Seasonal Heavy-Duty Shop Mechanic (DOT & Diesel)

C.S. Mccrossan, Inc.; Maple Grove (MN); On-site; USD 27,552 - 38,572; Full time

Benefits offered by this job

Union benefits

Job summary

C.S. Mccrossan, Inc. in Maple Grove, MN is seeking a shop mechanic for a full-time seasonal role. The position runs about 10 months per year with occasional weekend work and overtime.

You will maintain and repair heavy-duty trucks and equipment, perform DOT inspections, diagnose hydraulic and diesel systems, and document work orders. The role requires safety adherence and the ability to work in varying weather conditions.

Qualifications

• High school diploma or GED equivalent.
• General knowledge of the heavy highway construction industry.
• General knowledge of heavy equipment operation, diesel engines, and hydraulics.
• Working knowledge of the hazards and safety precautions common to heavy equipment operations.
• Reliable Transportation.

Responsibilities

• Perform maintenance, diagnostics, and repairs on heavy‑duty trucks, semi‑trailers, pickups, skid loaders and other construction support equipment.
• Conduct thorough DOT inspections on trucks and trailers to ensure all equipment meets federal, state, and company compliance standards.
• Troubleshoot, repair, and replace hydraulic systems, including pumps, hoses, valves, cylinders, and fittings.
• Diagnose, repair, and maintain diesel emission systems including DPF, DEF, SCR, EGR valves, sensors, and after‑treatment components.
• Perform electrical diagnostics using scanners, multimeters, and wiring diagrams to identify and resolve electrical faults.
• Complete work orders accurately, documenting labor, diagnostic findings, and repairs.
• Maintain cleanliness and organization of the shop, tools, and service areas.
• Adhere to company safety procedures, PPE requirements, and OSHA‑compliant work practices.
• Test‑drive and operate equipment to verify proper functionality after repairs.
• Attend and participate in daily morning huddles as well as weekly safety meetings.
• Perform other duties as assigned.

Skills

Follow verbal and written instructions

Heavy highway construction knowledge

Heavy equipment operation knowledge

Diesel engines knowledge

Safety precautions knowledge

Reliable transportation

Education

High school diploma or GED

Tools

CDL Class A or B license

Job description

C.S. Mccrossan, Inc. in Maple Grove, MN is seeking a shop mechanic for a full-time seasonal role. The position runs about 10 months per year with occasional weekend work and overtime.

You will maintain and repair heavy-duty trucks and equipment, perform DOT inspections, diagnose hydraulic and diesel systems, and document work orders. The role requires safety adherence and the ability to work in varying weather conditions.