Heavy Equipment Field Service Specialist (Utility Fleets)

Ready to be the person crews call first? At Custom Truck One Source (CTOS), we’re looking for a field specialist to keep utility fleets moving across Baltimore, Hagerstown, and Washington, DC.

Is This You?

• Do you enjoy diagnosing mechanical, hydraulic, electrical, and pneumatic systems in the field?
• Can you confidently tackle repairs on bucket trucks, digger derricks, cranes, and service trucks—then road test to confirm the fix?
• Are you organized, great with documentation, and comfortable communicating solutions directly to customers?
• Do you want a remote, field-based role with a company-provided truck and steady work?

What You’ll Do

• Diagnose, troubleshoot, and repair heavy equipment, utility equipment, and trucks at customer sites.
• Perform mechanical, hydraulic, electrical, and pneumatic system repairs.
• Conduct preventative maintenance and inspections to maximize uptime.
• Road test post-repair to ensure safety and performance.
• Document work thoroughly and communicate status updates with customers and internal teams.
• Independently manage service calls, time, and parts inventory in a company-provided service truck.
• Partner with the CTOS Field Service team to deliver consistent, high-quality support.

What You Bring

• Experience as a Field Service, Heavy Equipment, Truck, or Utility Equipment Technician.
• Class B CDL required.
• Strong troubleshooting skills across mechanical, hydraulic, and electrical systems.
• Demonstrated ability to work independently in the field.
• Excellent organization, documentation, and time-management.
• Professional communication and customer service skills.
• Valid driver’s license with an acceptable driving record.
• Willingness to travel throughout Baltimore, Hagerstown, and Washington, DC, with occasional overnight travel.

Equipment & Tech You’ll Work With

• Diesel engines: Detroit Diesel, Cummins, PACCAR
• Diesel vehicles and box trucks: Ford, Peterbilt, Kenworth, Freightliner, Isuzu, Hino
• Cranes, boom cranes, and aerial devices (bucket trucks)
• Boom trucks: Terex, Altec, Elliott, National Crane, Load King
• Digger derricks: Terex, Altec, Elliott
• Refuse and service trucks

Perks & Benefits

• Remote, field-based role—work from home and dispatch to customer sites.
• Company-provided, fully equipped service truck (crane, compressor, welder, phone, computer).
• Opportunity to work on specialized utility and heavy equipment.
• Stable workload serving major accounts and additional CTOS clients across the region.
• Competitive compensation and comprehensive benefits package.
• Overtime opportunities available.
• Career growth with an industry leader operating in 40+ locations with 2,600+ employees.

Core Proficiencies

• Heavy Equipment Repair
• Hydraulics Experience
• Light Vehicle Diesel Engines
• Diesel & Heavy Equipment Systems
• Electrical Systems & Diagnostics (Heavy Equipment)
• Current CDL License

About CTOS

Custom Truck One Source (CTOS) is a leader in specialized trucks, equipment, parts, rentals, upfitting, aftermarket accessories, and service. For more than 30 years, CTOS has supported the utility, telecommunications, rail, forestry, oil & gas, and construction markets with innovative gear and exceptional customer service.

If you’re a skilled technician who enjoys independence, complex diagnostics, and customer-facing work, apply today and make an impact with CTOS.