Fleet Mechanic B: Preventive Maintenance & Diagnostics

Herc Rentals; Saint Peters (MO); On-site; USD 37,000 - 50,000; Full time

Job summary

Herc Rentals is hiring an intermediate Mechanic B to uphold preventative maintenance and complex diagnostics for a broad fleet. You will work on cooling, fuel, electrical, and hydraulic systems, using computerized tools to trace faults and prepare detailed service logs.

The role emphasizes safety, mentorship to Mechanic C technicians, and adherence to OEM standards while supporting branch operations and fleet readiness.

Qualifications

• High school diploma or equivalent.
• Own a sufficient selection of hand and air/electric tools.
• Ability to drive and operate multiple equipment types.
• Proficiency in electrical and hydraulic systems; read schematics.

Responsibilities

• Perform preventative maintenance on fleet on a branch basis.
• Diagnose and repair cooling, fuel, electrical, and hydraulic systems.
• Use computerized tools to trace electrical faults and service logs.
• Maintain a safe, clean work area and assist in training junior technicians.
• Inspect and replace components such as sensors, pumps, belts, and hoses.

Skills

Operate equipment

Diagnostics

Electrical systems

Read schematics

Time management

Teamwork

Communication

Education

High school diploma or equivalent

Tools

Boom lifts

Forklifts

Compressors

Generators

Electrical testing tools

Job description

Herc Rentals is hiring an intermediate Mechanic B to uphold preventative maintenance and complex diagnostics for a broad fleet. You will work on cooling, fuel, electrical, and hydraulic systems, using computerized tools to trace faults and prepare detailed service logs.

The role emphasizes safety, mentorship to Mechanic C technicians, and adherence to OEM standards while supporting branch operations and fleet readiness.