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Posted August 17, 2026

Field Diesel Systems Technician

DTR Services
Converse, TX, US Full Time
25USD - 43USD per hour

Job Description

Job Description
Role Snapshot

Based in San Antonio, TX, you will operate as a mobile diesel expert—driving to customer locations, pinpointing issues quickly, and keeping their vehicles and equipment running at peak performance. If hands-on problem solving is your strength and you enjoy a fast-moving field environment, this role is built for you.

A Day in the Field
  • Run comprehensive diagnostics on diesel engines and related equipment to identify mechanical and electrical faults.
  • Perform scheduled maintenance and corrective repairs on a variety of diesel-powered vehicles.
  • Repair or replace components such as fuel delivery systems, transmissions, and electrical subsystems.
  • Document all inspections, repairs, and maintenance with clear, accurate records.
  • Explain findings, options, and timelines to customers in a professional, service-focused manner.
  • Stay current with new tools, techniques, and advancements in diesel technology.
  • Work on-site in alignment with all applicable safety procedures and regulations.
What You Bring
  • High school diploma or equivalent; a technical certification in diesel mechanics is a plus.
  • Hands-on experience as a diesel technician or mechanic.
  • Deep understanding of diesel engines, systems, and components.
  • Proven ability to troubleshoot and repair both mechanical and electrical issues.
  • Strong analytical thinking and meticulous attention to detail.
  • Valid driver’s license with a clean driving record.
  • Clear communication skills and a customer-first mindset.
  • Flexibility to work variable hours and travel to different job sites as required.
Location

San Antonio, TX and surrounding areas.

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