Senior Field Service Diesel Mechanic – Hydraulics & Powertrain

Join a high-caliber mobile repair team Transwest Mobile is a field-first service organization supporting mission-critical equipment across Arizona, California, Nevada, Texas, and Utah. With over 25 years of trusted service, we minimize downtime for contractors, municipalities, and fleet operators through expert on-site diagnostics and repair.

Role snapshot

Advanced field maintenance and repair for heavy-duty diesel engines, hydraulic systems, electrical systems, and farm machinery.

Expert diagnostic work using advanced tools and OEM service manuals.

Execution of scheduled and unscheduled repairs with minimal supervision while meeting safety and performance standards.

Operation of cranes and specialty equipment to safely complete lifts and component replacements.

Clear, customer-facing communication with recommendations and status updates.

Accurate documentation of work performed, parts, and time.

Mentorship of entry-level technicians and collaboration across teams.

Continuous learning to incorporate industry advancements into daily practice.

Minimum qualifications

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

Strong troubleshooting skills; effective under pressure in fast-paced field environments.

Proficiency with diagnostic software, tools, and manuals.

Personal tools appropriate for the trade.

Ability to prioritize and multitask.

Valid driver’s license and ability to drive a company vehicle (mobile role).Ability to lift 50+ pounds; comfortable working indoors and outdoors.

Preferred credentialsASE or OEM-specific training (e.g., CAT, Hyster, Cummins).Field service/mobile repair experience.

Strong communication and customer service track record.

Customer-facing experience or jobsite project leadership.

Benefits and support

Health, Vision, and Dental Insurance
401(k)
Life and Disability Insurance Paid Time Off and Holidays Referral Bonus Program Overtime opportunities based on performance

On-the-job training

Work boot allowance, uniforms, and cleaning provided

Company vehicle for mobile roles

Our edge Since 2009, we’ve delivered 24/7 mobile service with a flawless safety record and $3M liability insurance—redefining fleet productivity through dependable, field-ready repairs. You’ll work on platforms from Cummins to Eaton to Ford while mentoring others and growing your impact.

Compliance Ability to pass background checks.

Apply today

Be part of a collaborative, innovative team that keeps critical equipment online. Apply now and let’s keep fleets moving together. Visit transwestmobile.comYou should be proficient in:

Diesel Engine Systems Brake & Suspension Systems Preventive Maintenance & Inspection Engine Repair