Rolling Stock Diesel Technician -- Plant Fleet Maintenance

Job Description

Job Description

Build and Maintain the Machines That Build Infrastructure

Start at $34/hour while keeping our plant fleet, rolling stock, and heavy equipment running at peak performance.

A Day in the Life

You open the shop, check work orders, and prioritize preventive maintenance across gas and diesel vehicles—from light trucks to heavy equipment. You change oil and filters, grease components, and swap out wear parts on schedule. When a unit flags a fault, you pull the schematic, consult the service manual and parts list, and dive into diagnostics—mechanical, electrical, and diesel engine systems alike, including emissions and regeneration systems.

Mid-shift, you operate the fuel/lube truck to service equipment on site. Back in the shop, you replace lube fittings and tires using air and hand tools, complete minor repairs, and weld or fabricate components essential to production. Throughout, you work safely, keep your area clean, and take the initiative to get things done—right down to topping off battery, power steering, and washer fluids and replacing all caps.

About Thompson Pipe Group

We’re a privately held, family-run team of engineers, contractors, and manufacturers based in Rialto, California. From modest origins, we’ve grown into North America’s most diverse provider of drainage, sanitary, pressure, and trenchless pipe with manufacturing sites nationwide. Learn more at

What You’ll Handle

• Hands-on service in a fleet repair environment for gas- and diesel-powered vehicles, trucks, and heavy equipment
• Scheduled PM: oil changes, greasing, filter and component replacements, fluid flushes
• Minor repairs and designated part replacements under supervision
• Tire work and lube fitting replacement using air and hand tools
• Reading schematics, service manuals, and parts lists to plan and execute repairs
• Operating a fuel/lube truck to service equipment in the field
• Adhering to safety protocols; maintaining a clean, orderly workspace
• Checking and filling fluids (battery, power steering, washer) and replacing caps
• Welding and fabrication to support production equipment and structural repairs

What You Bring

• 2+ years as a Diesel Mechanic with DOT knowledge
• Proven experience in lube, oil, filter, brakes, and tires (auto, light truck, commercial, and farm)
• Ability to locate, diagnose, and repair mechanical issues on gas and diesel vehicles and equipment
• Competence troubleshooting electrical systems and regeneration systems
• Tool proficiency: standard/metric wrenches and sockets, screwdrivers, hammer, impact gun and sockets, pry bar, alignment toe hooks, air hammer, tape measure, vise grips, torque bits, wheel bearing socket set, 12-volt test light, oil filter tools
• Must supply your own tools
• Ability to lift 50 lbs easily; occasionally move up to 75 lbs
• Experience: Lube Tech 1 year (required); Truck Tire Installer 1 year (required)

Work Environment

Expect frequent exposure to fumes/airborne particles, moving mechanical parts, and vibration; noise can be loud.

Physical Demands

Occasional standing, walking, sitting, stair climbing, reaching, handling tools/controls, and talking/hearing. Occasionally lift or move products and supplies up to 75 pounds.

Schedule & Employment Type

This is a full-time position.

Benefits

• Variety of benefit plans and a company-matched 401(k)
• Life and Supplemental Life insurance
• Employee discounts
• Paid holidays
• Company events
• Training and development
• Career advancement opportunities

Location

3009 N Laurel Ave, Rialto, CA 92377

EOE/AA – M/F/Vet/Disability

Thompson Pipe Group is an Equal Opportunity Employer, and we pride ourselves on recruiting, employing, training, compensating, and promoting regardless of race, religion, color, national origin, sex, disability, age, veteran status, and other protected status as required by applicable law.

Technical Proficiencies

• Electrical Systems Diagnostics & Repair
• Diesel Engine Systems
• Engine Repair
• Heating and Air Conditioning
• Engine Performance
• Lift Truck Repair & Maintenance
• Diesel & Heavy Equipment Systems
• Hydraulic Systems & Components
• Equipment Diagnostics & Troubleshooting