Field Service Diesel Mechanic - Nashville

The Halter Group; Nashville (TN); On-site; USD 48,000 - 64,000; Full time

Benefits offered by this job

401(k)

Dental insurance

Health insurance

Life insurance

Paid time off

Vision Insurance

Job summary

The Halter Group is seeking a full‑time Mobile Diesel Mechanic to service heavy‑duty trucks, trailers and equipment across the KY, TN and GA region. The role requires mobility, reliability, and willingness to travel to customer sites.

Responsibilities include diagnosing, inspecting, repairing and maintaining diesel systems, with safety and DOT compliance as a priority. A CDL‑B training path may be available through the company program.

Qualifications

• Diesel automotive repair – diagnose and repair large equipment on the job
• Troubleshoot and repair mechanical problems
• Strong reading and writing for manuals, reports and field support
• Customer service focus with preventative maintenance training
• Physical requirements including lifting and working in varied conditions
• Must be legally authorized to work in the United States

Responsibilities

• Service, inspect, repair, and track diesel engines, transmissions and related systems.
• Perform routine maintenance on heavy‑duty diesel engines and equipment.
• Prioritize work orders and repairs based on importance.
• Maintain safety standards and DOT compliance.
• Coordinate with field staff and document service records.
• Use diagnostic tools to improve engine efficiency and resolve issues.

Skills

Diesel repair

Troubleshooting

Communication

Customer service

Physical stamina

US work authorization

Education

High school diploma

Diesel technology cert/AS degree

Job description

About us

The Halter Group (www.thehaltergroup.com) – One of the Fastest Growing Companies. Established in 1982, The Halter Group has since evolved into one of the growing tree trimming contracting companies in the area, providing comprehensive services to our clients. We pride ourselves on providing the best possible service to our customers, contractors and value our employees.

We are currently seeking a full‑time Mobile Diesel Mechanic who is responsible, self‑motivated, managed, hardworking and reliable to join our team. This position reports directly to the Fleet Services Manager. A clear, valid driver's license is required and a CDL A or B is preferred.

This position will service the greater KY, TN, GA areas. Travel is required.

We are willing to invest in our staff by assisting with obtaining a CDL B license if you are willing to invest in your growth by preparing and meeting timely goals to obtain a CDL B permit and perform the assignments to satisfy the DOT requirements.

Position Summary

Diesel mechanics complete inspections, maintenance and repairs on trucks, trailers, forklifts, pickups, and other heavy‑duty vehicles. As technicians for an ever‑growing and expanding company, this position requires mobility and travel to provide necessary preventative maintenance and services to the fleet.

Job Details

• Service, inspect, repair, and track important systems and components such as diesel engines, transmissions, brake systems, electrical systems, cooling systems, steering systems, and hydraulic systems. (Altec, Terex, Freightliner, Cummins, Allison)
• Conduct routine maintenance on heavy‑duty diesel engines, tractors, tree service equipment and standard equipment.
• Strong problem‑solving skills, and high‑level mechanical aptitude. Must be able to prioritize work orders/repairs according to importance.
• Maintain all safety aspects of the job and ensure their mechanics are compliant with established safety protocol.
• Willing to work overtime; equipment may need to be serviced/repaired during off hours.li>
• Consult with field employees, read work orders, and determine the work required before beginning repairs. Maintaining proper service records on work completed, including the use of a fleet maintenance software program.
• Utilize diagnostic equipment to improve engine efficiency and diagnose mechanical problems and be able to process critical thinking skills to troubleshoot the problem and derive at a solution.
• Able to maintain and navigate systems of records receipt and invoice management to facilitate accurate and timely expense reporting.
• Perform various other duties as assigned.

Minimum Skills and Qualifications

• Diesel automotive repair – diagnose, repair, overhaul large equipment while on the job.
• Ability to troubleshoot and repair mechanical problems is critical.
• Excellent oral and written skills are necessary for reading technical manuals, writing reports, and providing support to the crews in the field.
• High level of customer service focusing on maintenance communication, providing preventative maintenance training to the field staff.
• Physical requirements, such as lifting over 50 pounds, bending, twisting, squatting, fine motor skills, working in the heat and cold (non‑climate controlled) setting.
• Must be Authorized to work in the United States.

Education

• High school diploma required, with a minimum of 2–3 years’ experience in automotive/diesel services.
• Associates degree or certification in diesel technology is preferred.
• Due to the increasing complexity, continued education needs to be demonstrated.
• Must be able to perform duties on shifts throughout a standard 8‑ or 10‑hour day.
• Must be available for emergency callout including holidays and weekends or work call outs.
• Must pass pre‑employment screening (Substance screening and background check, Motor Vehicle Record Check (MVR) and/or DOT Compliance screenings).
• Must have a valid driver’s license, CDL is preferred but not required immediately. Ability to obtain within 90 days through our company provided educational program.
• English is required, Bilingual in Spanish is preferred.

Benefits

• 401(k)
• Dental insurance
• Health insurance
• Life insurance
• Paid time off
• Vision Insurance

Schedule

• 8‑10 hour+ shifts pending location
• Monday to Friday
• On call
• Weekend availability

The Halter Group is an Equal Opportunity Employer. We are committed to providing equal employment opportunities to all employees and applicants and to fostering a workplace that is inclusive, respectful, and free from discrimination and harassment. Employment decisions are based on business needs, job requirements, and individual qualifications.