Class 8 Diesel Mechanic

West Coast Trans Alliance LLC; Long Beach (CA); On-site; USD 57,000 - 64,000; Full time

Job summary

West Coast Trans Alliance LLC in Long Beach, CA is seeking a Diesel Mechanic to diagnose, maintain, and repair Class-8 tractors, container chassis, and port equipment. You will work independently, manage repair priorities, and ensure DOT and port compliance.

Responsibilities include diagnostics, preventive maintenance, welding, and repairing a range of systems (mechanical, electrical, emissions). This is a 1099 contractor position with weekly pay of $1,250–$1,400 depending on experience.

Qualifications

• Minimum 3 years of Diesel Mechanic experience on Class-8 trucks.
• Hands-on with Freightliner and International tractors.
• Experience with Detroit Diesel and Cummins engines.
• Proficient in repairing container chassis and related systems.
• Welding experience (MIG) for light to moderate fabrication.
• Knowledge of DOT, BIT, and CARB compliance standards.
• Ability to work with minimal supervision.

Responsibilities

• Perform diagnostics and repairs on Class-8 diesel trucks, including mechanical, electrical, air, suspension, and emissions systems
• Conduct preventative maintenance, BIT inspections, and general services in accordance with company and DOT standards
• Inspect, repair, and maintain container chassis, including brakes, electrical systems, suspensions, air systems, landing gear, and structural components.
• Perform welding and light fabrication on chassis and tractor components (MIG preferred)
• Troubleshoot and repair engine fault codes, DEF/DPF/SCR systems, fuel systems, and after-treatment systems
• Perform repairs on brakes, axles, hubs, tires, clutches, transmissions, and driveline components
• Use diagnostic software and scan tools to identify and resolve technical issues
• Maintain accurate service documentation, inspection forms, and repair records
• Track, manage, and maintain inventory of shop supplies, parts, and consumables
• Ensure all equipment meets DOT, FMCSA, CARB, and port compliance requirements
• Communicate repair status, downtime expectations, and parts needs to management
• Maintain cleanliness and organization of the shop and work areas
• Support fleet inspections, yard safety checks, and equipment readiness for daily dispatch operations

Skills

Diesel engines

Diagnostic tools

Minimal supervision

Tools

Freightliner

International

Detroit Diesel

Cummins

Job description

Position Summary

The Diesel Mechanic will be responsible for performing diagnostics, preventative maintenance, and repairs on Class-8 tractors, container chassis, and port/intermodal equipment. This role requires strong technical knowledge, the ability to work independently, and a high level of accountability in maintaining equipment reliability and operational readiness.

Responsibilities

• Perform diagnostics and repairs on Class-8 diesel trucks, including mechanical, electrical, air, suspension, and emissions systems
• Conduct preventative maintenance, BIT inspections, and general services in accordance with company and DOT standards
• Inspect, repair, and maintain container chassis, including brakes, electrical systems, suspensions, air systems, landing gear, and structural components.
• Perform welding and light fabrication on chassis and tractor components (MIG preferred)
• Troubleshoot and repair engine fault codes, DEF/DPF/SCR systems, fuel systems, and after-treatment systems
• Perform repairs on brakes, axles, hubs, tires, clutches, transmissions, and driveline components
• Use diagnostic software and scan tools to identify and resolve technical issues
• Maintain accurate service documentation, inspection forms, and repair records
• Track, manage, and maintain inventory of shop supplies, parts, and consumables
• Ensure all equipment meets DOT, FMCSA, CARB, and port compliance requirements
• Communicate repair status, downtime expectations, and parts needs to management
• Maintain cleanliness and organization of the shop and work areas
• Support fleet inspections, yard safety checks, and equipment readiness for daily dispatch operations

Required Skills & Experience

• Minimum 3 years of experience as a Diesel Mechanic on Class-8 trucks
• Hands-on experience working with Freightliner and International tractors
• Strong familiarity with Detroit Diesel and Cummins engines
• Proficiency in repairing and maintaining container chassis
• Welding experience (MIG; ability to perform light to moderate fabrication work)
• Strong understanding of diesel emissions systems (DEF, DPF, SCR, EGR)
• Ability to use diagnostic tools and software
• Knowledge of DOT, BIT, and CARB compliance standards
• Ability to work with minimal supervision and manage repair priorities
• Experience in port drayage equipment or intermodal fleet maintenance preferred but not required
• Must be able to lift, bend, crouch, and work in an active shop environment

Compensation

*This is a 1099 Contractor role*

• $1,250 - $1,400 weekly, depending on experience and technical skill

Schedule

• Monday through Friday
• Occasional Saturdays as needed
• Start time flexible based on skills and operational needs