Field Service Mechanic - Diesel, Utility Equipment

About the role

Custom Truck One Source (CTOS) is hiring a Field Service Mechanic within 60 miles of Orlando. The company provides a utility service truck (crane, welder, compressor), company phone, computer, and diagnostic tools, along with strong benefits, paid time off, 401(k) match, uniforms, safety gear allowance, tool discounts, and more. Candidates should bring their mechanical skills, own tools, and a valid driver’s license (CDL preferred); CTOS will provide the rest needed to thrive.

Responsibilities

• Troubleshoot, repair, and maintain Bucket trucks / aerial devices
• Troubleshoot, repair, and maintain Digger derricks
• Troubleshoot, repair, and maintain Truck‑mounted cranes (LMI & CAN‑bus systems)
• Troubleshoot, repair, and maintain Hydraulic utility equipment & major components
• Troubleshoot, repair, and maintain 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 your assigned territory

Qualifications

• You enjoy working independently and solving problems in real time
• You’re experienced with hydraulic, mechanical, and electrical systems
• You’re comfortable interacting with customers and working in the field
• You want 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

Requirements

• High school diploma or GED
• 5+ years of related experience (field or shop tech)
• Valid driver’s license (