Western Cascade — Sales, Service, Parts

Now Hiring

Heavy-Duty Diesel Mechanic / Truck Technician

Seattle, WA Full-Time, occasional overtime Monday–Friday, occasional Saturdays Starting at $35–$40 / hour, DOE
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Position Summary

We are seeking an experienced Heavy-Duty Diesel Mechanic who takes pride in quality workmanship, understands the importance of accurate diagnostics, and can efficiently maintain and repair medium- and heavy-duty commercial vehicles.

The mechanic is responsible for inspecting, diagnosing, troubleshooting, servicing, and repairing Class 6–8 commercial trucks and related equipment — diesel engines, electrical systems, air brakes, suspension, drivetrain, and modern diagnostic technology.

Duties & Responsibilities

Diesel Engine Diagnostics & Repair

  • Diagnose and repair fuel delivery, cooling, lubrication, and air intake systems.
  • Troubleshoot engine fault codes and electronic control systems.
  • Repair aftertreatment systems including DPF, DEF, EGR, and SCR.
  • Use manufacturer diagnostic software and electronic troubleshooting equipment.

Heavy-Duty Truck Repair & Maintenance

  • Repair air brake systems, chambers, valves, compressors, and ABS.
  • Inspect and repair steering, suspension, and drivetrain systems.
  • Repair electrical systems: batteries, starters, alternators, lighting, wiring.
  • Diagnose and repair hydraulic and PTO-driven systems; wheel-end service.

Preventive Maintenance & Inspections

  • Perform routine PM services on Class 6–8 trucks.
  • Inspect vehicles for defects, leaks, and safety hazards.
  • Make maintenance recommendations based on vehicle condition.

Repair Orders & Documentation

  • Maintain accurate records of labor, parts, diagnostics, and repairs.
  • Write clear concern / cause / correction repair narratives.
  • Follow shop safety procedures and operate lifts, jacks, and hoists properly.

Application for Employment

Position: Heavy-Duty Diesel Mechanic / Truck Technician

1Personal Information

2Eligibility

Are you at least 18 years of age?Are you at least 18 years of age? *
Are you legally authorized to work in the United States?Are you legally authorized to work in the United States? *
Will you now or in the future require visa sponsorship?Will you now or in the future require visa sponsorship? *
Do you have a valid driver's license?Do you have a valid driver's license? *
Can you perform the essential functions of this job, with or without reasonable accommodation?Can you perform the essential functions of this job, with or without reasonable accommodation? *
Have you ever worked for Western Cascade before?Have you ever worked for Western Cascade before? *

3Availability

Are you available for the schedule: Monday–Friday, occasional Saturdays?Are you available for the schedule: Monday–Friday, occasional Saturdays? *
Are you willing to work overtime when needed?Are you willing to work overtime when needed? *

4Experience & Skills

Skills, certifications & experience (check all that apply)
Do you own your own hand tools?Do you own your own hand tools? *

5Employment History

Start with your most recent employer. Include military service if applicable.

Employer 1

May we contact this employer?May we contact this employer?

6Education & Training

7References

Professional references, not related to you.

8Additional Information

9Applicant Certification

I certify that the information provided in this application is true and complete to the best of my knowledge. I understand that false or misleading information may result in disqualification or dismissal. I authorize Western Cascade Truck Inc. to verify the information provided, including contacting previous employers. Western Cascade is an Equal Opportunity Employer.