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Assistant Mechanic Jobs in Riverside, CA (NOW HIRING)

MECHANIC MAINTENANCE

Rialto, CA · On-site

$25 - $32/hr

Operate mobile equipment to assist with completing maintenance assigned duties * Perform plumbing ... Prior Mechanical experience/welding experience, training or certification required * Prior plant ...

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Automotive Mechanic

Pomona, CA · On-site

$16.50 - $27.02/hr

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Automotive Mechanic

Moreno Valley, CA · On-site

$16.50 - $27.02/hr

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Automotive Mechanic

Lake Forest, CA · On-site

$16.50 - $27.02/hr

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Automotive Mechanic

Chino, CA · On-site

$16.50 - $27.02/hr

Continuously learn new technical information and techniques in formal training sessions in order to stay abreast with rapidly changing automotive technology. * Assist fellow technicians/mechanics in ...

Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems Assist in the training of lower level technicians as needed ...

Diesel Mechanic

Riverside, CA · On-site

$22.90 - $46.60/hr

Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems Assist in the training of lower level technicians as needed ...

Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems * Assist in the training of lower level technicians as needed

Diesel Mechanic

Riverside, CA · On-site

$22.90 - $46.60/hr

Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems Assist in the training of lower level technicians as needed ...

Team player, willing to assist other mechanics in their areas to accomplish the task. Must be able to work overtime and weekends as necessary. Basic computer knowledge (Excel, Outlook, and Word)

Maintenance Mechanic

Corona, CA · On-site

$26 - $30/hr

... assist other mechanics in their areas to accomplish the task. • Must be able to work overtime and weekends as necessary. • Basic computer knowledge (Excel, Outlook, and Word)

Be Seen First

We are seeking a mechanic to join our team. The job entails working with CAMS, Timing, Calibrate ... Perform preventative maintenance as needed * Assist in developing maintenance plans * Maintain ...

Safe maintenance and repair of a variety of complex rental equipment involving mechanical, electrical, hydraulic, and diesel systems * Assist in the training of lower level technicians as needed

The Mechanic must have the ability to perform general maintenance, repairs and troubleshooting on ... Document exceptions and forward to the Administrative Assistant to enter in the computer * Use ...

Mechanic

Upland, CA

$25 - $35/hr

The Mechanic must have the ability to perform general maintenance, repairs and troubleshooting on ... Document exceptions and forward to the Administrative Assistant to enter in the computer * Use ...

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Assistant Mechanic information

See Riverside, CA salary details

$13

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$29

How much do assistant mechanic jobs pay per hour?

As of Jun 9, 2026, the average hourly pay for assistant mechanic in Riverside, CA is $20.93, according to ZipRecruiter salary data. Most workers in this role earn between $18.08 and $22.55 per hour, depending on experience, location, and employer.

What is the difference between Assistant Mechanic vs Automotive Technician?

AspectAssistant MechanicAutomotive Technician
CertificationsBasic automotive training, ASE certifications often preferredAdvanced ASE certifications, specialized training
Work EnvironmentAssists senior mechanics in repair shops, garagesPerforms diagnostics, repairs, and maintenance independently
Job ResponsibilitiesSupports repairs, prepares vehicles, learns technical skillsDiagnoses issues, repairs vehicles, performs complex tasks

Assistant Mechanics typically support automotive technicians by assisting with basic tasks and gaining experience. Automotive Technicians perform more complex diagnostics and repairs independently. While both roles require automotive knowledge, technicians usually have more advanced certifications and responsibilities.

What are the typical challenges an Assistant Mechanic may face during their daily work, and how can they overcome them?

Assistant Mechanics often encounter challenges such as diagnosing unfamiliar mechanical issues, managing a fast-paced workload, and adapting to new technologies or equipment. To overcome these challenges, it's helpful to ask questions, seek guidance from experienced team members, and actively participate in training opportunities. Developing strong organizational skills and staying updated on the latest industry practices also help Assistant Mechanics perform efficiently and grow within the field.

What are assistant mechanics?

Assistant mechanics are entry-level professionals who support lead or senior mechanics in maintaining, repairing, and servicing vehicles or machinery. Their duties often include tasks such as changing oil, rotating tires, performing basic diagnostic tests, and keeping the work area clean and organized. Assistant mechanics also help with parts replacement and learn more complex repairs under supervision. This role serves as a stepping stone for gaining hands-on experience and advancing to higher-level mechanic positions.

