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Project Administrative Assistant Jobs in Rialto, CA

Robert Half

Administrative Assistant

Banning, CA · On-site

$23.75 - $27.50/hr

Enter data, update office records, answer inbound calls, and provide support on additional projects as priorities shift.* Prior experience in an administrative assistant, receptionist, or general ...

BEC

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Operations Administrative Assistant

Glendora, CA · On-site

$23 - $28/hr

Operations Administrative Assistant Schedule: Monday to Friday, 7:00 AM - 3:30 PM Full-Time | ... Upload drawings and project documents into Fieldwire. * Print and scan drawings. * Coordinate as ...

Urgent

Case Land Surveying, Inc

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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:

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

Project Administrative Assistant information

See Rialto, CA salary details

$13

$23

$35

How much do project administrative assistant jobs pay per hour?

As of Aug 18, 2026, the average hourly pay for project administrative assistant in Rialto, CA is $23.70, according to ZipRecruiter salary data. Most workers in this role earn between $19.28 and $27.02 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 job categories do people searching Project Administrative Assistant jobs in Rialto, CA look for?

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

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

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

Project Administrative Assistant jobs near you
Infographic showing various Project Administrative Assistant job openings in Rialto, CA as of August 2026, with employment types broken down into 86% Full Time, 10% Part Time, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $49,303 per year, or $23.7 per hour.

Administrative Assistant

Sea To Land Logistics

Ontario, CA

$22 - $26/hr

Full-time

Medical, Dental, Vision, Life, Retirement

Re-posted 3 days ago

Job description

Administrative Assistant

We are seeking a highly organized and detail-oriented Administrative Assistant to support daily office operations and provide administrative support to our team. The ideal candidate is professional, dependable, and capable of managing multiple tasks while maintaining a high level of accuracy and confidentiality.

Responsibilities include, but are not limited to
  • Manage and organize office tasks, schedules, and communications.
  • Conduct independent research to support projects and decision-making.
  • Maintain accurate records and files with attention to detail.
  • Assist with correspondence, reports, and documentation.
  • Coordinate meetings, appointments, and travel arrangements.
  • Communicate effectively with team members and external contacts.
  • Demonstrate honesty and dependability in all work-related activities.
Qualifications
  • Proven ability to work independently and manage time effectively.
  • Strong organizational skills with a keen eye for detail.
  • Excellent research skills and resourcefulness.
  • Dependable and trustworthy with a high level of integrity.
  • Effective communication skills, both written and verbal.
  • Proficiency with office software and tools.
Desired Skills
  • Multitasking and prioritization
  • Customer service orientation
  • Team collaboration
  • Dependability and accountability
  • Adaptability in a fast-paced environment
Benefits
  • Health, dental, vision and life insurance
  • Retirement savings plan

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