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Junior Mechanical Engineer Jobs in Riverside, CA

General Micro Systems, Inc.

Be Seen First

Jr. Mechanical Engineer

Rancho Cucamonga, CA · On-site

$74K - $90K/yr

Bachelor of Science in Mechanical Engineering (BSME) * Working knowledge of FEA for structural and thermal aspects of electronic enclosure design is preferred * Related Coursework/Classes: * * Heat ...

New

NextDeavor Inc.

Mechanical Engineer II

Irvine, CA

$40.01 - $64.90/hr

Mechanical Engineer II Full-time Irvine, CA, US Exclusive confidential search -- details shared ... Provide direction or guidance to junior engineers, designers, and drafters as needed * Collaborate ...

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 ... Oversee and provide guidance to junior engineers * Lead project teams and serve as the primary ...

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 ... Oversee and provide guidance to junior engineers * Lead project teams and serve as the primary ...

Salas O'Brien

Mechanical Engineer

Irvine, CA · On-site

$80K - $110K/yr

Mechanical Engineer Summary The Mechanical Engineer serves to focus on the design of mechanical ... Oversee and provide guidance to junior engineers * Lead project teams and serve as the primary ...

Turion Space

Senior Mechanical Engineer

Irvine, CA

$112K - $148K/yr

Provide guidance and mentorship to junior engineers, sharing expertise and promoting best practices in mechanical engineering. Qualifications Minimum Qualifications: * Education: Bachelor's degree in ...

AECOM

Senior Mechanical Engineer

Orange, CA

$111K - $147K/yr

Mentor and teach junior engineers. Grow your career with us in our Building+ Places group. The Senior Mechanical Engineer will be responsible for the following but not limited to; * Design of heating ...

AECOM

Senior Mechanical Engineer

Orange, CA · On-site

$111K - $147K/yr

Mentor and teach junior engineers. Grow your career with us in our Building+ Places group. The Senior Mechanical Engineer will be responsible for the following but not limited to; * Design of heating ...

AECOM

Senior Mechanical Engineer

Orange, CA · On-site

$111K - $147K/yr

Mentor and teach junior engineers. Grow your career with us in our Building+ Places group. The Senior Mechanical Engineer will be responsible for the following but not limited to; * Design of heating ...

Belcan

Mechanical Engineer II

Irvine, CA

$40.01 - $64.90/hr

Mechanical Engineer II Pay Rate: $40.01 - $64.9/hr. Location: Irvine, CA Area Code: 949, 714 ZIP ... May give directions and/or guidance to junior level engineers, designers and drafters. * Works with ...

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 ...

jobr.pro

Senior Mechanical Engineer

Irvine, CA · On-site

$135 - $150/hr

Mentor junior engineers and contribute to continuous improvement of engineering processes, tools, and best practices. What You'll Need to Have * B.S. or M.S. in Mechanical Engineering or a related ...

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All JobsMechanical Engineer JobsJunior Mechanical Engineer JobsJunior Mechanical Engineer Jobs in Riverside, CA

Junior Mechanical Engineer information

See Riverside, CA salary details

$42.8K

$76.3K

$102.2K

How much do junior mechanical engineer jobs pay per year?

As of Aug 31, 2026, the average yearly pay for junior mechanical engineer in Riverside, CA is $76,306.00, according to ZipRecruiter salary data. Most workers in this role earn between $66,200.00 and $86,100.00 per year, depending on experience, location, and employer.

What is a junior mechanical engineer?

A junior mechanical engineer works with a team of other engineers and supervisors to help design, build, and test machines and equipment. These professionals often work in manufacturing firms and research institutions and specialize in a specific field, such as biotechnology, consumer electronics, or automobile manufacturing. As a junior mechanical engineer, your duties may include finalizing blueprints, acquiring materials, creating prototypes, and resolving mechanical problems. To become a junior mechanical engineer, you typically need at least a bachelor’s degree in mechanical engineering and formal training. Candidates usually enter the field as assistants to other junior mechanical engineers in order to gain work experience and learn elements of product design, development, and testing. You may also pursue voluntary certification to demonstrate your skills as a professional and improve your job prospects.

What does a junior mechanical engineer do?

A Junior Mechanical Engineer assists in designing, developing, and testing mechanical devices and systems under the supervision of senior engineers. Their responsibilities often include creating technical drawings, running simulations, conducting experiments, and preparing reports. They typically work as part of a team and may also help with troubleshooting and improving existing products or processes. This role provides valuable hands-on experience and is a common entry point for recent engineering graduates.

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

To excel as a Junior Mechanical Engineer, you need a solid grasp of engineering fundamentals, CAD design, and problem-solving skills, typically supported by a bachelor's degree in mechanical engineering. Familiarity with industry-standard software such as SolidWorks, AutoCAD, and simulation tools, as well as knowledge of manufacturing processes, is often required. Strong teamwork, attention to detail, and effective communication set outstanding candidates apart. These competencies ensure the ability to contribute to design projects, support innovation, and maintain quality in engineering solutions.

