167 Firm Event Planning jobs in Ontario, California

Updated daily. Most recent posting: May 30, 2026.

Project Manager, Corporate Events

FIRST is a leading global brand experience agency providing Content, Creative, Digital Technology, Management & Delivery, and Data & Insights services. Full life-cycle planning and execution of multiple key events in a virtual, in-person and hybrid capacityFinancial management, including: budget dev...

Los Angeles, California First Global Management Services, Inc.
Special Events Coordinator

The Special Events Coordinator will manage the end-to-end planning and execution of 30-50 annual events for the USC Gould School of Law. This role involves coordinating logistics, managing volunteer committees, and supporting CLE activities in a fast-paced academic and legal environment....

Los Angeles, California University of Southern California
Events Assistant

Job Description As an Events Assistant at Sonar Spark, you'll play a crucial role in supporting the planning, coordination, and execution of a variety of events that enhance our clients' brand visibility and engagement. Support event setup, execution, and breakdown, ensuring all aspects are handled ...

Riverside, California Elevare Branding
ZSB EVENT MANAGEMENT: Student coordinator(s)

Job Description: Student Event Coordinators are responsible for supporting the planning, coordination, setup, execution, and breakdown of internal and external events held in and around the Troesh Conference Center, Atrium, Rotunda, and other designated/approved areas within or around the Zapara Sch...

Riverside, California La Sierra University
Sr. Event Manager, Speakers

The Senior Event Manager is responsible for overseeing end-to-end logistics and client relations for high-profile speaking engagements. This role involves managing travel, security, and event briefings while serving as the primary liaison between clients and buyers....

Los Angeles, California Creative Artists Agency
Event Production Associate

It is not a 9 to 5. Is genuinely good with numbers and detail, not just comfortable with spreadsheets but someone who catches errors and thinks in costs and quantities naturallyCommunicates in flawless written and spoken English at a professional level appropriate to premium clients and luxury brand...

Los Angeles, California Melissa Andre Design Company
Event Producer

The Event Producer will manage the end-to-end production of unique live experiences within the Fever Originals team. This role involves coordinating third-party vendors, overseeing creative deliverables, and researching new production technologies to enhance event quality....

Los Angeles, California Fever
Private Bank Event Planner – Senior Associate

The Senior Associate will manage the end-to-end planning and execution of high-touch client events for a private bank. This role involves developing event strategies, managing budgets and vendors, and ensuring all activities align with the firm's brand standards and business objectives....

Los Angeles, California JPMorgan Chase & Co.
Event setup

We curate each event to suit our vibe and you'll be a fixture in ensuring the success of each one, leading up to and beyond our official launch! Your energy and attention to detail will help transform venues into captivating settings that leave a lasting impression on our guests. Ensure all event ma...

Los Angeles, California Tamber
Event Manager (all genders) - Automotive Brand Experience

This Event Manager role focuses on creating high-profile automotive brand activations and live experiences in Los Angeles. The position involves managing the full event lifecycle, from concept development and vendor coordination to on-site execution and performance analysis....

Los Angeles, California LIGANOVA
Event Manager, Corporate Event Planning

As a member of our rockstar team, you’ll bring to life a variety of corporate events ranging from carnival-themed seminars to Latin nightclub receptions all while collaborating with professionals who are equally as passionate about creating memorable experiences as you!This is what WE offer YOU...A ...

Riverside, California cohera
Special Events Coordinator

The Special Events Coordinator is responsible for the strategic development, planning, and execution of a wide range of events throughout the year. The candidate must be an effective communicator - both in writing and in person - and able to work professionally with a wide range of internal and exte...

Glendale, California University of Southern California
Associate Event Management

KPMG is currently seeking an Associate, Event Management to join our Events & Meetings organization. Qualifications: • Minimum one year of recent experience in events and meeting planning, preferably within a professional services firm • Bachelor's degree from an accredited college or university is ...

Los Angeles, California KPMG Careers
Event Coordinator

About Us In this role, you will be responsible for planning, executing, and managing a variety of events, from corporate functions and conferences to social gatherings and community initiatives. Your creativity and attention to detail will be vital in transforming client visions into successful real...

Riverside, California Connexa Worx
Associate, Event Management

KPMG is currently seeking an Associate, Event Management to join our Events & Meetings organization. Responsibilities: • Plan and execute on events or programs to include but not limited to project timelines, budgeting and approvals, data analysis and reporting, research and sourcing, support of age...

Los Angeles, California KPMG US
Event Specialist

This role supports the events team for both Second Song and Blitz Nation. client experience and internal coordination from the booking of an event through event - Stay ahead of all event tasks through 17hats. - Is excited and comfortable with turning information from multiple sources into organized ...

Los Angeles, California Second Song
Bi Lingual Event Planner & Agency Assistant

Job details are as follow: - Assist with pitches and submissions on various casting platforms as needed - Sending out audition notices, confirming or replacing talents - Updating photos, resume and managing client's profiles - 2 + years experience in Event Planning or Leadership skills...

Los Angeles, California Confidential
Event Specialist

Company Description We combine strategic insight, creative execution, and data-driven planning to help organizations elevate their market presence and strengthen customer engagement. Our culture is rooted in collaboration, professional growth, and excellence in execution. Elevare Branding is seeking...

Riverside, California Alphabe Insight Inc
Event Specialist

Company Description We combine strategic insight, creative execution, and data-driven planning to help organizations elevate their market presence and strengthen customer engagement. Our culture is rooted in collaboration, professional growth, and excellence in execution. Elevare Branding is seeking...

Riverside, California Elevare Branding
Event Specialist

This role supports the events team for both Second Song and Blitz Nation. client experience and internal coordination from the booking of an event through event - Stay ahead of all event tasks through 17hats. - Is excited and comfortable with turning information from multiple sources into organized ...

Los Angeles, California Second Song
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