Mechanic III

About the role

Mechanic III is a senior-level technician role responsible for performing complex diagnostics, major repairs, and advanced welding and fabrication work across a diverse fleet of vehicles and landscaping equipment. This role independently handles high-skill mechanical and structural repairs, serves as a technical subject matter expert, and mentors other mechanics within the shop.

Differentiators: Advanced Repair, Welding & Diagnostic Expertise – Independently completes major mechanical repairs and structural welding and fabrication projects critical to fleet reliability. Technical Leadership – Acts as a go-to resource for the mechanic team, answering technical questions and guiding junior mechanics through troubleshooting and repair tasks. Compliance & Quality Champion – Ensures work adheres to company safety, DOT, and quality control standards, often conducting final inspections or approvals before release to service.

Working conditions: Work performed in a shop and yard environment with exposure to moving equipment, fluids, and outdoor elements; may involve occasional work outdoors or in variable weather conditions. Must be able to stand, bend, kneel, climb, and lift up to 50lbs regularly; frequent use of hand tools, lifting equipment, and diagnostic devices; require visual acuity and manual dexterity to inspect and service equipment. Primarily Monday through Friday with early morning, evening, or emergency response requirements, especially during peak seasons or urgent fleet issues. Occasional local travel to perform field service calls, equipment recovery, or vendor visits.

Responsibilities

• Complete complex repairs on gasoline and diesel trucks, trailers, and landscaping equipment (e.g., hydraulic systems, drivetrains, electrical systems, engine components).
• Perform advanced welding and fabrication, including frame repairs, reinforcement of structural components, custom brackets, mounts, equipment modifications, and trailer repairs.
• Lead troubleshooting of hard-to-diagnose issues using advanced diagnostic tools and manufacturer resources.
• Perform DOT-level inspections and ensure full compliance with regulatory standards.
• Utilize scan tools and diagnostic software to isolate performance issues and system malfunctions.
• Confirm root causes and provide detailed repair recommendations.
• Conduct quality checks on repairs performed by other team members.
• Assist with scheduling work orders and allocating tasks across the mechanic team.
• Help maintain shop organization, parts inventory, and cleanliness.
• Support shop safety initiatives and enforce proper tool and PPE use.
• Provide coaching and hands-on support to Mechanic I and II staff.
• Train team members on new equipment, procedures, and service documentation.
• Participate in the onboarding of new mechanics and help set performance expectations.
• Accurately complete detailed work orders, inspection reports, and service documentation in fleet management software (e.g., Fleetio).
• Ensure consistency in digital records and adherence to process standards.

Performance is measured by first-time repair accuracy and diagnostic success rate, timeliness of major repairs and special projects, quality assurance findings and repair rework rate, effectiveness in mentoring junior mechanics, work order and inspection documentation accuracy, and shop safety and tool compliance adherence.

Requirements

• Education: High school diploma or equivalent required; completion of a certified automotive or diesel technology program preferred.