47 Results for

Diesel Mechanic Jobs in San Diego, CA

Jobs

El Cajon, CA15 days ago

$35.80–$43 Per Hour

Plus, with benefits like Baby Bonding, My Holiday vacation time, and discounts on everything from movie tickets to cell phone bills, we're constantly evolving our resources to provide our people with tools to make their lives easier! We are working hard to challenge the typical ways of business and develop an environment where our employees feel safe, comfortable, and look forward to coming to work.

Spring Valley, CA27 days ago

$25–$50 Per Hour

All Fleet Inc is looking for Diesel Mechanics and Truck Technicians to add to our rapidly expanding team. Because of this, weâ€re seeking reliable, trustworthy, and experienced Diesel Engine technicians to help us keep up with our growth.

El Cajon, CA16 days ago

li>Diagnosis, removal and replacement of injectors, pistons, liners, cam shafts, cylinder heads, rod and main bearings, oil pans, clutches, fan hubs, differentials, fifth wheels, brakes, changes or recharges batteries, and replaces transmissions and other parts.

Handle basic maintenance of the truck including filling tank with fuel, checking oil, keeping it clean, and making sure required inspections are performed and documented as assigned.

El Cajon, California17 days ago

Handle basic maintenance of the truck including filling tank with fuel, checking oil, keeping it clean, and making sure required inspections are performed and documented as assigned.

San Diego, CA30+ days ago

Position Summary: The Mobile Heavy Equipment & Diesel Mechanic is responsible for performing advanced maintenance and repair of automotive, heavy truck, construction, and diesel powered equipment in both shop and field environments. ASE certification in diesel engines plus at least two heavy truck categories (e.g., brakes, drivetrain, suspension, electrical, HVAC, preventive maintenance) .

San Diego, CA30+ days ago

li>Provide maintenance and repair on ground support equipment such as, but not limited to, off-road utility vehicles, golf carts, lawn mowers, pressure washers, tree and brush trimming equipment, generators, compressors, hydraulic attachments and other small portable engine powered tools used to support grounds maintenance work.

Have the capacity and technical skills needed to make all levels of repair to suspension, steering, electrical, instrumentation, computer controls, driver controls, brakes, fuel delivery, carburetion and fuel injection, exhaust, and power train systems.

San Diego, CA30+ days ago

The Mechanic will work closely with drivers and other fleet employees to understand vehicle problems, provide repair estimates, and communicate maintenance needs. The Mechanic is responsible for performing maintenance, repairs, and diagnostic assessments on semi-trucks and heavy-duty vehicles.

San Diego, CA30+ days ago

em> Develop and maintain positive relationships with customers to increase overall customer satisfaction Why Rush Truck Centers is for You: Competitive starting salary Shift Premiums-In dealerships with multiple shifts Career stability Opportunity for growth Continued training on a variety of OEM equipment Advanced vehicle maintenance technology Performance Evaluation: From 120days to Every 6 month Basic Qualifications: High school diploma or general education degree (GED) 5 years' experience as a Class 7 & 8 technician in a dealership or related truck service facility Must possess a current and valid driver license with a driving record that meets the insurability guidelines set forth by the company's insurance carrier. With more than 200 locations and nearly 8,000 dedicated employees, Rush Enterprises operates Rush Truck Centers-the largest network of commercial vehicle dealerships in North America-committed to delivering exceptional customer service, personalized support, and comprehensive solutions tailored to every fleet's needs.

San Diego, CA30+ days ago

Have a minimum of six (6) years' experience as an Original Equipment Manufacturer (OEM) mechanic at truck tractor dealership, commercial fleet service shop, intermediate or depot level military maintenance facility or have E7 - E8 level military experience with diesel engines over 400 hp or Civil Engineering Support Equipment.

San Diego, CA28 days ago

Upon placement in one of our business units nationwide, you will receive direct supervision from a Fleet Maintenance Supervisor or Manager and through completion of the Republic Preventative Maintenance Program and other on-the-job work completed during the apprenticeship, the apprentice receives hands-on experience that supports what they are learning in school. Successful graduates of the training program will continue with an additional twenty-two (22) months of on-the-job training (OJT) that includes mentorship and virtual instructor led technical content while working towards Apprentice certification as a Republic Services entry level Diesel Mechanic.

