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Project Engineer Jobs in Diamond Bar, CA (NOW HIRING)

RimePro Inc

Project Engineer

Anaheim, CA

$80K - $130K/yr

Summary A well-established mechanical contractor is seeking a Project Engineer to support commercial HVAC and plumbing projects throughout SoCal. This role works closely with Project Managers ...

W.E. O'Neil Construction

Project Engineer

Los Angeles, CA · On-site

$70K - $95K/yr

Project Engineer Department: Project Engineer Employment Type: Full Time Location: Los Angeles, CA Compensation: $70,000 - $95,000 / year Description The primary function of the Project Engineer is ...

Race Engineering

Project Engineer

Garden Grove, CA

$75K - $95K/yr

RACE Engineering is looking for a Mechanical Engineer based in Garden Grove, CA who wants to grow into a Construction Project Manager. We are a hard-working, blue-collar company looking for someone ...

RimePro Inc

Project Engineer

South Pasadena, CA

$90K - $130K/yr

Summary We are seeking a proactive and detail-oriented Project Engineer to support our commercial Mechanical, Electrical, and Plumbing (MEP) construction projects. This role offers an excellent ...

DHL eCommerce

Project Engineer

Whittier, CA · On-site

Job Brief The eCommerce Project Engineer supports and executes parcel automation initiatives across the DHL eCommerce network. This role focuses on project execution, data-driven analysis, automation ...

Wood Rodgers

Project Engineer

Placentia, CA · On-site

$138.42/hr

Project Engineer Department: Water Resources/Flood & Drainage Employment Type: Full Time Location: Orange, CA Compensation: $48.25 - $59.25 / hour Description Are you seeking a career where you can ...

Wood Rodgers

Project Engineer

Orange, CA · On-site

$48.25 - $59.25/hr

Project Engineer Department: Water Resources/Flood & Drainage Employment Type: Full Time Location: Orange, CA Compensation: $48.25 - $59.25 / hour Description Are you seeking a career where you can ...

H. T. PROF Group

Project Engineer

Long Beach, CA · On-site

$90 - $130/hr

Project Engineer - Underground Wet Utilities We're seeking a Project Engineer to join our growing team and support small to mid-sized underground wet utility projects across the Western United States

Essel

Project Engineer II

Anaheim, CA · On-site

Are you an experienced Project Engineer looking for a new opportunity to showcase your skills and contribute to exciting construction projects? Look no further! Essel is seeking a talented and ...

Filanc

Project Engineer

Orange, CA · On-site

The Project Engineer assists the Project Manager with planning, developing, coordinating, and managing onsite construction engineering activities for large, extensive projects. Responsibilities ...

Filanc

Project Engineer

Orange, CA · On-site

The Project Engineer assists the Project Manager with planning, developing, coordinating, and managing onsite construction engineering activities for large, extensive projects. Responsibilities ...

Essel

Project Engineer II

Anaheim, CA · On-site

Are you an experienced Project Engineer looking for a new opportunity to showcase your skills and contribute to exciting construction projects? Look no further! Essel is seeking a talented and ...

DuraServ Corp

Project Engineer

Santa Fe Springs, CA · On-site

$80K - $100K/yr

Project Engineer JOB SUMMARY The Project Engineer provides technical and operational support from project award through completion. The role coordinates engineering documentation, submittals ...

ENGICON CM

Project Engineer II

Monterey Park, CA · On-site

$105K - $125K/yr

Vision insurance The Project Engineer II's primary responsibility is to provide support and assistance to the other CPLT and CPT members in the performance of their respective responsibilities. The ...

Uprite Construction

Project Engineer

Irvine, CA · On-site

As a Project Engineer, you will work closely with Project Managers, Superintendents, subcontractors, architects, engineers, and clients to help keep projects organized and moving forward. You will ...

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Showing results 41-60

All JobsProject Engineer JobsProject Engineer Jobs in Diamond Bar, CA

Project Engineer information

See Diamond Bar, CA salary details

$47K

$94.7K

$142.1K

How much do project engineer jobs pay per year?

As of Sep 6, 2026, the average yearly pay for project engineer in Diamond Bar, CA is $94,691.00, according to ZipRecruiter salary data. Most workers in this role earn between $77,300.00 and $108,100.00 per year, depending on experience, location, and employer.

What is a project engineer?

There are project engineer jobs in a variety of industries. The duties of this position vary depending on the industry. For example, in construction, a project engineer is a project manager. They may have a background in engineering or construction management. Typically, they manage all aspects of the progress and the day-to-day operations on a construction site. In manufacturing, project engineers work with both the design and the engineering teams to develop and manage a manufacturing process, including overseeing the budget and deliverables. All project engineering positions require industry-specific technical knowledge and management skills.

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

To thrive as a Project Engineer, you need a solid background in engineering principles, project management, and a relevant engineering degree. Familiarity with CAD software, project scheduling tools like MS Project or Primavera, and certifications such as PMP or PE are often required. Strong problem-solving, communication, and leadership skills help you coordinate teams and manage project challenges effectively. These skills and qualifications are critical for delivering projects on time, within budget, and to the required quality standards.

