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Part Time Engineer Jobs in Rialto, CA (NOW HIRING)

Interwest Group

Senior Civil Engineer Part Time

Pomona, CA · On-site

$40 - $50/hr

Senior Civil Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and has become a leader in providing municipal services to cities and counties throughout the Western ...

U.S. Navy

Civil Engineer

Pomona, CA · On-site

$2.9K - $5.8K/mo

PART-TIME OPPORTUNITIES There are part-time roles as a Civil Engineer in the Navy. Serving part-time as a Reserve Sailor, your duties will be carried out during your scheduled drilling and training ...

U.S. Navy

Civil Engineer

Pomona, CA

$2.9K - $5.8K/mo

PART-TIME OPPORTUNITIES There are part-time roles as a Civil Engineer in the Navy. Serving part-time as a Reserve Sailor, your duties will be carried out during your scheduled drilling and training ...

Integr8staff

Manufacturing Engineer Intern

Brea, CA

$23/hr

Company Location -Near Fullerton, CA On-site, Full Time Direct Hire, Part-time, Exempt Pay: $23.00/hr. Job Summary of the Manufacturing Engineer Intern position Integr8staff seeks a motivated ...

Interwest Group

Civil Plan Check Engineer

Pomona, CA · On-site

$40 - $50/hr

Civil Plan Check Engineer - Pomona, CA - Part Time Interwest Consulting Group was founded in 2002 and has become a leader in providing municipal services to cities and counties throughout the Western ...

U.S. Navy

Engineering Duty Officer

Pomona, CA

PART-TIME OPPORTUNITIES There are part-time roles as an Engineering Duty Officer in the Navy. Serving part-time as a Reserve Sailor, your duties will be carried out during your scheduled drilling and ...

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All JobsPart Time Engineer JobsPart Time Engineer Jobs in Rialto, CA

Part Time Engineer information

See Rialto, CA salary details

$9

$32

$68

How much do part time engineer jobs pay per hour?

As of Jul 3, 2026, the average hourly pay for part time engineer in Rialto, CA is $32.18, according to ZipRecruiter salary data. Most workers in this role earn between $15.64 and $42.04 per hour, depending on experience, location, and employer.

What engineers make $200,000 a year?

Senior engineers in fields such as software, petroleum, aerospace, and electrical engineering can earn $200,000 or more annually, especially with extensive experience, advanced skills, and often in high-demand industries or leadership roles. Compensation varies based on location, company size, and specialization, with some engineers earning additional bonuses or stock options.

What engineer makes $500,000 a year?

Highly experienced engineers in specialized fields such as petroleum engineering, aerospace engineering, or software engineering working in senior or executive roles can earn $500,000 or more annually. These positions often require advanced skills, certifications, and significant industry experience, typically involving leadership responsibilities or working in high-demand sectors.

How do part-time engineers typically balance project responsibilities with limited working hours?

Part-time engineers often focus on specific project components or deliverables, allowing them to contribute effectively within their scheduled hours. Clear communication with supervisors and team members is essential to set realistic expectations and maintain progress. Many organizations use project management tools and regular check-ins to help part-time engineers stay aligned with full-time staff and meet deadlines. Flexibility and proactive planning are key to ensuring that work is completed efficiently without sacrificing quality.

What Does a Part-Time Engineer Do?

Part-time engineers develop and monitor the construction of the functional aspects of a product, structure, or system for their company or client. Unlike full-time engineers, part-time engineers typically work thirty hours or less a week. Specific job duties vary, depending on their specific engineering industry. For example, civil engineers design, construct, and maintain large infrastructure projects for municipalities and other agencies, such as bridges, highways, and airports. As the structures wear down, civil engineers reevaluate the needs of the area and may redesign the current structure or create a new system. Electrical engineers draft plans for electrical systems. Once the systems are created and installed, electrical engineers may also be responsible for maintaining the system to ensure it continues to run efficiently.

What's a good side hustle for an engineer?

Engineers can pursue side hustles such as freelance consulting, designing and selling 3D printed products, or developing software applications. These options leverage technical skills and often require familiarity with relevant tools or platforms, offering flexible schedules and additional income streams.

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

To thrive as a Part Time Engineer, you typically need a relevant engineering degree, foundational technical knowledge, and problem-solving skills. Familiarity with engineering software (such as AutoCAD, MATLAB, or SolidWorks) and industry-specific certifications or systems is often required. Strong time management, effective communication, and adaptability are crucial soft skills for balancing multiple projects and collaborating with teams on a flexible schedule. These skills ensure that part-time engineers can deliver high-quality work efficiently while meeting the dynamic needs of employers.

Can engineering be a part-time job?

Yes, engineering can be a part-time job, often involving consulting, freelance projects, or contract work. These roles typically require strong technical skills, relevant certifications, and the ability to manage flexible schedules, but availability depends on the employer and project scope.

What is the difference between Part Time Engineer vs Contract Engineer?

AspectPart Time EngineerContract Engineer
CredentialsTypically requires relevant engineering degree and certificationsSimilar credentials, often with additional contractual agreements
Work EnvironmentUsually works on-site or remotely for multiple employers, flexible hoursWorks on specific projects for a set duration, often on-site
Employer UsageEmployers hire part-time for ongoing or intermittent tasksEmployers hire contractors for project-based work

Both Part Time Engineers and Contract Engineers share similar credentials and work environments, but differ mainly in employment structure and duration. Part Time Engineers typically work flexible hours for multiple employers, while Contract Engineers focus on specific projects for a fixed period.

