Mobile Heavy-Duty Diesel Service Specialist

A Day in the Field with Transwest Mobile

Sunrise hits the yard and you’re already rolling toward a job site in Arizona, California, Nevada, Texas, or Utah. A municipal loader is down; contractors are queued behind it. You arrive, assess the situation, run advanced diagnostics, and bring the machine back to life—keeping crews on schedule and fleets in motion. That’s a typical win at Transwest Mobile, where for over 25 years we’ve been the team organizations call to solve complex repairs with minimal downtime.

What You’ll Tackle

• Execute advanced maintenance and repair on heavy-duty diesel engines, hydraulic components, electrical systems, and farm machinery.
• Diagnose intricate faults using cutting-edge diagnostic tools and OEM/service manuals.
• Handle both planned and unplanned field repairs independently while meeting safety and performance standards.
• Operate cranes and other specialized equipment to support service tasks in the field.
• Explain findings and recommendations clearly to customers, with timely status updates.
• Document service details thoroughly and accurately.
• Coach entry-level techs and collaborate with peers to enhance service quality.
• Keep current with industry innovations and integrate best practices into daily work.

What You Bring

• High school diploma or GED.
• 5+ years of hands-on experience with diesel powertrains, hydraulics, or electrical systems.
• Expertise with diagnostic platforms and service documentation.
• Strong fault-finding ability and composure in fast-paced, high-pressure environments.
• Your own tool set appropriate for field service.
• Excellent prioritization and multitasking skills.
• Valid driver’s license; comfortable operating a company vehicle in a mobile role.
• Ability to lift 50+ pounds and work indoors and outdoors.

Preferred

• ASE certifications or OEM training (Cummins, Detroit, Ford).
• Background in mobile/field service operations.
• Polished communication and customer service skills.
• Customer-facing track record or project leadership on active job sites.

Why You’ll Love It Here

• Impact: Take on challenging jobs that keep critical equipment up and running.
• Growth: Partner with brands like Cummins, Eaton, and Ford while mentoring others.
• Culture: Innovators and problem-solvers who have your back.
• Benefits: Health, Vision, Dental; HSA with company match; 401(k); Life & Disability; Paid Time Off & Holidays; Referral Bonus Program; performance-based overtime opportunities; on-the-job training; work boot allowance, uniforms, and cleaning; company vehicle provided for mobile roles.

About Transwest Mobile

Since 2009, Transwest Mobile has elevated fleet productivity with innovative, 24/7 mobile repair across AZ, CA, NV, TX, and UT. Our flawless safety record and $3M liability insurance help municipalities, contractors, and fleet operators trust us for field-ready repairs that prioritize safety, capability, and efficiency.

Compliance

Ability to pass background checks.

Ready to Roll?

Want more responsibility, bigger challenges, and a place to grow? Apply today and help us keep fleets moving. Visit transwestmobile.com

Proficiencies

• Electrical Systems Diagnostics & Repair
• Diesel Engine Systems
• Brakes
• Engine Performance
• Light Vehicle Diesel Engines
• Field Service Readiness
• Diesel & Heavy Equipment Systems