Diesel Mechanic

County-Materials-Family-of-Companies; Iowa City (IA); On-site; USD 52,000 - 68,000; Full time

Job summary

County Materials in Iowa City, Iowa is seeking a Diesel Technician to maintain, troubleshoot, and repair trucks and large equipment, ensuring safe, reliable operation and DOT compliance.

The role requires diesel mechanic expertise, at least 2 years of experience, a valid driver's license, and solid welding/hydraulic skills. This on-site position offers steady shifts and opportunities to support fleet maintenance and safety.

Qualifications

• High School diploma or equivalent.
• Minimum 2 years’ experience in diesel mechanics.
• A valid driver’s license and good driving record is required.
• CDL preferred.
• Strong hydraulic, mechanical, welding experience.

Responsibilities

• Troubleshoot, diagnose, and repair diesel engines, trucks, and heavy-duty equipment.
• Perform mechanical, hydraulic, and pneumatic repairs as needed.
• Complete preventative maintenance (PMs) and DOT inspections.
• Respond to emergency and unscheduled equipment breakdowns to reduce downtime.
• Read and interpret technical manuals, schematics, and service documentation.
• Operate, maintain, and inspect shop tools and equipment.
• Follow all safety procedures, regulatory requirements, and quality standards.
• Accurately document repairs, inspections, and maintenance activities.
• Support team operations and assist with special projects or tasks.
• Use hand and power tools, material handling equipment, welders, and cutting torches.
• Maintain a clean, organized, and safe work area.

Skills

Diesel mechanics experience

Driver's license

Proactive multitasking

Hydraulic systems

Welding experience

CDL preferred

Education

High School Diploma or Equivalent

Job description

We’re hiring a Diesel Technician to join County Materials in Iowa City, Iowa

Job Summary

We are seeking a Mechanical Technician with strong experience in diesel engines and heavy-duty equipment to maintain, troubleshoot, and repair trucks and large machinery. This role is critical to ensuring safe, reliable, and DOT-compliant operation of fleet and equipment assets.

Job Duties & Responsibilities

• Troubleshoot, diagnose, and repair diesel engines, trucks, and heavy-duty equipment
• Perform mechanical, hydraulic, and pneumatic repairs as needed
• Complete preventative maintenance (PMs) and DOT inspections
• Respond to emergency and unscheduled equipment breakdowns to reduce downtime
• Read and interpret technical manuals, schematics, and service documentation
• Operate, maintain, and inspect shop tools and equipment
• Follow all safety procedures, regulatory requirements, and quality standards
• Accurately document repairs, inspections, and maintenance activities
• Support team operations and assist with special projects or tasks
• Use hand and power tools, material handling equipment, welders, and cutting torches
• Maintain a clean, organized, and safe work area
• Perform other related duties as assigned

COUNTY Core Competencies

The expected behaviors of all COUNTY team members that align with Our Values and Our Commitments:

• Integrity & Organizational Awareness
• Customer First Focus
• Results Driven Orientation
• Teamwork, Safety & Collaboration
• Problem Solving & Decision Making
• Creativity & Innovation

Job-Based Competencies

• Diesel, Mechanical, & Pneumatic Systems Knowledge
• Diagnostics & Troubleshooting
• Preventative Maintenance & Reliability
• Work Planning & Documentation
• Tool Usage
• Welding
• Communication
• Attention to Detail

Experience & Qualifications

(Required or Preferred)

• High School Diploma or Equivalent
• Minimum of 2 years’ experience in diesel mechanics.
• Pro-active, multi-tasked, self-motivated team player and positive attitude.
• Strong hydraulic, mechanical, welding experience
• A valid driver's license and good driving record is required.
• CDL preferred

Work Environment

• Work is typically performed in an Indoor, Outdoor, Field environment including extreme hot or cold temperature in confined areas
• Exposure may include: Noise, weather, machinery, chemicals
• Travel required as needed
• Typical work hours/shifts: 1st shift, overtime expectations mandatory

Physical & Work Expectations

An individual in this position must be able to successfully perform the essential duties and responsibilities listed above. Reasonable accommodation may be made to enable individuals with disabilities to perform the essential functions of this position.

• Frequent standing, walking, bending, reaching, or handling materials/equipment.
• Occasional climbing, kneeling, or lifting/moving up to 75 pounds.
• Follow detailed instructions, communicate effectively, and safely perform job duties.
• May require the operation of specific tools, equipment, or vehicles associated with the position.

Noise Level

How much noise is typical for the work environment of this job? Loud Noise: (Examples: normal shop conditions)

Safety Equipment

Required safety equipment: Steel toe boots, hard hat, safety glasses, safety gloves, welding mask where and when used: at all times while working