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Assistant Diesel Mechanic Jobs in Riverside, CA (NOW HIRING)

Hub Group

Diesel Technician

Bloomington, CA · On-site

Perform mechanical and general appearance reconditioning of equipment for "trade-ins" and prepare ... Complete or assist with miscellaneous projects as assigned. MINIMUM QUALIFICATIONS: * 4 years ...

Hub Group, Inc

Diesel Technician

Bloomington, CA

Perform mechanical and general appearance reconditioning of equipment for "trade-ins" and prepare ... Complete or assist with miscellaneous projects as assigned. MINIMUM QUALIFICATIONS: * 4 years ...

Hub Group, Inc

Diesel Technician

Bloomington, CA · On-site

Perform mechanical and general appearance reconditioning of equipment for "trade-ins" and prepare ... Complete or assist with miscellaneous projects as assigned. MINIMUM QUALIFICATIONS: * 4 years ...

Boudreau Pipeline

Mechanic I

Corona, CA · On-site

$24 - $27/hr

Essential Job Functions · Assist with basic maintenance and repair of vehicles, small tools ... Experience: · 0-2 years of basic mechanical, automotive, diesel, or equipment repair experience ...

Cascade Drilling, LP

Mechanic

Upland, CA · On-site

General understanding of diesel engines, gas powered engines, hydraulics, electrical systems, and ... Document exceptions and forward to the Administrative Assistant to enter in the computer * Use ...

Cascade Drilling, LP

Mechanic

Upland, CA

$25 - $35/hr

General understanding of diesel engines, gas powered engines, hydraulics, electrical systems, and ... Document exceptions and forward to the Administrative Assistant to enter in the computer * Use ...

Cascade Drilling, LP

Mechanic

Upland, CA · On-site

$25 - $35/hr

General understanding of diesel engines, gas powered engines, hydraulics, electrical systems, and ... Document exceptions and forward to the Administrative Assistant to enter in the computer * Use ...

Smart Care Equipment Solutions

Fleet Mechanic

Anaheim, CA · On-site

$40 - $60/hr

Verify completed outside repairs and validate charges for accuracy and appropriateness. * Assist ... Associate's Degree in Automotive Technology, Diesel Technology, Mechanical Technology, or related ...

Smart Care Equipment Solutions

Fleet Mechanic

Anaheim, CA · On-site

$40 - $60/hr

Verify completed outside repairs and validate charges for accuracy and appropriateness. * Assist ... Associate's Degree in Automotive Technology, Diesel Technology, Mechanical Technology, or related ...

New

Samuel

Forklift Maintenance Mechanic

Riverside, CA · On-site

$3/hr

Ability to work on LP, gas, diesel and electrical systems. * Coordinate broken or defective ... * Assist and conducting Root Cause Analysis to help to prevent future failures. * Excellent ...

New

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Assistant Diesel Mechanic information

See Riverside, CA salary details

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How much do assistant diesel mechanic jobs pay per hour?

As of Aug 11, 2026, the average hourly pay for assistant diesel 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 are some typical challenges an assistant diesel mechanic may face in their daily work?

Assistant Diesel Mechanics often encounter challenges such as diagnosing complex engine problems, working with heavy and sometimes outdated equipment, and managing time effectively in a busy repair shop environment. They may also need to quickly adapt to new technologies and tools as diesel engines evolve, while ensuring all repairs meet strict safety and regulatory standards. Effective communication with lead mechanics and other team members is crucial to ensure tasks are completed efficiently and safely.

What is the difference between Assistant Diesel Mechanic vs Diesel Mechanic?

AspectAssistant Diesel MechanicDiesel Mechanic
CertificationsBasic technical training, ASE certifications often preferredAdvanced ASE certifications, extensive training required
Work EnvironmentAssists in repair shops, garages, fleet maintenancePerforms repairs, diagnostics, and maintenance independently
Job ResponsibilitiesSupports diagnostics, basic repairs, parts replacementPerforms complex repairs, troubleshooting, and diagnostics
Experience LevelEntry-level or apprentice roleExperienced, skilled technician

The main difference between an Assistant Diesel Mechanic and a Diesel Mechanic lies in experience, responsibilities, and certification levels. Assistants support more routine tasks and are often in training, while Diesel Mechanics handle complex repairs independently. Both roles are essential in fleet maintenance and repair environments, with the Assistant Diesel Mechanic serving as a stepping stone to becoming a fully qualified Diesel Mechanic.

