Senior Heavy-Duty Diesel Mechanic — Consistent Year‑Round Work

Magnolia 9 Transport LLC; Gulfport (MS); On-site; USD 48,000 - 72,000; Full time

Benefits offered by this job

Competitive pay

Year-round work

Supportive team environment

Growth opportunities

Job summary

Magnolia 9 Transport LLC in Gulfport, MS is seeking an experienced Heavy-Duty Diesel Mechanic to diagnose, repair, and maintain heavy-duty diesel trucks and trailers. You will perform preventative maintenance, DOT inspections, and ensure a clean, safe work environment while maintaining records of repairs for warranty compliance.

Work is independent with room to grow within a stable company. The role offers year-round work and a supportive team, with competitive pay based on experience.

Qualifications

• 5+ years of hands-on experience as a diesel mechanic.
• Strong diagnostic and troubleshooting skills.
• Knowledge of DOT compliance and inspections.
• Valid driver’s license (CDL a plus, not required)

Responsibilities

• Diagnose, repair, and maintain heavy-duty diesel trucks and trailers.
• Perform preventative maintenance and DOT inspections.
• Maintain a clean, safe, and organized work environment.
• Operate heavy machinery safely during repair or testing procedures to verify proper functioning post-repair.
• Maintain detailed service records of all repairs performed to ensure compliance with safety standards and warranty requirements.

Skills

Diesel engine repair

Diagnostic & troubleshooting

DOT compliance

CDL optional

Job description

Magnolia 9 Transport LLC in Gulfport, MS is seeking an experienced Heavy-Duty Diesel Mechanic to diagnose, repair, and maintain heavy-duty diesel trucks and trailers. You will perform preventative maintenance, DOT inspections, and ensure a clean, safe work environment while maintaining records of repairs for warranty compliance.

Work is independent with room to grow within a stable company. The role offers year-round work and a supportive team, with competitive pay based on experience.