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.