Field Service Mechanic - Utility Trucks

Custom Truck One Source (CTOS) 2370 English Street, St. Paul, MN 55109

CTOS is a leading provider of utility trucks and heavy equipment solutions with over 30 years of experience. With 40+ locations, 2,500+ employees, and a fleet of 10,000+ units, we design, assemble, sell, rent, and service specialized equipment for major utility, telecom, construction, forestry, oil & gas, and rail companies across the U.S. and Canada.

Field Service Technician / Mechanic

We are hiring experienced Field Service Technicians with a strong background in hydraulics, electrical systems, and diesel equipment. This role involves inspecting, maintaining, and repairing truck-mounted equipment in the field.

Equipment & OEMs

Load King, Terex, Versalift, Palfinger, Freightliner, Peterbilt, Ford

• Boom Trucks, Cranes, Bucket/Dump Trucks
• Digger Derricks, Utility Trucks, and related equipment

Schedule & Perks

• Monday-Friday (day shift); overtime and weekends as needed
• Travel as required (minimum est <15%)
• Company-provided service truck (welder, crane, compressor, laptop, phone)
• Competitive pay + full benefits (healthcare, PTO, 401k match, training, uniforms, boot/glasses allowance, tool discounts)
• Technician provides own tools; CDL Class B preferred

Summary

Perform troubleshooting, diagnostics, repair, and maintenance on aerial equipment, cranes, digger derricks, and related machinery in the field, in accordance with CTOS and manufacturer standards.

Key Responsibilities

• Diagnose, repair, and maintain hydraulic, electrical, and mechanical systems
• Troubleshoot LMI (Load Moment Indicator) and CAN bus systems
• Perform inspections, preventive maintenance, and testing of equipment
• Disassemble, repair, and rebuild components (cylinders, gearboxes, outriggers)
• Operate and test equipment to verify repairs
• Complete work orders, inspections, and documentation accurately
• Communicate repair status and additional needs to management
• Ensure compliance with DOT, ANSI, and safety standards
• Work safely and maintain professionalism with customers and team members
• Attend required training and safety meetings

Required Qualifications

• High school diploma or GED
• 5+ years of related technician experience (shop and/or field)
• Strong skills in hydraulics, electrical systems, and diesel equipment
• Ability to read schematics and use diagnostic software (e.g., QuickServe, DTNA)
• Valid driver's license (CDL Class B preferred)
• Own tools
• Strong documentation and communication skills

Preferred

• Welding experience
• Knowledge of pneumatic systems
• DOT, ANSI, and dielectric testing experience

Physical Requirements

• Ability to work outdoors in varying weather conditions
• Lift, push, and pull up to 50 lbs
• Comfortable working at heights and performing manual labor
• Manual dexterity for tools and equipment

Benefits

• 401(k) with company match
• Medical, dental, vision, and life insurance
• Paid time off (vacation, sick, holidays)
• Short- and long-term disability
• Employee development programs
• Tool discount program

Custom Truck One Source is an Equal Opportunity Employer. We do not offer sponsorship; candidates must be authorized to work in the U.S.