Heavy Truck Diagnostic & Hydraulics Specialist

Torrey Holistics; Odessa (TX); On-site; USD 55,000 - 78,000; Full time

Benefits offered by this job

Competitive pay

Paid vacation/sick time/holidays

401(k) match

Medical, dental, vision, and Rx

Job summary

Custom Truck One Source (CTOS) is seeking a Heavy Truck Diagnostic & Hydraulics Specialist to diagnose mechanical, hydraulic, and electrical issues in shop or on mobile service calls. You will rebuild chassis systems, service emission systems, and install hydraulic gear in Class 6–8 platforms.

You will read schematics, work with advanced scan tools, and ensure safety and compliance while keeping equipment online.

Qualifications

• Proven experience as a diesel tech for heavy trucks.
• Experience reading schematics and diagnosing 12V/24V electrical circuits and ECMs.
• Safety and compliance mindset with a strong mechanical aptitude.

Responsibilities

• Diagnose mechanical, hydraulic, and electrical issues using advanced scan tools and software.
• Rebuild and repair chassis systems: steering, suspension, braking, and driveline on Class 6–8 trucks.
• Service emissions systems with emphasis on EGR, coolers, and valves; support DPF/DEF performance.
• Install, configure, and repair PTO gearboxes and integrated hydraulic systems (pumps, valves, cylinders, winches).
• Read schematics to troubleshoot electrical circuits and ECMs.

Skills

Diesel engines

Hydraulic systems

Electrical diagnostics

Troubleshooting

Education

Vocational/technical training or military mechanical experience

Tools

Scan tools

Diagnostic software

Job description

Can you turn a fault code into a fix?At Custom Truck One Source (CTOS), our 30+ years, 40+ locations, 2,600 employees, and 10,000+ asset fleet power essential industries—utility, telecom, rail, and construction. We’re searching for a Heavy Truck Diagnostic & Hydraulics Specialist who thrives on complex problems and keeps equipment online, whether in the shop or on a mobile service call.You WillDiagnose mechanical, hydraulic, and electronic issues with advanced scan tools and software.Rebuild and repair chassis systems: steering, suspension, braking, and driveline on Class 6–8 platforms.Service emissions systems with emphasis on EGR circuits, coolers, and valves; support DPF/DEF performance.Install, configure, and repair PTO gearboxes and integrated hydraulic systems (pumps, valves, cylinders, winches).Read schematics to troubleshoot 12V/24V electrical circuits, harnesses, starting/charging systems, and ECMs.Do You HaveA valid driver’s license (CDL is a plus)?Proven experience as a diesel tech on heavy trucks (Class 6, 7, or 8)?High mechanical aptitude and an unwavering commitment to safety and compliance?Vocational/technical school training or military mechanical experience?What You’ll Work OnSystems & Skills: Diesel engine systems (including light-duty diesel), diesel & heavy equipment systems, hydraulic systems/components, electrical systems & diagnostics (heavy equipment), and advanced troubleshooting.Equipment: Diesel engines and vehicles, box trucks, flatbeds/pickups, cranes, boom trucks, digger derricks, aerial devices, boom cranes, refuse trucks, hi-rail trucks, PTO-driven gear, and aftertreatment (DPF/DEF).Why CTOSCompetitive, skills-based payPaid vacation, sick time, and holidays401(k) matchMedical, dental, vision, and prescription benefitsUniforms and boot allowanceOngoing training and developmentEqual Opportunity Employer