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Mechanical Engineering Startup Jobs in Riverside, CA

Eldorado CA

Electro-Mechanical Assembler II

Riverside, CA · On-site

$23 - $27/hr

S. transportation manufacturer specializing in design, engineering, and end-to-end production of ... Ensure safe startup, shutdown, and operational execution in accordance with approved procedures.

Canopy A&D

AI&T Technician, 2nd Shift

Ontario, CA · On-site

... engineering drawings, work instructions, travelers, and process specifications Support mechanical ... or startup manufacturing environment Flexibility to support overtime or alternate shifts as ...

Canopy A&D

AI&T Technician, 2nd Shift

Ontario, CA

$25 - $32/hr

... engineering drawings, work instructions, travelers, and process specifications * Support mechanical ... Prior experience in a high-growth or startup manufacturing environment * Flexibility to support ...

Canopy A&D

AI&T Technician, 2nd Shift

Ontario, CA · On-site

... mechanical fabrication • Ability to read and interpret engineering drawings, blueprints ... startup manufacturing environment • Flexibility to support overtime or alternate shifts as ...

Shimmick

Commissioning Engineer

Riverside, CA

$90K - $100K/yr

Bachelor's Degree in electrical, mechanical, or chemical engineering. Preferred Qualifications: * 1+ years of experience in commissioning, startup, or system integration for water/wastewater ...

Shimmick

Commissioning Engineer

Loma Linda, CA

$90K - $100K/yr

Bachelor's Degree in electrical, mechanical, or chemical engineering. Preferred Qualifications: * 1+ years of experience in commissioning, startup, or system integration for water/wastewater ...

Shimmick

Commissioning Engineer

Loma Linda, CA · On-site

$90K - $100K/yr

Bachelor's Degree in electrical, mechanical, or chemical engineering. Preferred Qualifications: * 1+ years of experience in commissioning, startup, or system integration for water/wastewater ...

Shimmick

Commissioning Engineer

Loma Linda, CA

$90K - $100K/yr

Bachelor's Degree in electrical, mechanical, or chemical engineering. Preferred Qualifications: * 1+ years of experience in commissioning, startup, or system integration for water/wastewater ...

Actalent

Automation Engineer

Irvine, CA

Support installation and startup of new automated manufacturing equipment on the production floor ... Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Automation ...

Actalent

Automation Engineer

Irvine, CA

Support installation and startup of new automated manufacturing equipment on the production floor ... Bachelor's degree in Mechanical Engineering, Manufacturing Engineering, Industrial Automation ...

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All JobsMechanical Engineering Startup JobsMechanical Engineering Startup Jobs in Riverside, CA

Mechanical Engineering Startup information

See Riverside, CA salary details

$47.5K

$107.3K

$173.7K

How much do mechanical engineering startup jobs pay per year?

As of Aug 8, 2026, the average yearly pay for mechanical engineering startup in Riverside, CA is $107,329.00, according to ZipRecruiter salary data. Most workers in this role earn between $85,000.00 and $132,000.00 per year, depending on experience, location, and employer.

What is a mechanical engineering startup?

A mechanical engineering startup is a new business venture focused on developing, designing, or manufacturing products and solutions that leverage the principles of mechanical engineering. These startups typically work on innovations in areas such as robotics, manufacturing equipment, automotive components, energy systems, or consumer devices. They often aim to bring new technologies to market, solve industry problems, or improve existing mechanical systems. Mechanical engineering startups can range from small teams prototyping in a garage to larger groups with significant funding and facilities. Their success often depends on technical expertise, creative problem-solving, and the ability to rapidly iterate on product designs.

What are some common challenges mechanical engineers face when working in a startup environment?

Mechanical engineers in startups often encounter challenges such as limited resources, rapidly shifting project priorities, and the need to wear multiple hats. Unlike larger organizations, startups may lack specialized teams, so engineers may need to handle a mix of design, prototyping, testing, and even some business or customer-facing tasks. The fast-paced environment can be rewarding, but also demands adaptability, creative problem-solving, and excellent time management skills. Collaboration with colleagues from different backgrounds is frequent, fostering innovation but also requiring strong communication and flexibility.

What are the key skills and qualifications needed to thrive in a mechanical engineering startup, and why are they important?

To thrive in a mechanical engineering startup, you need a solid grounding in mechanical design, problem-solving, and prototyping, typically supported by a mechanical engineering degree. Proficiency with CAD software (such as SolidWorks or AutoCAD), rapid prototyping tools, and familiarity with industry standards or certifications (like FE or PE) are highly valued. Strong adaptability, entrepreneurial mindset, and effective teamwork skills help individuals excel in the dynamic and resource-constrained environment of a startup. These abilities are crucial for driving innovation, efficiently bringing products to market, and overcoming the unique challenges faced by early-stage companies.

What is the difference between Mechanical Engineering Startup vs Mechanical Engineer?

