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Mechanical Engineer Jobs in Riverside, CA (NOW HIRING)

Managed Staffing

Mechanical Engineer

Irvine, CA · On-site

$50 - $56/hr

Mechanical Engineer Location: Onsite - Irvine, CA Shift: 1st Shift US Citizenship Required About the Role We are seeking a Mechanical Engineer I to support the design, analysis, and development of ...

Staco Systems

Mechanical Engineer

Irvine, CA

Mechanical Engineer Job Summary The Mechanical Engineer is a key member of the Engineering team as first responder in the support of new and released products. The Mechanical Engineer shall be ...

Staco Systems

Mechanical Engineer

Irvine, CA · On-site

$65K - $162K/yr

Mechanical Engineer Job Summary The Mechanical Engineer is a key member of the Engineering team as first responder in the support of new and released products. The Mechanical Engineer shall be ...

Staco Systems

Mechanical Engineer

Irvine, CA · On-site

$65K - $162K/yr

Mechanical Engineer Job Summary The Mechanical Engineer is a key member of the Engineering team as first responder in the support of new and released products. The Mechanical Engineer shall be ...

Purple Hires Inc

Mechanical Engineer

Irvine, CA · On-site

Mechanical Engineer Location: Irvine CA (Onsite) Duration: C2C Seeking a Mechanical Engineer with 2-5 years of experience in turbo machinery (compressors, turbines, ECS subsystems) . Key ...

Salas O'Brien, Inc.

Mechanical Engineer

Tustin, CA · On-site +1

$70K - $110K/yr

Mechanical Engineer (Early Career) At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our ...

HDR

Mechanical Engineer

Irvine, CA · On-site

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

Salas O'Brien

Mechanical Engineer

Tustin, CA · On-site

$70K - $110K/yr

Mechanical Engineer (Early Career) At Salas O'Brien we tell our clients that we're engineered for impact. This passion for making a difference applies just as much to our team as it does to our ...

HDR

Mechanical Engineer

Irvine, CA · On-site

We bring together mechanical, electrical, structural, and civil engineering experts to solve complex design challenges with precision, creativity, and collaboration. Whether you're optimizing energy ...

Luxfer Gas Cylinders

Mechanical Engineer

Riverside, CA · On-site

$90K - $110K/yr

The Mechanical Engineer will develop and maintain engineering drawings, CAD models, fixtures, and tooling while ensuring compliance with company standards and manufacturing requirements. The goal of ...

Kaizen Stackup

Thermal/Mechanical Engineer

Santa Ana, CA

$150K - $170K/yr

Thermal/Mechanical Engineer Location: California Reports To: Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer ...

Kaizen Stackup

Thermal/Mechanical Engineer

Irvine, CA

$150K - $170K/yr

Thermal/Mechanical Engineer Location: California Reports To: Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer ...

Kaizen Stackup

Thermal/Mechanical Engineer

Irvine, CA

$150K - $170K/yr

Thermal/Mechanical Engineer Location: California Reports To: Vice President, Systems Engineering Salary Range: $150,000 - $170,000 Overview We are seeking a highly skilled Thermal/Mechanical Engineer ...

Salas O'Brien, Inc.

Mechanical Engineer

Corona, CA · Hybrid

$80K - $110K/yr

Mechanical Engineer Summary The Mechanical Engineer serves to focus on the design of mechanical systems for new facilities, additions, and renovation projects. This will require providing technical ...

804 Technology

Mechanical Engineer

Irvine, CA · On-site

The Mechanical Engineer will carry out engineering assignments concerned with the planning, design and testing of rotating machinery (fans, pump and compressor) with rotating speeds up to 24,000 rpm.

Salas O'Brien, Inc.

Mechanical Engineer

Irvine, CA · Hybrid

$80K - $110K/yr

Mechanical Engineer Summary The Mechanical Engineer serves to focus on the design of mechanical systems for new facilities, additions, and renovation projects. This will require providing technical ...

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Showing results 1-20

All JobsMechanical Engineer JobsMechanical Engineer Jobs in Riverside, CA

Mechanical Engineer information

See Riverside, CA salary details

$47.5K

$107.3K

$173.7K

How much do mechanical engineer jobs pay per year?

As of Aug 4, 2026, the average yearly pay for mechanical engineer 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 are the key skills and qualifications needed to thrive as a mechanical engineer, and why are they important?

