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Mechanical Engineering Startup Jobs in Riverside, CA

Career Renew

CAE/FEA Engineer

Irvine, CA · Remote

$170K - $235K/yr

... startup experience (Nice-to-have) Bachelor's in Mechanical or similar engineering field (Mandatory) Master's or PhD in a relevant engineering field (Nice-to-have) Hands-on experience with FEA tools:

Xylem

Field Service Engineer - Wastewater

Irvine, CA

$90K - $120K/yr

... startup of high purity water and wastewater systems * Troubleshoot mechanical, electrical, and ... Ability to read P&IDs and engineering drawings * Ability to trave up to 85% (domestic and ...

RimePro Inc

Maintenance Mechanic

Irvine, CA · On-site

$30 - $40/hr

Troubleshoot and repair electrical, mechanical, hydraulic, pneumatic, and electromechanical systems ... Partner with production and engineering teams to identify root causes and improve equipment ...

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Showing results 21-40

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.

Inside Sales Engineer - Level 1

Air Treatment Corporation

Brea, CA • On-site

$65K - $85K/yr

Full-time

Re-posted 29 days ago

Job description

Description

Air Treatment Corporation is a dynamic, collaborative work environment.  We understand the expectations of high-quality customer service, therefore we actively search and promote a cohesive team that is formulated to exceed expectations. We are devoted to the growth of our employees and look to provide opportunities for advancement from within, while providing a robust benefit package to our team members.


Job Summary:

Inside Sales Engineer I - Level I acts as a liaison between internal customers such as: Sales Engineers, ISE Managers, ISE peers, the service department, the Product Specialist group, the parts department and the accounting team. Constant communication is required to provide general information, service, maintenance, and repair updates related to the different stages of the product/project.


Job Code: Administrative/Sales

Location:Fresno, CA 

Salary:Non-Exempt

Estimated Pay: $65k - $85k


Duties / Responsibilities:

Pre-Bid Duties:

Review bid calendars from customers.

Interface with customers as necessary to collect relevant bid documents, plans, and specifications.

Use multiple factory software tools to create equipment selections, performance data and specifications.

Generate quote letters and price summaries based on customer requests and/or project plans and specifications.

Update and manage bid documents and quote requests in ATC CRM.


Project Management Duties:

Create submittal documents for various products.

Work with sales engineers to gain approval for submittals.

Enter orders to factories.

Enter stock orders in ATC CRM.

Relay shipping information between factory and customer.

Interact with credit team and CRM coordinators as needed.

Track orders/shipments as necessary

Coordinate equipment startup requirements with ATC Service department

Assemble project closeout documents.

Process warranty claims with manufacturers.

Process and track RMAs with customers and manufacturers.

Update and manage orders in CRM.


Additional Duties:

Attend jobsite and/or customer visits to assist sales engineers.

Attend in-house factory training, ATC training, factory/webinar and online training.

Demonstrate knowledge of location for factory literature and technical resources.

Assist and direct customers with requests.


Requirements

Required Skills / Abilities: 

Excellent verbal communication skills.

Excellent interpersonal and customer service skills.

Excellent organization skills and attention to detail.

Proficient in time management.

Demonstrated problem solving skills. 

Proficient with Microsoft Office Suite (Outlook, Word, Excel), Internet Browser (Chrome), and related Microsoft CRM software.


Education and Experience:

Prior experience in customer service highly preferred.

Associate degree in business administration.

B.S. in Mechanical Engineering preferred.


Physical Requirements:

Prolonged periods sitting at a desk and working on a computer.

Must be able to lift up to 25 pounds at times.

Vaid driver's license and no major driving violations.

Travel to meet with clients or potential clients will be required on occasion.


At Air Treatment Corporation we are dedicated to growth, innovation, and diversity. As leading experts in HVAC & R solutions, we believe that the success of our team is the success of our company.  This is echoed in our commitment to an equal and inclusive environment.  We commit to fair hiring and policies, and we want you to join a team that celebrates authenticity and empowers new, diverse perspectives.


Apply