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Heavy Diesel Mechanic

Ernest Maier, Inc
Annapolis, MD Full Time
POSTED ON 10/23/2026
AVAILABLE BEFORE 12/22/2026
Job Description

Diesel Mechanic/Technician

Job Overview

We are seeking an experienced Diesel Mechanic to inspect, diagnose, repair, and perform preventive maintenance on our heavy-duty fleet, including concrete mixer trucks, dump trucks, flatbeds, tankers, loaders, Moffett forklifts, and diesel pickup trucks.

Responsibilities

  • Perform preventive maintenance and inspections.
  • Diagnose and repair diesel engines, electrical, hydraulic, brake, suspension, steering, cooling, and drivetrain systems.
  • Perform DOT inspections and safety repairs.
  • Complete work orders and document repairs.
  • Communicate repair status with the Fleet Manager.
  • Maintain a clean and safe work environment.
  • Respond to emergency roadside repairs as needed.

Qualifications

  • 3 years of diesel mechanic experience preferred.
  • Experience with Class 7 and Class 8 trucks.
  • Experience with heavy equipment is a plus.
  • Knowledge of diesel engines, hydraulics, air brakes, and electrical diagnostics.
  • Experience using diagnostic software.
  • Valid driver's license required; CDL preferred but not required.
  • Maryland State Inspection License and DOT Inspection Certification are a plus.
  • Ability to perform the physical demands of the position, including lifting, bending, kneeling, climbing, and working indoors and outdoors.

Preferred Experience

  • Cummins, PACCAR, and Mack engines
  • Allison or Eaton transmissions
  • Hydraulic systems
  • Concrete mixer drum systems

Benefits

  • Competitive pay based on experience
  • Health, dental, and vision insurance
  • 401(k) with company match
  • Paid holidays and PTO
  • Company-provided uniforms
  • Career advancement opportunities

We are looking for a dependable, safety-focused mechanic who takes pride in quality work and enjoys working as part of a team.

Salary.com Estimation for Heavy Diesel Mechanic in Annapolis, MD
$60,159 to $74,632
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