Lead Diesel Mechanic: Diagnostics, Repairs & Team Lead

Reliable Environmental Services LLC; Oxford (PA); On-site; USD 64,000 - 73,000; Full time

Benefits offered by this job

401(k) matching

Dental insurance

Health insurance

Life insurance

Paid time off

Vision insurance

Job summary

Reliable Environmental Services LLC is seeking a Lead Diesel Mechanic to maintain and repair diesel engines across our fleet. You will troubleshoot electrical, hydraulic and mechanical systems, supervise junior mechanics, and ensure DOT compliance.

The role requires diagnosing issues, maintaining records, and working in varied outdoor/indoor settings. We value safety, reliability, and hands-on expertise, with a typical full-time schedule and a pay range of $31–$35 per hour.

Qualifications

• Reads wiring diagrams, schematics and manuals and applies safe practices.
• 5–10 years of diesel experience or fleet repairs.
• CDL Class A preferred; valid license required.
• Owns tools/toolbox and basic computer skills.
• Knowledge of DOT/FMCSA rules and safety standards.

Responsibilities

• Perform complex servicing and repairs on company and customer vehicles.
• Supervise and provide guidance to junior mechanics as needed.
• Maintain accurate repair records and parts inventory.
• Ensure equipment meets DOT standards before release.
• Follows safety policies and keeps the shop organized.
• Weld, fabricate and troubleshoot electrical/hydraulic/mechanical issues.
• Respond to emergencies and work extended hours when required.

Skills

Diesel engine repair

Wiring diagrams literacy

Troubleshooting

Safety compliance

Team supervision

Education

Diesel program certificate/degree

Tools

Diagnostic tools

Welding

Own tools

MS Office

Job description

Reliable Environmental Services LLC is seeking a Lead Diesel Mechanic to maintain and repair diesel engines across our fleet. You will troubleshoot electrical, hydraulic and mechanical systems, supervise junior mechanics, and ensure DOT compliance.

The role requires diagnosing issues, maintaining records, and working in varied outdoor/indoor settings. We value safety, reliability, and hands-on expertise, with a typical full-time schedule and a pay range of $31–$35 per hour.