Diesel Mechanic

CalTex Cashflow; San Antonio (TX); On-site; USD 34,000 - 55,000; Full time

Benefits offered by this job

Paid time off

Holiday pay

Parts discounts

Work-life balance

Job summary

CalTex Cashflow is seeking a skilled Medium and Heavy-Duty Diesel Technician to diagnose, maintain, and repair a range of trucks and equipment. This local, family-owned shop emphasizes reliability, dedication, and teamwork.

Expect a Monday–Friday schedule, 7 AM–4 PM, with hourly pay based on experience, plus paid time off, and parts discounts. You’ll contribute to safe, high-quality service and support, while growing with a team that values integrity and craftsmanship.

Qualifications

• High School Diploma or GED.
• 4+ years of diesel diagnostics and repair.
• Valid driver's license with clean record.
• Ability to lift up to 80 lbs and travel when needed.
• Excellent communication and teamwork.

Responsibilities

• Diagnose and repair diesel engines and related components.
• Perform DOT-compliant inspections and preventative maintenance.
• Service and maintain engines, aftertreatment, clutch, transmission, suspension, braking HVAC, and cooling systems.
• Prepare and submit work orders, time sheets, warranty claims, and quality control forms.
• Identify required parts and propose repair solutions.
• Collaborate with team to ensure safe, timely, high-quality service.

Skills

Diesel diagnostics

Diesel repair

Mechanical knowledge

Attention to detail

Time management

Communication

Education

High School Diploma or GED

Job description

We’re a locally owned and trusted family-owned maintenance and repair provider, we value expertise, dedication, and a strong work ethic. We're seeking a skilled Medium and Heavy-Duty Diesel Technician to become an integral part of our team.

Now Hiring: Diesel Mechanic

Compensation & Benefits

Pay: Hourly 25-40hr - Based on Experience (TBD).

• Paid Time Off and paid holidays.
• Personal vehicle preventive maintenance services, and parts discounts.
• Work-Life Balance – Supportive team.

Schedule

• Monday to Friday: 7 AM – 4 PM.

What You’ll Do

As a Diesel Technician, you’ll play a key role in diagnosing, maintaining, and repairing a variety of gasoline and diesel trucks and equipment.

Your day-to-day responsibilities will include:

• Performing diagnostics and repairs on diesel engines. (Freightliner, Volvo, Mack, Peterbilt, Kenworth, International, Isuzu, Ford, GMC, RAM).
• Servicing and maintaining engine, aftertreatment, clutch, transmission, suspension, braking HVAC, and cooling systems.
• Conducting DOT-compliant inspections and preventative maintenance.
• Preparing and submitting accurate documentation, including work orders, time sheets, warranty claims, and quality control forms.
• Identifying required parts and recommending repair solutions.
• Collaborating with team members to ensure safe, timely, and high-quality service.

What We’re Looking For

We’re looking for a skilled technician who takes pride in their craftsmanship and thrives in a team-oriented environment. The ideal candidate shares our core values of reliability, commitment, dedication, and honesty—qualities that define our company culture and the service we provide to our customers.

Requirements

• High School Diploma or GED.
• Valid driver’s license and clean driving record.
• 4+ years of experience in diesel diagnostics and repair.
• Strong mechanical knowledge across various makes and systems.
• Excellent attention to detail, time management, and communication skills.
• Ability to lift up to 80 lbs, follow safety protocols, and work independently.
• Must be able to pass drug tests (random testing applies).
• Reliable transportation and willingness to travel when needed.

We’re not a large, impersonal corporation, we’re a family-owned business that values each team member as an essential part of our success. Here, you’re more than just a number; you’re respected as a skilled professional and supported every step of the way. We invest in your growth, recognize your contributions, and foster a workplace built on trust, teamwork, and shared values.

This position involves working indoors & outdoors in all weather conditions. Candidates must be comfortable working independently or with limited supervision and be resourceful enough to solve complex repairs in the field or shop.