Diesel Field Technician

Reliable field diesel mechanic with two years of hands on experience performing on-site diagnostics, maintenance, and repairs on diesel engines and related systems for trucks, generators, and heavy equipment. Focused on minimizing downtime, ensuring safety, and delivering clear customer communication.

Key Responsibilities

• Perform preventative maintenance and inspections: oil/filter changes, coolant service, fuel filter replacement, belts, and hoses.
• Diagnose and repair diesel engine problems: turbochargers, fuel injection systems (injectors, pumps, common-rail components), valve adjustments, and compression issues.
• Troubleshoot and repair diesel-related systems: cooling, intake/exhaust, turbo, transmission interfaces, brakes, and driveline components.
• Work with emissions and aftertreatment systems: DPF cleaning/diagnosis, DEF system checks, and basic ECM fault code interpretation.
• Use diagnostic tools and test equipment: multimeter, fuel pressure gauges, compression testers, OBD/diagnostic scanners, and handheld code readers.
• Perform roadside and on-site repairs: parts replacement, hose/fitting repair, basic welding, and emergency breakdown recovery.
• Complete service reports, parts usage logs, and communicate repair status, cost/time estimates, and safety concerns to dispatch and customers.
• Follow safety protocols (PPE, lockout/tagout) and proper handling/disposal of diesel fuel, oils, and hazardous materials.

Technical Skills & Tools

• Diesel engine repair (light to medium/heavy duty)
• Fuel injection systems (mechanical and electronic/common rail)
• Turbocharger maintenance and diagnosis
• Basic emissions aftertreatment knowledge (DPF, DEF)
• Electrical troubleshooting (12V–24V), sensor and starter/alternator service
• Use of diagnostic scanners, multimeter, compression tester, fuel pressure gauge, hand and power tools
• Basic welding and fabrication, hose/fitting replacement