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Experienced Diesel Mechanic

Company:
Greenstone Electrical Services
Location:
San Antonio, TX, 78245
Posted:
September 30, 2025
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Description:

Job Title: Experienced Diesel Mechanic Location: New Braunfels, TX Company: Greenstone Electrical LLC Job Summary: We are seeking a highly skilled and experienced Diesel Mechanic to join our growing team.

The ideal candidate will have a proven track record of diagnosing, repairing, and maintaining a wide range of diesel engines and heavy-duty vehicles/equipment.

This role requires a strong understanding of diesel systems, a meticulous approach to problem-solving, and a commitment to safety and quality workmanship.

Responsibilities: * Perform routine maintenance and preventative inspections on diesel engines and heavy-duty vehicles/equipment (e.g., trucks, trailers, construction equipment, generators, hydraulic, etc.). * Diagnose mechanical, electrical, and hydraulic issues using diagnostic software, specialized tools, and established troubleshooting procedures.

* Conduct complex repairs including, but not limited to, engine overhauls, transmission and differential replacements, brake system repairs, suspension work, and exhaust system maintenance.

* Troubleshoot and repair complex electrical systems, including wiring, sensors, and electronic control modules (ECMs). * Perform DPF/SCR system diagnostics, maintenance, and repair, including forced regenerations and component replacement.

* Utilize shop manuals, schematics, and service bulletins to ensure accurate and efficient repairs.

* Complete work orders, document all repairs, parts used, and time spent accurately and legibly using [e.g., computer-based maintenance systems, paper records]. * Communicate effectively with leadership and team members regarding repair status, repair needs, and estimated completion times.

* Adhere to all safety protocols, company policies, and environmental regulations.

* Maintain a clean and organized work area.

* Stay current with industry advancements, new technologies, and diagnostic tools through ongoing training and professional development.

* Potentially assist with roadside assistance or field service calls if applicable.

Qualifications: * High School Diploma or GED required.

* Associate's Degree in Diesel Technology or a related field from an accredited technical school highly preferred.

* [4] years of verifiable experience as a Diesel Mechanic working on [e.g., Class 8 trucks, construction equipment, light-duty diesels]. * ASE Certifications (e.g., Medium-Heavy Duty Truck, Engine Repair, Brakes, Electrical/Electronic Systems, Drivetrain) are highly preferred; willingness to obtain within a specified timeframe is a plus.

* Proficiency with diagnostic software and tools (e.g., Cummins Insite, Detroit Diagnostic Link, CAT ET, JPRO, TEXA, Diesel Laptops etc.). * Strong knowledge of diesel engine components, electrical systems, air brake systems, hydraulic systems, and drivelines.

* Ability to read and interpret schematics, technical manuals, and diagnostic codes.

* Possession of a complete set of mechanic's tools appropriate for diesel repair.

* Valid driver's license with a clean driving record required.

CDL Class A or B is a significant advantage.

* Excellent problem-solving and critical thinking skills.

* Strong communication and interpersonal skills.

* Ability to work independently and as part of a team in a fast-paced environment.

* Must be able to lift heavy objects, stand for extended periods, bend, stoop, and work in various weather conditions.

Physical Requirements: * Ability to lift up to 75 pounds regularly.

* Ability to stand, walk, bend, stoop, crouch, and kneel for extended periods.

* Manual dexterity and fine motor skills for intricate repairs.

* Ability to work in various environmental conditions, including noise, dust, and temperature extremes.

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