Mobile Heavy Equipment and Diesel Mechanic

Job overview

The Mobile Heavy Equipment and Diesel Mechanic role is onsite in Fort Worth, TX, with most work performed at customer sites and occasional shop support. Compensation is described as competitive pay based on experience, with overtime opportunities; no numeric amount is specified. The role supports Custom Truck One Source customers by maintaining specialized truck-mounted equipment and reducing equipment downtime. The role exists to diagnose, repair, and maintain hydraulic, mechanical, electrical, and diesel systems in field conditions, helping customers keep specialized equipment operational and safe.

What you'll do

• Troubleshoot, repair, and maintain bucket trucks, aerial devices, digger derricks, truck-mounted cranes, hydraulic utility equipment, and truck chassis
• perform inspections, preventive maintenance, and onsite diagnostics
• interpret manuals, schematics, and repair orders
• use diagnostic software
• complete repair orders, timecards, and inspection forms
• communicate with customers and company teams
• follow safety, environmental, and regulatory requirements
• participate in company and manufacturer training
• travel within and occasionally beyond the assigned territory.

What we're looking for

Skills & competencies

mobile heavy equipment mechanic

diesel mechanic

field service

hydraulics

truck-mounted cranes

bucket trucks

digger derricks

fort worth tx

custom truck one source

overtime opportunities

cdl class b preferred

Work arrangement

• Weekend coverage required

Benefits & perks

• 401(k) with employer match
• medical, dental, vision, and life insurance
• paid vacation, sick time, and holidays
• short- and long-term disability
• employee stock purchase plan
• uniforms
• safety gear allowance
• tool discounts.

Why this role

Company-provided utility service truck, phone, computer, and diagnostic tools; mechanic must provide personal tools.

About the employer

Custom Truck One Source is hiring for this role. Industry: Commercial and Industrial Machinery and Equipment (except Automotive and Electronic) Repair and Maintenance. Sector: 81.