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Part Time Mechanical Design Engineer Jobs in California

Saratech is seeking a part-time Design Engineer. You will assist the Engineering Services/Design team with various support duties such as CAD modeling, part model check reviews, industry standard ...

Design Engineer

Mission Viejo, CA · On-site

$30 - $50/hr

Saratech is seeking a part-time Design Engineer. You will assist the Engineering Services/Design team with various support duties such as CAD modeling, part model check reviews, industry standard ...

As we control every component of hardware design, manufacturing, data processing, and software ... The Electro-Optical Systems team at Planet is seeking an Opto-Mechanical Engineer to help drive the ...

Minimum Education ● Bachelor"s degree in Mechanical or Aerospace Engineering ● Master"s preferred Experience ● 4-8 years of rotating-hardware / mechanical design, or a relevant PhD plus ~2 ...

Mechanical Engineer

Pasadena, CA · On-site

$126K - $189K/yr

Lead the design of HVAC, Plumbing, and Fire Protection systems for various projects from ... Regular full-time and part-time employees (working at least 20 hours per week) have access to ...

The Leidos Technology and Digital Transformation Solutions Division is looking to add a part-time ... design for building and campuses. * Engineering degree desired but not required * Must be a US ...

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Part Time Mechanical Design Engineer information

See California salary details

$44.9K

$90.4K

$134.7K

How much do part time mechanical design engineer jobs pay per year?

As of Aug 8, 2026, the average yearly pay for part time mechanical design engineer in California is $90,379.00, according to ZipRecruiter salary data. Most workers in this role earn between $75,000.00 and $101,700.00 per year, depending on experience, location, and employer.

What does a part time mechanical design engineer do?

Part-time mechanical design engineers examine the products and processes of manufacturing firms and develop new and improved methods of production and management. Unlike full-time employees, part-time mechanical design engineers work typically work thirty hours or less a week. As a part-time mechanical design engineer, you study a company's current product designs and assembly methods and find ways to improve efficiency in the process and make the product more effective in its use. Most mechanical design engineers use computer-aided design (CAD) software to create 3D prototypes to run through the new processing steps. They follow each stage of production, making modifications as they go, and also inspect the final product to ensure it meets company and government standards. A part-time mechanical designer may work for a specific company or work freelance as an independent contractor.

How does working part time as a mechanical design engineer impact project involvement and collaboration with full time team members?

As a part-time Mechanical Design Engineer, you’ll often focus on specific project components or phases, coordinating closely with full-time engineers to ensure continuity and alignment. Communication is key, as you may need to attend regular team meetings and provide updates on your progress. While you might not be involved in every stage of a project, your expertise will be leveraged for critical design tasks, troubleshooting, or review. This structure allows for flexible scheduling while still contributing meaningfully to the team’s objectives.

What are the key skills and qualifications needed to thrive as a part time mechanical design engineer, and why are they important?

To thrive as a Part Time Mechanical Design Engineer, you need a solid understanding of mechanical engineering principles, design processes, and relevant qualifications such as a degree in mechanical engineering. Proficiency in CAD software (like SolidWorks or AutoCAD), simulation tools, and familiarity with industry standards are typically required. Strong problem-solving abilities, time management, and effective communication are standout soft skills for excelling in this flexible role. These skills and qualities enable efficient, high-quality design work while collaborating with teams and managing variable project schedules.
What are the most commonly searched types of Mechanical Design Engineer jobs in California? The most popular types of Mechanical Design Engineer jobs in California are:
What are popular job titles related to Part Time Mechanical Design Engineer jobs in California? For Part Time Mechanical Design Engineer jobs in California, the most frequently searched job titles are:
What job categories do people searching Part Time Mechanical Design Engineer jobs in California look for? The top searched job categories for Part Time Mechanical Design Engineer jobs in California are:
What cities in California are hiring for Part Time Mechanical Design Engineer jobs? Cities in California with the most Part Time Mechanical Design Engineer job openings:
Infographic showing various Part Time Mechanical Design Engineer job openings in California as of August 2026, with employment types broken down into 1% Internship, 76% Full Time, 17% Part Time, 2% Temporary, and 4% Contract. Highlights an 85% Physical, 4% Hybrid, and 11% Remote job distribution, with an average salary of $90,379 per year, or $43.5 per hour.

