109 Assistant Event Planning jobs in Rancho Cucamonga, California

Updated daily. Most recent posting: July 25, 2026.

Administrative Assistant & Event Specialist

This role involves providing administrative support and event coordination within a school district office environment. The position requires proficiency in office software, strong organizational skills, and adherence to specific religious and conduct standards....

Rancho Cucamonga, California United Christian Academy
EVENT DESIGNER + with Sales (proposals, mockups, execution)

The Simple Luxe Events & Builds is a full-service event design, fabrication, and production company specializing in custom backdrops, large-scale balloon installations, soft play, floral design, and creative event experiences. We are seeking an experienced Event Designer + Sales Experience who can c...

Norwalk, California The Simple Luxe Events & Builds
Event Assistant

We are hiring an Events Assistant to represent client brands through face-to-face sales at events and retail locations in Riverside. Conduct face-to-face sales at events, pop-ups, and retail activationsEngage customers and clearly communicate product features and benefitsAnswer questions and handle ...

Riverside, California Ascend Marketing
Entry-Level Event Sales Assistant

AMP Branding is hiring an Entry-Level Event Sales Assistant to support our face-to-face promotional events in Riverside, CA. This is a customer-facing role where sales, communication, and in-person interaction are key parts of the day-to-day responsibilities. Assist with event setup, breakdown, and ...

Riverside, California AMP Branding
Supervisor, Entertainment & Gaming, Event Manager ​/ Planner

SHOW OFF AND DEVELOP THOSE MANAGEMENT SKILLS * Lead the team and influence them through effective motivation; leverage the individual strengths of your team members to ensure guest satisfaction and maximize center productivity by working with your team side by side every day. Your communication skil...

Riverside, California Bowlero Corp
Executive Assistant and Event Coordinator

Supporting the Executive Leadership Team in a hybrid capacity, the full-time Executive Assistant and Event Coordinator will manage calendars, coordinate company events, and enhance employee experiences while fostering a positive workplace culture. Key Responsibilities: Provide administrative support...

Fontana, California VirtualVocations
Event Assistant

Join us and be a part of the diverse Caltech community. Schedule flexibility is required for this occasional position between the hours of 6:30 am and 4:30 pm, and occasional evenings, 3:00 pm to 8:00 pm, from September to December 2026. To read more Equal Employment Opportunity (EEO) go to eeoc_sel...

Pasadena, California Caltech
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
Event Planner

Looking for an event planner with experience with a Circuit Machine, Invoicing, and other office skills and an Assistant. Company DescriptionDetail-oriented Client-focused Resourceful Efficient Creative...

Anaheim, California Ella Events Co.
Director of Event Production

Essential Duties And Responsibilities Other duties may be assigned. Operates, maintains, supervises, and safeguards the media assets of Athletics Department venues including but not limited to theatrical lighting, sound, video displays/equipment, computers, staging, rigging, and control equipment in...

Riverside, California SANDBOX
Retail Event Coordinator

The Retail Event Coordinator is responsible for planning and facilitating in-store events, such as children's birthday parties and craft classes, while providing excellent customer service. The role also involves general retail operational duties, including merchandise stocking, checkout assistance,...

Apple Valley, California Michaels Stores
Event Coordinator of Conference and Events

The Event Coordinator assists with the coordination and development of signature events and academic programming, carrying out assigned duties and responsibilities in a manner that reflects the Christian values of California Baptist University (CBU). Other duties may be assigned. Communicates with e...

Riverside, California California Baptist University
Events Assistant

About the position Elevare Branding is seeking a detail-oriented and motivated Events Assistant to support the planning and execution of corporate events, brand activations, and promotional campaigns. This role offers an excellent opportunity to gain hands-on experience in event coordination while c...

Riverside, California Alphabe Insight Inc
Events Manager - Quick Hire!

Known for its commitment to providing excellent education and fostering innovative research, UCR serves a diverse body of students while supporting a vibrant academic and community culture. Within this dynamic college environment, the role of the Events Manager is crucial to the success and visibili...

Riverside, California University of California, Riverside
Event Assistant

LMN Studio is a dynamic marketing agency that fuses creativity with strategic insight to elevate local brands. Founded in 2025, the studio specializes in crafting bold and localized campaigns—Content marketing deeply rooted in a vibrant culture. Overview We are seeking a motivated and detail-oriente...

Riverside, California Lumina Studio
Event Assistant

LMN Studio is a dynamic marketing agency that fuses creativity with strategic insight to elevate local brands. Founded in 2025, the studio specializes in crafting bold and localized campaigns—Content marketing deeply rooted in a vibrant culture. Overview We are seeking a motivated and detail-oriente...

Riverside, California Lumina Studio
Event Planning Assistant

In this pivotal role, you will be instrumental in crafting, coordinating, and executing a variety of exciting events designed to enhance our clients' brand visibility and engagement. If you are a detail-oriented individual with strong organizational skills and a passion for creating memorable experi...

Riverside, California Elevare Branding
Events Assistant

Company Description Trillex Events is a dynamic and fast-growing events company dedicated to delivering memorable brand experiences and high-quality service to our clients. We combine creativity, precision, and operational excellence to execute retail activations and event-driven campaigns that leav...

Riverside, California Alphabe Insight Inc
Entry-Level Event Sales Assistant

AMP Branding is hiring an Entry-Level Event Sales Assistant to support our face-to-face promotional events in Riverside, CA. This is a customer-facing role where sales, communication, and in-person interaction are key parts of the day-to-day responsibilities. Key Responsibilities • Assist with event...

Riverside, California AMP Branding
Events Assistant

Company Description Trillex Events is a dynamic and detail-driven event company specializing in the planning and execution of high-quality corporate, promotional, and experiential events. Our team thrives in a collaborative, fast-paced environment where precision and innovation come together to crea...

Riverside, California Alphabe Insight Inc
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