Diesel Mechanic

Job Description

Job Description

Position Summary

GAC Enterprises, LLC is seeking a dependable and mechanically skilled Diesel Mechanic to support the maintenance and repair of company vehicles and equipment. This role is responsible for inspecting, diagnosing, repairing, and performing preventative maintenance on diesel and gas-powered units to ensure safe, reliable, and efficient fleet operations.

The ideal candidate is safety-focused, detail-oriented, and capable of working in a fast-paced construction and field operations environment.

At GAC Enterprises, LLC, we are building a culture focused on growth, accountability, safety, and teamwork. We believe our employees are one of the most important parts of our success, and we are committed to creating opportunities for long-term development within the organization.

When you join GAC, you become part of a fast-growing company that supports critical infrastructure projects across multiple markets. We take pride in developing our teams, promoting from within when possible, and providing employees with the tools and support needed to succeed.

Why employees choose GAC:

• Opportunity for career growth and advancement
• Hands-on experience with specialized equipment and operations
• Team-oriented work environment
• Commitment to safety and operational excellence
• Stable and growing industry with long-term opportunities
• Leadership focused on continuous improvement and employee development

Essential Duties and Responsibilities

• Inspect, maintain, and repair company vehicles and equipment to ensure safe and reliable operation
• Diagnose and repair engines, transmissions, differentials, turbochargers, fuel systems, and related mechanical components
• Perform preventative maintenance including oil changes, tire rotations, lubrication, cooling system maintenance, and component replacement
• Troubleshoot and repair electrical, brake, and air systems
• Utilize diagnostic tools and technology to identify and resolve mechanical issues
• Support maintenance and repair activities for tractors, trailers, mini excavators, horizontal drills, and other construction equipment
• Perform basic welding and fabrication as needed
• Maintain accurate repair records and maintenance documentation
• Keep work areas clean, organized, and compliant with company safety standards
• Assist with additional maintenance projects and operational needs as assigned

Requirements

• High School Diploma or GED required
• Previous experience as a diesel mechanic, heavy equipment mechanic, or related mechanical role preferred
• Experience working with construction, telecom, or fleet equipment is a plus
• Basic understanding of diesel engines, hydraulic systems, and electrical systems preferred
• Ability to work in outdoor and field-based environments
• Strong troubleshooting and problem-solving skills
• Willingness to learn and grow within the organization

• Ability to read and understand maintenance manuals, repair documentation, and safety procedures
• Strong communication skills and ability to work with field teams and leadership
• Basic computer and mobile device proficiency for work orders, reporting, and communication
• Ability to use diagnostic software, GPS tools, and mobile applications
• Strong attention to detail and commitment to safety and quality standards

• Valid driver’s license required
• OSHA certification preferred
• CDL or equipment-related certifications are a plus

Benefits

• Medical, dental, and vision insurance
• Paid time off and company holidays
• Career development and advancement opportunities
• Training and continued development opportunities