Experienced Diesel Mechanic / Heavy-Duty Diesel Technician [509]

TCI Transportation•Lakeland, FL

7d•$30 - $35

About The Position

TCI Maintenance is hiring an experienced Level 3 Diesel Technician to maintain, diagnose, and repair heavy-duty commercial trucks and trailers. The technician will perform preventive maintenance, troubleshoot mechanical and electrical issues, take ownership of repairs, and work with the maintenance team to keep customer equipment safe and reliable. The position is located in Lakeland, Florida, and pays $29.52–$34.77 per hour depending on skills and experience. The schedule is Monday through Friday, with occasional weekend work and on-call availability. TCI is a family-owned transportation company that has served customers since 1978. The company emphasizes safety, teamwork, quality workmanship, continuous improvement, ethical conduct, transparency, and accountability. The role offers an opportunity to work with an experienced maintenance team and contribute to keeping customer equipment running reliably.

Requirements

At least 4 years of hands-on diesel engine repair experience.
Experience diagnosing and repairing heavy-duty trucks and trailers.
Strong mechanical, electrical, and troubleshooting skills.
Ability to complete repairs with minimal supervision.
Valid driver's license.
Strong attention to detail and commitment to safe, quality workmanship.
Ability to work independently and contribute to a team.
Availability to participate in an on-call rotation.

Nice To Haves

Experience with Cummins, Detroit Diesel, PACCAR, or other heavy-duty diesel engines.
Knowledge of DEF, DPF, SCR, and diesel aftertreatment systems.
Experience using electronic diagnostic equipment and troubleshooting software.
ASE certifications or manufacturer-specific technical training.
Experience assisting or mentoring developing technicians.
4–6+ years of diesel repair experience.

Responsibilities

Diagnose and repair heavy-duty diesel engines and major mechanical components.
Troubleshoot and repair electrical systems and related components.
Diagnose and repair air brake and hydraulic systems.
Service and repair clutches, PTO systems, and drivetrain components.
Troubleshoot heating, air conditioning, instruments, and gauges.
Perform preventive maintenance and identify potential mechanical failures.
Remove, replace, and repair major truck and trailer components.
Use diagnostic equipment to identify mechanical and electrical issues.
Complete quality repairs efficiently while meeting established safety and performance standards.
Collaborate with shop leadership and fellow technicians to solve challenging repair issues.