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Project Administrative Assistant Jobs in Riverside, CA

CuraPatient Inc

Administrative Assistant

Irvine, CA · On-site

$32 - $40/hr

About the Role: As an Administrative Assistant at CuraPatient, you'll be in our Operations ... You'll be responsible for ensuring smooth office operations, supporting project coordination, and ...

CuraPatient Inc

Administrative Assistant

Irvine, CA · On-site

$32 - $40/hr

About the Role: As an Administrative Assistant at CuraPatient, you'll be in our Operations ... You'll be responsible for ensuring smooth office operations, supporting project coordination, and ...

CuraPatient Inc.

Administrative Assistant

Irvine, CA · On-site

$32 - $40/hr

About the Role: As an Administrative Assistant at CuraPatient, you'll be in our Operations ... You'll be responsible for ensuring smooth office operations, supporting project coordination, and ...

Case Land Surveying, Inc

Be Seen First

Administrative Assistant

Orange, CA · On-site

$25 - $30/hr

We are seeking a motivated, dependable Administrative Assistant to support our Office Manager, Vice ... Assisting with special projects This position will be crossed trained to provide backup support for:

Goss Construction Company Inc.

Be Seen First

Administrative Assistant

Rancho Cucamonga, CA · On-site

$18.50/hr

Goss Construction is currently looking for a Administrative Assistant SALARY: Competitive Salary ... for Projects · Typing of Correspondence, Proposals and E-mails (from clear copy or verbal ...

Summit Solutions

Administrative Assistant

Riverside, CA · On-site

$18.75 - $25.25/hr

... Administrative Assistant to provide direct support to a business owner in a fast-paced, team ... projects and operational tasks as directed by the business owner • Identify ways to improve ...

Staffing Network

Administrative Assistant

Upland, CA

$18.25 - $24.75/hr

Ensuring Insurance compliance on all projects * AR answering phone calls * General coordination ... Heavy computer usage - MS OFFICE Requirements * 2+ years of Administrative support experience * MS ...

Staffing Network

Administrative Assistant

Upland, CA

$18.25 - $24.75/hr

Ensuring Insurance compliance on all projects * AR answering phone calls * General coordination ... Heavy computer usage - MS OFFICE Requirements * 2+ years of Administrative support experience * MS ...

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

Project Administrative Assistant information

See Riverside, CA salary details

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$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.

Administrative Assistant

Superior Electrical Mechanical & Plumbing, Inc.

Rancho Cucamonga, CA • On-site

$18 - $24/hr

Full-time

Medical, Retirement, PTO

Posted 4 days ago

Job description

Job Type
Full-time
Description
Superior Electrical, Mechanical & Plumbing, Inc. (SEMP) is a statewide leader in commercial skilled trade services, delivering high-quality electrical, mechanical, and plumbing solutions throughout California. We are seeking a detail-oriented Administrative Assistant to support our Purchasing Department. This role is responsible for processing data entry, maintaining accurate purchasing records, and providing administrative support to help ensure efficient day-to-day departmental operations.
The ideal candidate is organized, dependable, and highly attentive to detail, with the ability to manage multiple priorities in a fast-paced environment. Experience with commercial plumbing materials and supplies is highly preferred.
Schedule
  • Monday - Friday 8 a.m. to 4:30 p.m.

Responsibilities
  • Accurately enter and maintain purchasing data in company databases and audit systems
  • Audit reports, verify purchase orders, and track deliveries to ensure accuracy and timely fulfillment
  • Provide administrative and clerical support to the wholesale purchasing team
  • Maintain accurate and detailed records of orders, pricing, and inventory updates
  • Communicate effectively with suppliers, service technicians, and internal departments to resolve discrepancies and address purchasing-related inquiries
  • Monitor outstanding orders and follow up on pending items to ensure timely completion
  • Assist with departmental projects and perform other duties as assigned by the supervisor

Requirements
  • Previous administrative, purchasing, or data entry experience within the construction industry is preferred
  • Knowledge of commercial plumbing materials, supplies, and terminology highly preferred
  • Proficiency in Microsoft Office, including Outlook, Word, and Excel a
  • Ability to type a minimum of 40 WPM alphanumerically
  • Proficient in proofreading and auditing with strong attention to detail
  • Ability to communicate professionally with suppliers, service technicians, and internal departments

About the Company
Superior Electrical, Mechanical & Plumbing, Inc. is a commercial service and construction company with over 20 years of experience delivering high-quality electrical and plumbing solutions across California and other states. Our team is committed to reliability, safety, and strong customer partnerships while supporting projects that keep businesses and facilities running efficiently.
Benefits
Superior EMP offers competitive compensation and a benefits package that includes:
  • Medical insurance
  • Employee-only 401(k) retirement contributions
  • Supplemental insurance options
  • Paid sick leave and vacation time
  • Opportunities for professional development and career growth

Superior Electrical, Mechanical, and Plumbing, Inc. does not accept unsolicited resumes or outreach from third-party recruiters or agencies. Unsolicited emails, calls, or submissions will not be considered.
Salary Description
$18 to $24 per hour

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