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Part Time Engineering Jobs in Walnut, CA (NOW HIRING)

Tetra Tech, Inc.

Engineering Intern

Diamond Bar, CA · On-site

$18 - $23/hr

Tetra Tech has an immediate opening for a part-time engineering intern. This is a great opportunity to learn the business side of engineering consulting while obtaining hands-on experience on project ...

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

Los Angeles, 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 ...

U.S. Navy

ENGINEERING AIDE

Los Angeles, 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 ...

U.S. Navy

Engineering Duty Officer

Los Angeles, 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 ...

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 ...

U.S. Navy

Engineering Duty Officer

Los Angeles, 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 ...

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 ...

Cerritos College

PT Engineering Instructor

Norwalk, CA · On-site

$97.54 - $145.02/hr

Salary: $97.54 - $145.02 Hourly Location : 11110 Alondra Blvd., Norwalk, CA Job Type: Part-Time Faculty Job Number: PT-Engineering-26 Division: Science, Engineering, Mathematics Opening Date: 06/29 ...

Masco Corporation

Quality Engineer Intern

Santa Ana, CA · On-site

$17.50 - $22.75/hr

Mechanical or Industrial Engineering Student. * No experience necessary. * Experience working with MS Office software. Company: Brasstech Part time Brasstech (the "Company") is an equal opportunity ...

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All JobsEngineering JobsPart Time Engineering JobsPart Time Engineering Jobs in Walnut, CA

Part Time Engineering information

See Walnut, CA salary details

$13

$32

$58

How much do part time engineering jobs pay per hour?

As of Aug 7, 2026, the average hourly pay for part time engineering in Walnut, CA is $32.15, according to ZipRecruiter salary data. Most workers in this role earn between $20.58 and $38.70 per hour, depending on experience, location, and employer.

What is the difference between Part Time Engineering vs Part Time Engineering Technician?

AspectPart Time EngineeringPart Time Engineering Technician
Required CredentialsEngineering degree or courseworkTechnical diploma or associate degree in engineering technology
Work EnvironmentDesign, analysis, project planningTesting, troubleshooting, equipment maintenance
Employer & Industry UsageEngineering firms, manufacturing, constructionManufacturing plants, labs, technical support roles

Part Time Engineering roles typically involve design, analysis, and project planning, requiring an engineering degree. In contrast, Part Time Engineering Technicians focus on testing, troubleshooting, and equipment maintenance, often requiring a technical diploma. Both roles are common in manufacturing, construction, and engineering industries, but they differ in responsibilities and required credentials.

What is part time engineering?

Part time engineering refers to engineering positions that require fewer working hours than a standard full-time job, typically offering flexible schedules. These roles may be ideal for students, parents, retirees, or those seeking additional work-life balance. Part-time engineers perform many of the same duties as full-time engineers, such as designing, analyzing, or maintaining systems, but on a reduced schedule. This arrangement can be found in various engineering fields, including civil, mechanical, electrical, and software engineering.

What are the key skills and qualifications needed to thrive as a part time engineer?

To thrive as a Part Time Engineer, you need a solid background in engineering principles, problem-solving abilities, and a relevant degree or coursework in your specific discipline. Familiarity with industry-standard design software (such as AutoCAD or SolidWorks), data analysis tools, and sometimes certifications like EIT or FE are typically beneficial. Strong time management, communication, and teamwork skills help you efficiently balance project demands and collaborate effectively in limited working hours. These competencies ensure you can contribute meaningful results and maintain productivity within a flexible or reduced schedule.

What are some common challenges faced by part time engineers, and how can they be addressed?

