Diesel Mechanic - Full Time

Prairie Companies; Casper (WY); On-site; USD 50,000 - 75,000; Full time

Benefits offered by this job

Competitive pay

Full-time employment

Supportive team

Growth opportunities

Safety-focused workplace

Job summary

Prairie Field Services in Casper, WY is seeking a diesel/heavy equipment mechanic to perform preventative maintenance and diagnostics on our fleet of heavy-duty trucks and trailers. You will identify issues early and perform necessary repairs to maximize uptime.

You will maintain detailed service records, comply with safety standards, and work independently within a team-focused shop. Competitive pay and full-time employment are offered.

Qualifications

• Experience performing preventative maintenance on diesel trucks and trailers.
• Ability to diagnose and troubleshoot mechanical issues on Class A tractors and trailers.
• Commitment to safety and accurate record keeping.

Responsibilities

• Perform preventative maintenance on heavy-duty trucks and trailers
• Complete oil changes, lubrication, fluid checks, and filter replacements
• Inspect brakes, tires, lights, suspension, and other vehicle components
• Identify mechanical issues before they become major repairs
• Perform minor mechanical repairs as needed
• Maintain accurate maintenance records and inspection reports
• Keep the shop clean, organized, and compliant with safety standards
• Work closely with operations to maximize fleet uptime

Skills

Diesel engines

Preventive maintenance

Troubleshooting

Safety

Record keeping

Independent work

Tools

Diagnostic tools

Job description

Job Type

Full-time

Description

• Perform preventative maintenance on heavy-duty trucks and trailers
• Complete oil changes, lubrication, fluid checks, and filter replacements
• Inspect brakes, tires, lights, suspension, and other vehicle components
• Identify mechanical issues before they become major repairs
• Perform minor mechanical repairs as needed
• Maintain accurate maintenance records and inspection reports
• Keep the shop clean, organized, and compliant with safety standards
• Work closely with operations to maximize fleet uptime

Requirements

• Previous experience as a diesel or heavy equipment mechanic preferred
• Knowledge of preventative maintenance procedures for Class A tractors and trailers
• Ability to diagnose and troubleshoot mechanical issues
• Strong attention to detail and commitment to safety
• Ability to work independently and manage priorities
• Ability to lift, carry, push, and pull up to 50–75 lbs.
• Valid driver's license required (CDL preferred but not required)
• Must be able to pass a pre-employment drug screening and meet company background requirements

At Prairie Field Services, we believe our people are our greatest asset. We invest in our employees and foster a culture built on respect, accountability, and teamwork.

Benefits

• Competitive pay based on experience
• Stable, full-time employment
• Supportive team environment
• Opportunity for growth within a growing company
• Safety-focused workplace