Ramona, CA30+ days ago

$28.18–$35.97 Per Hour

p>Share on X Print Application Deadline: 352026 300 PM Pacific Date Posted: 2192026 Contact: Breanna Jordison Number of Openings: 1 Salary: Pay dependent on experience Addl Salary Info: $28.18 - $35.97 hourly 6 steps Length of Work Year: 12 month 8 hours per day Employment Type: Full Time.

If you have taken the exam for Diesel Technician with a passing score of 70 within the last two years, Human Resources will verify your testing score and you will not need to take the District exam for this position.

San Diego, California8 days ago

$28–$35 Per Hour

Technicians must be able to perform essential job functions that include frequent movement such as standing, walking, climbing, bending, and sitting for extended periods, as well as lifting heavy objects and accessing tight or confined spaces. This role involves working in a mobile, outside and/or shop environment with exposure to dust, diesel fumes, noise, and mechanical materials such as oils and greases.

San Diego, CA30+ days ago

$100,000–$115,000

The selected candidate will work independently from fully equipped service vehicle including a smart phone, computer diagnostic equipment, air compressor, air welder/generator, A/C recovery machine, lifting and supporting devices, safety equipment and all supplies and parts necessary to complete assigned work. Perform inspections, troubleshooting, diagnosis, repair and maintenance for light, medium and heavy duty trucks, trailers and equipment including all major vehicle systems: engine, drivetrain, brakes, suspension, steering, electrical, and computer diagnostics.

San Diego, CA30+ days ago

Position Summary: The Senior Diesel & Heavy Equipment Mechanic serves as a master mechanic responsible for diagnosing, repairing, and overseeing complex maintenance actions across NSW diesel, heavy equipment, and tactical vehicle fleets. ASE Master Mechanic certification in Medium Heavy Trucks or Military Tactical Wheeled Vehicles (May be waived with 5 years as a depot level shop lead mechanic or supervisor) .

SAN DIEGO, CA24 days ago

$25–$25.75 Per Hour

The ideal candidate will have 1-2 years of Mechanic skills - experience turning wrenches Strong knowledge of hand tools and power tools Aviation Mechanics Auto Mechanics Diesel Technicians or anyone with strong experience working on engines is ideal Must be able to pass a 7-year criminal background check and drug test as well as E-Verify.

Move Forward with VoltVolt is immediately hiring multiple 1st and 2nd shiftMechanicsin San Diego CA.As aMechanicyou will Tear down and rebuild turbines engines from the ground up Use a variety of hand tools and power tools throughout the day Install and de-install components and parts using wrenches and other hand toolsThis is a full-time temp to hire opportunity.

Imperial Beach, CA30+ days ago

$26.07–$27.07 Per Hour

p>Minimum Qualifications: High school diploma or equivalent A minimum of 3 years general experience in their respective trade Knowledge of proper use of diagnostic equipment Possess basic computer skills with working knowledge of Microsoft Outlook, Word and Excel Possess organizational skills Possess effective oral and written communication Possess moderate understanding of technical requirements Ability to work in a team environment and be flexible Ability to travel overseas when required Possess or ability to obtain and maintain a secret clearance Ability to obtain a US Passport. • Provides technical support relative to the operation, troubleshooting, maintenance and repair of marine mechanical systems, subsystems and components including but not limited to: • Cummins Diesel Engines • Hamilton Waterjet Model HJ292 • Hamilton Waterjet Model HM651 • Twin Disc Marine Gear Transmission • Westerbeke 33KW EDE D-NET Generator.

Chula Vista, CA30+ days ago

About Transdev: Cities, counties, airports, companies, and universities across the U.S. contract with Transdev to operate their transportation systems, maintain their vehicle and fleets, and deliver on mobility solutions. Cities, counties, airports, companies, and universities across the U.S. contract with Transdev to operate their transportation systems, maintain their vehicle and fleets, and deliver on mobility solutions.