Part-time engineers often face challenges such as balancing multiple responsibilities, staying updated with project changes, and maintaining effective communication with full-time team members. To address these issues, it's important to establish clear expectations with supervisors, use collaborative tools for project tracking, and proactively schedule regular check-ins with the team. Adopting these practices can help part-time engineers stay engaged and ensure their contributions align with overall project goals.
What are the most commonly searched types of Engineering jobs in Walnut, CA? The most popular types of Engineering jobs in Walnut, CA are:
What cities near Walnut, CA are hiring for Part Time Engineering jobs? Cities near Walnut, CA with the most Part Time Engineering job openings:
Part Time Engineering jobs near you
Infographic showing various Part Time Engineering job openings in Walnut, CA as of August 2026, with employment types broken down into 88% Full Time, 8% Part Time, 3% Contract, and 1% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $66,874 per year, or $32.2 per hour.

Engineering Intern

Tetra Tech, Inc.

Diamond Bar, CA • On-site

$18 - $23/hr

Part-time, Internship

This job post has expired 1 day ago. Applications are no longer accepted.

Tetra Tech rating

6.4

Company rating: 6.4 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

395th of 441 rated engineering

Job description

Discover your full potential. At Tetra Tech, we are collaborating with industry-leading experts for a sustainable future for our world. We combine consulting and engineering with advanced analytics and technology to solve the world's most complex challenges. Our innovation hubs across the globe will enable you to share ideas and best practices while growing your professional network. Wherever you are in your career journey, you will benefit from working with world-class engineers, scientists, and technical specialists.
At Tetra Tech, we are Leading with Science to solve the world's most complex challenges. Our industry-leading experts in engineering and consulting are committed to driving positive change in communities around the world. For over 50 years, we have been at the forefront of innovation and sustainability. Today we stand as a market leader, offering cutting-edge solutions in water, environment, energy, and international development. Our work has improved more than 625 million lives around the world.
Join Tetra Tech to make a real difference. Our work leverages cutting-edge technologies, advanced analytics, and the expertise of world-class scientists and engineers to create meaningful change around the world. Discover your full potential - join us to advance your career while leaving a lasting legacy.
Apply today and join the company that is Leading with Science®.
Tetra Tech has an immediate opening for a part-time engineering intern. This is a great opportunity to learn the business side of engineering consulting while obtaining hands-on experience on project deliverables. The pay scale for this position is $18-$23 per hour, based on qualifications and experience.
Your Role:
Under general supervision, the incumbent will assist with engineering assignments, data entry, data management, proofing preparation and assembly of reports, produce excel spreadsheets, project coordination, and assist with miscellaneous engineering and general office tasks.
Qualifications:
  • Pursuing a bachelor's degree in Civil, Chemical, Mechanical or Environmental Engineering
  • Knowledge and use of Microsoft Office required
  • Strong interpersonal, oral and written communication skills required
  • Ability to handle multiple priorities in a fast-paced environment
  • Excellent listening skills and attention to detail
  • Self-motivated and a strong desire to learn and contribute to the team

Life at Tetra Tech:
The perks of working at Tetra Tech include:
  • Comprehensive and market-competitive benefits.
  • Merit-based financial rewards.
  • Flexibility and company-wide commitment to work/life balance.
  • Collaborative team atmosphere that values the contributions of all employees.
  • Learning and development opportunities for ongoing professional growth.

About Tetra Tech:
Tetra Tech is the leader in water, environment, and sustainable infrastructure, providing high-end consulting and engineering services for projects worldwide. With 30,000 employees working together, Tetra Tech provides clear solutions to complex problems by Leading with Science® to address the entire water cycle, protect and restore the environment, design sustainable and resilient infrastructure, and support the clean energy transition.
Tetra Tech is proud to be an Equal Opportunity Employer. All qualified candidates will be considered without regard to race, color, religion, national origin, age, disability, sexual orientation, gender identity, status as a protected veteran, or any other characteristic protected by law. Tetra Tech is a VEVRAA federal contractor and we request priority referral of veterans.
We invite applications from all interested parties.
Explore our open positions at https://www.tetratech.com/careers. Follow us on social media to learn more about our people, culture, and opportunities:
LinkedIn: @TetraTechCareers
X (Twitter): @TetraTechJobs
We thank all applicants for their interest, however, only those candidates selected for interviews will be contacted.
Please no phone calls or agencies.

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