Diesel Mechanic

DCS is a family owned and operated business providing infrastructure/maintenance contracting services to State DOTs, railroads, and other commercial/residential customers across the United States. We are seeking a highly skilled Shop/Traveling Diesel Mechanic with extensive troubleshooting experience in medium and heavy-duty truck systems. This role is ideal for a self-sufficient, diagnostic-focused technician who can accurately identify issues and complete repairs efficiently, the first time. This position requires travel throughout Oklahoma, Texas, Louisiana, Kansas and Colorado. Candidates must be comfortable working independently in the field with minimal supervision. This is a shop/travel mechanic position, with the shop located in Oklahoma City, OK. Service truck provided.

Responsibilities

Travel between job sites to inspect, diagnose, and repair medium and heavy-duty diesel trucks, skid steers, and related equipment; Perform advanced troubleshooting and repair of diesel engines, electrical systems, hydraulic systems, emissions systems (aftertreatment/DEF systems), transmissions, A/C systems, Hi-Rail gear systems, and spray systems; Utilize scan tools, diagnostic software, multimeters, pressure gauges, and other testing equipment; Perform routine maintenance, emergency repairs, and preventative services; Complete repairs efficiently and correctly on the first attempt through accurate root-cause analysis; Perform fabrication, welding, and cutting as required; Maintain service truck organization, tool inventory, and parts accountability; Maintain accurate service documentation and communicate repair updates with management; Ensure full compliance with company safety standards and DOT regulations; Work extended hours as needed and operate effectively in all weather conditions

Requirements

Minimum 3+ years of experience as a diesel mechanic, preferably with heavy-duty truck repair; Diagnostic and troubleshooting skills across diesel, hydraulic, electrical, and emissions systems (REQUIRED); Strong understanding of aftertreatment systems and diesel emissions components; Proven ability to work independently in remote environments with minimal supervision; Fabrication and welding experience required; Valid driver's license required; must be able to pass a DOT physical; Willingness to travel frequently across multiple states; Must provide verifiable employment history and hands-on experience

Nice to have

ASE certifications

Benefits

Challenging and rewarding work environment; Competitive medical, dental, vision, and prescription drug coverage; 401(k) with company match; Generous paid time off; Career development opportunities; Employee referral bonus; Hotel accommodations and per-diem provided by DCS; Service truck provided; Generous compensation packages and employee engagement events