What are the key skills and qualifications needed to thrive as an assistant diesel mechanic?

To thrive as an Assistant Diesel Mechanic, you need a solid understanding of diesel engine fundamentals, basic mechanical repair skills, and a high school diploma or technical certification in diesel technology. Familiarity with diagnostic software, hand and power tools, and maintenance record systems is typically required. Strong attention to detail, a willingness to learn, and effective teamwork are crucial soft skills for this role. These competencies ensure accurate repairs, efficient servicing, and safe operation of diesel-powered vehicles and equipment.

What is an assistant diesel mechanic?

Assistant Diesel Mechanics are entry-level professionals who support experienced diesel mechanics in maintaining, repairing, and servicing diesel engines and vehicles. Their duties often include tasks such as changing oil, replacing filters, assisting with diagnostics, and keeping the work area organized. They also help with more complex repairs under supervision, ensuring that trucks, buses, and other diesel-powered equipment operate safely and efficiently. This role is a valuable stepping stone for those looking to advance in the diesel technology field.
What are the most commonly searched types of Diesel Mechanic jobs in Riverside, CA? The most popular types of Diesel Mechanic jobs in Riverside, CA are:
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What job categories do people searching Assistant Diesel Mechanic jobs in Riverside, CA look for? The top searched job categories for Assistant Diesel Mechanic jobs in Riverside, CA are:
What cities near Riverside, CA are hiring for Assistant Diesel Mechanic jobs? Cities near Riverside, CA with the most Assistant Diesel Mechanic job openings:
Assistant Diesel Mechanic jobs near you

Shop Mechanic

Superior Electrical Mechanical & Plumbing, Inc.

Rancho Cucamonga, CA • On-site

$25 - $35/hr

Full-time

Medical, Retirement, PTO

Re-posted 10 days ago

Job description

Job Type
Full-time
Description
Superior Electrical, Mechanical & Plumbing, Inc. is a trusted commercial service provider based in the Inland Empire, serving clients throughout California for more than 20 years. We are currently seeking a Shop Mechanic to join our team. The Shop Mechanic is responsible for performing preventative maintenance, diagnostics, repairs, and inspections on a variety of gasoline- and diesel-powered vehicles and equipment. This includes, but is not limited to, stake-bed trucks, vans, pickup trucks, and construction equipment.
Schedule
  • Monday - Friday from 7 a.m. to 3:30 p.m.

Responsibilities
  • Conduct routine vehicle maintenance, including oil and filter changes, tune-ups, brake and shock replacements
  • Perform work from floor creepers, two-post lifts, jack stands or in-ground lifts
  • Inspect and diagnose engines, transmissions, and other components using diagnostic tools and equipment
  • Troubleshoot equipment and vehicle performance problems
  • Collaborate with supervisors, managers, and internal teams to provide updates on repair status and material requirements
  • Ensure a clean and safe work environment while strictly adhering to all safety protocols
  • Perform test drives of vehicles in compliance with company guidelines
  • Assist with additional duties as needed to support departmental operations

Requirements
  • Minimum of 10 years of recent, relevant experience as a shop mechanic
  • Proficient in English, with the ability to communicate effectively and prepare clear, professional reports and emails
  • Ability to stand, walk, work from floor creepers, bend, and regularly lift up to 50 pounds throughout the workday
  • Valid driver's license
  • Ability to pass a pre-employment drug test and motor vehicle record (MVR) check

About the Company
Superior Electrical, Mechanical & Plumbing, Inc. is a commercial service and construction company with over 20 years of experience delivering high-quality electrical and plumbing solutions across California and other states. Our team is committed to reliability, safety, and strong customer partnerships while supporting projects that keep businesses and facilities running efficiently.
Benefits
Superior EMP offers competitive compensation and a benefits package that includes:
  • Medical insurance
  • Employee-only 401(k) retirement contributions
  • Supplemental insurance options
  • Paid sick leave and vacation time
  • Opportunities for professional development and career growth

No agency or recruiter inquiries, please. Any unsolicited resumes submitted by third-party agencies, without a valid agreement in place, will be considered the property of SEMP, and no placement fees will be paid.
Salary Description
$25 to $35 per hour, based on experience

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