An established fleet maintenance operation is hiring Diesel Technicians in Boothwyn, PA for both shop and mobile service opportunities. Technicians will perform preventive maintenance, diagnostics, and repairs on customer fleets of heavy-duty trucks and trailers. Apply today for competitive pay, a Monday–Friday day shift, and paid ASE certification support.Duties & ResponsibilitiesPerform preventive maintenance and repairs on heavy-duty trucks and trailers.Diagnose and repair diesel engines, brakes, suspension, steering, electrical systems, and related components.Troubleshoot mechanical and electronic issues to keep equipment safe, reliable, and operational.Complete DOT inspections and ensure applicable safety and compliance standards are met.Accurately document inspections, repairs, and maintenance work while communicating with drivers, service advisors, and leadership.Maintain a clean, safe, and organized shop or mobile work environment Mobile Technicians will perform field-based maintenance and repairs while working independently as needed.RequirementsRequired:2+ years of diesel or heavy-duty maintenance experience for shop-based positions.3+ years of diesel experience and previous mobile technician experience for mobile positions.Strong mechanical, diagnostic, and troubleshooting skills.Experience with preventive maintenance programs.Valid driver’s license.Ability to work independently and as part of a team.Preferred:ASE T-Series certifications, including T2, T4, T5, T6, and/or T8, or willingness to obtain.CDL is a plus but not required. #PJ1 Compensation:$32.00 – $44.00/hour based on experience and certificationsPaid ASE testing and certification supportWage increases tied to ASE certifications and skill progressionTraining opportunities, diagnostic tool access, and opportunities for advancementBenefits:Health, Dental, Vision, and Life Insurance401(k) with company matchPaid Time OffFlexible Spending AccountShifts:Day shift, Monday to FridayOvertime available based on operational needs