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

Project Engineer I: 0-2 years * Project Engineer II: 2-4 years * Project Engineer III: 4+ years and experience leading project segments * Bachelor's degree in Construction Management, Engineering, or ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$73K - $94K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$70K - $90K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$70K - $90K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$72K - $92K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$70K - $90K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Project Engineer I

Rancho Cucamonga, CA ยท On-site

$70K - $90K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Operations - Project Engineer I

La Palma, CA ยท On-site

$71K - $92K/yr

Exempt Position Summary The Project Engineer is responsible for assisting the Project Manager with administrative duties associated with the project, material releases, vendor follow-up, coding ...

Progression from Project Engineer I to Project Engineer II, III, or a Senior role is based on performance, experience, and demonstrated leadership potential. * Proficient in Microsoft Office Suite ...

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Showing results 1-20

Project Engineer I information

See Diamond Bar, CA salary details

$47K

$94.7K

$142.1K

How much do project engineer i jobs pay per year?

As of Sep 5, 2026, the average yearly pay for project engineer i 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 does a Project Engineer I do?

A Project Engineer I is an entry-level engineering professional who assists in planning, coordinating, and executing engineering projects within an organization. They typically work under the supervision of senior engineers or project managers, helping to prepare project documentation, monitor progress, and ensure that technical standards and deadlines are met. Their role may involve collaborating with different teams, troubleshooting issues, and supporting project delivery from start to finish. This position is ideal for recent engineering graduates looking to gain practical experience and grow their project management skills.

What are the key skills and qualifications needed to thrive as a Project Engineer I, and why are they important?

To thrive as a Project Engineer I, you typically need a bachelor's degree in engineering, strong problem-solving abilities, and a foundational understanding of project management principles. Familiarity with CAD software, project scheduling tools like Microsoft Project, and basic knowledge of industry codes or standards is often required. Effective communication, teamwork, and adaptability help you collaborate with cross-functional teams and manage changing project requirements. These skills and qualities are essential to ensure projects are completed efficiently, safely, and within scope and budget.

What are some common challenges faced by a Project Engineer I, and how can they be addressed?

As a Project Engineer I, one common challenge is balancing multiple tasks and deadlines while ensuring project specifications are met. You may also encounter difficulties coordinating with cross-functional teams or managing changes in project scope. To address these challenges, effective time management, clear communication, and proactive problem-solving are essential. Seeking guidance from senior engineers and utilizing project management tools can also help you stay organized and meet expectations.

What is the difference between Project Engineer I vs Project Engineer II?

AspectProject Engineer IProject Engineer II
Required CredentialsBachelor's degree in engineering or related field; some certifications preferredBachelor's degree; often more certifications or experience required
Work EnvironmentEntry-level role, supporting project teams, on-site and officeMore independent responsibilities, overseeing parts of projects
Employer & Industry UsageCommon in construction, manufacturing, civil engineeringSimilar industries, with increased scope and responsibility

The main difference between Project Engineer I and Project Engineer II lies in experience and responsibility. Project Engineer I is an entry-level position focused on supporting project tasks, while Project Engineer II involves more independent work and oversight. Both roles require similar educational backgrounds, but the II typically demands more experience or certifications. Understanding these distinctions helps candidates and employers align expectations and career progression.

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

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

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

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

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

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

Infographic showing various Project Engineer I 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 I - Gas Utilities

Cordoba Corporation

Los Angeles, CA โ€ข Hybrid

$28.85 - $37.50/hr

Full-time

Medical, Dental, Vision, Life, Retirement, PTO

Re-posted 27 days ago


Key responsibilities

  • Prepare and review engineering calculations, designs, specifications, standards, studies, and cost estimates to support projects.

  • Manage and coordinate small projects and tasks, including scope development, budgeting, scheduling, permitting, design, procurement, and startup.

  • Collaborate with internal departments and external stakeholders to monitor progress, resolve issues, and manage changes to engineering scope, budget, and schedule.


Job description

Overview

Cordoba Corporation is a leading engineering and program management firm based in California. We are seeking a Project Engineer I to join our Gas sector. The Project Engineer I supports the planning, design, and execution of Gas utility projects by applying foundational engineering principles and technical expertise. This role involves coordinating with cross-functional teams, reviewing engineering documents, and ensuring compliance with industry standards and regulatory requirements. The engineer contributes to project success through effective problem-solving, schedule monitoring, and process improvement initiatives. Ideal candidates are detail-oriented, collaborative, and eager to grow within a dynamic utility environment.

