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

U.S. Navy

Engineering Duty Officer

Pomona, CA · On-site

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 ...

Highgate Hotels

Maintenance Engineer

Ontario, CA · On-site

... contemporary programming and digital acumen. The company utilizes industry-leading revenue ... The Retirement 401(k) Program is open to both full-time and part-time associates who qualify.

U.S. Navy

ENGINEERING AIDE

Pomona, CA · On-site

Serving part-time as a Navy Reserve Sailor, your duties will be carried out during your scheduled drilling and training periods. During monthly drilling, Engineering Aides in the Navy Reserve ...

U.S. Navy

ENGINEERING AIDE

Pomona, CA

Serving part-time as a Navy Reserve Sailor, your duties will be carried out during your scheduled drilling and training periods. During monthly drilling, Engineering Aides in the Navy Reserve ...

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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.
Engineering Duty Officer

Engineering Duty Officer

U.S. Navy

Pomona, CA • On-site

Part-time

Medical, Retirement, PTO

Posted 12 days ago

United States Navy rating

6.3

Company rating: 6.3 out of 10

Based on 371 frontline employees who took The Breakroom Quiz

38th of 46 rated military and defense

Job description

ABOUT

The United States Navy’s massive fleet of attack and defense vessels and systems all work in tandem to carry out the Navy’s most critical missions. As an Engineering Duty Officer, your job is to keep the fleet moving forward. The Navy will rely on your sharp math and science skills to design, develop and deploy the world’s fiercest ships and smartest integrated warfare systems. Roll up your sleeves, Sailor, because it’s time to put the stealth in submarines and the muscle into the modern combat fleet.

RESPONSIBILITIES

Engineering Duty Officers ensure that U.S. Naval and Joint Forces operate and fight with the most capable vessels, systems and equipment possible. Your math and science skills will be vital to constantly improving the Navy’s warfighting capability and maintaining a robust cybersecurity network.

Job responsibilities could include:

  • Conducting research on high-priority operational needs
  • Leading the design of new ships and their systems while supervising the integration of weapons and electronic systems into these ships
  • Managing the construction, delivery, maintenance, conversion, overhaul and disposal of ships, submarines and aircraft carriers
  • Overseeing the planning, execution and testing of the repair and modernization of ships and warfare systems

PAY AND BENEFITS

From the day you start, you’ll receive:

  • Competitive salary
  • Free health insurance
  • Free housing
  • A retirement plan
  • 30 days paid vacation per year

EDUCATION OPPORTUNITIES

All Engineering Duty Officers are required to obtain a Master’s degree in a technical curriculum from the Naval Postgraduate School or Massachusetts Institute of Technology. This requirement is completed while serving.

Naval Postgraduate School (With Doctorate Opportunities)

Curriculum Listing:

  • Naval/Mechanical Engineering
  • Electrical/Electronics Engineering
  • Space Systems Engineering
  • Combat Systems Engineering
  • Systems Engineering
  • Space Systems Engineering (Applied Physics)
  • Computer Science

Massachusetts Institute of Technology (MIT)

Curriculum Listing:

  • Naval Construction and Engineering
  • Nuclear Engineering

QUALIFICATIONS AND REQUIREMENTS

  • Bachelor’s degree
  • U.S. citizen or equivalent
  • 17 years of age or older

High schoolers and current undergraduates interested in becoming an EDO can enter through the Naval Reserve Officers Training Corps (NROTC) or through the U.S. Naval Academy. It is important to note that EDOs do not have direct accession through the USNA/NROTC commissioning sources. ED accessions are warfare-qualified Officers who are strong performers and academically qualified to pursue a technical Master’s Degree.

General qualifications may vary depending upon whether you’re currently serving, whether you’ve served before or whether you’ve never served before.

WORK ENVIRONMENT

Your work as an Engineering Duty Officer is highly valued and can take you virtually anywhere. Most EDOs are stationed at shore commands in Washington, D.C., Norfolk, VA, or San Diego, CA—however, there are opportunities for exciting sea tours around the world in Australia, Canada, Italy, Japan, Singapore, Bahrain and Saudi Arabia.

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 training periods. During monthly drilling, Engineering Duty Officers in the Navy Reserve typically work at a location close to their homes.

What United States Navy employees say

Pay

Benefits

Hours and flexibility

Workplace

Get the full story on Breakroom

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About US Navy

Sourced by ZipRecruiter

Industry

National security, national security and international affairs, public safety statistics centers and offices, guided missile and space vehicle manufacturing and public administration

Company size

10,000+ Employees

Headquarters location

Washington, DC, US

Social media

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