Mobile Heavy Equipment Diesel Field Technician

Location: Fontana

Bring Your Expertise to the Road Picture this: the sun is just up over Arizona, your work tablet pings with the first assignment, and you roll out in a fully equipped service truck. By mid-morning you’re in Nevada diagnosing an electrical fault on a municipal unit; by afternoon you’re operating a crane to pull a component on a contractor’s excavator in California.

At every stop, you’re the pro customers trust to keep their fleets running.

Transwest Mobile has delivered field-ready diesel repair across Arizona, California, Nevada, Texas, and Utah for more than 25 years. We’re adding an experienced mobile technician who thrives on tough diagnostics, safe field work, and clear communication.

What Your Day Looks Like Tackle advanced maintenance and repairs on heavy-duty diesel engines, hydraulic systems, electrical systems, and farm machinery in the field.

Use advanced diagnostic tooling and service literature to get to root cause—fast and accurately.

Handle both planned service and urgent, unscheduled calls with minimal oversight while meeting safety and performance standards.

Operate cranes and other specialized equipment to support component removal, installation, and precise repair tasks.

Keep customers informed with clear recommendations, ETAs, and detailed updates.

Document work meticulously—parts, labor, and findings—so the next job starts ahead.

Mentor entry-level techs and collaborate across the team to elevate field service quality.

Stay sharp on industry advancements and apply them to improve repair outcomes.

What You Bring High school diploma or GED.
5+ years hands-on experience with diesel, hydraulic, or electrical systems.

Deep familiarity with diagnostic software, meters, and OEM manuals.

Proven troubleshooting under pressure in fast-paced field environments.

Your own professional toolset appropriate to the work.

Strong prioritization and multitasking skills.

Valid driver’s license and readiness to drive a company service vehicle.

Ability to pass background checks.

Comfort lifting 50+ pounds and working indoors and outdoors.

PreferredASE certifications or OEM training (Freightliner, Detroit, Cummins, etc.).Field service/mobile repair experience.

Excellent communication and customer service skills.

Customer-facing leadership on job sites or project oversight.

Why Choose Transwest Mobile Impact that matters: keep essential fleets mission-ready.

Growth: exposure to brands like Cummins, Eaton, and Ford, plus the chance to mentor others.

Supportive culture: innovation, collaboration, and respect for your craft.

Compensation & Benefits Health, Vision, and Dental Insurance
401(k)
Health Savings Account with Company Match Life and Disability Insurance Holidays and Paid Time Off Referral Bonus Program Overtime opportunities based on performance

On-the-job training

Work boot allowance, uniforms, and cleaning provided

Company vehicle for mobile roles

About Transwest Mobile Since 2009, Transwest Mobile has redefined fleet productivity with innovative mobile repair services across Arizona, California, Nevada, Texas, and Utah. Our flawless safety record, $3M liability insurance, and 24/7 availability make us the trusted choice for field-ready repairs. Join us to drive efficiency, capability, and safety in every job.

Core Proficiencies Troubleshooting Skills Electrical Systems Diagnostics & Repair Vehicle Electronics & Computer Controls Diesel Engine Systems Brake & Suspension Systems Preventive Maintenance & Inspection Transmission & Drivetrain SystemsASE Automobile and Light Truck Certification Tests Engine Repair Suspension and Steering Brakes Tire  Service Ready to Roll?

Apply now and keep critical fleets moving with Transwest Mobile. Visit transwestmobile.com Equal Opportunity Employer Transwest Mobile Truck Repair is an equal opportunity employer and value diversity at our company. All qualified applicants will receive consideration for employment without regard to race, color, religion, sex (including pregnancy, sexual orientation, and gender identity), national origin, age, disability, protected veteran status, or any other characteristic protected by applicable law.

Employment may be contingent upon successful completion of a background check and/or drug screening, where permitted by law.

We are committed to providing reasonable accommodations to qualified individuals with disabilities and to individuals with sincerely held religious beliefs, in accordance with applicable law.