Responsibilities
  • Prepare and review engineering calculations, designs, specifications, standards, studies, and cost estimates to support moderate-sized projects and tasks managed by others.
  • Apply technical expertise to resolve operational and engineering problems and provide sound recommendations across various disciplines and project teams.
  • Manage and coordinate small projects and tasks, including scope development, budgeting, scheduling, permitting, design, procurement, and startup, ensuring successful completion and alignment with Company objectives.
  • Participate in meetings to review revision of Gas Standards, providing input and recommending updates to reflect regulatory changes, operational improvements, and economic considerations.
  • Collaborate with internal departments and external stakeholders to monitor progress, resolve issues, and manage changes to engineering scope, budget, and schedule.
  • Stay current with applicable state and federal regulations, Gas industry standards, company standards, rules, and tariffs.
  • Maintain familiarity with Company operations, practices, policies, and procedures to effectively support client requests and internal assignments.
  • Assess project impacts on Company facilities, programs, and operations, and identify opportunities to improve systems, processes, and data accessibility at the team level.
  • Communicate ideas and solutions confidently and respectfully in team discussions, while actively participating in construction and constructability reviews to ensure practical and effective project execution.
  • Coordinate engineering and design activities, support discipline leads in executing their responsibilities and ensure alignment with project goals.
  • Performs other duties as assigned.
Qualifications
  • Bachelor's degree in Engineering required
  • 3 years of Gas utilities engineering experience required without EIT (Engineer in Training) certification
  • 2 years of Gas utilities engineering experience required with EIT (Engineer in Training) certification
  • Proficiency using the Microsoft Office Suite
  • Experience using SAP and GIS preferred
  • Experience working on multiple discipline projects
  • Time management and organizational skills
  • Ability to read and interpret documents; safety rules, operating and maintenance instructions, and procedure manuals
  • Ability to create design drawings
  • Ability to write routine reports and correspondence
  • Excellent communication skills and demonstrated potential for leadership

Pay Range: $28.85 - $37.50 per hour

Work Location: Hybrid 3-4 days per week in the Los Angeles, CA office

Visa Sponsorship: Legal authorization to work in the U.S.A. on a full-time basis without sponsorship

Physical Requirements: Ability to pass a pre-authorized physical including a drug-screening and background check

Our Company

Cordoba Corporation, Making a Difference

Cordoba Corporation is a nationally recognized civil engineering, construction management, program management, and planning firm. Our expertise spans diverse sectors, including education and facilities, transportation, water, and energy. Collaborating closely with our clients, we have successfully delivered complex and high-impact infrastructure projects across California.

National Recognition - Cordoba's efforts have garnered national acclaim. Engineering News-Record (ENR) has consistently ranked us as a "top 100 construction management firm" and a "top 50 program management firm." Additionally, ENR recognized Cordoba as a "top 100 design firm" in California in 2018. Our business model emphasizes efficiency, fostering a dynamic work environment. We approach projects with multifaceted strategies, ensuring successful outcomes.

Statewide Presence - With headquarters in Los Angeles, Cordoba maintains a strong statewide presence. Our offices extend to San Francisco, Sacramento, San Ramon, Chatsworth, Santa Ana, Ontario, and San Diego.

Enhancing Employee Well-Being

Benefits and Perks: We offer multiple medical and dental insurance plans, as well as vision insurance. Plans are subsidized for both employees and dependents with coverage effective the first month after hire.ย  Additionally, Cordoba provides employees with paid AD&D and life insurance, a 401k with an industry leading employer match, generous vacation and sick leave accruals, 9 paid holidays, and other forms of paid time off.ย  We also offer flexible spending accounts (FSA's) including medical care reimbursement, dependent care reimbursement, and commuter benefit plans. Employees are also eligible for our employee assistance program and well-being benefits that include stress management, nutrition, and financial well-being.

ย 

Cordoba Corporation provides equal employment opportunities, promoting diversity and inclusion. We welcome applicants regardless of race, color, religion, sex, national origin, age, disability, or genetics.

Harassment-Free Workplace: We strictly prohibit workplace harassment based on any factor, including race, gender, sexual orientation, or disability. Cordoba is committed to fostering a healthy and happy lifestyle for our employees, both within and beyond the workplace.

For inquiries or accommodations, please contact our HR Department at: (213) 895-0224.

Join Cordoba Corporation and be part of shaping California's future!

#LI-Hybrid

Employment Type: FULL_TIME