Senior Mobile Diesel Diagnostics Lead

Transwest Mobile Truck & Trailer; Corpus Christi (TX); Remote; USD 75,000 - 105,000; Full time

Benefits offered by this job

Health, Vision, Dental

401(k)

Life & Disability

Paid Time Off & Holidays

Referral Bonus Program

Overtime opportunities

On‑the‑job training

Work boot allowance

Company vehicle for mobile role

Job summary

Transwest Mobile Truck & Trailer seeks an experienced field technician to diagnose and repair heavy equipment across multiple sites. You will troubleshoot diesel engines, hydraulics, and electrical systems, leveraging CAN bus and ECM tools to isolate faults and perform high‑level maintenance.

You’ll lead junior techs on job sites, document all work meticulously, and maintain a strong safety culture while traveling to customer sites across the region.

Qualifications

• High school diploma or GED is required.
• 5–10+ years in heavy equipment, diesel, or hydraulic system repair.
• Deep fluency across electrical, hydraulic, and mechanical systems; strong CAN bus/ECM diagnostic capability.
• Own a professional tool set suitable for field service.
• Self-directed, organized, and able to work independently.
• Valid driver’s license and willingness to operate a company vehicle.
• Ability to pass background checks.
• Comfort lifting 50+ lbs and working in varied indoor/outdoor conditions.
• Preferred ASE certifications (T2–T8) or Master Diesel Technician.

Responsibilities

• Own complex troubleshooting and repairs for heavy equipment in field service.
• Perform precision engine overhauls, rebuilds, and high‑complexity mechanical repairs.
• Use diagnostic tools and OEM service information to isolate and resolve faults.
• Operate cranes and specialized tooling for safe, high‑level maintenance.
• Coach and mentor junior technicians and lead site projects.
• Document inspections, repairs, parts, and calibrations thoroughly.
• Maintain safety, process discipline, and continuous improvement on every job.

Skills

Heavy equipment repair

Diesel engine systems

Electrical systems

Hydraulic systems

CAN bus/ECM diagnostics

On-site customer service

Leadership

Education

High school diploma or GED

Tools

Diagnostic tools

CAN bus diagnostic tools

OEM service information access

Job description

Transwest Mobile Truck & Trailer seeks an experienced field technician to diagnose and repair heavy equipment across multiple sites. You will troubleshoot diesel engines, hydraulics, and electrical systems, leveraging CAN bus and ECM tools to isolate faults and perform high‑level maintenance.

You’ll lead junior techs on job sites, document all work meticulously, and maintain a strong safety culture while traveling to customer sites across the region.