39 Advertising Assistant Jobs in El Segundo , CA

Updated daily. Most recent posting: November 11, 2026.

Account Coordinator - Honda

Supports an advertising agency’s account management team on Honda launch, regional dealer, and sponsorship campaigns. Responsibilities include coordinating meetings and campaign materials, tracking schedules and budgets, assisting with briefs and production, and supporting integrated campaigns acros...

Santa Monica, California RPA
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
Talent Assistant

Supports a talent publicist at a communications firm with administrative tasks, client requests, press materials, and coordination for photo shoots, press junkets, and premieres. The role also provides client coverage and requires strong writing, organization, and communications skills....

BEVERLY HILLS, California The Lede Company
Sales Assistant

Supports Hearst Magazines’ advertising sales team across print, digital, and social accounts. Responsibilities include responding to client requests, preparing advertising proposals and market reports, processing insertion orders, and coordinating sales documentation and administrative needs....

Santa Monica, California Hearst Communications
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 Media Planner

The Assistant Media Planner will support the Client Orchestration team by managing campaign flowcharts, budgets, and data research. The role involves assisting with campaign setup, performance reporting, and the preparation of client-facing presentations across various media channels....

Santa Monica, California RPA
Associate, Brand Strategy (2026 Auto)

The Associate, Brand Strategy supports the agency team in developing multimedia media plans and marketing recommendations. The role contributes research, planning, implementation, and stewardship while coordinating workflow, deadlines, and client-brand information....

El Segundo , California Canvas Worldwide
Associate, Brand Strategy (Cal Lotto)

The Associate, Brand Strategy supports multimedia media planning and campaign execution for Cal Lotto. Responsibilities include research and analysis, preparing strategy materials, maintaining budgets, and coordinating campaign approvals and handoffs....

El Segundo , California Canvas Worldwide
Associate, Paid Social (MGM)

The Associate, Paid Social supports paid social and search media campaigns for entertainment clients, including campaign planning, setup, optimization, pacing, and reporting. The role also assists with audience research, campaign quality checks, and post-campaign reconciliation....

El Segundo , California Canvas Worldwide
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
Junior Associate, Media Planning & Activation

Supports media planning and activation at a digital creative agency, assisting with campaign setup, QA, tracking, reporting, and coordination. The role spans paid social, search, programmatic, video, audio, and other digital and direct media channels....

Culver City, California UNFOLD Agency
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
Assistant Communications Manager – Aviation Infrastructure & Public Outreach

The Assistant Communications Manager will support public outreach and stakeholder engagement for infrastructure projects at LAX. Responsibilities include drafting construction notices, managing public inquiries, and coordinating community meetings to keep stakeholders informed....

El Segundo , California Consertus
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
Insomniac - Paid Spring Public Relations Intern

The Public Relations Intern will assist the team by drafting press releases, managing media requests, and monitoring press coverage for music festivals and events. The role involves coordinating with external agencies and maintaining press materials to support the company's communications efforts....

Calabasas, California Insomniac
Insomniac - Paid Spring Public Relations Intern

The Public Relations Intern will assist the team by drafting press releases, managing media requests, and monitoring press coverage for music festivals and events. The role involves coordinating with external agencies and maintaining press materials to support the company's communications efforts....

Calabasas, California Live Nation Entertainment
Job Types
Full-Time (45590) Part-Time (2652) Internship (2243) Freelance (1383)
Experience Level
Entry Level (9032) Senior (13831)
Fields
Social (103690) Other (91950) Online (87334) SEM (39785) Print (29004) TV (15624) Magazine (6038) Radio (5755) Viral (5450) Expand for more
Occupations
Marketing (159126) Manager (102449) Other (65216) Sales (62113) Director (36817) Coordinator (27856) Production (24367) Public Relations (19551) Designer (10608) Buyer (9410) Expand for more
State
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