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Assistant Project Engineer Jobs in Rancho Cucamonga, CA

RimePro Inc

Project Engineer

Fullerton, CA

Support project setup, document control, and project closeout * Assist with cost tracking, change ... Experience as a Project Engineer, Mechanical Project Engineer, Assistant Project Manager, or ...

RimePro Inc

Project Engineer

Whittier, CA · On-site

Summary We are representing a well-established and highly regarded General Contractor seeking a motivated and detail-oriented Senior Project Engineer (SPE) or Assistant Project Manager (APM) with ...

RimePro Inc

Project Engineer

Azusa, CA

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 ...

Trueline

Assistant Project Manager - Concrete

Anaheim, CA · On-site

$115K - $130K/yr

Trueline is seeking an Assistant Project Manager / Concrete Estimator to join their team in Anaheim ... Construction Management, Engineering, or related degree * Field construction experience

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 ...

RimePro Inc

Assistant Project Manager

Azusa, CA

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 ...

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 ...

California Waters

Project Engineer

Yorba Linda, CA

The Project Engineer will directly assist the Senior Project Managers in planning, managing and executing on the day-to-day activities and operations of the Project Managers' active and pending jobs ...

RimePro Inc

Project Engineer

Arcadia, CA · On-site

Key Responsibilities: * Assist the Project Manager in overseeing mechanical scopes from ... Bachelor's degree in Construction Management or Mechanical Engineering preferred * Proficient in ...

City of Hesperia, CA

Assistant Project Manager

Hesperia, CA · On-site

$7.9K - $9.7K/mo

Engineering Opening Date: 08/17/2026 Closing Date: 9/4/2026 4:30 PM Pacific Description Help shape ... View Assistant Project Manager Flyer Examples of Duties The Assistant Project Manager , assigned to ...

Griffith Company

Assistant Project Manager

Brea, CA · On-site

$105K - $125K/yr

We are looking for an Assistant Project Manager to join our Landscape Division. This position is ... Supervise, direct, and mentor project engineering staff to ensure individual development and that ...

Griffith Company

Assistant Project Manager

Brea, CA · On-site

We are looking for an Assistant Project Manager to join our Landscape Division. This position is ... Supervise, direct, and mentor project engineering staff to ensure individual development and that ...

DHL eCommerce

Project Engineer

Whittier, CA · On-site

Job Brief The eCommerce Project Engineer is responsible for planning, coordinating, and executing ... trials. * Assist in identifying, evaluating, and deploying new automation technologies in ...

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All JobsProject Engineer JobsAssistant Project Engineer JobsAssistant Project Engineer Jobs in Rancho Cucamonga, CA

Assistant Project Engineer information

See Rancho Cucamonga, CA salary details

$40.9K

$85.1K

$124.7K

How much do assistant project engineer jobs pay per year?

As of Sep 1, 2026, the average yearly pay for assistant project engineer in Rancho Cucamonga, CA is $85,088.00, according to ZipRecruiter salary data. Most workers in this role earn between $68,000.00 and $103,200.00 per year, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as an assistant project engineer?

To thrive as an Assistant Project Engineer, you need a strong foundation in engineering principles, problem-solving abilities, and typically a bachelor's degree in engineering or a related field. Familiarity with project management software, CAD tools, and industry-specific standards or certifications like EIT (Engineer in Training) is often required. Strong organizational skills, teamwork, and effective communication help you coordinate with diverse stakeholders and manage project tasks efficiently. These skills and qualifications are crucial for ensuring projects are delivered on time, within budget, and to the required quality standards.

What are some common challenges faced by assistant project engineers, and how can they effectively manage them?

Assistant Project Engineers often encounter challenges such as balancing multiple project deadlines, coordinating with diverse teams, and adapting to shifting project requirements. Effective time management, proactive communication with team members, and a willingness to learn from senior engineers can help address these obstacles. Building strong organizational skills and staying updated on project management tools are also crucial for success in this role.

What is the difference between Assistant Project Engineer vs Project Engineer?

AspectAssistant Project EngineerProject Engineer
CredentialsBachelor's degree in engineering or related field; some certificationsBachelor's degree; often more experience and certifications
Work EnvironmentSupports project management team, assists with planning and coordinationLeads project phases, manages teams, and oversees execution
Employer & Industry UsageCommon entry-level role in construction, civil, or mechanical industriesMid-level role with greater responsibility in similar industries

The main difference is that the Assistant Project Engineer supports and assists the Project Engineer, focusing on coordination and administrative tasks, while the Project Engineer takes on more responsibility for planning, execution, and managing project teams. The Assistant Project Engineer is typically an entry-level position, whereas the Project Engineer has more experience and authority in project management.