How does a project engineer typically collaborate with other departments during a project?

Project Engineers play a central role in coordinating between engineering, procurement, and construction teams to ensure project objectives are met. They regularly communicate with design engineers to clarify technical requirements, work closely with procurement to source materials on schedule, and liaise with construction managers to address on-site challenges. Effective collaboration is essential for resolving issues quickly, maintaining timelines, and ensuring quality standards. This role often requires strong interpersonal skills and the ability to mediate between diverse teams to keep the project moving smoothly.

What is the difference between Project Engineer vs Construction Manager?

AspectProject EngineerConstruction Manager
CredentialsBachelor's in engineering or related field, certifications like PMP or EIT often preferredBachelor's in construction management, civil engineering, or related; PMP certification common
Work EnvironmentOffice and site; supports project planning and technical tasksPrimarily on-site overseeing construction activities
Employer & Industry UsageEngineering firms, construction companies, project-based industriesConstruction firms, general contractors, large infrastructure projects
Common Search & ComparisonYesYes

The main difference between a Project Engineer and a Construction Manager lies in their focus and responsibilities. Project Engineers typically handle technical aspects, planning, and supporting project execution, often working closely with engineers and designers. Construction Managers oversee the entire construction process, managing teams, schedules, and budgets on-site. Both roles require similar credentials and are integral to construction projects, but their day-to-day tasks and focus areas differ.

Do you need a degree to become a project engineer?

A bachelor's degree in engineering, construction management, or a related field is typically required to become a project engineer. Relevant skills, certifications, and experience can also be important for advancing in the role.

Is a project engineer a good career?

A project engineer is a valuable role in industries such as construction, manufacturing, and engineering, involving coordinating projects, managing schedules, and ensuring quality standards. It often requires technical skills, certifications, and the ability to work with teams, offering opportunities for career advancement and specialization.

What is the work of a project engineer?

A project engineer oversees and coordinates engineering projects, ensuring they are completed on time, within budget, and according to specifications. They often collaborate with teams, manage schedules, and use project management tools to monitor progress and resolve technical issues.
More about Project Engineer jobs

What are the most commonly searched types of Project Engineer jobs in Diamond Bar, CA?

The most popular types of Project Engineer jobs in Diamond Bar, CA are:

What are popular job titles related to Project Engineer jobs in Diamond Bar, CA?

For Project Engineer jobs in Diamond Bar, CA, the most frequently searched job titles are:

What job categories do people searching Project Engineer jobs in Diamond Bar, CA look for?

The top searched job categories for Project Engineer jobs in Diamond Bar, CA are:

What cities near Diamond Bar, CA are hiring for Project Engineer jobs?

Cities near Diamond Bar, CA with the most Project Engineer job openings:

Project Engineer jobs near you
Infographic showing various Project Engineer job openings in Diamond Bar, CA as of August 2026, with employment types broken down into 84% Full Time, 11% Part Time, and 5% Contract. Highlights an 83% Physical, 5% Hybrid, and 12% Remote job distribution, with an average salary of $94,691 per year, or $45.5 per hour.

Project Engineer

RimePro Inc

Anaheim, CA

$80K - $130K/yr

Full-time

Medical, Dental, Vision, PTO

Re-posted 25 days ago

Job description

Summary

A well-established mechanical contractor is seeking a Project Engineer to support commercial HVAC and plumbing projects throughout SoCal. This role works closely with Project Managers, Superintendents, field teams, vendors, and clients to help drive projects from preconstruction through closeout.

The company specializes in technically challenging mechanical projects across healthcare, advanced technology, higher education, commercial, and complex tenant improvement environments. This is a strong opportunity for someone who wants exposure to large-scale mechanical systems, design-build coordination, and long-term growth into Project Management. 

Key Responsibilities

• Support Project Managers with day-to-day project coordination and execution
• Manage RFIs, submittals, change orders, meeting notes, and project documentation
• Coordinate with field teams, subcontractors, vendors, and clients throughout project lifecycle
• Assist with procurement, material tracking, and equipment lead times
• Participate in BIM/VDC coordination and drawing reviews
• Track project costs, labor, schedules, and production updates
• Help manage project budgets, forecasting, and cost reporting
• Support buyout activities and subcontract/vendor coordination
• Assist with project scheduling, closeout documentation, and turnover
• Attend project meetings and help drive communication across internal and external teams
• Work on complex HVAC, piping, plumbing, and mechanical systems projects

Requirements

• 2-8 years of experience in construction project engineering, project management, or mechanical coordination
• Mechanical contractor experience strongly preferred
• Experience supporting commercial HVAC, plumbing, piping, or MEP projects
• Understanding of RFIs, submittals, change orders, procurement, and project documentation
• Exposure to healthcare, life science, advanced technology, industrial, or large commercial projects is a plus
• Familiarity with Procore, Bluebeam, MS Project, Navisworks, or BIM coordination preferred
• Strong communication and organizational skills
• Ability to manage multiple priorities in a fast-paced project environment
• Degree in Construction Management, Mechanical Engineering, or related field preferred

Compensation & Benefits

• Medical, dental, and vision insurance
• Paid holidays and PTO
• Stable pipeline of complex local projects