Diesel Mechanic

City Of Atlanta Careers; Atlanta (GA); On-site; USD 59,000 - 79,000; Full time

Job summary

City Of Atlanta Careers seeks a skilled Diesel Mechanic to diagnose, repair, and maintain a wide range of heavy equipment, including excavators, cranes, loaders, and trucks. You will work in a safety-conscious fleet environment and ensure equipment operates reliably.

The ideal candidate has hands-on experience with diesel engines, hydraulics, electrical systems, and diagnostics, plus ability to read schematics, use power tools, and perform preventive maintenance.

Qualifications

• High school diploma or GED required.
• 3+ years in heavy‑duty diesel/auto repair, journeyman level in gas/diesel equipment.
• Experience reading schematics and troubleshooting complex mechanical/electrical systems.

Responsibilities

• Diagnose and repair diesel engines, transmissions, air brakes, suspensions, hydraulics, and HVAC systems.
• Perform routine maintenance such as oil changes, tire service, brakes, and wheel alignments.
• Fabricate/modify parts with hand/power tools, welding equipment as needed.
• Repair/maintain heavy equipment including excavators, cranes, loaders, and tractors.
• Read schematics and manuals to troubleshoot issues and ensure safety.

Skills

Heavy equipment experience

Diesel diagnostics

Hydraulics & HVAC

Read schematics

Tool & fabrication skills

Safety focused

Tools

Hand tools

Job description

Posting Expires: 8/26/2026

Salary Range: $58,977.96- $78,735.58

General Description and Classification Standards:

Responsible for diagnosing, repairing, and maintaining a variety of heavy-duty diesel equipment and vehicles. This role requires a strong mechanical and technical background, experienced with heavy machinery, and the ability to work efficiently in a fast-paced environment. As a diesel mechanic, you need to be safety oriented.

The ideal candidates will have industry/dealership experience and proficiency with automotive and engine diagnostics, hydraulics, and electrical systems at a minimum. This position offers an opportunity to work on diverse equipment including farm machinery, loaders, industrial equipment, excavators, cranes, and tractor-trailers to name a few. The Diesel Mechanic understands working in a true safety culture and will ensure all equipment operates safely and efficiently, supporting our operational needs.

This comprehensive role requires a dedicated professional capable of maintaining high standards of safety and quality while supporting our fleet’s operational excellence.

Essential Duties and Responsibilities:

These are typical responsibilities for this position and should not be construed as exclusive or all inclusive.

• Perform diagnostics and repairs on diesel engines, transmissions, air brakes, suspensions, hydraulics, turbines, pumps and HVAC systems.
• Conduct routine maintenance such as oil changes, tire service, brake repairs, shocks & struts replacement, and wheel alignments.
• Fabricate and modify parts using hand tools, power tools, welding equipment, and soldering techniques as needed.
• Repair and maintain heavy equipment including excavators, loaders cranes, forklifts, tractors, and other industrial machinery.
• Read schematics and technical manuals to troubleshoot complex mechanical or electrical issues.
• Utilize diagnostic tools to identify problems with vehicle systems and implement effective solutions.
• Assist in the assembly and disassembly of equipment for repair or upgrade purposes.
• Perform preventive maintenance to minimize downtime and extend equipment lifespan.
• Maintain detailed service records for all repairs performed.
• Ensure compliance with safety procedures during all maintenance activities.
• Assist in development and implementation of technical specifications
• May perform other duties as assigned.

The above statements reflect the general duties, responsibilities and competencies considered necessary to perform the essential duties and responsibilities of the job and should not be considered as a detailed description of all the work requirements of the position. COA may change the specific job duties with or without prior notice based on the needs of the organization.

Knowledge Skills and Abilities:

This is a partial listing of necessary knowledge, skills, and abilities required to perform the job successfully, it is not an exhaustive list.

• Proven mechanical experience working with heavy equipment such as excavators, cranes, forklifts, loaders, or farm machinery.
• Strong background in automotive diagnostics and repair of diesel engines.
• Knowledge of transmissions, hydraulics, suspension systems, HVAC systems, and electrical components related to heavy machinery.
• Skilled in using hand tools, power tools, welding equipment, and fabrication techniques.
• Ability to perform heavy lifting safely and efficiently.
• Familiar with new technology.

Minimum Qualifications:

1. High School Diploma or GED
2. Three (3) years of demonstrated experience in heavy duty diesel / automotive repair including one year at the journeyman level in the repair and maintenance of gas- and diesel powered heavy trucks, road maintenance equipment, and other related equipment.
3. Experience with schematics reading and troubleshooting complex mechanical or electrical systems.

Licensures and Certifications:

1. Diesel Mechanic certification(s).
2. Must possess and maintain a valid GA Class A Commercial Driver's License (CDL) with a P Endorsement.

Preferred Requirements:

1. Dealership experience is highly preferred.
2. Prior experience working in a service technician role with customer service skills is advantageous.
3. Degree in Diesel Technology, Automotive Technology or similar

Work Environment:

Occasionally lift 50 pounds or more, must be able to work with tools on vehicles lifted above head, work in tight spaces, walk/bend/stand/sit for long periods. May experience excessive noise. Work indoors and outdoors. Schedule shift may include evening hours, weekends, inclement weather, and holidays.