Job Description

Field Service Mechanic - Utility Equipment & Cranes

Custom Truck One Source (CTOS) is a leading provider of specialty trucks, equipment, rentals, parts, and service supporting the utility, telecommunications, and rail industries.

Field Service Mechanic to support customers throughout the Williston, North Dakota region. Candidates living within 50 miles of Williston are preferred. Most service work is performed within a 150-mile radius of Williston. Occasional overnight travel may be required.

• Qualified candidates relocating to the area will be considered.

If you're a Diesel Technician, Heavy Equipment Mechanic, Crane Mechanic, Mobile Mechanic, or Utility Equipment Technician who enjoys working independently and solving complex equipment issues, we'd like to hear from you.

Why Join CTOS?

✅ $5,000 Sign-On Bonus

✅ Earn $120,000-$150,000+ annually through hourly pay, overtime, and on-call opportunities

✅ Company service truck equipped with crane and welder

✅ Home most nights

✅ Company laptop, phone, fuel card, uniforms, and cold-weather gear

✅ Tool bonus and boot allowance

✅ Strong and growing customer base

What You'll Work On

• Bucket trucks and aerial devices
• Digger derricks
• Truck-mounted cranes
• Utility and vocational trucks
• Diesel-powered equipment
• Hydraulic and electrical systems
• Hi-rail and other specialty equipment

Primary Responsibilities

• Diagnose, inspect, repair, and maintain utility trucks and heavy equipment in the field
• Troubleshoot hydraulic, electrical, mechanical, and diesel engine systems
• Perform preventative maintenance and safety inspections
• Read and interpret electrical schematics and hydraulic diagrams
• Complete service documentation and repair reports
• Communicate repair recommendations with customers and management
• Perform repairs safely and in accordance with manufacturer standards

Preferred Qualifications

• 5+ years of experience as a Diesel, Heavy Equipment, Crane, Utility Equipment, or Field Service Mechanic
• Strong hydraulic and electrical troubleshooting skills
• Experience with aerial equipment, cranes, utility trucks, or construction equipment
• Ability to read electrical schematics and hydraulic diagrams
• Welding and fabrication experience preferred
• Experience with diagnostic software such as Cummins INSITE, DiagnosticLink, QuickServe, or similar platforms
• CDL Class B preferred
• DOT, ANSI, or dielectric testing experience is a plus

Requirements

• Valid driver's license
• High School Diploma or GED
• Personal mechanic tools
• Ability to work independently
• Strong customer service and communication skills

Physical Requirements

• Lift up to 50 pounds
• Work outdoors in varying weather conditions
• Frequent standing, climbing, kneeling, and bending
• Comfortable working around heavy equipment and at heights

Ideal Background

We encourage applicants with experience such as: Field Service Mechanic, Mobile Diesel Mechanic, Heavy Equipment Mechanic, Crane Mechanic, Utility Equipment Technician, Aerial Lift Technician, Fleet Mechanic, Construction Equipment Technician, Diesel Technician, or Service Truck Technician.

Apply Today

If you're looking for a long-term opportunity with a company that values skilled technicians, offers strong earning potential, and provides the tools and support needed to succeed, apply now or contact Carl at CTOS 816-912-7068 to discuss the opportunity confidentially.

Relocation candidates are welcome to apply.

Custom Truck One Source is an Equal Opportunity Employer.

Please note: CTOS does not provide sponsorship for employment authorization. Candidates must be authorized to work in the United States without current or future sponsorship requirements.