Job Description

We are seeking an experienced and self-motivated Mobile Service Technician to diagnose, maintain, and repair automotive, medium-duty, and heavy-duty vehicles, including fire apparatus and emergency medical service (EMS) vehicles.

This field-based position requires strong mechanical and electrical diagnostic skills, the ability to troubleshoot complex equipment, and a commitment to delivering high-quality service at customer locations. The ideal candidate is a dependable, hands-on technician who can work independently, manage service calls efficiently, and provide exceptional customer service.

Key Responsibilities

• Diagnose, troubleshoot, and repair gasoline and diesel-powered vehicles, including fire trucks, ambulances, and other emergency response equipment.

• Perform mechanical repairs on engines, transmissions, drivetrains, steering, suspension, and braking systems.

• Diagnose and repair electrical systems, wiring, alternators, starters, batteries, electronic control modules, and related components.

• Service and repair air and hydraulic brake systems.

• Diagnose, repair, and maintain vehicle air-conditioning and cooling systems.

• Inspect, maintain, and repair fuel systems, including fuel pumps, injectors, and related components.

• Service fire apparatus equipment, including pumps, generators, compressors, hydraulic tools, and emergency lighting.

• Perform fire pump repairs and testing in accordance with applicable NFPA standards.

• Complete preventive maintenance inspections and services to ensure vehicle reliability and operational readiness.

• Install, maintain, and repair specialized emergency vehicle equipment and accessories.

• Perform tire repairs, replacements, and related chassis maintenance.

• Travel to customer locations to perform scheduled maintenance, emergency repairs, and service calls.

• Accurately document diagnostics, repairs, labor, and parts used.

• Maintain an organized, properly stocked service vehicle and ensure company tools and equipment remain in good working condition.

• Communicate professionally with customers and management regarding repair recommendations, service progress, and equipment concerns.

• Follow all established safety procedures and quality standards.

Qualifications

• High school diploma or GED required.

• Minimum 3 years of automotive or diesel mechanical repair experience.

• Experience servicing medium-duty or heavy-duty trucks strongly preferred.

• Experience with fire apparatus, ambulances, emergency vehicles, or specialized fleet equipment is a plus.

• Strong troubleshooting abilities involving mechanical, electrical, hydraulic, and pneumatic systems.

• Working knowledge of gasoline and diesel engines, drivetrains, braking systems, and electrical components.

• Proficiency with diagnostic scanners, electrical testing equipment, hand tools, and power tools.

• Ability to interpret technical manuals, schematics, and service documentation.

• ASE and/or Emergency Vehicle Technician (EVT) certifications preferred but not required.

• Willingness to obtain ASE/EVT certification in at least two areas within 18 months of employment.

• Valid driver's license required; ability to obtain the required Class D license with E endorsement within the introductory period.

• Ability to work independently, prioritize assignments, and provide professional customer service.

• Willingness to work overtime, weekends, standby shifts, or emergency callouts as needed.