Heavy Duty Diesel Mechanic (Mobile)

Senior/Master Technician - San Antonio

Ready to Master the Field? Join Transwest Mobile!

At Transwest Mobile, we’re innovators and problem-solvers, delivering cutting-edge mobile repair solutions across Arizona, California, Nevada, Texas, and Utah. With over 25 years of trusted service, we keep contractors, municipalities, and fleet operators moving with minimal downtime. We’re seeking elite technicians with advanced skills and a passion for leadership to join our team. If you’re ready to tackle complex challenges, mentor others, and drive excellence, this is your opportunity!

What You’ll Do

• Lead advanced diagnostics and repairs on heavy-duty diesel engines, hydraulics, electrical systems (including CAN bus and ECM), as well as medium and light duty applications.
• Perform engine overhauls, rebuilds, and complex repairs with precision and efficiency.
• Utilize advanced diagnostic tools and service manuals to troubleshoot intricate issues.
• Operate cranes and specialized equipment to support high-level maintenance tasks.
• Mentor and train junior technicians, fostering a culture of excellence and collaboration.
• Communicate expertly with customers, providing detailed diagnostics and service recommendations.
• Maintain meticulous records of repairs and maintenance activities.
• Drive process improvements and ensure compliance with safety and performance standards.

What You Bring

• High school diploma or GED.
• 5–10+ years of experience in heavy equipment, diesel, or hydraulic system repair.
• Expert-level knowledge of electrical, hydraulic, and mechanical systems.
• Proficiency in advanced diagnostics and complex repairs (e.g., CAN bus, ECM).
• Ability to supply a full set of professional tools suitable for the job.
• Strong organizational skills and ability to work independently in high-pressure settings.
• Valid driver’s license and ability to drive a company vehicle (mobile role).
• Ability to pass background checks.
• Ability to lift 50+ pounds and work in indoor/outdoor environments.

Preferred Qualifications

• Multiple ASE certifications, including T2 (Diesel Engines), T3 (Drive Train), T4 (Brakes), T5 (Suspension and Steering), T6 (Electrical/Electronic Systems), T7 (Heating, Ventilation, and A/C), and T8 (Preventive Maintenance) or Master Diesel Technician status.
• Lead technician, supervisory, or shop management experience.
• Proven expertise in field service or mobile repair.
• Strong communication and customer-facing skills, with experience leading projects on job sites.

Why Transwest Mobile?

• High-Impact Work : Lead complex repairs and keep critical fleets operational.
• Leadership Opportunities : Mentor the next generation of technicians and shape our processes.
• Elite Culture : Join a team that values expertise, innovation, and collaboration.
• Top Benefits :- Health, Vision, and Dental Insurance
  • Health Savings Account with company match
  • 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

About Us

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.

Ready to Lead?

Apply now to join a team that values mastery and pushes the industry forward. Let’s keep fleets moving together!

You should be proficient in:

• Electrical Systems Diagnostics & Repair
• Diesel Engine Systems
• Brake & Suspension Systems
• Preventive Maintenance & Inspection
• Automotive Repair
• ASE Automobile and Light Truck Certification Tests
• Engine Repair
• Automatic Transmission/Transaxle
• Suspension and Steering
• Light Vehicle Diesel Engines