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

Burrtec

Heavy Duty Diesel Truck Maintenance

Rialto, CA · On-site

$29.20 - $30/hr

Truck Maintenance I Heavy Duty Diesel Truck Maintenance SALARY RANGE: $29.20 - $32.20/hour ... Check and repair all lights and truck fluids as schedule. * Assist others and occasionally perform ...

New

Eldorado CA

Aftermarket Technical Engineer

Riverside, CA · On-site

$95K - $120K/yr

... diesel-electric hybrid, CNG, and clean diesel. ENC is committed to revitalizing American ... the field team * Assist with diagnosis and engineering evaluation of mechanical, electrical ...

Tilly's Marine

Be Seen First

Marine Technician

Norco, CA · On-site

$3.0K - $10K/mo

Perform or assist in water testing and quality control inspections as needed * Document repairs and ... Marine mechanic experience * Automotive, diesel, powersports, RV, or heavy equipment experience

Eldorado CA

Assembler I (Temp to Hire)

Riverside, CA · On-site

$21 - $25/hr

... diesel-electric hybrid, CNG, and clean diesel. ENC is committed to revitalizing American ... Perform basic mechanical assembly tasks such as fastening components, installing brackets, and ...

Quinn Company CAT

Rental Coordinator

Foothill Ranch, CA · On-site

$20 - $23/hr

... diesel and natural gas engines. As a Caterpillar dealer, Quinn combines local agility with global ... Answer calls, quote rates, and assist customers with equipment selection based on jobsite needs.

Martin Marietta Materials

Equipment Operator

Corona, CA · On-site

$19.50 - $26.75/hr

... diesel, and coolant levels. * Use mechanical aptitude to diagnose equipment malfunctions and perform minor repairs; promptly report significant mechanical failures to the maintenance shop. * Assist ...

Martin Marietta

Equipment Operator II

Corona, CA · On-site

$30 - $40/hr

... diesel, and coolant levels. * Use mechanical aptitude to diagnose equipment malfunctions and perform minor repairs; promptly report significant mechanical failures to the maintenance shop. * Assist ...

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Assistant Diesel Mechanic information

See Riverside, CA salary details

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$29

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:
What are popular job titles related to Assistant Diesel Mechanic jobs in Riverside, CA? For Assistant Diesel Mechanic jobs in Riverside, CA, the most frequently searched job titles are:
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

Forklift Maintenance Mechanic

Samuel, Son & Co (USA), Inc.

Riverside, CA • On-site

$3/hr

Full-time

Medical, Dental, Retirement, PTO

Posted 4 days ago

Samuel, Son & Co. rating

8.2

Company rating: 8.2 out of 10

Based on 42 frontline employees who took The Breakroom Quiz

88th of 538 rated manufacturers

Job description


Monday - Saturday
7:00am - 4:30pm + overtime
Here are some of the great benefits that we offer:
  • Competitive pay (+$3.00 Foundry Premium)
  • Company paid health and dental benefits
  • Paid vacation
  • 401K Plan with company match
  • Opportunity for career stability and growth
  • Tuition reimbursement program

