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Project Assistant Jobs in Perris, CA (NOW HIRING)

Sciensbuildingsolutions

Project Coordinator

Mira Loma, CA

$30 - $35/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Track and report on change orders and project closeouts. * Assist with project billing and status reviews. * Assist project manager with material requisition, tracking, and delivery. * Coordinate and ...

Sciens Building Solutions

Project Coordinator

Mira Loma, CA · On-site

$30 - $35/hr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Track and report on change orders and project closeouts. * Assist with project billing and status reviews. * Assist project manager with material requisition, tracking, and delivery. * Coordinate and ...

S+B James Construction

Project Manager

Riverside, CA · On-site

$100K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Manage & assist the project superintendent * Responsible for job site safety adherence * Lead all project meetings * Project documentation * Assist in the review of all RFI's and submittal's * Assist ...

S+B James Construction

Project Manager

Riverside, CA

$100K - $150K/yr

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Manage & assist the project superintendent * Responsible for job site safety adherence * Lead all project meetings * Project documentation * Assist in the review of all RFI's and submittal's * Assist ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA · On-site

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Clayco

Project Manager

Corona, CA

$90K - $133K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Oversee the submittal, change order, and pay request process. * Assist in generation of project costs and Job Cost Report. * Contribute to the analyzing and forecast of quarterly Total Cost ...

Sciens Building Solutions

Project Manager

Mira Loma, CA · On-site

$120K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ensure project is on budget, identify potential overruns, develop, and implement mitigating actions. * Assist in estimate development; ensure understanding of scope of work and contract requirements ...

Sciens Building Solutions

Project Manager

Jurupa Valley, CA · On-site

$120K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ensure project is on budget, identify potential overruns, develop, and implement mitigating actions. * Assist in estimate development; ensure understanding of scope of work and contract requirements ...

HMC Architects

Project Manager

Ontario, CA · Hybrid

  • Medical

  • Dental

  • Vision

  • Retirement

  • PTO

Monitor and assist their supervisor in the collection of aged accounts payable for the projects * Prepare plans of action with their supervisor for resolving project related problems * Participate in ...

Sciensbuildingsolutions

Project Manager

Mira Loma, CA

$120K - $130K/yr

  • Medical

  • Dental

  • Vision

  • Life

  • Retirement

  • PTO

Ensure project is on budget, identify potential overruns, develop, and implement mitigating actions. * Assist in estimate development; ensure understanding of scope of work and contract requirements ...

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Showing results 21-40

All JobsProject JobsProject Assistant JobsProject Assistant Jobs in Perris, CA

Project Assistant information

See Perris, CA salary details

$13

$21

$31

How much do project assistant jobs pay per hour?

As of Aug 17, 2026, the average hourly pay for project assistant in Perris, CA is $21.97, according to ZipRecruiter salary data. Most workers in this role earn between $17.64 and $24.76 per hour, depending on experience, location, and employer.

How much do project assistants get paid?

Project assistants typically earn between $35,000 and $55,000 annually, depending on experience, industry, and location. Entry-level roles may start lower, while experienced assistants or those in specialized fields can earn higher salaries. Compensation often includes benefits such as health insurance and paid time off.

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 does a project assistant do?

A project assistant supports project managers and teams by coordinating schedules, preparing reports, managing documentation, and tracking project progress. They often use tools like Microsoft Office and project management software to ensure tasks are completed on time. Strong organizational and communication skills are essential for this role.

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.

Is a project assistant a good entry-level job?

A project assistant role is often considered a good entry-level job because it provides exposure to project management processes, teamwork, and organizational skills. It typically requires basic administrative skills and may involve using tools like MS Office or project management software, making it suitable for those starting their careers in a professional environment.

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 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.

More about Project Assistant jobs

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

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

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

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

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

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

Project Assistant jobs near you
Infographic showing various Project Assistant job openings in Perris, CA as of August 2026, with employment types broken down into 83% Full Time, 12% Part Time, 1% Temporary, and 4% Contract. Highlights an 85% Physical, 5% Hybrid, and 10% Remote job distribution, with an average salary of $45,692 per year, or $22 per hour.

Construction Group Assistant Project Manager

HELIX ENVIRONMENTAL PLANNING, INC.

Riverside, CA • Hybrid

$25 - $29/hr

Full-time

Medical, Retirement, PTO

Posted 20 days ago

Job description

Description

At HELIX Environmental Planning, you'll join an employee-owned team where people, purpose, and passion for the environment drive everything we do. If you're energized by hands-on habitat restoration, teamwork, and meaningful fieldwork, this role is your pathway to growth.

Why HELIX Stands Out

HELIX is a thriving, employee-owned environmental consulting firm known for its collaborative culture, career development focus, and commitment to doing work that matters. We work across California's coast, foothills, mountains, and desert ecosystems-restoring habitats, supporting clients, and supporting each other.
Benefits and culture highlights include: flexible hybrid schedules, robust health coverage, bonuses, paid time off, ESOP participation, 401(k) contributions, and national recognition as a top environmental firm. 

A Day in the Life

As an Assistant Project Manager in our Construction Group, your day blends fieldwork, project coordination, and client-facing teamwork. You might start your morning in the field installing native seed or inspecting stormwater BMPs, then transition to the office to update project tracking tools or contribute to proposals. You'll support Project Managers, help supervise habitat restoration crews, and play a key role in keeping restoration projects on track.

Every day brings new challenges, new learning experiences, and the satisfaction of seeing your restoration work thrive in the real world. 

What You'll Do

  • Support Project Managers in planning and coordinating habitat restoration projects
  • Participate in fieldwork: irrigation installation, plant removal, seeding, grading,  erosion control, BMP installation
  • Use tools such as FieldMaps, Field Suite Services (FSS), Survey123 for project tracking
  • Assist with proposals, cost estimating, pre/post-bid walks, schedules, and documentation
  • Supervise crews and maintain field logs and reporting
  • Cultivate positive client interactions and help identify business opportunities 

Schedule & Flexibility

  • Primarily Riverside based 
  • Hybrid schedule available depending on project needs
  • Outdoor fieldwork required year-round in varying terrain and weather

Ready to Build Your Career?

If you're excited to grow as a Project Manager and make a real impact in habitat restoration, we'd love to meet you. Apply now-fast, simple, and straightforward

HELIX is an equal opportunity employer that is committed to diversity and an inclusive work environment. We encourage all qualified applicants to apply regardless of gender, race, color, religion, sex (including pregnancy, gender identity, and sexual orientation), parental status, national origin, disability, age, genetic information (including family medical history), political affiliation, military service or veteran status. These protections extend to all management practices and decisions, including recruitment and hiring, appraisal systems, promotions, training, and career development programs.

Requirements

What You Bring

  • Bachelor's in Natural Resources, Environmental Science, Construction Management, or related field
  • Knowledge of habitat restoration or construction fields-through internship, volunteer work, or professional experience
  • Strong communication and organizational skills
  • Ability to work outdoors safely and effectively
  • Valid CA driver's license with clean record

Bonus skills: native plant knowledge, 1-3 years restoration/construction professional experience, advanced fieldwork experience, familiarity with habitat restoration practices, BMPs, erosion control, irrigation systems and native vegetation management and proficiency with Microsoft Office Suite and field data collection platforms such as ArcGIS, Field Maps, Survey123 or similar project tracking tools 

Apply