What is a part-time engineer?

A part-time engineer is a professional who works fewer hours than a full-time engineer, typically less than 35-40 hours per week, depending on the employer's definition. Part-time engineers may handle the same types of technical tasks as their full-time counterparts, such as designing, testing, or maintaining systems and products, but on a reduced schedule. This flexible arrangement can be ideal for individuals seeking work-life balance, pursuing further education, or managing other personal responsibilities while still maintaining a career in engineering.
More about Part Time Engineer jobs
What are the most commonly searched types of Engineer jobs in Rialto, CA? The most popular types of Engineer jobs in Rialto, CA are:
What are popular job titles related to Part Time Engineer jobs in Rialto, CA? For Part Time Engineer jobs in Rialto, CA, the most frequently searched job titles are:
What job categories do people searching Part Time Engineer jobs in Rialto, CA look for? The top searched job categories for Part Time Engineer jobs in Rialto, CA are:
What cities near Rialto, CA are hiring for Part Time Engineer jobs? Cities near Rialto, CA with the most Part Time Engineer job openings:
Part Time Engineer jobs near you
Infographic showing various Part Time Engineer job openings in Rialto, CA as of June 2026, with employment types broken down into 1% Locum Tenens, 1% Internship, 83% Full Time, 11% Part Time, and 4% Contract. Highlights an 88% Physical, 4% Hybrid, and 8% Remote job distribution, with an average salary of $66,940 per year, or $32.2 per hour.
Senior Civil Engineer Part Time

Senior Civil Engineer Part Time

Interwest Consulting Group

Pomona, CA

$40 - $50/hr

Full-time, Part-time

Posted 21 days ago

Job description

Senior Civil Engineer - Pomona, CA - Part Time

Interwest Consulting Group was founded in 2002 and has become a leader in providing municipal services to cities and counties throughout the Western United States. We currently have over 400 employees specializing in public works, building and safety, planning, engineering, and real estate acquisition. In our 20+ years, we have attracted the best in our professions and are positioned for continued growth and success.

We are seeking a motivated Senior Civil Engineer to join our Public Works team. This role offers an excellent opportunity to contribute to public infrastructure projects while developing technical and professional skills within a collaborative, supportive environment.

Key Responsibilities

  • Assist with plan checking for encroachment permits; land development grading plans, street plans, water and sewer plans, drainage plans, and drainage studies

  • Review traffic control plans for compliance with applicable standards

  • Coordinate with utilities, contractors, consultants, and municipal departments

  • Support construction management activities, including resolving field issues when needed

  • Prepare technical documentation, reports, and project correspondence

Required Skills amp; Knowledge

  • Understanding of engineering principles related to public works, utilities, and/or land development projects

  • Working knowledge of plan preparation, including mass grading, rough grading, precise grading, storm drain systems, street improvements, and sewer and water plans

  • Familiarity with land development processes, including entitlements, conditions of approval, hydrology and hydraulics, storm water quality management plans (SWQMPs), and final maps

  • Awareness of relevant local, state, and federal regulations applicable to public works and development projects

  • Familiarity with CEQA is preferred

  • Strong organizational, analytical, and communication skills

Experience amp; Software Qualifications

  • Minimum of 5 years of professional experience preferred

  • Any combination of civil design and/or civil plan check experience

  • Proficiency with Microsoft Office applications, including Outlook, Word, and Excel

  • Experience using Bluebeam and Adobe Acrobat required

  • Exposure to AutoCAD Civil 3D, GIS, ArcView, or ArcInfo is a plus

Education amp; Certification

  • Bachelor’s degree in Civil Engineering from an accredited institution

  • Professional Engineer (PE) License preferred

Salary Range: $40.00/hr - $50.00/hr

More about Interwest: https://interwestgrp.com/  

Interwest Consulting Group is a municipal consulting firm focused on providing thoughtful, tailored solutions that build thriving communities. Founded in 2002, Interwest provides City Engineering, Building Code Compliance, City Planning, Traffic Engineering, Capital Project Delivery and Real Estate Acquisition throughout CA and NV.  Interwest joined the SAFEbuilt family in 2020.

More About SAFEbuilt: http://safebuilt.com/ 

SAFEbuilt has the technical expertise to provide Community Development services, but the reason for our success is our people. Over 1600 experts make up our team from across the country, with experience in a full range of services and skills. Each Team member values integrity, improvement, service, teamwork, and respect. These Core Values are the foundation of positive relationships among coworkers, our clients, residents, and anyone invested in the continued success of their community.

Our employees are our greatest asset, with exceptionally certified individuals in all departments, including Planning amp; Zoning, Code Enforcement, Fire Prevention, and Engineering, as well as full-service and supplemental Building Department services. SAFEbuilt invests in developing our employees, exploring innovative technology, and giving back to our communities.

In partnership with over 1200 communities, our talented experts make a difference in the cities and towns where we live and work. Through quality people and consistent service, SAFEbuilt plays an important role in continually improving lives by developing safe, thriving communities.

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