What is an assistant project engineer?

An assistant project engineer supports project managers and senior engineers in planning, coordinating, and executing engineering projects. They often handle tasks such as preparing reports, managing schedules, and ensuring compliance with safety and quality standards, typically requiring technical knowledge and organizational skills. This role serves as a stepping stone to more senior engineering positions within construction, manufacturing, or infrastructure projects.

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

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

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

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

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

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

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

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

Assistant Project Engineer jobs near you
Infographic showing various Assistant Project Engineer job openings in Rancho Cucamonga, CA as of August 2026, with employment types broken down into 87% Full Time, 10% Part Time, and 3% Contract. Highlights an 83% Physical, 4% Hybrid, and 13% Remote job distribution, with an average salary of $85,088 per year, or $40.9 per hour.

Project Engineer

Fullerton, CA

RimePro Inc
11 - 50 employees
Learn more about RimePro Incexternal

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 6 days ago

Job description

Summary

A commercial HVAC mechanical contractor is seeking a Project Engineer to support the delivery of commercial and healthcare mechanical construction projects. The company specializes in HVAC and sheet metal work, with experience that includes commercial tenant improvements, healthcare renovations, VRF systems, ductwork, and mechanical piping.

This role is ideal for someone looking to build a career in mechanical construction project management, working directly with Project Managers and field teams while gaining experience in project controls, procurement, change orders, scheduling, and overall HVAC project execution.

Key Responsibilities
  • Support Project Managers on commercial HVAC and mechanical construction projects
  • Manage and track RFIs, submittals, change orders, and project documentation
  • Review mechanical drawings, specifications, equipment schedules, and project scopes
  • Coordinate HVAC equipment, ductwork, sheet metal, and mechanical piping requirements
  • Assist with material and equipment procurement and maintain procurement tracking
  • Coordinate with vendors, subcontractors, field crews, and General Contractors
  • Support project setup, document control, and project closeout
  • Assist with cost tracking, change order pricing, forecasting, and project financial reporting
  • Track project schedules, equipment deliveries, and critical project milestones
  • Work closely with field leadership to resolve coordination and constructability issues
  • Participate in project meetings and communicate updates to internal and external teams
  • Assist Project Managers with labor tracking, cash-flow analysis, and overall project controls
  • Support punch lists, commissioning, turnover documentation, and final closeout

Air Flow Mechanical's Project Manager responsibilities specifically include project setup, document control, equipment/material procurement, cost engineering, change orders, forecasting, subcontractor management, and mentoring Project Engineers, making those areas particularly relevant for the PE career path.

Requirements
  • 1–5+ years of experience in HVAC, mechanical construction, or commercial construction
  • Experience as a Project Engineer, Mechanical Project Engineer, Assistant Project Manager, or similar role preferred
  • Commercial HVAC experience strongly preferred
  • Understanding of sheet metal, ductwork, HVAC equipment, and mechanical systems
  • Mechanical piping experience is a plus
  • Ability to read and interpret mechanical drawings, plans, and specifications
  • Familiarity with RFIs, submittals, change orders, procurement, and project documentation
  • Strong communication, organization, and problem-solving skills
  • Ability to work closely with Project Managers, field personnel, General Contractors, and vendors
  • Experience with Procore, Bluebeam, Microsoft Office, or similar construction tools preferred
Project Experience Preferred
  • Commercial HVAC construction
  • Healthcare and occupied-facility projects
  • Tenant improvements and renovations
  • Sheet metal and ductwork
  • VRF systems
  • Mechanical piping
  • Ground-up commercial construction

The Anaheim contractor is listed as an HVAC specialty contractor serving commercial and healthcare markets, and public permit records show experience with tenant improvements, healthcare-related renovations, VRF, VAV, and other commercial HVAC work.

Compensation & Benefits
  • Competitive salary based on experience
  • Medical, dental, and vision insurance
  • 401(k)
  • Paid holidays and PTO
  • Long-term growth into an Assistant Project Manager and Project Manager position
  • Opportunity to gain hands-on experience across commercial HVAC project management, field operations, and project controls