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Project Administrative Assistant Jobs in Riverside, CA

AltaMed

Administrative Assistant II

Santa Ana, CA

$25 - $29.32/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

... projects, and preparing and monitoring invoices and expense reports. In addition, the Administrative Assistant researches and creates presentations, generates reports, and represents management at ...

PDS Health

Regional Administrative Assistant

Corona, CA · On-site

$20.50 - $28.50/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Regional Administrative Assistant Under the direction of the Regional Partner, the Regional ... Create and manage departmental project calendars Qualifications * Associate's Degree in business or ...

Clark Pacific

Administrative Assistant I

Ontario, CA

$18 - $24.25/hr

The Administrative Assistant I position provides general office and administrative support in a ... Exercise a high level of professionalism and confidentiality when working with staff, projects and ...

Clark Pacific

Administrative Assistant I

Ontario, CA

$23 - $30/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The Administrative Assistant I position provides general office and administrative support in a ... Exercise a high level of professionalism and confidentiality when working with staff, projects and ...

Clark Pacific

Administrative Assistant I

Ontario, CA

$18.25 - $24.75/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The Administrative Assistant I position provides general office and administrative support in a ... Exercise a high level of professionalism and confidentiality when working with staff, projects and ...

Clark Pacific

Administrative Assistant I

Ontario, CA · On-site

$18 - $24.25/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

The Administrative Assistant I position provides general office and administrative support in a ... Exercise a high level of professionalism and confidentiality when working with staff, projects and ...

InnovAge

Administrative Assistant III

San Bernardino, CA

$24.42 - $34.23/hr

Responsibilities The Administrative Assistant III is responsible for providing administrative ... Completes miscellaneous projects for the team as appropriate. * Attends meetings, performs setup ...

InnovAge

Administrative Assistant III

San Bernardino, CA

$24.42 - $34.23/hr

Responsibilities The Administrative Assistant III is responsible for providing administrative ... Completes miscellaneous projects for the team as appropriate. * Attends meetings, performs setup ...

The Star Companies

Administrative Assistant

Placentia, CA · On-site

$24 - $25/hr

  • Medical

  • Dental

  • Vision

  • PTO

Compliance & Reporting: Assist with reports, data entry, and documentation to ensure accuracy and ... Able to work efficiently, handle multiple projects with appropriate prioritization, adhere to quick ...

New

The Star Companies

Administrative Assistant

Placentia, CA · On-site

$24 - $25/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Administrative Support: Answer incoming phone calls, respond to resident inquiries and email ... Able to work efficiently, handle multiple projects with appropriate prioritization, adhere to quick ...

New

The Star Companies

Administrative Assistant

Placentia, CA · On-site

$24 - $25/hr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Administrative Support: Answer incoming phone calls, respond to resident inquiries and email ... Able to work efficiently, handle multiple projects with appropriate prioritization, adhere to quick ...

BMR Partners Inc.

Administrative Assistant

Orange, CA · On-site

$19.25 - $26/hr

Description: Part time role that will provide administrative support throughout the licensing and ... Self-starter, resourceful and able to execute projects in a fluid and fast-paced environment * Good ...

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Showing results 41-60

All JobsProject Administrative JobsProject Administrative Assistant JobsProject Administrative Assistant Jobs in Riverside, CA

Project Administrative Assistant information

See Riverside, CA salary details

$14

$24

$36

How much do project administrative assistant jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for project administrative assistant in Riverside, CA is $24.66, according to ZipRecruiter salary data. Most workers in this role earn between $20.05 and $28.08 per hour, depending on experience, location, and employer.

What is a project administrative assistant?

Project Administrative Assistants are professionals who provide essential support to project managers and teams by handling administrative tasks such as scheduling meetings, preparing documents, maintaining project records, and facilitating communication among team members. They help ensure that projects run smoothly by organizing logistics, tracking deadlines, and assisting with budgeting or reporting. Their role is crucial for keeping projects on track, allowing project managers to focus on higher-level planning and execution.

How does a project administrative assistant typically collaborate with project managers and other team members?

