Mobile Mechanic - Class B CDL

CalmHR Inc; Boyertown (Berks County); On-site; USD 55,000 - 85,000; Full time

Job summary

First Response Rail Service, Inc. seeks a dependable Mobile Railcar Repair Technician to inspect, maintain, and repair railcars at customer sites using a company-owned Freightliner service truck.

The role blends hands-on mechanical and welding work with safe operation of a commercial vehicle, requiring strong problem-solving, documentation, and adherence to DOT, FRA, and OSHA safety rules. Occasional outdoor work in varying weather is required.

Qualifications

• Valid Class B CDL with acceptable driving record.
• DOT medical and commercial driving requirements must be met.
• Welding or mechanical experience preferred.

Responsibilities

• Safely operate a Freightliner service truck to and from customer sites, rail yards, and repair locations.
• Perform mobile inspections, maintenance, and repairs on freight railcars.
• Diagnose mechanical problems and determine appropriate repairs.
• Repair or replace railcar components, including brake systems, couplers, draft systems, doors, handrails, safety appliances, and related equipment.
• Perform welding, cutting, grinding, fabrication, and mechanical work as assigned.
• Load, secure, transport, and maintain tools, equipment, materials, and repair parts.
• Complete required pre-trip and post-trip vehicle inspections.
• Maintain accurate driver logs, inspection forms, repair records, and service documentation.
• Follow all DOT, FRA, OSHA, customer-site, and company safety requirements.
• Use proper personal protective equipment and maintain a clean, organized service truck and work area.
• Respond to emergency or after-hours mobile repair calls when required.
• Communicate professionally with customers, supervisors, dispatchers, and other employees.

Skills

CDL (Class B)

Welding experience

Mechanical experience

Safety-conscious

Read work orders

Travel readiness

Job description

About this position

Description: First Response Rail Service, Inc. is seeking a dependable and safety-focused Mobile Railcar Repair Technician who will travel to customer locations in a company-owned Freightliner service truck to inspect, maintain, and repair railcars. This position combines hands‑on mechanical and welding work with the safe operation of a commercial vehicle.

Essential Duties and Responsibilities

• Safely operate a Freightliner service truck to and from customer sites, rail yards, and repair locations.
• Perform mobile inspections, maintenance, and repairs on freight railcars.
• Diagnose mechanical problems and determine appropriate repairs.
• Repair or replace railcar components, including brake systems, couplers, draft systems, doors, handrails, safety appliances, and related equipment.
• Perform welding, cutting, grinding, fabrication, and mechanical work as assigned.
• Load, secure, transport, and maintain tools, equipment, materials, and repair parts.
• Complete required pre‑trip and post‑trip vehicle inspections.
• Maintain accurate driver logs, inspection forms, repair records, and service documentation.
• Follow all DOT, FRA, OSHA, customer‑site, and company safety requirements.
• Use proper personal protective equipment and maintain a clean, organized service truck and work area.
• Respond to emergency or after‑hours mobile repair calls when required.
• Communicate professionally with customers, supervisors, dispatchers, and other employees.

Requirements

Qualifications

• Valid Class B Commercial Driver's License (CDL) with an acceptable driving record.
• Must meet all applicable DOT medical and commercial-driving requirements.
• Previous railcar repair, diesel, heavy-equipment, industrial maintenance, welding, or mechanical experience preferred.
• Ability to safely operate a Freightliner service truck and related equipment.
• Welding and fabrication experience preferred.
• Ability to read work orders, inspection reports, safety procedures, and basic technical documents.
• Must be dependable, safety-conscious, and able to work independently in the field.
• Must be willing to travel and work outdoors in varying weather conditions.
• Ability to pass all required background checks, drug screenings, and customer-site requirements.

Physical Requirements

• Regularly stand, walk, climb, bend, kneel, crouch, reach, push, and pull.
• Frequently lift and carry tools, parts, and materials weighing up to 50 pounds; heavier lifting may require assistance.
• Safely enter and exit commercial vehicles and access rail equipment.
• Work around moving equipment, uneven surfaces, loud noise, welding fumes, and changing weather conditions.
• Wear required PPE, including steel-toe boots, safety glasses, gloves, hearing protection, high-visibility clothing, and welding protection.