What does a mechanic assistant do?

A mechanic assistant supports lead mechanics by performing tasks such as inspecting vehicles, changing oil, replacing parts, and assisting with repairs. They often use hand tools and diagnostic equipment and need to follow safety procedures and instructions to ensure proper vehicle maintenance and repair.

What are the key skills and qualifications needed to thrive as an Assistant Mechanic, and why are they important?

To thrive as an Assistant Mechanic, you need a foundational understanding of mechanical systems, basic repair skills, and often a high school diploma or technical training. Familiarity with diagnostic tools, hand and power tools, and sometimes certifications like ASE entry-level credentials are typically required. Attention to detail, a willingness to learn, and effective teamwork are crucial soft skills in this role. These abilities ensure that maintenance tasks are performed safely and efficiently, supporting senior mechanics and minimizing equipment downtime.

What Does an Assistant Mechanic Do?

The responsibilities of an assistant mechanic include performing intermediate skilled repair work on automobiles, small engines, and other equipment. In this career, you help the mechanic install and replace various parts on cars, trucks, and tractors. You may also help perform complete tune-ups. Other duties include changing oil and checking batteries, fan belts, filters, tires, wipers, headlights, and more. You are responsible for troubleshooting and fixing heating and air conditioning systems, electrical controls, suspension, and exhaust systems. You help with overhauling and replacing major components like transmissions and engines. You are expected to order the required parts and supplies, help load and unload delivery trucks, tow broken-down vehicles, perform welding services, and offer assistance to other crews.

What are the most commonly searched types of Mechanic jobs in Riverside, CA? The most popular types of Mechanic jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Assistant Mechanic jobs? Cities near Riverside, CA with the most Assistant Mechanic job openings:
Infographic showing various Assistant Mechanic job openings in Riverside, CA as of May 2026, with employment types broken down into 1% Locum Tenens, 32% Full Time, 66% Part Time, and 1% Contract. Highlights an 97% Physical, 1% Hybrid, and 2% Remote job distribution, with an average salary of $43,544 per year, or $20.9 per hour.
MECHANIC MAINTENANCE

MECHANIC MAINTENANCE

CEMEX

Rialto, CA • On-site

$25 - $32/hr

Other

Medical, Dental, Vision, Retirement, PTO

Posted 25 days ago


Job description

Company Overview

Founded in 1906, over the last 110+ years' CEMEX has grown into a global building materials company that provides high quality products and reliable service to customers and communities throughout the Americas, Europe, Africa, the Middle East, and Asia.  Here at CEMEX we offer our employees competitive wages, career growth, excellent benefits including health, dental & vision plans, vacation or paid time off,  employee assistance program and retirement plan options, along with over a century of stability to build your next career on! To learn more about our company culture and why you should join us, visit us at www.cemexusa.com/careers. For direct access to CEMEX Career Opportunities, visit us at https://jobs.cemex.com/.

Job Summary

The Maintenance Mechanic performs all types of mechanical jobs throughout the assigned area.  Maintain plant equipment and facilities to meet operating requirements and objectives, during and outside of regular operation schedules and maintenance. 

