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Trainee Mechanical Engineer Jobs in Riverside, CA

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Trainee Mechanical Engineer information

See Riverside, CA salary details

$18

$34

$57

How much do trainee mechanical engineer jobs pay per hour?

As of Aug 5, 2026, the average hourly pay for trainee mechanical engineer in Riverside, CA is $34.64, according to ZipRecruiter salary data. Most workers in this role earn between $28.08 and $39.13 per hour, depending on experience, location, and employer.

What are the key skills and qualifications needed to thrive as a trainee mechanical engineer?

To thrive as a Trainee Mechanical Engineer, you need a solid educational background in mechanical engineering or a related field, along with a fundamental understanding of engineering principles. Familiarity with CAD software, simulation tools (like ANSYS), and basic manufacturing processes is typically required. Strong problem-solving abilities, eagerness to learn, and effective communication skills help you excel in this role. These skills and qualities are crucial for successfully contributing to engineering projects and adapting to the demands of a dynamic technical environment.

What are some typical projects or tasks a trainee mechanical engineer might work on during their first year?

As a Trainee Mechanical Engineer, you can expect to be involved in a variety of foundational tasks such as assisting with CAD design, supporting prototype development, and conducting basic testing or analysis under supervision. You'll often collaborate with senior engineers, participate in team meetings, and help document project progress. This hands-on exposure is designed to build your technical skills and understanding of workplace standards, while also giving you the opportunity to contribute to real-world engineering solutions. Over time, you'll gradually take on more responsibility as your experience and confidence grow.

What does a trainee mechanical engineer do?

A Trainee Mechanical Engineer assists senior engineers in designing, developing, and testing mechanical devices or systems. They typically work on tasks such as drafting technical drawings, conducting research, performing calculations, and supporting project management activities. The role is designed to provide hands-on experience and training, allowing the trainee to learn industry standards, software tools, and engineering processes. Over time, they may take on more responsibility and complex assignments as they gain expertise.

What is the difference between Trainee Mechanical Engineer vs Mechanical Design Engineer?

AspectTrainee Mechanical EngineerMechanical Design Engineer
QualificationsTypically pursuing or recently completed a degree in mechanical engineeringBachelor's degree in mechanical engineering or related field, often with some experience
Work EnvironmentTraining programs, entry-level tasks, supervised projectsDesign development, CAD modeling, project planning
ResponsibilitiesAssisting senior engineers, learning technical skills, supporting projectsCreating and analyzing mechanical designs, preparing technical drawings

While a Trainee Mechanical Engineer is in the early stages of their career, focusing on learning and supporting projects, a Mechanical Design Engineer is more experienced, responsible for designing and developing mechanical systems. Both roles require a background in mechanical engineering, but the Design Engineer role involves more technical expertise and independent work.

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 cities near Riverside, CA are hiring for Trainee Mechanical Engineer jobs? Cities near Riverside, CA with the most Trainee Mechanical Engineer job openings:
Trainee Mechanical Engineer jobs near you
Infographic showing various Trainee Mechanical Engineer job openings in Riverside, CA as of June 2026, with employment types broken down into 94% Full Time, 4% Part Time, 1% Temporary, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $72,043 per year, or $34.6 per hour.

Pressure Equipment Compliance Inspector (Trainee)

Veterans Prime, Inc.

Corona, CA • On-site

$70K - $80K/yr

Other

Medical, Dental, Vision, Retirement, PTO

Posted yesterday

New

Job description

Overview
Pressure Equipment Compliance Inspector (Trainee)
Pressure Equipment Compliance Inspector (Trainee) Salary: $70,000-$80,000 + Full Benefits + Company Vehicle Training provided to earn State Certificate of Competency & National Board "A" Endorsement
Our client is hiring a Pressure Equipment Compliance Inspector to support customers throughout the region. This is a full-time, permanent role offering excellent benefits, paid time off, and a company-provided vehicle. Candidates with experience in boilers, pressure vessels, welding, NDT/NDI, or Navy nuclear operations are strongly encouraged to apply.
What You'll Do
You will perform field-based inspections that ensure the quality, safety, and code compliance of pressure equipment during fabrication, erection, and repair. Your work supports the earliest stages of the equipment lifecycle and plays a critical role in protecting people, facilities, and operations across industrial, energy, and manufacturing sectors.
Key responsibilities include:
  • Reviewing and accepting job packages
  • Performing in-process inspections
  • Monitoring contractor quality-control systems
  • Witnessing hydrostatic tests
  • Reviewing and signing required documentation
  • Communicating professionally with clients and contractors
What's In It For You
  • $70,000-$80,000 starting salary
  • Full benefits package (medical, dental, vision, retirement)
  • Company vehicle
  • Paid time off and paid holidays
  • Training provided to earn:
    • State Certificate of Competency
    • National Board Commission with "A" Endorsement
  • Career progression into supervisor or engineering roles
  • High job security in a specialized, in-demand field
  • Excellent fit for Navy Nuclear, welders, NDT/NDI technicians, boiler operators, and industrial mechanics
Required Qualifications
  • Experience with high-pressure boilers
  • Experience operating, maintaining, or inspecting boilers or pressure vessels
  • Working knowledge of ASME and NBIC Codes
  • Strong communication skills and professional integrity
Preferred Qualifications
  • Navy Nuclear (MMN, EMN, ETN)
  • Welders with NDT/NDI experience (VT, PT, MT, UT, RT exposure)
  • Industrial maintenance or utilities technicians
  • Boiler operators or stationary engineers
  • QA/QC technicians in fabrication or heavy industry
  • Experience with pressure vessels, steam systems, or industrial mechanical equipment
  • Risk survey or inspection experience
  • National Board Commission (if already held)

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