Position Summary
Forklift maintenance mechanic, job is to coordinate regular service for lifting devices with outside forklift repair companies (Forklifts, Scissor lifts, boom lifts, wheel loaders), and perform necessary repairs on forklift trucks with sense of urgency. This role includes supporting forklift maintenance and repairs across both company locations (Riverside and Fontana), ensuring consistent equipment reliability and safety standards. Duties involve corrective and preventive maintenance on hydraulic systems, electrical systems, and structural components. Forklift maintenance mechanics typically develop and follow a scheduled maintenance plan for all machines, troubleshoot complex issues as they occur, maintain an inventory of spare parts, and generally work to ensure forklift are in good safety and operational conditions. The job function could include overtime or weekends as necessary. Aside from direct urgent repair work, you may be responsible for maintaining a battery charging area, driving company truck around to pick up supplies, and recording work-orders and maintenance logs to track the history of each forklift.
Responsibilities
  • Coordinate forklift corrective and preventive maintenance with service suppliers.
  • Perform emergency repairs and improvements on forklifts as needed.
  • Interpret manufacturer's technical manuals to perform the necessary maintenance and repairs needed.
  • Provide maintenance and repair support for forklifts and lifting equipment at both company locations (Riverside and Fontana), ensuring operational consistency and minimal downtime.
  • Troubleshoot forklift problems to include brake, electrical and hydraulic systems, detect imperfections, potential problems, safety issues and/or malfunctions.
  • Good working knowledge of brake systems.
  • Ability to work on LP, gas, diesel and electrical systems.
  • Coordinate broken or defective components and keep proper inventory levels of the most critical parts.
  • Perform safety inspection of forklifts prior to being released back to the work floor.
  • Ensure work area and methods used in carrying out job duties meet safety requirements.
  • Maintain a clean and organized workstation.
  • Competent to complete legible service documents, available forklifts list and current condition reports, logs for preventative maintenance tasks.
  • Assist and conducting Root Cause Analysis to help to prevent future failures.
  • Excellent communication and management skills are needed to make sure you can handle multiple tasks simultaneously.
  • Developing good relationships with various parties is crucial to facility management; you should be able to build and maintain these relationships long-term.
  • Good time management skills are required to make sure all maintenance processes are managed on time.
  • Have positive attitude self-motivated, great attention to details, and be goal oriented.
  • Exceptional analytical skills are needed to process different information and make informed decisions on things, such as equipment needs and budget concerns, among other things
  • Ability to manage and supervise complex, multi-discipline projects simultaneously as needed.
  • Knowledge of various reliability measures and techniques is recommended.
  • Problem-solving skills are crucial, along with excellent decision-making skills.
  • Ability to face the physical strain of walking, while maintaining and managing all maintenance activities as required.
  • Strong positive attitude to provide high quality service.
  • Sense of urgency to help quick repairs and solutions.

Qualifications
  • Maintenance Mechanical Forklift skills.
  • At least five to ten years of experience in lifting devices preventive maintenance and repairs.
  • Valid driver's license with a successful Motor Vehicle Record (MVR) check required, demonstrating safe driving history and compliance with company standards.

WORKING CONDITIONS
  • This position works in a manufacturing environment.
  • Able to perform all assigned duties under different weather conditions.
  • Work is performed in a manufacturing environment in all weather conditions.
  • Lift up to 25 lbs. regularly, up to 50 lbs. frequently and up to 75 lbs. occasionally
  • Bend, twist, climb, squat, kneel throughout shift Able to work in extreme heat or cold conditions.
  • Ability to function successfully in a fast-paced, changing work environment.
  • Must be able to handle both large pieces and small pieces of parts and components.
  • Use hands for simple and power grasping as well as push/pull and fine manipulation.
  • Work at and/or below shoulder level
  • See fine detail in printed product along with checking for color accuracy

The pay for this position is $35.66. If you are hired, your base salary will be determined based on factors such as geographic locations, skills, education, and/or experience. In addition to those factors, we believe in the importance of pay equity and consider internal equity of our current team members as part of any final offer.
About Us
At Samuel, we believe every team member brings unique and valuable skills, experiences and knowledge to our thriving business - enabling us to build on over 170 years of success in the metals industry. We offer countless opportunities for our team members to develop and grow in their careers, empower them to make decisions on the job and be a part of driving positive change - within our organization and in the communities where we live and work. If you're seeking a dynamic, supportive and welcoming workplace to make your mark and grow your career, we have the programs, culture and opportunities to make it happen. We're stronger together.
At Samuel we believe in a culture of equality. Respect and integrity are at our core. We are committed to building and creating an environment that is open and welcoming for everyone.
This job posting is for an existing vacancy within the organization
Samuel is an Equal Opportunity Employer. In the United States, we utilize E-Verify.
About the Team
Sierra Aluminum is a vertically integrated aluminum extrusion mill providing standard, custom and OEM aluminum products that range from basic mill finished extrusions all the way to finished, fabricated shapes. With in-house value added services such as anodizing, painting, thermal improvement, fabrication and specialized packaging, we ensure consistent quality products delivered on time.

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