Diesel Mechanic / Technician A — Growth, Training & Benefits

Southwest International Trucks; Arlington (TX); On-site; USD 60,000 - 90,000; Full time

Benefits offered by this job

Annual tool allowance

Annual shoe allowance

Safety eyewear program

Uniforms provided and laundered

Paid training and CDL programs

Mentorship for entry-level technicians

Referral rewards

Job summary

Southwest International Trucks in Arlington, TX is seeking a Diesel Mechanic / Technician A. This full-time role offers competitive pay, full benefits, and company incentives.

You will diagnose and repair diesel engines, perform maintenance, and interpret OEM procedures while maintaining accurate records and adhering to safety standards. The ideal candidate has strong diagnostic skills, OEM certifications, and the ability to mentor junior technicians.

Qualifications

• Advanced heavy‑duty diesel diagnostic and repair competency.
• Advanced OEM certifications required by service leadership.
• ASE Master Medium-Heavy Truck status preferred.
• Technical leadership, communication, and mentoring ability.
• Ability to work independently and manage assigned repair time.
• Ownership of tools and toolbox.

Responsibilities

• Inspection & Diagnosis of diesel engines and related systems using scan tools and diagnostics.
• Repair & Overhaul of injectors, glow plugs, turbochargers, transmissions, brakes and steering.
• Maintenance: oil changes, filter replacements, wheel alignments and brake checks.
• Interpret wiring diagrams, fault trees, service bulletins, and OEM procedures.
• Record keeping for compliance and warranty purposes.
• Safety compliance in the shop and with equipment.
• Complete tasks within established timeframes.
• Assist with difficult repairs and provide mentoring.

Skills

Advanced heavy-duty diesel diagnostics

Diesel engine repair

Technical leadership

Communication & mentoring

Independent work ethic

Education

ASE Master Medium-Heavy Truck status

Tools

Handheld scan tools

Laptop diagnostics

OEM repair procedures

Job description

Southwest International Trucks in Arlington, TX is seeking a Diesel Mechanic / Technician A. This full-time role offers competitive pay, full benefits, and company incentives.

You will diagnose and repair diesel engines, perform maintenance, and interpret OEM procedures while maintaining accurate records and adhering to safety standards. The ideal candidate has strong diagnostic skills, OEM certifications, and the ability to mentor junior technicians.