Job Responsibilities
  • Perform maintenance mechanic assignments on plant equipment and facilities
  • Collect data for preventative and predictive plant maintenance projects
  • Perform millwright assignments such as bearing replacement, alignment of equipment, and inspection and repair of power transmission according to plant standards
  • Perform welding and cutting assignments such as fabrication of plant equipment and structures and repair of worn process equipment according to plant standards
  • Inspect lubrication for mechanical equipment, record data for running equipment, take lab samples as required, drain oil and change oil and filters on all equipment oil reservoirs
  • Perform pipefitter assignments to install, maintain and inspect existing and future piping structures on all types of piping systems
  • Operate mobile equipment to assist with completing maintenance assigned duties
  • Perform plumbing inspection and repair on plant equipment and facilities
  • Adhere to all CEMEX, OSHA, and MSHA rules and regulations at all times and wear proper safety equipment while on plant grounds
  • Meet or exceed company safety standards
  • Perform other job responsibilities as assigned by management
Qualifications
  • High school diploma or equivalent
  • Prior Mechanical experience/welding experience, training or certification required
  • Prior plant maintenance mechanic experience a plus
  • High school diploma or equivalent
  • Prior Mechanical experience/welding experience, training or certification required
  • Prior plant maintenance mechanic experience a plus
  • High School Diploma or equivalent
  • Bi-lingual (a plus)
Knowledge, Skills, and Abilities
  • Ability to carry out not only simple, but complex oral and written instructions and deal with problems from standardized situations and work experience.
  • Good mathematical skills, including basic math, fractions and conversions of four-five digit numbers and common units of measurement in both metric and decimal system.
  • Ability to read and understand English sufficiently to be able to read technical information contained in manuals, reports, and Mechanical work related instruction, including safety issues and matters.
  • Ability to communicate well with supervisors, welders, leadmen, other Mechanics, maintenance personnel, co-workers and outside contractors.
  • Electrical and mechanical knowledge to detect potential safety hazards and breakdown of plant and quarry machinery and equipment and respond accordingly.
  • Ability to identify and select the appropriate material and equipment necessary to perform the correct mechanical work and repair.
  • High level of attentiveness and physical coordination to perform the work activities safely and productively.
Working Conditions
  • Continuous exposure to extreme heat, extreme cold, extreme noise, and working outdoors.
  • Must wear protective equipment while at the location.
Physical Requirements
  • Must be able to perform all job functions which include, but may not be limited to, walking, sitting, lifting, pushing, pulling, turning, climbing to a significant degree, and/or pulling of controls
  • Heavy Work-Exerting up to 100 pounds of force occasionally, and/or up to 50 pounds or force frequently, and/or up to 20 pounds of force constantly to move objects
  • While performing the duties of this job, the employee is regularly required to talk and hear, in order to communicate to employees/visitors as well as function safely around heavy rolling equipment
  • Must be able to perform all job functions which include, but may not be limited to, walking, sitting, lifting, pushing, pulling, turning, climbing to a significant degree, and/or pulling of controls.
  • Heavy Work-Exerting up to 100 pounds of force occasionally, and/or up to 50 pounds or force frequently, and/or up to 20 pounds of force constantly to move objects.
  • While performing the duties of this job, the employee is regularly required to talk and hear, in order to communicate to employees/visitors as well as function safely around heavy rolling equipment.
  • Requires walking, sitting, lifting, pushing, pulling, and climbing to a significant degree.
Legal Notices

CEMEX is an EEO/AA (equal opportunity/affirmative action) institution and does not discriminate on the basis of race, color, religion, religious creed, sex, sexual orientation, gender identity or expression, national origin, ancestry, age, physical or mental disability, medical condition, genetic information, marital or familial status, military or veteran status, or any other characteristic protected by under federal, state or local law in the programs or activities which it operates.

CEMEX will consider for employment qualified applicants with criminal histories in a manner consistent with all local, state and federal laws.

CEMEX is an E-Verify participating employer.

Arizona Smoke-Free Act.  CEMEX complies with the State of Arizona's Smoke-Free Act (Arizona Revised Statutes 36-601.01). Smoking and/or the use of tobacco or related products is prohibited in and on CEMEX property as well as any building and/or vehicle owned or leased by CEMEX.

CEMEX offers both competitive pay and benefits. Benefits applicable to this position may include, but are not limited to, medical, dental, vision, 401(k), Paid Time Off, and Holiday Pay, as well as a comprehensive wellness program to help keep employees and their families healthy and well. You can learn more about CEMEX Benefits by visiting the CEMEX USA Benefits and Well-Being page. (https://www.cemexusa.com/careers/life-at-cemex/benefits-well-being).

EEO Statement - En Espanol

CEMEX es una institucion EEO/AA (igualdad de oportunidad/accion afirmativa) y no discrimina en base al sexo, edad, raza, color, religion, discapacidad fisica o mental, credo, origen nacional, estatus veterano, orientacion sexual, informacion genetica, identidad de genero, o expresion de genero en los programas o actividades los cuales opera.

The expected base compensation for this position ranges from $34.01 to $34.66 per hour, depending on, but not limited to, market location, job-related knowledge, skill sets, experience, and education