Mobile Utility Fleet Service Technician

Job Description

Job Description

Mobile Utility Fleet Service Technician — I-70 Corridor (Baltimore/Hagerstown, MD)

Custom Truck One Source (CTOS) is looking for a field-savvy technician who thrives on solving complex equipment challenges right where the work happens.

Picture this: You’re rolling down I‑70, heading to a customer site in Baltimore or Hagerstown. On arrival, you diagnose a hydraulic fault on a bucket truck, verify an electrical repair on a digger derrick, road-test a crane truck for safety, and wrap up the day documenting your work and updating the customer with confidence. If that sounds like your perfect day, you’ll feel right at home here.

What You’ll Tackle

• Diagnose, troubleshoot, and repair utility trucks and heavy equipment on customer sites across Baltimore, Hagerstown, and the broader Washington, DC service area.
• Work across systems: mechanical, hydraulic, electrical, and pneumatic.
• Perform scheduled inspections and preventative maintenance to keep fleets mission-ready.
• Conduct road tests after repairs to confirm performance and safety.
• Accurately document service actions and communicate status updates to customers and CTOS teams.
• Manage your field schedule and service calls independently.
• Safely operate, maintain, and inventory a company-provided service truck.
• Collaborate with the CTOS Field Service team to deliver best-in-class support.

Equipment You’ll See

Specialized utility and construction equipment including bucket trucks, digger derricks, cranes, service trucks, and more.

What You Bring

• Hands-on experience as a Field Service Technician in heavy equipment, trucks, or utility equipment.
• Must hold a Class B CDL.
• Advanced diagnostic ability in mechanical, hydraulic, and electrical systems.
• Proven success working independently in the field.
• Strong documentation, organization, and time management skills.
• Clear, professional communication and customer service skills.
• Valid driver’s license with an acceptable driving record.
• Willingness to travel throughout Baltimore, Hagerstown, and the Washington, DC territory, with occasional overnight trips.

Why You’ll Love Working Here

• Remote, field-based role with home-base flexibility.
• Fully outfitted service truck provided (crane, compressor, welder) plus phone and computer.
• Hands-on work with specialized utility and heavy equipment.
• Consistent workload supporting major customers and CTOS clients across the region.
• Competitive pay and a comprehensive benefits package.
• Overtime available.
• Growth potential with a national leader operating from 40+ locations and employing 2,600+ team members.

Core Proficiencies

• Heavy equipment repair
• Hydraulic systems expertise
• Diesel and heavy equipment systems
• Electrical systems and diagnostics (heavy equipment)
• Aerial and utility equipment systems
• DOT and equipment inspection compliance
• Electrical schematic reading

Tools, Machines & Technologies You’ll Work With

• Diesel engines
• Diesel vehicles (Ford)
• Box trucks (Peterbilt, Kenworth, Freightliner)
• Cranes (Konecranes)
• Boom trucks (Terex, Altec, Elliott, National Crane, Load King)
• Digger derricks (Elliott)
• Boom cranes
• Refuse trucks
• Hi-Rail trucks
• Power Take-Off (PTO)

About Custom Truck One Source

For 30+ years, CTOS has delivered specialized trucks, equipment, parts, rentals, upfitting, aftermarket accessories, and service to the utility, telecommunications, rail, forestry, oil & gas, and construction markets—backed by innovative solutions and unmatched support.

If you’re an independent problem-solver who takes pride in fieldwork and customer care, apply today and join the CTOS team.

EOE