Omar Haddad

• Diagnose and repair diesel engines, fuel systems, aftertreatment, transmissions, and electrical faults across a 120-vehicle commercial fleet. • Complete preventive maintenance and DOT inspections, cutting unscheduled roadside breakdowns by 22% in the first year. • Troubleshoot hydraulic lifts and air-brake systems with OEM scan tools; document findings and parts usage in fleet work orders. • Coach two junior technicians on lockout/tagout, torque procedures, and safe return-to-service checks.

• Serviced Class 7–8 tractors, trailers, and vocational trucks; completed 35–45 repair orders monthly while meeting quality targets. • Used Cummins INSITE, Detroit DiagnosticLink, and electrical schematics to isolate intermittent engine, sensor, and charging faults. • Rebuilt air compressors, replaced clutches and wheel-end components, and calibrated brake systems with zero preventable comebacks for 18 months. • Supported peak-season dispatch by prioritizing safety-critical repairs and communicating clear ETAs to fleet customers.

• Completed a 1,200-hour hands-on apprenticeship covering diesel engine overhaul, hydraulics, air systems, welding, and shop math. • Assisted senior mechanics with inspections, oil analysis, cooling-system repairs, and scheduled service on municipal and vocational vehicles. • Earned consistently clean safety audits by following PPE, spill-control, lifting, and hazardous-material procedures. • Built foundational troubleshooting skills through supervised use of multimeters, pressure gauges, and manufacturer service manuals.

ASE T2 Diesel Engines, T4 Brakes, T5 Suspension & Steering, T6 Electrical/Electronic Systems; OSHA 10-Hour Safety; CDL Class A with air-brake endorsement.