Diesel Mechanic

Trs Staffing Solutions, Inc.; Moncks Corner (SC); On-site; USD 33,000 - 44,000; Full time

Benefits offered by this job

Medical insurance

Dental insurance

Vision insurance

Life insurance

Paid time off

401(k)

Relocation assistance

Job summary

Trs Staffing Solutions, Inc. is seeking an experienced Diesel Mechanic for our Charleston-area projects. You will maintain a fleet of heavy construction equipment and trucks, ensuring peak performance across dozers, excavators, backhoes, and service trucks.

The ideal candidate has hands-on diagnostic and repair skills for diesel engines, hydraulics, electrical systems, and drivetrains, with a commitment to safety and quality on active construction sites in Charleston, SC.

Qualifications

• Minimum 3 years of diesel mechanic experience in construction/heavy equipment.
• Proficiency with diesel engines, hydraulics, electrical systems.
• Valid driver’s license; CDL preferred but not required.

Responsibilities

• Inspect, diagnose, and repair diesel engines, transmissions, hydraulics, and electrical systems.
• Perform scheduled preventive maintenance and DOT inspections on fleet vehicles.
• Troubleshoot and repair issues with hydraulics, brakes, steering, suspension, and powertrain components.
• Maintain accurate service records and documentation of all work performed.
• Respond to equipment breakdowns on job sites to minimize downtime.

Skills

Diesel engines

Diagnostics

Hydraulics

Electrical systems

Troubleshooting

Service records

Safety procedures

Education

High school diploma or GED

Trade school or technical certification

Tools

Diagnostic tools

Service manuals

Job description

Job Title:Diesel Mechanic

Location:Charleston, SC

Industry:Underground Utility & Heavy Civil Construction

Employment Type: Permanent, Direct Placement

Compensation: $24–$32/hour (based on experience) + overtime opportunities

Benefits: Comprehensive package including medical, dental, vision, and life insurance; paid time off; 401(k); relocation assistance available

Position Summary

We are seeking an experienced Diesel Mechanic to join our team and keep our fleet of heavy construction equipment and trucks running at peak performance. This role is critical to supporting underground utility and civil construction projects across the Charleston area.

The ideal candidate is a hands-on professional with strong diagnostic and repair skills across diesel engines, hydraulics, electrical systems, and drivetrains. You’ll work on a variety of equipment including dozers, excavators, backhoes, dump trucks, and service trucks.

This is a full-time, year-round opportunity with a growing contractor that values safety, quality, and long-term career development.

Responsibilities

Equipment Maintenance & Repair

• Inspect, diagnose, and repair diesel engines, transmissions, hydraulics, and electrical systems.
• Perform scheduled preventive maintenance and DOT inspections on fleet vehicles.
• Troubleshoot and repair issues with hydraulics, brakes, steering, suspension, and powertrain components.
• Maintain accurate service records and documentation of all work performed.

Field & Shop Support

• Respond to equipment breakdowns on job sites to minimize downtime.
• Safely operate service trucks and tools when performing field repairs.
• Work closely with operators, foremen, and the Fleet Manager to prioritize maintenance needs.
• Help maintain a clean, organized, and safe shop and yard environment.

Safety & Compliance

• Adhere to company and OSHA safety standards at all times.
• Use proper PPE and remain alert to jobsite hazards.
• Report unsafe conditions, equipment issues, or near misses promptly.

Requirements

Education & Experience

• High school diploma or equivalent required; trade or technical school preferred.
• Minimum 3 years of diesel mechanic experience (construction/heavy equipment background strongly preferred).
• Solid knowledge of diesel engines, hydraulics, electrical systems, and diagnostics.

Certifications & Licenses

• Valid driver’s license with clean MVR (CDL preferred but not required).
• ASE or OEM certifications (Caterpillar, John Deere, Komatsu, etc.) are a plus.
• OSHA 10 or 30 certification preferred (training available if needed).

Skills & Attributes

• Strong troubleshooting and mechanical aptitude.
• Ability to read and interpret service manuals, wiring diagrams, and schematics.
• Proficiency with diagnostic software and tools.
• Dependable, self-motivated, and able to work independently or in a team environment.

Physical Requirements

• Ability to lift up to 75 lbs, bend, climb, and work in varying weather conditions.
• Comfortable standing or working in awkward positions for extended periods.
• Willingness to work outdoors and on active construction sites.