Field Service Mechanic

Job Description

Job Description

Custom Truck One Source (CTOS) is seeking an experienced Field Service Technician to support customers throughout Baltimore, Hagerstown, and Washington, DC region.

Y ou’ll be the go-to expert diagnosing and repairing specialized utility trucks and equipment in the field , including bucket trucks, digger derricks, cranes, service trucks, and other utility and construction equipment .

What You'll Do

• Diagnose, troubleshoot, and repair heavy equipment, utility equipment, and trucks at customer locations.
• Perform mechanical, hydraulic, electrical, and pneumatic repairs.
• Conduct preventative maintenance and inspections to maximize equipment uptime.
• Road test equipment after repairs to ensure proper operation and safety.
• Document repairs accurately and communicate service updates professionally with customers and internal teams.
• Manage service calls efficiently while working independently in the field.
• Safely operate, maintain, and inventory a company-provided service truck.
• Collaborate with the CTOS Field Service team to deliver exceptional customer support.

What We're Looking For

• Experience as a Field Service Technician related experience (Heavy Equipment, Truck or Utility Equipment Technician.)
• Class B CDL required.
• Strong troubleshooting and diagnostic skills in mechanical, hydraulic, and electrical systems.
• Proven ability to diagnose and repair equipment independently in the field.
• Strong documentation, organizational and time-management skills.
• Professional communication and customer service skills.
• Valid driver's license with an acceptable driving record.
• Ability to travel throughout the Baltimore, Hagerstown, and Washington, DC service territory, including occasional overnight travel.

Why Join CTOS?

• Remote, field-based position with the flexibility of working from home.
• Company-provided, fully equipped service truck. (Crane, Compressor, Welder, Phone, Computer)
• Opportunity to work on specialized utility and heavy equipment.
• Stable workload supporting a major customer base and additional CTOS clients throughout the region.
• Competitive compensation and comprehensive benefits package.
• Overtime opportunities available.
• Career growth with an established industry leader operating at more than 40 locations and employing over 2,600 team members nationwide.

About Custom Truck One Source

Custom Truck One Source (CTOS) is a leading provider of specialized trucks, equipment, parts, rentals, upfitting, aftermarket accessories, and service solutions. For more than 30 years, CTOS has served the utility, telecommunications, rail, forestry, oil & gas, and construction industries with innovative equipment and unmatched customer support.

If you're a skilled technician who enjoys working independently, solving complex equipment issues, and delivering exceptional service, we encourage you to apply today and join the CTOS team.

You should be proficient in:

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

Machines & technologies you'll use:

• Diesel Engine (Detroit Diesel, Cummins, PACCAR)
• Diesel Vehicles
• Box Trucks (Ford, Peterbilt, Kenworth, Freightliner, Isuzu, Hino)
• Crane
• Boom Truck (Terex, Altec, Elliott, National Crane, Load King)
• Digger Derrick (Terex, Altec, Elliott)
• Aerial Devices
• Boom Crane
• Refuse Truck
• Service Truck