To thrive as a Mechanical Engineer, you need a solid background in mechanical design, mathematics, and physics, typically supported by a bachelor's degree in mechanical engineering or a related field. Proficiency in CAD software (such as SolidWorks or AutoCAD), finite element analysis tools, and familiarity with industry standards or relevant certifications (like a Professional Engineer license) are common requirements. Strong problem-solving abilities, teamwork, and effective communication skills help professionals excel in collaborative and multidisciplinary environments. These skills are crucial for ensuring safe, innovative, and efficient engineering solutions that meet project and client needs.

What are common interdisciplinary collaborations for mechanical engineers in a typical project setting?

Mechanical Engineers often work closely with professionals from other disciplines such as electrical engineers, software developers, and industrial designers, especially when developing complex products or machinery. Collaboration is essential for integrating mechanical systems with electronics and software, ensuring functionality, safety, and efficiency. These interactions usually involve regular team meetings, joint problem-solving sessions, and coordinated testing to achieve project goals. Being comfortable working in cross-functional teams can significantly enhance your success and contribute to innovative solutions.

What is the difference between Mechanical Engineer vs Mechanical Designer?

AspectMechanical EngineerMechanical Designer
Required CredentialsBachelor's degree in Mechanical Engineering, PE license (optional)Bachelor's degree in Mechanical Design, CAD certifications (often)
Work EnvironmentDesign, analysis, testing, project managementCreating detailed CAD models, drafting, and design documentation
Industry UsageEngineering firms, manufacturing, aerospace, automotiveProduct design, manufacturing, industrial equipment

Mechanical Engineers focus on designing, analyzing, and testing mechanical systems, often overseeing projects from conception to completion. Mechanical Designers primarily create detailed CAD models and drawings based on specifications. While both roles require technical skills and knowledge of mechanical systems, Mechanical Engineers typically have broader responsibilities including analysis and project management, whereas Mechanical Designers specialize in detailed design work.

What does a mechanical engineer do?

A Mechanical Engineer designs, develops, builds, and tests mechanical devices such as engines, machines, and tools. They use principles of physics and mathematics to solve engineering problems and improve existing products. Mechanical Engineers can work in a variety of industries, including automotive, aerospace, manufacturing, and energy. Their responsibilities often include creating blueprints, analyzing data, and collaborating with other engineers or professionals to ensure projects meet safety and quality standards.
More about Mechanical Engineer jobs
What are the most commonly searched types of Mechanical Engineer jobs in Riverside, CA? The most popular types of Mechanical Engineer jobs in Riverside, CA are:
What are popular job titles related to Mechanical Engineer jobs in Riverside, CA? For Mechanical Engineer jobs in Riverside, CA, the most frequently searched job titles are:
What job categories do people searching Mechanical Engineer jobs in Riverside, CA look for? The top searched job categories for Mechanical Engineer jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Mechanical Engineer jobs? Cities near Riverside, CA with the most Mechanical Engineer job openings:
Mechanical Engineer jobs near you
Infographic showing various Mechanical Engineer job openings in Riverside, CA as of July 2026, with employment types broken down into 94% Full Time, and 6% Contract. Highlights an 100% In-person job distribution, with an average salary of $107,329 per year, or $51.6 per hour.

Mechanical Engineer

Managed Staffing

Irvine, CA • On-site

$50 - $56/hr

Contractor

Re-posted 3 days ago

Job description

Mechanical Engineer

Location: Onsite – Irvine, CA
Shift: 1st Shift
US Citizenship Required

About the Role

We are seeking a Mechanical Engineer I to support the design, analysis, and development of mechanical equipment, systems, and components for aerospace and defense applications. This role involves hands-on engineering work, design reviews, calculations, and collaboration with cross-functional teams. Work is 100% onsite in Irvine, CA.

Key Responsibilities

  • Perform mechanical design of components, assemblies, and systems.

  • Conduct engineering calculations and analyses to validate suitability and safety.

  • Support assembly, troubleshooting, testing, and repair of environmental control systems.

  • Review drawings from Drafters/Designers and provide feedback.

  • Support engineers on simple–medium complexity projects; may provide guidance to Drafters/Designers.

  • Prepare technical reports, documentation, and presentation materials.

  • Collaborate with internal engineering, manufacturing, and quality teams.

  • Present design concepts to peers, engineers, and customers.

Required Qualifications

  • Bachelor’s Degree in Mechanical Engineering (BSME) from an accredited institution.

  • Knowledge of mechanical design principles and ASME Y14.5M GD&T standards.

  • Experience designing mechanical components/subsystems.

  • Understanding of mechanical drafting and drawing standards.

  • Familiarity with applied thermodynamics and mechanical engineering fundamentals.

  • US Citizen (mandatory for defense project eligibility).