A Project Administrative Assistant plays a key role in supporting project managers and teams by handling scheduling, preparing documentation, and coordinating meetings. They often serve as a communication hub, ensuring that information flows smoothly between stakeholders, team members, and external partners. This position frequently involves tracking project progress, managing shared resources, and assisting with reporting tasks, which helps keep everyone aligned and projects on track. Collaboration is usually facilitated through regular team meetings, shared digital platforms, and close partnership with project leads.

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

To thrive as a Project Administrative Assistant, you need strong organizational skills, attention to detail, and proficiency in office administration, often supported by an associate degree or equivalent experience. Familiarity with project management software (such as Microsoft Project or Asana), spreadsheets, and document management systems is typically required. Excellent communication, multitasking, and problem-solving abilities help you effectively support project teams and manage competing priorities. These skills are vital for ensuring projects run smoothly, deadlines are met, and administrative processes are efficient.

What is the difference between Project Administrative Assistant vs Project Coordinator?

AspectProject Administrative AssistantProject Coordinator
CredentialsHigh school diploma or equivalent; some roles may prefer administrative certificationsBachelor's degree often preferred; certifications like CAPM can be advantageous
Work EnvironmentOffice settings, supporting project teams with administrative tasksOffice or on-site, managing project schedules and communication
Employer & Industry UsageCommon in construction, IT, and corporate sectorsUsed across various industries including engineering, IT, and marketing
Search & Comparison IntentFocuses on administrative support roles within projectsInvolves coordinating project activities and timelines

The Project Administrative Assistant primarily handles administrative tasks to support project teams, while the Project Coordinator manages project schedules, communication, and coordination efforts. Both roles are essential but differ in scope and responsibilities within project environments.

How much is a project administrative assistant paid?

The average salary for a project administrative assistant ranges from $40,000 to $55,000 per year, depending on experience, location, and industry. Entry-level positions may start lower, while experienced assistants or those with specialized skills can earn higher wages. Compensation often includes benefits such as health insurance and paid time off.

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

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

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

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

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

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

Project Administrative Assistant jobs near you
Infographic showing various Project Administrative Assistant job openings in Riverside, CA as of August 2026, with employment types broken down into 85% Full Time, 11% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $51,294 per year, or $24.7 per hour.

Entry Level Executive Administrative Assistant

COURY & BUEHLER PHYSICAL THERAPY

Brea, CA • On-site

$19 - $23/hr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 22 days ago

Job description

Description:

Title: Entry Level Executive Administrative Assistant

Status: 30-35 hours/week. Monday -Friday

Pay: $19.00-$23.00/hour (negotiable, depending on experience)

Benefits: Health, Dental & Vision insurance, Paid Holidays, PTO, & 401k w/ company matching

Location: Brea, CA


Welcome to the role of Executive Administrative Assistant! In this role you will provide direct support to the owners by taking on a wide variety of tasks and projects, allowing them to focus on running the company at a high level. You will need to be organized, detail-oriented and resourceful in order to successfully perform this role. Many of the tasks and projects for this position will vary based on the projects and initiatives that are being focused on at that time. This is a great opportunity for someone who has strong administrative skills, is interested in business, and can work independently.

Job Responsibilities:

  • Creating Presentations.
  • General Administrative Tasks.
  • Creating and Maintaining Spreadsheets.
  • Researching Information required for projects.
  • Helping with managing the set-up of new locations.
  • Travel Arrangements.
  • Calendar management.


Requirements:

Job Requirements:


We are looking for an organized, detail-oriented, hard-working individual with administrative experience.

  • Must be able to work independently and handle new tasks and projects with minimal explanation.
  • Go-Getter mentality.
  • Tech-savvy with the ability to quickly learn new software platforms and create effective AI prompts to support administrative operations.
  • Proficiency with Microsoft Office (Word, Excel, Power Point, Outlook).
  • Outstanding time management & organizational skills.
  • Excellent communication skills (verbal & written).
  • Discretion & Confidentiality.
  • Verifiable history of getting things done.

Please watch the following video to learn more about our culture and to determine if you would be a good fit for our team!

https://youtu.be/mMo4sdaoQMk