What are some typical projects and responsibilities a junior mechanical engineer can expect during their first year?

As a Junior Mechanical Engineer, you can expect to work on a variety of tasks such as assisting with the design and drafting of mechanical components, performing basic calculations, creating and revising CAD models, and supporting senior engineers with testing and prototype assembly. You'll often collaborate with cross-functional teams, including manufacturing and quality assurance, to ensure that designs meet project requirements and standards. It's common to be assigned to smaller sections of larger projects, giving you exposure to different aspects of mechanical engineering while building your technical and teamwork skills.

What is the difference between Junior Mechanical Engineer vs Mechanical Designer?

AspectJunior Mechanical EngineerMechanical Designer
Required CredentialsBachelor's in Mechanical Engineering or related fieldBachelor's in Mechanical Engineering, Mechanical Design, or related field
Work EnvironmentEngineering firms, manufacturing, R&DDesign departments, engineering firms, manufacturing
Employer & Industry UsageUsed across engineering and manufacturing sectorsPrimarily in design and product development roles

Junior Mechanical Engineers and Mechanical Designers often share educational backgrounds and work in similar environments. While Junior Mechanical Engineers focus on applying engineering principles to projects, Mechanical Designers specialize in creating detailed designs and CAD models. Both roles are essential in product development and manufacturing industries, with overlapping skills but different primary responsibilities.

More about Junior 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 Junior Mechanical Engineer jobs in Riverside, CA?

For Junior Mechanical Engineer jobs in Riverside, CA, the most frequently searched job titles are:

What job categories do people searching Junior Mechanical Engineer jobs in Riverside, CA look for?

The top searched job categories for Junior Mechanical Engineer jobs in Riverside, CA are:

What cities near Riverside, CA are hiring for Junior Mechanical Engineer jobs?

Cities near Riverside, CA with the most Junior Mechanical Engineer job openings:

Junior Mechanical Engineer jobs near you
Infographic showing various Junior Mechanical Engineer job openings in Riverside, CA as of August 2026, with employment types broken down into 43% Full Time, 14% Part Time, and 43% Contract. Highlights an 100% In-person job distribution, with an average salary of $76,306 per year, or $36.7 per hour.

Junior Mechanical Engineer

City Of Industry, CA • On-site

TriMas Corporation
Plastics Packaging Film and Sheet (including Laminated) Manufacturing • 5 - 10K employees
Learn more about TriMas Corporationexternal

$24 - $26/hr

Part-time

Medical, Dental, Vision, Life, Retirement, PTO

Posted 13 days ago

Job description

Junior Mechanical Engineer
Company: TriMas Company LLC
Primary Location: 15200 Don Julian Road, City of Industry, CA 91745 USA
Workplace Type: On-site
Employment Type: Hourly Part-Time
Function: Engineering
Equal Opportunity Employer Minorities/Women/Veterans/Disabled
Main Duties & Responsibilities
JOB SUMMARY:
Plans and conducts research and developmentactivities that support in the introduction of new products formanufacture. Reviews and conductsactivities for current products that are subject to revisions.
Essential Duties, Responsibilitiesand Competencies:
Identifies, in conjunction with engineers and engineeringmanagement, promising areas of fastener products that address unmet needs andhave potential market share available.
Communicates overview of all products underdevelopment and their stage of development to engineers and engineering management.
Plans and formulates aspects of research anddevelopment proposals such as objective or purpose of project, applicationsthat can be utilized from findings, costs of project, and equipment and humanresources required.
Reviews and analyzes proposals submitted to determineif benefits derived and possible applications justify expenditures.
Conducts design reviews with engineers and submitsproposals considered feasible to engineering management for consideration andallocation of funds.
Develops and implements methods and procedures formonitoring projects, such as preparation of records of expenditures andresearch findings, progress reports, and conferences, in order to informmanagement of current status of each projects.
Tracks industry trends and competitor activities.
Qualifications
Compensation
In compliance with all states and cities requiring transparency of pay, the expected pay range for this position is $24.00-$26.00
Compensation can vary depending on several factors, including a candidate's qualifications, skills, experience, competencies, and geographic location. Some roles may qualify for extra incentives like equity, commissions, or other variable performance-related bonuses. Further details will be provided by our recruiting team during the interview process.
Benefits
Benefit offerings include Medical Insurance and Prescription Drugs, Dental Insurance, Vision Insurance, Flexible Spending Accounts, Life Insurance, Short-Term Disability, Long-Term Disability Insurance (for eligible employees), Employee Assistance Plan (EAP), Paid Time Off (may include vacation and sick time), Retirement Program, and Other Voluntary Benefits.
TriMas logo

About TriMas

Sourced by ZipRecruiter

Industry

Plastics packaging film and sheet (including laminated) manufacturing

Company size

5,001 - 10,000 Employees

Headquarters location

Bloomfield Hills, MI, US

Year founded

1988

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