los Angeles, California Zolidco
Temporary Marketing Associate - Industrial Color Extended

The Temporary Marketing Associate will support a global beauty client by assisting with campaign development, product launches, and marketing operations. Responsibilities include conducting market and influencer research, maintaining marketing calendars, and providing project support to the marketin...

Los Angeles, California CoCreativ
Marketing Assistant

The Marketing Assistant will support promotional campaigns, customer engagement activities, and lead generation efforts. The role involves presenting products to customers, assisting with event materials, and collaborating with the team to meet marketing and sales goals....

Los Angeles, California Zolidco
Job Types
Freelance (1378) Full-Time (45379) Part-Time (2632) Internship (2222)
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Fields
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