Field Service Master Tech – Diesel & Electrical Systems

Transwest Mobile Truck & Trailer; Salt Lake City (UT); On-site; USD 65,000 - 85,000; Full time

Benefits offered by this job

Health, vision & dental insurance

401(k)

Life & disability insurance

Paid time off & holidays

Referral bonus program

OT opportunities

Work boot allowance & uniforms

Company vehicle for mobile roles

Job summary

Transwest Mobile is seeking a skilled field technician to deliver on-site diagnostics and repairs across multiple states. You will tackle complex diagnostics on heavy‑duty diesel, hydraulic, and electrical systems, perform engine overhauls, and mentor junior techs while ensuring safety and clear customer guidance.

The role requires a strong tool set, 5–10+ years of experience, and the ability to work autonomously in varied environments.

Qualifications

• 5–10+ years in heavy equipment, diesel, or hydraulic repair.
• Mastery of electrical, hydraulic, and mechanical fundamentals.
• Hands-on diagnostics and repairs with CAN bus/ECM.
• Valid driver’s license and ability to operate a company vehicle.
• Pass background checks.

Responsibilities

• Diagnose heavy‑duty diesel, hydraulic, and electrical systems (CAN bus, ECM).
• Execute engine overhauls, rebuilds, and complex component repairs.
• Use OEM literature and advanced scan tools to identify root causes.
• Operate cranes and specialty gear to complete maintenance safely.
• Mentor junior techs and translate findings for customers.
• Document work thoroughly and drive safety/performance improvements.

Skills

Electrical fundamentals

Hydraulic fundamentals

Mechanical diagnostics

CAN bus / ECM diagnostics

Leadership experience

Documentation

Education

High school diploma or GED

ASE/T2–T8 credentials

Master Diesel Technician credentials

Tools

Full tool set

Job description

Transwest Mobile is seeking a skilled field technician to deliver on-site diagnostics and repairs across multiple states. You will tackle complex diagnostics on heavy‑duty diesel, hydraulic, and electrical systems, perform engine overhauls, and mentor junior techs while ensuring safety and clear customer guidance.

The role requires a strong tool set, 5–10+ years of experience, and the ability to work autonomously in varied environments.