Field Service Diesel Mechanic

About the role

Custom Truck One Source – Atlanta, located at 334 Snapfinger Woods Drive, Decatur, GA 30035, is a leading manufacturer of utility trucks and equipment with a 30‑year history, 40 locations nationwide, over 2,500 employees, and a rental fleet exceeding 10,000 trucks. The Field Service Technician / Mechanic will perform inspections, preventive maintenance, and repair of CTOS equipment, working primarily on customer sites with occasional shop support.

Responsibilities

• Troubleshoot, repair, and maintain bucket trucks / aerial devices, digger derricks, truck‑mounted cranes (LMI & CAN‑bus systems), hydraulic utility equipment & major components, heavy‑ and light‑duty truck chassis, diesel, and electrical systems
• Perform inspections, preventive maintenance, and on‑site diagnostics
• Read and interpret manuals, schematics, and repair orders
• Use laptops and diagnostic software to identify issues
• Complete documentation accurately (repair orders, timecards, inspection forms)
• Communicate with customers and CTOS teams to minimize downtime
• Follow all safety, environmental, and regulatory requirements
• Participate in ongoing CTOS and manufacturer training
• Travel within and occasionally beyond assigned territory

Requirements

• High school diploma or GED
• 5+ years of related experience (field or shop technician)
• Valid driver’s license (CDL Class B preferred)
• Must provide your own mechanic tools
• Travel 25‑50% of the time
• Proficiency using documentation software and managing time effectively

Qualifications

• Enjoy working independently and solving problems in real time
• Experienced with hydraulic, mechanical, and electrical systems
• Comfortable interacting with customers and working in the field
• Seek a role where every day is different

Skills

• Electrical, hydraulics, welding, and schematic/blueprint reading
• Diagnostic software experience (QuickServe, DTNA, etc.)
• DOT, ANSI, and dielectric testing experience

Benefits

• 401(k) with employer match
• Medical, dental, vision, and life insurance
• Paid vacation, sick time, and holidays
• Short‑term & long‑term disability
• Employee Stock Purchase Plan
• Uniforms, safety boot & glasses allowance
• Tool discount programs

Pay

Competitive pay based on experience + overtime opportunities

Schedule

Travel 25‑50% of the time; most work performed on customer sites with occasional shop support.