Chula Vista, CA14 days ago

p>About Transdev: Cities, counties, airports, companies, and universities across the U.S. contract with Transdev to operate their transportation systems, maintain their vehicle and fleets, and deliver on mobility solutions. Transdev - the mobility company - empowers the freedom to move every day thanks to safe, reliable, and innovative solutions that serve the common good.

CA30+ days ago

p>Performs the most technical and complex duties involved in the maintenance and repair of diesel engines and gasoline and diesel driven material handling and construction equipment such as 50 Ton hydraulic cranes, container handlers, 10k forklifts, tractors, power shovels, road machinery, air compressors, concrete mixers and other engine driven or towed construction equipment. For over 35 years we have planned, coordinated, and executed the maintenance and logistic services for ground combat vehicles and support equipment for USMC Expeditionary Forces.

San Diego, CA30+ days ago

n+ Assist A-Level and B-Level Mechanics in advanced diagnostic and repair tasks, contributing to efficient workflow.\n \n+ Execute routine maintenance tasks to prevent breakdowns and optimize diesel engine performance.\n \n+ Lead diagnostic tests to accurately identify complex issues and determine comprehensive repair strategies for engines.\n \n+ Perform advanced troubleshooting and repair tasks on engines, including overhauling and rebuilding components to required specifications.\n \n+ Other duties as required.\n \n+ The employee is generally subjected to long periods spent sitting, typing, or looking at a computer screen.\n \n+ Work environment will be a combination of both indoors and outdoors.\n \nJob Category: Maintenance / Mechanics / Parts / Utility / Materials\n \nJob Type: Full Time\n \nReq ID: 7652\n \nPay Group: 2V9\n \nCost Center: 55826\n \nThe above statements are intended to describe the general nature and level of work being performed by people assigned to this classification.

San Diego, CA30+ days ago

em> Diagnosis, removal and replacement of injectors, pistons, liners, cam shafts, cylinder heads, rod and main bearings, oil pans, clutches, fan hubs, differentials, fifth wheels, brakes, changes or recharges batteries, and replaces transmissions and other parts. Maintain and inventory the supplied tools for the work required in maintaining diesel engine trucks and associated equipment Read job order and observes and listens to vehicle in operation to determine malfunction and to plan work procedures.

San Diego, CA30+ days ago
li>Provide maintenance and repair on ground support equipment such as, but not limited to, off-road utility vehicles, golf carts, lawn mowers, pressure washers, tree and brush trimming equipment, generators, compressors, hydraulic attachments and other small portable engine powered tools used to support grounds maintenance work.
Possess an Automotive Service Excellence (ASE) certification in diesel engines and at least one (1) other Heavy Truck or Military Tactical Vehicle Wheeled Vehicle categories such as Drive Train; Brakes; Suspension & Steering; Electrical; Heating & A/C and Preventative Maintenance.

San Diego, California15 days ago
p style="text-align:center"> Hawthorne Cat is a family-owned company that has led its markets for over 60 years in the sale, rental, and servicing of construction machinery and power generation equipment for industries on which our communities depend like agriculture, construction, marine, and government.
With minimal supervision; the Rental Technician will perform duties as assigned by management in the repair, maintenance and/or rebuilding of equipment in the service shop or field, in a safe, efficient and capable manner in the least amount of labor hours necessary, and without rework.

San Diego, CA30+ days ago
This role blends curriculum development, hands-on maintenance training, and field-based technical support to ensure mission readiness across internal teams, contracted customers, and DoD partners.
Saronic is seeking a Diesel Technician Instructor to design, develop, and deliver advanced technical training programs focused on diesel propulsion systems supporting our autonomous surface vessels (ASVs).

Lakeside, Florida15 days ago
div>
POSITION SUMMARY: With minimal supervision the Machinery Service Tech 1 (Rentals) will perform duties as assigned by management in the repair, maintenance and/or rebuilding of equipment in the service shop or field, in a safe, efficient and capable manner in the least amount of labor hours necessary, and without rework.
Hawthorne Cat is a family-owned company that has led its markets for over 60 years in the sale, rental, and servicing of construction machinery and power generation equipment for industries on which our communities depend like agriculture, construction, marine, and government.

