Field Service Diesel Mechanic

The Halter Group • Nashville, TN

11d • Onsite

About The Position

The Field Service Technician is a mobile diesel mechanic who inspects, maintains, and repairs trucks, trailers, aerial lifts, forklifts, pickups, and tree service equipment used by vegetation management crews. The role travels to job sites and yards across the Georgia and Tennessee area to perform scheduled preventive maintenance and respond to breakdowns in the field. Work includes diagnosing and repairing equipment from Altec, Terex, Freightliner, Cummins, and Allison, in varied weather and outdoor conditions. The position reports directly to the Fleet Services Manager.

The technician uses diagnostic tools and critical thinking to troubleshoot problems, discusses equipment needs with crews and foremen, prioritizes repairs, and records service work and expenses using fleet maintenance software. The role also includes coaching crews on equipment care, following safety and DOT requirements, and responding to after-hours, weekend, holiday, and storm-related calls. Shifts are standard 8- or 10-hour days, with overtime and emergency response as needed. Overnight travel may require staying at a company-provided hotel or using per diem.

The Halter Group provides right-of-way clearing services for utility, gas, pipeline, and D.O.T. customers. Applicants must be currently authorized to work in the United States on a full-time basis. The company is an Equal Opportunity Employer and offers reasonable accommodations during the application and hiring process.

Requirements

• High school diploma or equivalent.
• 2–3 years of automotive or diesel repair experience.
• Ability to diagnose, repair, and overhaul large equipment in the field.
• Valid driver's license with a clean driving record.
• English proficiency, including strong reading and writing skills for technical manuals and reports.
• Ability to lift 50+ pounds, bend, twist, and squat, and work outdoors in heat and cold.
• Availability for overtime, emergency call-outs, weekends, and holidays.
• Ability to pass a pre-employment drug screen, background check, MVR check, and DOT compliance screening.
• Currently authorized to work in the United States on a full-time basis.

Nice To Haves

• CDL Class A or B.
• Bilingual English and Spanish skills.
• Associate degree or certification in diesel technology.
• Experience with Altec, Terex, Freightliner, Cummins, or Allison equipment.
• Experience with aerial devices, hydraulics, or tree care equipment.
• Experience with fleet maintenance software.

Responsibilities

• Travel to job sites and yards to inspect, service, and repair diesel engines, transmissions, brakes, electrical, cooling, steering, and hydraulic systems.
• Work on aerial lifts, bucket trucks, chippers, tractors, and other tree service equipment, including equipment from Altec, Terex, Freightliner, Cummins, and Allison.
• Perform scheduled preventive maintenance on heavy-duty diesel engines, pickups, trailers, and standard equipment.
• Use diagnostic tools and critical thinking to troubleshoot problems and determine solutions in the field.
• Communicate with crews and foremen, review work orders, and determine repair needs before starting work.
• Prioritize repairs by urgency so critical equipment returns to service first.
• Maintain accurate service records in fleet maintenance software.
• Track receipts and invoices for timely and accurate expense reporting.
• Coach field crews on preventive maintenance and daily equipment care.
• Respond to after-hours, weekend, and holiday call-outs when equipment breaks down.
• Support storm response and perform other duties as assigned.
• Follow safety protocols and establish safe work zones for roadside and right-of-way repairs.
• Lock out and tag out equipment, and safely support raised booms and hydraulic loads before working on them.
• Inspect aerial devices and safety-critical systems.
• Meet DOT inspection and compliance requirements for serviced vehicles.

Benefits

• Full benefits.
• Starting pay of $30.00 per hour, based on qualifications and experience.
• Per diem or hotel accommodations when traveling beyond the employee's home base.
• Company-provided program to help employees earn a CDL B.
• Room to grow as the fleet and service area expand.

What This Job Offers

• Job Type: Full-time
• Career Level: Mid Level
• Education Level: High school or GED