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Senior Administrative Assistant Jobs in Riverside, CA

Brown & Streza LLP

Administrative Assistant

Irvine, CA · On-site

$19.25 - $26/hr

We are currently seeking an Administrative Assistant to support our Business, and Tax, Trusts, and Estates departments. This position is a floating role responsible for assisting multiple attorneys ...

Bradshaw Home

Administrative Assistant

Rancho Cucamonga, CA · On-site +1

$26 - $31/hr

The Administrative Assistant provides administrative and operational support to assigned departments and leaders. This role is responsible for coordinating schedules, arranging meetings, maintaining ...

iFlow Inc

Administrative Assistant

Irvine, CA · On-site

$19.25 - $26/hr

Administrative Assistant Location: Irvine, California Duration:5 Months Experience:3-10 Years Description: Provide general administrative and clerical support including mailing, scanning, faxing and ...

Net2Source (N2S)

Administrative Assistant

Jurupa Valley, CA · On-site

$18.25 - $24.50/hr

Administrative Assistant Full Time (40 hours/week); M-F 8am-5pm Location: Onsite - Jurupa Valley, CA Duration: 6 Months (Highly possible extension) Key Responsibilities * Manage meetings, schedules ...

Yardi

Administrative Assistant

Santa Ana, CA · On-site

$24.03 - $27/hr

As an Administrative Assistant, you will provide clerical support, including editing and preparing correspondence, generating and maintaining files, heavy calendar and meeting scheduling ...

Managed Mobile

Administrative Assistant

Placentia, CA

$20 - $22/hr

We are growing our corporate team and are in need of an experienced Administrative Assistant. Core role concentration(s) include, but are not limited to: * Answering incoming calls and directing to ...

Lennar

Administrative Assistant

Corona, CA

$20.37 - $30/hr

Administrative Assistant We are Lennar Lennar is one of the nation's leading homebuilders, dedicated to making an impact and creating an extraordinary experience for their Homeowners, Communities ...

New

Managed Mobile

Administrative Assistant

Placentia, CA · On-site

$20 - $22/hr

We are growing our corporate team and are in need of an experienced Administrative Assistant. Core role concentration(s) include, but are not limited to: * Answering incoming calls and directing to ...

DaVita

Administrative Assistant

Corona, CA · On-site

$25 - $30/hr

Administrative Assistant (AA) - InCenter Hemodialysis (ICHD) Employment Type: Part-Time Schedule: Flexible, based on the clinic's operational needs We encourage fun, on and off the clock. Be the ...

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Showing results 21-40

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

What are popular job titles related to Senior Administrative Assistant jobs in Riverside, CA?

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

Brown & Streza LLP

Irvine, CA • On-site

$19.25 - $26/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 28 days ago

Job description

Join an Award-Winning Team

38-hour Workweek | Half Day Every Friday

Compensation: $55,000 – $70,000 (commensurate with experience, and qualifications)

For over five decades, Brown & Streza has been a trusted Orange County law firm serving high‑net‑worth families, closely held businesses, and charitable organizations in sophisticated practice areas such as estate planning, business planning, complex income tax, mergers and acquisitions, and the charitable sector.

We are honored to have been named a 2025 Top Workplace by the Orange County Register and a 2026 Best Place to Work by the OC Business Journal, distinctions based on confidential employee feedback.

We are currently seeking an Administrative Assistant to support our Business, and Tax, Trusts, and Estates departments. This position is a floating role responsible for assisting multiple attorneys and staff with various administrative duties, including providing coverage for employees who are on vacation, out sick or on leave.

This role requires exceptional customer service skills, strong time management abilities, and meticulous attention to detail. The ideal candidate will thrive in a fast-paced legal environment, handle competing priorities with professionalism, and contribute to the efficient operation of the department.

If you value precision, enjoy engaging with clients, and are eager to grow your career in a firm that prioritizes professional development and invests in its people, we would welcome the opportunity to meet you.


What You'll Do

  • Assist with coverage for administrative assistants, file clerks, and paralegals who are out of the office
  • Provide heavy calendaring support for attorneys, including scheduling and managing complex appointments
  • Coordinate with internal departments to confirm meetings and ensure scheduling accuracy
  • Complete billing entry and expense reports for attorneys
  • Communicate professionally with clients via phone and email
  • Create, update, and maintain database records with a high level of accuracy
  • Prepare routine correspondence and administrative documents
  • Help prepare documents for client meetings
  • Update project lists and spreadsheets
  • Prepare flow charts for clients to depict project details
  • Assist with document production, formatting, and organization


What You’ll Bring

Required

  • Minimum one year of administrative experience in a law firm or office environment
  • Excellent administrative, verbal, and written communication skills
  • Strong attention to detail with a high degree of accuracy
  • Exceptional customer service skills and a professional demeanor
  • Excellent time management and organizational abilities, with the capacity to manage multiple priorities
  • Accurate typing skills and prior experience with Windows and Microsoft Office applications
  • Ability to operate standard office equipment, including computers, photocopiers/scanners, and fax machines

 Preferred

  • Two years of experience as an Executive Assistant, Administrative Assistant, or Legal Secretary in a law firm setting
  • Experience working with document management systems and CRM platforms
  • College degree
     

What We Offer

Health & Wealth

  • Five medical plans — three with an employer-funded HSA
  • Dental and vision coverage
  • 401(k) with significant employer matching
  • Employer-paid life and disability coverage
  • Employee Assistance Program (EAP)
  • Access to additional supplemental insurance plans 

Time & Flexibility 

  • 38-hour workweek with a half day on Fridays
  • Hybrid work schedule (after successfully completing 90 days of employment)
  • Eleven paid holidays annually

Culture & Community

  • Recognized as a 2025 Top Workplace by the Orange County Register
  • Named a 2026 Best Place to Work by the OC Business Journal
  • “Raving Fan” service culture grounded in seven core values
  • Weekly team lunches and monthly birthday celebrations 
  • Firm‑sponsored events (e.g., Administrative Professionals Day, Summer Party, Harvest Luncheon, Holiday Party)
  • Employee recognition program and in‑office massage offerings

Your Day-to-Day (Irvine office)

  • Newly remodeled office space with state‑of‑the‑art technology
  • Newly remodeled on‑site gym, complimentary for employee use
  • Courtyard, lounge, and café within the office complex
  • Convenient on‑site services, including dry cleaning, auto detailing, and car wash
  • Complimentary snacks and refreshments
  • Catered lunch provided every Tuesday


Ready to grow your career at an award‑winning firm?

Apply through the link below — we carefully review every application and will follow up regarding next steps.

 

Equal Opportunity Statement

Brown & Streza, LLP is an Equal Opportunity Employer that does not discriminate on the basis of actual or perceived race, color, creed, religion, national origin, ancestry, citizenship status, age, sex or gender (including pregnancy, childbirth, pregnancy-related conditions, and lactation), gender identity or expression (including transgender status), sexual orientation, marital status, military service and veteran status, physical or mental disability, genetic information, or any other characteristic protected by applicable federal, state, or local laws and ordinances.