San Diego, CA30+ days ago

San Diego, CA30+ days ago
The ideal candidate is skilled in communicating with customers, able to explain vehicle issues clearly and concisely and provide valuable advice. Automotive Service Excellence/ASE certification or Society of Automotive Engineers/SAE certification is preferred.

San Diego, California30+ days ago

div>

Saronic CCPA Notice for Candidates and California Employees. green card holders), and (3) certain protected classes of asylees and refugees, as defined in 8 U.S.C. 1324b(a)(3)..

San Diego, CA30+ days ago

$35–$48 Per Hour

p>'',''Operations'',''Operations'',''California-San Diego'',''California-San Diego'','''','''',''GM - SO CAL'',''GM - SO CAL'',''Full-time'',''Full-time'',''Apr 1, 2026, 10:32:19 AM'',''Apr 1, 2026, 10:32:19 AM'','''','''',''false'','''','''','''','''',''false'',''607070'',''607070'',''true'',''607070'',''false'',''Submission for the position: Diesel Technician - (Job Number: 260000VB)'',''false'',''607070'',''false'',''false''.

Vulcan Materials Company is the nation's largest producer of construction aggregates and a major producer of aggregates-based construction materials including asphalt and ready-mixed concrete.

New!

San Diego, California3 days ago

$18–$21 Per Hour

New!

San Diego, CA2 days ago

$18–$21 Per Hour

https://www.ameritfleetsolutions.com/careers/easy-apply.

San Diego, California30+ days ago

green card holders), and (3) certain protected classes of asylees and refugees, as defined in 8 U.S.C. 1324b(a)(3).. Perform routine maintenance tasks including oil changes, filter replacements, fluid checks, and preventive maintenance schedules to ensure proper equipment function and longevity.

San Diego, CA7 days ago

$60,000–$75,000

This opportunity is part of the Isuzu Veterans Apprenticeship Program (IVAP), a U.S. Department of Labor and GI Bill®-approved Registered Apprenticeship program designed to help qualified Veterans transition into the commercial truck industry. • Access to tools, equipment, vehicles, and training needed to complete apprenticeship and certification requirements, as provided through the participating dealership and IVAP program structure.

El Cajon, California30+ days ago

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Our culture is rooted in a shared vision — to help keep the world’s most precious resource safe — and in the core values that guide us in pursuing this vision and delivering on our mission to clients.

. Success in this role requires a detail-oriented individual with strong technical skills, the ability to work independently or as a part of a team, and the ability to provide guidance and support to the mechanic team.

Primary Responsibilities.

San Marcos, CA10 days ago

p>Naumann Hobbs Material Handling has been a trusted leader in material handling solutions and mobile repair services across the Southwest for decades.

At Naumann Hobbs Material Handling, we're innovators and problem-solvers delivering top-tier mobile repair solutions across the Southwest.

San Diego, California8 days ago

$36–$37.05 Per Hour

Technicians must be able to perform essential job functions that include frequent movement such as standing, walking, climbing, bending, and sitting for extended periods, as well as lifting heavy objects and accessing tight or confined spaces. #Mechanic #Hiring #AutomotiveMechanic #NowHiring #AutomotiveTechnicianCareer #MechanicJobs #DieselTechnician #Diesel #HeavyDutyDiesel #NewSanDiegoJob #Natashaishiring #CAllNatasha #Ventura.

El Cajon, California30+ days ago

Be YOU at Sunstate. No matter which location you visit, you can’t help but feel the close-knit work-family environment.

We have strategically and organically grown our company from within, promoting from the ground up and providing employees with opportunities to explore their different passions within our own walls.

San Diego, California30+ days ago

Be YOU at Sunstate. No matter which location you visit, you can’t help but feel the close-knit work-family environment.

We have strategically and organically grown our company from within, promoting from the ground up and providing employees with opportunities to explore their different passions within our own walls.