Senior Process Mechanical Design Engineer

Arcadis

Los Angeles, CA • On-site

$97K - $133K/yr

Full-time, Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 10 days ago


Arcadis rating

8.5

Company rating: 8.5 out of 10

Based on 21 frontline employees who took The Breakroom Quiz

113th of 443 rated engineering


Job description

Arcadis is the world's leading company delivering sustainable design, engineering, and consultancy solutions for natural and built assets.
We are more than 34,000 people, in over 30 countries, dedicated to improving quality of life. Everyone has an important role to play. With the power of many curious minds, together we can solve the world's most complex challenges and deliver more impact together.
Role description:
Our growing team in California is seeking an experienced Senior Process Mechanical Design Engineer to join our California Water Business. As part of this role, you will collaborate within a strong and supportive team environment to deliver innovative solutions for our clients.
Arcadis serves a variety of municipal and private sector clients in many market sectors. We combine technical expertise, a passion to serve, and a willingness to be adaptable in every project to serve our clients. You will bring your expertise to a variety of project types ranging from large municipal water/wastewater treatment facility upgrades projects to local system upgrades and feasibility studies. This role sits within our global Resilience global business area.
Role accountabilities:
As a Senior Process Mechanical Design Engineer specializing in water and wastewater projects, you will play a pivotal role in leading innovative mechanical design and process integration for cutting-edge treatment facilities, reservoirs, and pumping or lift stations. You will drive the development of comprehensive construction documents and detailed specifications for critical systems, including pumps, valves, gates, and other mechanical components. Your expertise will be central to establishing the basis of design, completing in-depth calculations, and delivering robust solutions tailored to each project's unique challenges.
You'll perform thorough assessments, meticulously size and select equipment, develop and evaluate design options with accurate cost estimates, and prepare technical memoranda to clearly document your rationale and recommendations. By leading seamless coordination among various engineering disciplines, you'll ensure every project benefits from a fully integrated design approach. You'll develop process flow narratives, conduct hydraulic analyses, and play an active role in project management activities such as budget and schedule tracking. Beyond engineering, you'll support business development efforts, contribute to compelling proposals, and inspire the next generation by mentoring junior engineers and ensuring rigorous quality control reviews. This is an opportunity to make a lasting impact on vital water infrastructure projects while advancing your career in a collaborative, forward-thinking environment.
Key Skills and Attributes:
Proficient in mechanical design standards and experience in design bid-build or alternative delivery projects. Strong working knowledge of CAD and BIM and be proficient with Microsoft Office (Word, Excel, PowerPoint) and interpersonal, verbal, and written communication skills, strong work ethic and ability to multi-task, prioritize, and take direction.
Qualifications & experience:
Required Qualifications
  • B.S. in Civil or Mechanical Engineering (or related field)
  • 8 years of relevant experience in process mechanical engineering for water and wastewater facilities.
  • Licensed Professional Engineer (P.E.) in the state of California.

Preferred Qualifications:
  • Mechanical or Civil P.E. preferred.
  • 12+ years of relevant experience in process mechanical engineering for water and wastewater facilities.

Why Arcadis?
We can only achieve our goals when everyone is empowered to be their best. We believe everyone's contribution matters. It's why we are pioneering a skills-based approach, where you can harness your unique experience and expertise to carve your career path and maximize the impact we can make together.
You'll do meaningful work, and no matter what role, you'll be helping to deliver sustainable solutions for a more prosperous planet. Make your mark, on your career, your colleagues, your clients, your life and the world around you.
Together, we can create a lasting legacy.
Join Arcadis. Create a Legacy.
Our Commitment to Equality, Diversity, Inclusion & Belonging
We want you to be able to bring your best self to work every day. Our ambition is to be an employer of choice and provide a great place to work for all our people. We are an equal opportunity employer. We are dedicated to a policy of non-discrimination in employment on any basis including race, creed, color, religion, national origin, sex, age, disability, marital status, sexual orientation, gender identity, citizenship status, disability, veteran status, or any other basis prohibited by law.
Arcadis offers benefits for full time and part time positions. These benefits include medical, dental, and vision, EAP, 401K, STD, LTD, AD&D, life insurance, paid parental leave, reward & recognition program and optional benefits including wellbeing benefits, adoption assistance and tuition reimbursement. We offer nine paid holidays and 20 days PTO that accrue per year. The salary range for this position is $121,651 - $194,304/year. Actual salaries will vary and are based on several factors, such as experience, education, budget, internal equity, project and location.
#Resilience-ANA
#Water-ANA
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About Arcadis

Sourced by ZipRecruiter

Our work with clients has a direct impact on people's lives and on the planet. We make moving, living and belonging in cities safer, more resilient and more sustainable. By partnering with our clients as responsible custodians of our earth's resources, we can create a sustainable planet. We continue to think of new ways to make positive impacts and create better experiences for people; data driven and digital solutions have become part of the Arcadis DNA. Working together with clients and using techniques like design thinking, we can get to the heart of our clients' most pressing challenges and work together to solve them.

Industry

Engineering professional services

Company size

10,000+ Employees

Headquarters location

Highlands Ranch, CO, US