Shop Technician - Diesel Diagnostics & On-Call Expert

Jobtailor; Black River Falls (WI); On-site; USD 60,000 - 85,000; Full time

Job summary

Jobtailor is seeking an experienced shop technician IV in Wisconsin to perform mechanical repairs, preventive maintenance, and on-site diagnostics across vehicle systems. You will handle DOT inspections, service calls, and on-call duties while maintaining a clean, safe shop and mentoring junior staff.

The role requires DOT/air brake certifications and ongoing certification maintenance, with weekend/night shifts as needed.

Qualifications

• Air Brake Certification required.
• DOT Medical Card required.
• ASE certifications preferred.
• T2/T4/T5/T6/T7 certifications within one year of promotion (or equivalent).
• Section 609 HVAC certification required for HVAC service.
• Valid driver’s license and insurable driving record.
• Ability to obtain required ASE, DOT, and other certifications.
• Ability to work weekends, holidays, nights, and on-call schedules as needed.
• Able to lift up to 75 pounds; able to stand, walk, bend, and perform repetitive motions.
• Physical attendance at the primary work location is required.

Responsibilities

• Perform mechanical repairs in a timely and professional manner
• Perform preventive maintenance services, tire services, and emergency roadside service calls
• Conduct DOT inspections and ensure regulatory compliance
• Perform service calls, including night and on-call assignments
• Use J-Pro, FleetCross, and OE software to diagnose and repair vehicle systems
• Complete work orders with labor, parts, and warranty documentation
• Perform intermediate to advanced engine, emissions, drivetrain, wheel-end, air system, air brake, steering, suspension, electrical, and HVAC diagnostics and repairs
• Maintain cleanliness and organization of the shop, tools, and equipment
• Ensure tools, jacks, and service vehicles remain safe and operational
• Complete LMS training requirements and OSHA Skills Demonstrations
• Provide friendly, professional, and competent customer service
• Follow company safety policies, procedures, and OSHA requirements
• Assist with other assigned duties
• Advanced-level technicians may mentor shop personnel and serve as technical subject matter experts

Skills

Mechanical Repairs

Preventive Maintenance

Diagnostics and Repairs

Engine Diagnostics

Electrical Diagnostics

HVAC Diagnostics

Tire Services

Emergency Roadside Service

DOT Inspections

Work Order Completion

Education

Air Brake Certification

DOT Medical Card

ASE Certifications

Section 609 HVAC Certification

Tools

J-Pro

FleetCross

OE Software

Job description

Jobtailor is seeking an experienced shop technician IV in Wisconsin to perform mechanical repairs, preventive maintenance, and on-site diagnostics across vehicle systems. You will handle DOT inspections, service calls, and on-call duties while maintaining a clean, safe shop and mentoring junior staff.

The role requires DOT/air brake certifications and ongoing certification maintenance, with weekend/night shifts as needed.