AspectMechanical Engineering StartupMechanical Engineer
CredentialsBachelor's or Master's in Mechanical Engineering, relevant certificationsBachelor's or Master's in Mechanical Engineering, professional licensure often preferred
Work EnvironmentFast-paced, innovative, often small teams, dynamic projectsStructured, corporate or industrial settings, project-based, collaborative
Employer & IndustryStartups in tech, manufacturing, or product developmentEstablished companies, manufacturing, automotive, aerospace

Mechanical Engineering Startup roles focus on innovation, versatility, and rapid project execution within small teams, often requiring a broad skill set. Mechanical Engineers in established firms work on well-defined projects with structured processes. Both roles require similar educational backgrounds but differ in work environment and project scope.

What are popular job titles related to Mechanical Engineering Startup jobs in Riverside, CA? For Mechanical Engineering Startup jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Mechanical Engineering Startup jobs in Riverside, CA look for? The top searched job categories for Mechanical Engineering Startup jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Mechanical Engineering Startup jobs? Cities near Riverside, CA with the most Mechanical Engineering Startup job openings:
Mechanical Engineering Startup jobs near you
Infographic showing various Mechanical Engineering Startup job openings in Riverside, CA as of August 2026, with employment types broken down into 85% Full Time, 10% Part Time, 4% Contract, and 1% Nights. Highlights an 87% Physical, 3% Hybrid, and 10% Remote job distribution, with an average salary of $107,329 per year, or $51.6 per hour.

Field Service Engineer, Water Treatment ($10K Sign on Bonus)

Xylem

Riverside, CA

Full-time

Medical, Dental, Vision, Retirement, PTO

Re-posted 22 days ago

Xylem rating

7.4

Company rating: 7.4 out of 10

Based on 91 frontline employees who took The Breakroom Quiz

294th of 537 rated manufacturers

Job description

Xylem is a Fortune 500 global water solutions company dedicated to advancing sustainable impact and empowering the people who make water work every day. As a leading water technology company with 23,000 employees operating in over 150 countries, Xylem is at the forefront of addressing the world's most critical water challenges. We invite passionate individuals to join our team, dedicated to exceeding customer expectations through innovative and sustainable solutions.

Xylem/Evoqua - Field Service Engineer - Water Treatment $10,000 sign on bonusWe're seeking a hands-on Field Process Engineer to own the startup, commissioning, and troubleshooting of advanced water and wastewater treatment systems. This is a bootsontheground role with heavy travel, close customer interaction, and direct responsibility for making sure every system hits its performance and quality targets.What You'll Do:
  • Lead commissioning and startup of high purity water and wastewater systems
  • Troubleshoot mechanical, electrical, and process issues and drive solutions
  • Conduct site surveys, system testing, and performance validation
  • Work with PLC controls (Allen-Bradley, Siemens) and process instrumentation
  • Work on various low-voltage and power systems including 24 VDC, 120 VAC, 220 VAC, 208/277 VAC, 480 VAC
  • Interpret and update P&IDs, schematics, and technical documentation
  • Provide on-site customer training and technical support
  • Support equipment maintenance, including pumps, valves, and piping systems
  • Ensure compliance with safety standards and procedures
What You'll Bring:
  • 5+ years of experience in field service, commissioning, or startup
  • Background in water treatment, wastewater, or high purity systems
  • Strong mechanical and electrical troubleshooting skills
  • Experience with PLCs and control systems
  • Ability to read P&IDs and engineering drawings
  • Strong communication and customer-facing skills
  • Ability to trave up to 85% (domestic and international)
  • Valid driver's license
  • Ability to work in industrial environments and lift up to 70 lbs
Preferred
  • Bilingual in Spanish and English
  • Project leadership experience
  • Familiarity with process chemistry and water treatment systems
Education:Bachelor's degree in Engineering preferredDegree commensurate wastewater commissioning and troubleshooting experience will be considered.The estimated salary range for this position is $90,000 to $120,000 and $10,000 sign on bonus.Starting pay is dependent on multiple factors, such as skills, experience and work location, and is not typically at the top of the range.At Xylem we offer a competitive compensation package with a generous benefit package, including Medical, Dental, Vision plans, 401(k) with company contribution, paid time off, paid parental leave and tuition reimbursement.Xylem does not provide visa sponsorship for this position
#LI-JRT05

Join the global Xylem team to be a part of innovative technology solutions transforming water usage, conservation, and re-use. Our products impact public utilities, industrial sectors, residential areas, and commercial buildings, with a commitment to providing smart metering, network technologies, and advanced analytics for water, electric, and gas utilities. Partner with us in creating a world where water challenges are met with ingenuity and dedication; where we recognize the power of inclusion and belonging in driving innovation and allowing us to compete more effectively around the world.

At Xylem, you'll not only contribute to solving water issues but also have the chance to make a difference through our paid Volunteer Program, Xylem Watermark. We prioritize our employees' well-being through inclusion and belonging as well as our Employee Resource Groups (ERG). Proud to be an Equal Employment Opportunity (including disability and veterans) and Affirmative Action workplace, Xylem fosters an inclusive environment free from discrimination or harassment.

Please note that the information in this job description outlines the general nature of the position and is not an exhaustive list of duties. Xylem is dedicated to providing reasonable accommodations to enable all employees to perform their essential job functions. We reserve the right to modify this job description and assign additional duties as needed. Embrace the opportunity to be part of Xylem's transformative journey in shaping the future of water technology! #XylemCareers #GlobalImpact #WaterInnovation

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