Description Scrap Management Industries inc. is looking for a skilled Supervisor/Diesel Mechanic to oversee our maintenance shop and help maintain and repair our fleet of heavy-duty trucks and trailers. Our company runs a high-volume freight operation, and we rely on professional mechanics to keep our trucks DOT-compliant, road-ready, and running at peak performance. If you're experienced with heavy-duty diesel trucks, enjoy a fast-paced shop, and take pride in your work, this role is for you. Duties/Responsibilities: • Inspect, diagnose, and repair diesel engines, drivetrains, brakes, suspension, and trailer systems • Oversee direct reports and ensure policies are followed • Perform routine maintenance, including PMs, oil changes, tire checks, and brake services • Utilize diagnostic tools (Cummins Insite, Noregon, etc.) to troubleshoot issues and complete repairs • Conduct DOT inspections and ensure compliance with FMCSA standards • Maintain acc urate maintenance logs and repair records (digitally) • Coordinate with dispatch and operations manager for truck downtime and service scheduling • Respond to occasional roadside service calls or after-hours breakdowns (rotation basis) • Performs other related duties as assigned. Requirements Required Skills/Abilities: • Experience working on and troubleshooting issues with both heavy mobile equipment and diesel-powered trucks. • 2+ years of experience working on Class 7 and 8 trucks (Freightliner, Kenworth, Peterbilt, Mack, Volvo, etc.) • Strong knowledge of diesel engines, air brakes, electrical, and emissions systems • Experience overseeing others • Familiarity with diagnostic software and electronic logging devices (ELDs) • Must provide your own basic tools (specialty tools provided by shop) • Valid driver’s license required; CDL-A is a strong plus • ASE Certification preferred but not required • Ability to lift 50+ lbs. and work in a physically demanding environment • Must have thorough understanding of DOT regulations. • Mechanically inclined with great problem-solving skills. • Works well independently and with others. • Good communication skills. • Organized with attention to detail. • Ability to work in a fast-paced and stressful environment. Education and Experience: • Some vocational or community college with related coursework or equivalent experience, required. • Bilingual preferred, not required. • Current CDL license a plus. • Mobile equipment operating experience a plus. Physical Requirements: • Prolonged periods standing and walking. • Able to bend, stretch, push, pull, and move as needed to reach, clean, and service machinery. • Must be able to visually inspect machines. • Must be able to lift and carry up to 50 pounds.