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Diesel Mechanic

Guardian Fleet Services
Corsicana, TX Full Time
POSTED ON 4/14/2026
AVAILABLE BEFORE 5/10/2026
Diesel Mechanic $1500 Sign on Bonus

Guardian Fleet Services is seeking a skilled Diesel Mechanic to join our team. The successful candidate will work collaboratively to inspect, diagnose, and repair a variety of vehicles, including tow trucks and wreckers with gas and diesel engines. This role requires a comprehensive understanding of vehicle repair, from routine servicing to computer-aided diagnostics and air brake repairs. The Diesel Mechanic will also be responsible for maintaining clear repair records, ensuring a clean work area, and effectively communicating with team members.

Responsibilities

  • Conduct diagnostic tests on Diesel vehicles and replace components as necessary, including the engine, transmission, steering mechanism, and braking system.
  • Develop comprehensive work plans after fully diagnosing vehicle issues.
  • Perform routine maintenance tasks such as oil changes, wheel balancing, alignment, and brake checks.
  • Maintain accurate records of parts inventory and serviced vehicles.
  • Communicate effectively and professionally with team members and customers.
  • Manage time effectively and pay close attention to detail when documenting information.
  • Perform any other duties as assigned.


Qualifications

  • High school diploma or GED and certification and training in diesel engine repair.
  • Advanced knowledge of vehicles, their electrical systems, and the mechanisms of a diesel engine.
  • Proficiency in the use of diesel engine diagnostic software.
  • Comfortable using mechanical and electrical power tools.
  • Excellent problem-solving skills and attention to detail.
  • Basic knowledge of computer systems and other relevant electronics.
  • Good interpersonal skills and effective communication skills.
  • A valid driver’s license.


Physical Requirements

Regularly exposed to moving mechanical parts, working outdoors in the environment can be exposed to extreme cold and extreme heat. The noise level in the work environment is moderately loud. Lifting over 50lbs is a job requirement must not have any lifting restrictions and must not be afraid of heights. Will be working with hydraulic oils, motor oils, antifreeze, and diesel fuels. Must have the ability to sit, stand, lay on ground, bend over, and move intermittently.

Benefits Offered

  • Two Medical plans
  • Two Dental plans
  • Vision
  • Employer paid Life and AD&D
  • Voluntary Insurance plans
  • 401(k) Plan
  • Short Term Disability
  • Long Term Disability
  • Paid Holiday
  • PTO
  • Paid Uniforms
  • Employee Assistance Program
  • Employee Referral Bonus
  • Sign on Bonus


Guardian Fleet Services is an Equal Opportunity Employer and prohibits discrimination or harassment of any kind. All employment decisions are based on business needs, job requirements, and individual qualifications.

We encourage all qualified applicants to apply at www.guardianfleetservice.com

Salary.com Estimation for Diesel Mechanic in Corsicana, TX
$51,027 to $64,082
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