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Senior Administrative Assistant Jobs in Riverside, CA

Professional Search Group - Orange County

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Administrative Assistant

Ontario, CA · On-site

$30 - $35/hr

The Sr . Administrative Assistant serves as an experienced administrative professional, responsible for supporting management staff by coordinating special projects, organizing department activities ...

Vaco LLC

Senior Administrative Assistant

Irvine, CA · On-site

Our client is seeking a highly organized, proactive, and professional Senior Administrative Assistant to support senior leadership. This individual will play a critical role in keeping executives ...

Pitzer College

Faculty Administrative Assistant

Claremont, CA · On-site

$17.75 - $24/hr

Office of Dean of Faculty Supervisor: Sr. Administrative Coordinator for Academic Affairs GENERAL DESCRIPTION The Faculty Administrative Assistant performs a broad range of administrative and general ...

Vaco LLC

Senior Administrative Assistant

Irvine, CA · On-site

About the Role Our client, a well-established real estate firm, is seeking a Senior Administrative Assistant to support daily office operations and leadership. This is a high-visibility role where ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant Job Description/Bulletin JNH Lifestyles is currently seeking an experienced Administrative Assistant to join our growing team. The position will be responsible for performing ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant /Bulletin JNH Lifestyles is currently seeking an experienced Administrative Assistant to join our growing team. The position will be responsible for performing a wide range ...

JNH Lifestyles

Administrative Assistant

Irvine, CA · On-site

$22 - $24/hr

Administrative Assistant /Bulletin JNH Lifestyles is currently seeking an experienced Administrative Assistant to join our growing team. The position will be responsible for performing a wide range ...

Alphabe Insight Inc

Administrative Assistant

Santa Ana, CA · On-site

$50K - $60K/yr

We are currently seeking a highly organized and detail-oriented Administrative Assistant to support our daily operations and ensure the smooth running of our office. The ideal candidate will be a ...

Maxonic Inc.

Administrative Assistant

Pomona, CA · On-site

$25/hr

Administrative Assistant Job Type: Contract Job Location: Pomona, CA Work Schedule: Onsite Pay Rate: $25, Based on experience Description: Job Duties: * Performs office duties including scheduling ...

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All JobsAdministrative JobsSenior Administrative Assistant JobsSenior Administrative Assistant Jobs in Riverside, CA

Senior Administrative Assistant information

See Riverside, CA salary details

$14

$28

$46

How much do senior administrative assistant jobs pay per hour?

As of Sep 3, 2026, the average hourly pay for senior administrative assistant in Riverside, CA is $28.49, according to ZipRecruiter salary data. Most workers in this role earn between $22.31 and $32.60 per hour, depending on experience, location, and employer.

What is a senior administrative assistant?

A senior administrative assistant performs office duties for one or more upper-level executives. Job duties often include answering the phone, scheduling meetings, and greeting office visitors. A senior administrative assistant may also coordinate events, make travel arrangements, or supervise junior executive assistants. Qualifications for this career include prior experience as an assistant or in an office environment and attention to detail.

How does a senior administrative assistant typically collaborate with executives and other team members?

A Senior Administrative Assistant often acts as a key liaison between executives and other staff, managing schedules, coordinating meetings, and facilitating communication. They frequently handle confidential information and prioritize tasks to ensure that leadership’s time is used efficiently. Collaboration often extends to supporting multiple departments, organizing cross-functional projects, and streamlining workflows to improve overall office efficiency. This role requires strong interpersonal skills and the ability to adapt quickly to changing priorities in a dynamic team environment.

What are the key skills and qualifications needed to thrive as a senior administrative assistant, and why are they important?

To thrive as a Senior Administrative Assistant, you need strong organizational abilities, attention to detail, and proficiency in office management, usually supported by relevant experience or an associate degree. Expertise in Microsoft Office Suite, calendar management systems, and sometimes project management tools or certifications like CAP (Certified Administrative Professional) is highly valued. Excellent communication, multitasking, and problem-solving skills help you stand out in this role. These qualities are essential for efficiently supporting executives, managing complex schedules, and ensuring smooth office operations.

What is the difference between Senior Administrative Assistant vs Administrative Assistant?

AspectSenior Administrative AssistantAdministrative Assistant
CredentialsTypically requires 3+ years experience, relevant certifications (e.g., Microsoft Office Specialist)Entry-level, often no formal certifications required
Work EnvironmentSupports multiple departments, handles complex tasks, may supervise junior staffPerforms basic clerical duties, supports a single department or team
Employer & Industry UsageCommon in corporate, healthcare, legal sectorsWidespread across various industries, including retail and education

The main difference is that a Senior Administrative Assistant has more experience, handles more complex tasks, and may supervise others, whereas an Administrative Assistant performs basic clerical duties with less experience required.

More about Senior Administrative Assistant jobs

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For Senior Administrative Assistant jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Senior Administrative Assistant jobs in Riverside, CA look for?

The top searched job categories for Senior Administrative Assistant jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Senior Administrative Assistant jobs?

Cities near Riverside, CA with the most Senior Administrative Assistant job openings:

Senior Administrative Assistant jobs near you
Infographic showing various Senior Administrative Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 56% Full Time, 38% Part Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $59,255 per year, or $28.5 per hour.

Administrative Assistant

EXPERT Assembly Services, Inc

Tustin, CA

$18.75 - $25.50/hr

Full-time

Re-posted 3 days ago

Job description

Urgent need of a senior administrative assistant in our successful upgrowing firm.This senior administrative assistant will perform a wide range of administrative and office support activities for our head managers and supervisors to facilitate the efficient operation of our organization. Responsibilities include answering, screening and transfering inbound phone calls, also receive and direct visitors and clients. General clerical duties including photocopying, fax and mailing

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