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Project Assistant Jobs in Rancho Cucamonga, CA (NOW HIRING)

RimePro Inc

Project Engineer

Fullerton, CA · On-site

$145K - $175K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Track schedules, assist with updates, and communicate changes to relevant parties * Support cost ... LAUSD project experience is highly preferred and will be given strong consideration * Bachelor ...

City of Hesperia

Assistant Project Manager

Hesperia, CA

$7.9K - $9.7K/mo

Join the City of Hesperia's Engineering Department as an Assistant Project Manager and be part of a team driven by service, integrity, innovation, and efficiency. Help us create a safe, thriving ...

New

Griffith Company

Assistant Project Manager

Brea, CA · On-site

$105K - $125K/yr

  • Medical

  • Vision

  • Retirement

  • PTO

We are looking for an Assistant Project Manager to join our Landscape Division. This position is responsible for assisting the Project Manager in providing overall administrative and technical ...

Griffith Company

Assistant Project Manager

Brea, CA · On-site

$105K - $125K/yr

  • Medical

  • Vision

  • Retirement

  • PTO

We are looking for an Assistant Project Manager to join our Landscape Division. This position is responsible for assisting the Project Manager in providing overall administrative and technical ...

RimePro Inc

Assistant Project Manager

West Covina, CA · On-site

$75K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Summary A growing commercial plumbing contractor is seeking an Assistant Project Manager to support fast-paced tenant improvement (TI) projects across tech offices, medical spaces, and commercial ...

RimePro Inc

Assistant Project Manager

Fullerton, CA · On-site

$80K - $110K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Summary A growing commercial plumbing contractor is seeking an Assistant Project Manager to support fast-paced tenant improvement (TI) projects across tech offices, medical spaces, and commercial ...

City of Hesperia, CA

Assistant Project Manager

Hesperia, CA · On-site

$7.9K - $9.7K/mo

  • Medical

  • Dental

  • Vision

  • Life

  • PTO

View Assistant Project Manager Flyer Examples of Duties The Assistant Project Manager , assigned to Development Services, is a Non-Represented, Professional/Supervisory Classification. This position ...

New

RimePro Inc

Assistant Project Manager

Azusa, CA · On-site

$90K - $110K/yr

They are currently seeking a detail-oriented and motivated Senior Project Engineer / Assistant Project Manager with a strong background in supporting commercial Tenant Improvement projects and or ...

California Waters

Assistant Project Manager

Yorba Linda, CA · On-site

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Project Managers, Assistant Project Managers, Project Superintendents, Construction Personnel, Accounting, Purchasing, Warehouse, Engineering, Estimating and Service departments. * Visits each ...

SASCO

Assistant Project Manager

Fullerton, CA · On-site

ASSISTANT PROJECT MANAGER/ PROJECT ENGINEER SASCO is one of the largest privately held electrical and data contractors in the nation. At SASCO, you can be part of a dynamic team that includes the ...

SASCO

Assistant Project Manager

Fullerton, CA · On-site

ASSISTANT PROJECT MANAGER/ PROJECT ENGINEER SASCO is one of the largest privately held electrical and data contractors in the nation. At SASCO, you can be part of a dynamic team that includes the ...

SASCO

Assistant Project Manager

Fullerton, CA · On-site

ASSISTANT PROJECT MANAGER/ PROJECT ENGINEER SASCO is one of the largest privately held electrical and data contractors in the nation. At SASCO, you can be part of a dynamic team that includes the ...

Trueline

Assistant Project Manager - Concrete

Anaheim, CA

$115K - $130K/yr

  • Medical

  • Retirement

  • PTO

Trueline is seeking an Assistant Project Manager / Concrete Estimator to join their team in Anaheim, CA with a respected specialty concrete and masonry contractor known for tackling complex ...

Trueline

Assistant Project Manager - Concrete

Anaheim, CA · On-site

$115K - $130K/yr

  • Medical

  • Retirement

  • PTO

Trueline is seeking an Assistant Project Manager / Concrete Estimator to join their team in Anaheim, CA with a respected specialty concrete and masonry contractor known for tackling complex ...

Trueline

Assistant Project Manager - Concrete

Anaheim, CA · On-site

$115K - $130K/yr

  • Medical

  • Retirement

  • PTO

Trueline is seeking an Assistant Project Manager / Concrete Estimator to join their team in Anaheim, CA with a respected specialty concrete and masonry contractor known for tackling complex ...

Western States Construction Inc

Be Seen First

Commercial Construction Project Coordinator

Anaheim, CA · On-site

  • PTO

Track project deadlines, action items, and required documentation. * Assist with preparation of project reports, meeting agendas, and meeting minutes. * Coordinate communication between project teams ...

Urgent

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Showing results 21-40

All JobsProject JobsProject Assistant JobsProject Assistant Jobs in Rancho Cucamonga, CA

Project Assistant information

See Rancho Cucamonga, CA salary details

$13

$22

$31

How much do project assistant jobs pay per hour?

As of Aug 20, 2026, the average hourly pay for project assistant in Rancho Cucamonga, CA is $22.02, according to ZipRecruiter salary data. Most workers in this role earn between $17.69 and $24.81 per hour, depending on experience, location, and employer.

What is a project assistant?

A project assistant provides support to the project team and helps make sure projects get done on time and budget. They answer to the project manager or project administrator or a company director. Job duties include handling communication with everyone on the project team, creating and filing documentation, preparing reports, and serving as a liaison between management and the project team. Other responsibilities may include setting up office equipment—such as computers, printers, and webcams for online conference calls, scheduling meetings and check-ins, and managing the project calendar.