San Diego, CA30+ days ago

$35.50–$41.15 Per Hour
Part-time

Plus, with benefits like Baby Bonding, My Holiday vacation time, and discounts on everything from movie tickets to cell phone bills, we’re constantly evolving our resources to provide our people with tools to make their lives easier! We are working hard to challenge the typical ways of business and develop an environment where our employees feel safe, comfortable, and look forward to coming to work.

Chula Vista, California30+ days ago

$34–$50 Per Hour

p style="margin:0px">As part of the Kaizen Automotive Group, Chula Vista Ford is proud to be able to empower our associates with a supportive workplace and access to the benefits they need along their professional journey to feel happy, healthy and valued.

Key Words: Service Tech, Diesel, Mechanic, Master, A-Tech, Dodge, Chrysler, Chevy, Chevrolet, CDJR, Mercedes, JLR, Transmission, Suspension, Foreman.

New!
San Diego, CA3 days ago
p>Essential Responsibilities:
Troubleshooting malfunctions of GSE using conventional and digital multi-meters, voltmeters, ohmmeters, frequency counters, oscilloscopes, circuit card testers, transistor testers, and hand tools, prepares GSE for storage and transportation, uses automated maintenance data systems to maintain equipment records, and document maintenance actions, maintains external fuel and grounding systems.
Performs scheduled and unscheduled maintenance on GSE, inspects, tests, and operates GSE to determine equipment serviceability and proper operation, services equipment with fuel, oil, water, coolant, hydraulic fluid, refrigerant, other relevant hazardous materials and compressed air, disassembles and assembles malfunctioning GSE accessories and components.

New!
San Diego, California4 days ago
Troubleshooting malfunctions of GSE using conventional and digital multi-meters, voltmeters, ohmmeters, frequency counters, oscilloscopes, circuit card testers, transistor testers, and hand tools, prepares GSE for storage and transportation, uses automated maintenance data systems to maintain equipment records, and document maintenance actions, maintains external fuel and grounding systems. Performs scheduled and unscheduled maintenance on GSE, inspects, tests, and operates GSE to determine equipment serviceability and proper operation, services equipment with fuel, oil, water, coolant, hydraulic fluid, refrigerant, other relevant hazardous materials and compressed air, disassembles and assembles malfunctioning GSE accessories and components.

Lakeside, CA30+ days ago
$33–$46 Per Hour
Part-time
This region is home to some of the fastest-growing construction markets in the U.S. Join RDO in Lakeside, where you'll work to help customers in this area do the important work of building our nation. Put your equipment mechanic skills to work as a Service Technician at RDO Equipment Co. When you do, you’ll get development opportunities and training as you make your mark on our growing company.

San Diego, CA30+ days ago
n \n\n Six (6) years of experience as a Navy Engineman/Navy Construction Mechanic/Navy Electrician's Mate OR equivalent civilian experience\n \n\n Experience as a Navy Engineman/Navy Construction Mechanic/Navy Electrician's Mate OR equivalent civilian experience\n \n\n Ability to perform classroom instruction, underway laboratory training, preventative and corrective maintenance of Navy craft and support equipment\n \n\n Qualified as a Navy Second Class Swimmer or equivalent\n \n\n Availability to work alternate schedules as required by training needs\n \n\n Willingness to work occasional overtime\n \n\n Ability to work in both indoor and outdoor environments and conditions\n \n\n Ability to perform limited travel, as needed\n \n\n \nPreferred Qualifications:\n\n Prior experience as a Navy Engineman, Electrician or Electronics Technician with Improved Navy Lighterage System (INLS), Maritime Prepositioning Force Utility Boat (MPFUB), Lighter Amphibious Resupply Cargo (LARC), Combat Rubber Raiding Craft (CRRC) or Amphibious Bulk Liquid Transfer System (ABLTS).\n \n\n Familiarity with CAT C18 & C4.4, Positions governed by a Collective Bargaining Agreement (CBA), the McNamara-O'Hara Service Contract Act (SCA), or other employment contracts may include different provisions/benefits.\n \nOriginal Posting:\n \n03/18/2026 - Until Filled\n \nAmentum anticipates this job requisition will remain open for at least three days, with a closing date no earlier than three days after the original posting.

