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Def Jobs in California (NOW HIRING)

Conexwest

Truck Mechanic

Oakland, CA · On-site

$26 - $28/hr

DEF System repair Job Type: Full-time Benefits: * Dental insurance * Flexible schedule * Health insurance * Paid time off * Vision insurance

Conexwest

Truck Mechanic

Oakland, CA · On-site

$26 - $28/hr

DEF System repair Job Type: Full-time Benefits: * Dental insurance * Flexible schedule * Health insurance * Paid time off * Vision insurance Powered by JazzHR 0uRIEIIVC9

Conexwest

Truck Mechanic

Oakland, CA · On-site

$26 - $28/hr

DEF System repair DIVERSITY & INCLUSION IS WHAT MAKES US THINK OUTSIDE THE CONEX, AND THAT'S HOW "WE BUILD IT BETTER"! EEOC/ADA/VET/LGBTQ Job Type: Full-time Benefits * Paid vacation * Paid sick ...

Les Schwab

Class A CDL Truck Driver

Anderson, CA

Accurate data entry into on-board computer (OBC) system, as required 5% - Maintain trucks/tractors in a clean and sanitary condition, including fuel and diesel exhaust fluid (DEF) 5% - Other duties ...

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Def information

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$12

$22

$31

How much do def jobs pay per hour?

As of Jul 28, 2026, the average hourly pay for def in California is $22.87, according to ZipRecruiter salary data. Most workers in this role earn between $18.99 and $25.14 per hour, depending on experience, location, and employer.

What are Defs?

Defs typically refers to 'definitions' or 'defense' depending on the context, but as a job title, it is not standard or widely recognized. If you are referring to a specific role or sector, please provide more details or check for typographical errors. Otherwise, there is no commonly accepted job called 'Def.'

What are some common challenges faced by Def professionals when managing complex projects, and how can they overcome them?

Def professionals often encounter challenges related to balancing multiple priorities, tight deadlines, and coordinating with cross-functional teams. Effective communication and strong organizational skills are essential to ensure that all stakeholders are aligned and that project milestones are met. Utilizing project management tools and regularly scheduled check-ins can help anticipate roadblocks and keep tasks on track. Building collaborative relationships within the team also helps foster a supportive environment and facilitates problem-solving when issues arise.

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

I'm sorry, but 'Def' does not appear to be a recognized real-world professional occupation. Please provide a valid job title to receive information about relevant skills, qualifications, and resources.
What job categories do people searching Def jobs in California look for? The top searched job categories for Def jobs in California are:
What cities in California are hiring for Def jobs? Cities in California with the most Def job openings:
Def jobs near you
Infographic showing various Def job openings in California as of July 2026, with employment types broken down into 1% As Needed, 88% Full Time, 6% Part Time, 3% Contract, and 2% Nights. Highlights an 96% Physical, 1% Hybrid, and 3% Remote job distribution, with an average salary of $47,569 per year, or $22.9 per hour.
Rental Power Generator Technician

Rental Power Generator Technician

Quinn Company

Whittier, CA • On-site

$47.60 - $60.71/hr

Full-time

Posted 28 days ago

Quinn Company rating

6.5

Company rating: 6.5 out of 10

Based on 19 frontline employees who took The Breakroom Quiz

133rd of 171 rated vehicle equipment hire

Job description

Overview
Rental Power Generator Technician
The Rental Power Generator Technician is responsible for the inspection, maintenance, diagnostics, and repair of rental power generators and related equipment. This role requires a high level of technical expertise in diesel engines, electrical systems, and emissions systems, with a strong preference for candidates experienced with CAT equipment and large-scale power generation units.
Wages
Starting wage will depend on experience and education. $47.60-$60.71
Responsibilities
  • Perform preventative maintenance, troubleshooting, and repairs on rental power generators and associated equipment
  • Diagnose mechanical, electrical, and after-treatment system issues on diesel-powered generators
  • Work on large power generation equipment, including industrial and mobile generator units
  • Inspect and maintain Tier 4 Final emissions systems, including DEF, DPF, SCR, and related components
  • Utilize diagnostic tools and software to identify faults and ensure accurate repairs
  • Perform load bank testing and ensure generators meet operational performance standards
  • Complete service reports, work orders, and documentation accurately and timely
  • Ensure all work is completed in compliance with safety standards and company policies
  • Communicate effectively with service managers and team members regarding equipment status and repair needs

Qualifications:
  • 3+ years of experience working on diesel engines and power generation equipment
  • Experience with Caterpillar (CAT) equipment strongly preferred
  • Strong knowledge of Tier 4 Final after-treatment systems (DEF, DPF, SCR)
  • Experience working on large generators (industrial or rental fleet preferred)
  • Proficient in diagnosing mechanical and electrical systems
  • Familiarity with CAT ET or similar diagnostic software is a plus
  • Ability to read and interpret schematics and technical manuals
  • Valid driver's license required

Preferred Skills:
  • Experience in rental equipment or power generation industry
  • Electrical troubleshooting experience (AC/DC systems, control panels)
  • Strong problem-solving skills and attention to detail
  • Ability to work independently with minimal supervision

Work Environment & Physical Requirements:
  • Ability to work in shop and field environments
  • Must be able to lift up to 50 lbs, stand for extended periods, and work in varying weather conditions
  • Ability to work overtime as needed.

Qualifications
One-year certificate or Associates degree from a community college or technical school; Minimum five plus year's of CAT dealer experience and ten year's heavy equipment industry experience or equivalent education and experience.
Quinn is an Equal Opportunity Employer M/F/V/DV
Quinn Group, Inc. provides equal employment opportunities (EEO) to all employees and applicants for employment without regard to race, color, religion, sex, age, national origin, physical or mental disability, all applicable veteran status or disabled veteran status. Quinn Group, Inc. has established an Affirmative Action Plan to promote the employment and advancement of members of those covered groups identified by statute and regulations, including minorities, women, qualified disabled individuals and all Veterans and disabled Veterans
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