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

To thrive as a Project Assistant, you need strong organizational skills, attention to detail, and a foundational understanding of project management principles, often supported by a relevant degree or coursework. Familiarity with project management software like Microsoft Project, Asana, or Trello, and proficiency in MS Office Suite are typically expected. Excellent communication, teamwork, and time management skills help you support project managers and coordinate among stakeholders effectively. These skills ensure projects run smoothly, deadlines are met, and teams stay aligned on objectives.

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

Project Assistants play a crucial role in supporting project managers by organizing schedules, preparing documentation, and facilitating communication among team members. They often attend meetings to take notes, track action items, and ensure deadlines are met. Regular collaboration with various departments is common, as Project Assistants help coordinate resources, gather updates, and address any logistical challenges that arise. This role is ideal for individuals who enjoy multitasking and thrive in a dynamic, team-oriented environment.

What is the difference between Project Assistant vs Administrative Assistant?

AspectProject AssistantAdministrative Assistant
Required CredentialsHigh school diploma; some roles may prefer associate's degree or relevant certificationsHigh school diploma; often no specific certifications required
Work EnvironmentProject sites, offices, collaborative team settingsOffice settings, administrative departments
Employer & Industry UsageConstruction, IT, consulting, engineeringCorporate offices, government agencies, nonprofits
Common Search & ComparisonOften compared for support roles in projectsCompared for general office support roles

The Project Assistant and Administrative Assistant roles share similarities in supporting organizational functions, but Project Assistants focus more on supporting specific projects, often requiring knowledge of project management processes. Administrative Assistants handle broader administrative tasks across departments. Both roles are essential in various industries, but their focus and work environments differ slightly.

Can I get into project management with no experience?

Project assistants often start with little or no experience and can transition into project management roles by gaining relevant skills such as communication, organization, and familiarity with project management tools like MS Project or Trello. Entry-level positions may require some related experience or certifications like CAPM, and gaining practical experience through internships or volunteering can improve prospects.

Is a project assistant a good job?

A project assistant role involves supporting project managers with tasks such as scheduling, documentation, and communication. It can be a good entry-level position for those interested in project management, offering opportunities to develop organizational and communication skills in various industries. Job satisfaction depends on the work environment and career goals.
More about Project Assistant jobs

What are the most commonly searched types of Project jobs in Rancho Cucamonga, CA?

The most popular types of Project jobs in Rancho Cucamonga, CA are:

What are popular job titles related to Project Assistant jobs in Rancho Cucamonga, CA?

For Project Assistant jobs in Rancho Cucamonga, CA, the most frequently searched job titles are:

What job categories do people searching Project Assistant jobs in Rancho Cucamonga, CA look for?

The top searched job categories for Project Assistant jobs in Rancho Cucamonga, CA are:

What cities near Rancho Cucamonga, CA are hiring for Project Assistant jobs?

Cities near Rancho Cucamonga, CA with the most Project Assistant job openings:

Project Assistant jobs near you
Infographic showing various Project Assistant job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 100% Full Time. Highlights an 100% In-person job distribution, with an average salary of $45,796 per year, or $22 per hour.

Project Engineer

RimePro Inc

Fullerton, CA • On-site

$145K - $175K/yr

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 23 days ago

Job description

Summary

We are currently representing a well-established General Contractor with over 50 years of experience delivering impactful infrastructure across California. With a strong legacy of building schools, libraries, hospitals, civic centers, and other essential public facilities, the firm continues to grow its footprint throughout the state.

They are currently seeking Project Engineers to support a growing number of K-14 school construction projects, including ground-up builds, modernizations, and renovations. Many upcoming projects are tied to the Los Angeles Unified School District (LAUSD), and candidates with prior LAUSD or DSA-regulated project experience will be strongly considered. Public Works and Municipal project experience is also valuable.

Responsibilities

  • Support the full project lifecycle, from preconstruction through closeout, for K-14 and public infrastructure projects

  • Assist with constructability reviews, estimating, procurement, scheduling, and material tracking

  • Prepare and maintain project documentation, including RFIs, submittals, meeting minutes, and change orders

  • Coordinate communication between project management, field teams, subcontractors, and consultants

  • Track schedules, assist with updates, and communicate changes to relevant parties

  • Support cost tracking, invoice review, and contract administration

  • Ensure compliance with safety and quality procedures across all job phases

  • Contribute to a positive team environment that prioritizes collaboration and accountability

Qualifications

  • 2+ years of experience in construction, preferably with exposure to K-14, Public Works, or DSA-regulated projects

  • LAUSD project experience is highly preferred and will be given strong consideration

  • Bachelor's degree in Construction Management, Civil Engineering, or a related field preferred

  • Strong organizational skills and the ability to manage detailed project records

  • Familiarity with construction software such as Procore, Bluebeam, and Microsoft Office Suite

  • Excellent written and verbal communication skills

  • Ability to work collaboratively and support cross-functional project teams

Compensation + Benefits

  • Competitive salary based on experience

  • Performance-based bonus structure

  • Employer-paid medical insurance premiums

  • Reimbursement available for dental and vision plans

  • Option to receive a payout if covered under outside insurance

  • Flexible Spending Account (FSA) for medical and personal use

  • Long-term disability insurance

  • Paid sick leave, vacation, and company-recognized holidays

  • Employee Assistance Program (EAP)

  • 401(k) plan with employer match