San Diego, CA22 days ago
$73,902.40–$89,856 Per Year
ol>
Two (2) years of experience as a Fleet Technician in the County of San Diego; OR,
High School diploma, GED, or certificate from a Vocational School in automotive technology or truck technology; AND four (4) years of experience servicing vehicles and equipment in a commercial, industrial, or governmental agency; OR,
Five (5) years of experience as a Medium/Heavy Truck Technician. We strive to provide veterans with the resources and tools necessary to maximize their employment opportunities, and to assist veterans with their transition into civilian life by applying the valuable skills, knowledge and training acquired in service to positions and career paths at all levels within our large organization.

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Diesel Mechanic Jobs in San Diego, CA

Technician III - Shop Sunstate Equipment

Mobile Diesel Mechanic / Truck Technician ALL FLEET INC

Mobile Diesel Mechanic Technician- HOURLY RATE Rush Enterprises Inc

2nd shift Mobile Diesel Mechanic Technician- HOURLY RATE Rush Enterprises

Mobile Heavy Equipment & Diesel Mechanic Seventh Dimension

Mobile Heavy Equipment and Diesel Mechanic Ascendancy Group

SAN Diesel Mechanic MAT Express

Diesel Service Mechanic Rush Enterprises Inc

Senior Diesel and Heavy Equipment Mechanic Ascendancy Group

Diesel Technician Apprentice-Paid Training Republic Services Inc

Diesel Technician Ramona Unified School District

Fleet Technician/Mechanic Amerit Fleet Solutions

Mobile Diesel Technician - Journeyman Managed Mobile

Senior Diesel & Heavy Equipment Mechanics Seventh Dimension

Mechanic - 1st and 2nd Shift Volt Information Sciences Inc

Marine Mechanic Technician I Epsilon Systems Solutions Inc

Mechanic B Transdev North America Inc

Mechanic C Transdev North America Inc

MCPP - Engineer Equipment Mechanic KBR Inc

C Level Mechanic Transdev North America Inc

Mobile Service Mechanic Rush Enterprises Inc

Expeditionary Tactical and Heavy Equipment Mechanic Ascendancy Group

Machinery Service Tech/Mechanic 2 - Field Hawthorne Machinery Co.

Diesel Technician, Instructor Saronic Technologies Inc

Machinery Service Technician/Mechanic 1 - (Lakeside) Hawthorne Machinery Co.

Expeditionary Tactical & Heavy Equipment Mechanic Seventh Dimension

Bus Mechanic wanted for commercial fleet San Diego Charter Inc

Diesel Technician, Instructor Saronic Technologies

Diesel Technician Vulcan Materials Co

Garage Support - Entry Level Mechanic Amerit Fleet Solutions

Garage Support Entry Level Mechanic Amerit Fleet Solutions Inc

Diesel Technician Saronic Technologies

Diesel Technician (Military Veterans) Isuzu Veterans Apprenticeship Program (IVAP)

Equipment Mechanic Dn

Primary Responsibilities.

Mobile Diesel Fleet Technician Naumann Hobbs MHC

Technician B Amerit Fleet Solutions

Technician III - Shop Sunstate

Be YOU at Sunstate. No matter which location you visit, you can’t help but feel the close-knit work-family environment.

Technician III Sunstate

Be YOU at Sunstate. No matter which location you visit, you can’t help but feel the close-knit work-family environment.

Technician III Sunstate Equipment Co., LLC

Heavy Line Automotive Technician - Domestic/ Ford EXP A+ Kaizen Automotive Group

Ground Support Equipment Worker Amentum Services Inc

Ground Support Equipment Worker Amentum

Service Technician RDO Equipment Co.

Small Boat Engineering Technician Instructor Amentum Services Inc

Master Fleet Technician-26610503 County Of San Diego

GSE Worker Amentum Services Inc

GSE Worker Amentum

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