Senior Mobile Diesel Systems Specialist

Transwest Mobile Truck & Trailer; Salt Lake City (UT); On-site; USD 75,000 - 110,000; Full time

Benefits offered by this job

Health, Vision, and Dental Insurance

401(k) with Company Match

Life and Disability Insurance

Paid Time Off and Holidays

Referral Bonus Program

Overtime opportunities based on绩绩?

Job summary

Transwest Mobile seeks a skilled field technician to lead diagnostics and repairs on heavy-duty diesel engines, hydraulics, and electrical systems. You will perform engine overhauls, operate a service crane, and mentor junior techs while delivering clear, customer-facing diagnostics on-site with safe, efficient maintenance.

You will work across multiple fleets, travel to job sites, and uphold safety and performance standards while documenting work thoroughly for continuous improvement.

Qualifications

• High school diploma or GED required.
• 5–10+ years’ experience in heavy equipment, diesel, or hydraulic system repair.
• Expert command of electrical, hydraulic, and mechanical systems.
• Mastery of advanced diagnostics and complex repairs (CAN bus, ECM).
• ASE certifications (T2–T8) or Master Diesel Technician status preferred.
• Valid driver’s license and ability to drive a company vehicle.

Responsibilities

• Lead advanced diagnostics and repairs on heavy-duty diesel engines, hydraulics, and electrical systems (CAN bus, ECM).
• Perform precision engine overhauls, rebuilds, and complex component work.
• Operate cranes and specialized gear for high-level maintenance tasks.
• Mentor and train junior technicians and interface with customers with clear recommendations.
• Document repairs with meticulous records and support/process improvements.

Skills

Electrical systems

Hydraulic systems

Mechanical systems

Diagnostics

Leadership/mentoring

Customer-facing communication

Education

High school diploma or GED/Master Diesel incl ASE certs

Tools

Crane operation

Professional diagnostic tools

Job description

Step into the day and lead the fixPicture this: sunrise on a job site in Arizona, a Class 8 unit down, and you roll up in a fully equipped service truck. By mid-morning you’ve traced an intermittent CAN bus fault to a failing ECM input, operated your service crane to support a repair, and by afternoon you’re guiding a junior tech through a precision overhaul. That’s a typical day for a Transwest Mobile pro—keeping contractors, municipalities, and fleet operators moving with minimal downtime across Arizona, California, Nevada, Texas, and Utah.With over 25 years of trusted service behind us, we’re known for innovation, leadership, and results. If you’re driven to solve complex problems and raise the bar for others, you’ll feel right at home.How you’ll make an impactOwn advanced diagnostics and repairs on heavy-duty diesel engines, hydraulics, and electrical systems (including CAN bus and ECM), plus medium and light duty applications.Perform precision engine overhauls, rebuilds, and complex component work efficiently and accurately.Leverage cutting-edge diagnostic tools and service manuals to troubleshoot intricate issues.Operate cranes and specialized gear to execute high-level maintenance tasks safely.Mentor and train junior technicians, shaping a collaborative, high-performance culture.Interface professionally with customers, delivering clear diagnostics and service recommendations.Document work with meticulous records of repairs and maintenance.Champion process improvements and uphold strict safety and performance standards.What you bringHigh school diploma or GED.5–10+ years’ experience in heavy equipment, diesel, or hydraulic system repair.Expert command of electrical, hydraulic, and mechanical systems.Mastery of advanced diagnostics and complex repairs (e.g., CAN bus, ECM).A complete professional toolset suited to the job.Strong organization and the independence to excel under pressure.Valid driver’s license and ability to drive a company vehicle (mobile role).Ability to lift 50+ pounds and work in indoor/outdoor environments.Preferred qualificationsMultiple ASE certifications including T2–T8 or Master Diesel Technician status.Experience as a lead tech, supervisor, or shop manager.Demonstrated success in field service or mobile repair.Excellent customer-facing communication; proven leadership on job sites.Why Transwest MobileHigh-impact work: Lead complex repairs that keep critical fleets operational.Leadership path: Mentor others and influence how we work.Elite culture: Expertise, innovation, and collaboration define us.Top benefits:Health, Vision, and Dental Insurance401(k)Life and Disability InsurancePaid Time Off and HolidaysReferral Bonus ProgramOvertime opportunities based on performanceOn-the-job trainingWork boot allowance, uniforms, and cleaning providedCompany vehicle for mobile rolesComplianceAbility to pass background checks.About Transwest MobileSince 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.Ready to lead?Apply now and help us keep fleets moving. Learn more at transwestmobile.comTechnical proficiencies we valueElectrical Systems Diagnostics & RepairEngine Performance & DrivabilityDiesel Engine SystemsLight Vehicle Diesel EnginesDiesel & Heavy Equipment SystemsElectrical Systems & Diagnostics (Heavy Equipment)Equipment Diagnostics & Troubleshooting