Heavy Duty Field Service Mechanic

Job Purpose

As a Field Heavy Duty Equipment Mechanic, you are a master technician and will assume a leadership role in product knowledge and standards of quality in the field. The primary focus of a Herc Rentals Field Heavy Duty Equipment Mechanic is to utilize their mechanical expertise to lead fleet maintenance and repair operations at customer job sites, ensuring Herc Rentals equipment remains operational and on the rental 'ready line'. This goal is achieved safely and professionally through an effective preventative and corrective maintenance program.

 

What you will do...

Field Fleet Maintenance Leadership

• Maintain PM schedules for Herc-owned fleet at active job sites.
• Operate/test equipment onsite to confirm quality standards before and after repairs.
• Independently perform routine maintenance and repairs on fleet equipment and trucks.
• Perform oil changes, lubrication, tire/hose/battery replacements, and related field services.
• Recondition/replace heavy equipment parts and diagnose wear/tear onsite.
• Keep service truck and inventory clean, organized, and stocked.
• Produce detailed service reports and repair logs per visit.
• Follow field procedures, protocols, and safety requirements; other duties as assigned.

 

Advanced Diagnostics & Repairs (Field)

• Diagnose engines, DC electrical, propane, hydraulic, and fuel systems onsite using diagnostic/hand tools and measuring instruments.
• Repair using electrical schematics; inspect overvoltage protection and indicator lights.
• Replace/diagnose control modules; reprogram firmware/software via laptop/tablet tools.
• Apply computer-controlled diagnostics to resolve electrical issues without branch return.
• Diagnose lithium electrical issues, intermittent faults, and post-fire failure analysis.
• Diagnose/repair safety-critical circuits to restore equipment onsite; install aftermarket electrical components.
• Diagnose DPF/DEF system issues; troubleshoot and calibrate mechanical, electronic, and power loss issues.
• Conduct failure analysis supporting policy review and warranty eligibility.
• Analyze/test lubrication systems; replace injectors and common rail components.

 

Advanced Aerial & Hydraulic Systems (Field)

• Repair/reseal hydraulic cylinders; diagnose pumps, motors, wiring, sensors.
• Inspect lithium battery charging; recalibrate aerial systems; perform annual aerial inspections.
• Service emission control components, including DPF.
• Diagnose pressure loss, overheating, sluggish movement.
• Use computerized tools to trace electrical faults, connections, switches, sensors, and safety interlocks.

 

Field Leadership & Mentorship

• Assist shop lead with damage estimates, repairs, and documentation onsite.
• Take service calls in shop lead's absence; dispatch/coordinate Field Service Mechanics for timely repairs.
• Assist training other Field Service Mechanics techs under shop lead direction.
• Enter/review work orders and order parts via fleet management system from the field.
• Serve as primary customer contact onsite, maintaining a professional, responsive presence.

 

Requirements

• Journeyman Off Road Certification or HET Red Seal in Heavy Duty.
• Must have at least 3-years’ hands on experience repairing Aerial equipment.
• Ability to be on-call every other week.
• Valid Class 5 driver’s license.
• A clean and recent driving record will be requested.

 

Skills

• Ability to work constructively under pressure.
• Ability to multi-task in a fast-paced environment
• Demonstrates initiative and strong organizational skills.
• Exceptional communication skills while maintaining a professional customer service focused attitude.
• Ability to safely lift up to 50 pounds frequently.
• Must be able to work indoors and outdoors when required of the job.
• Ability to perform repetitive tasks; stretch, turn, twist, and reach overhead; bend, crouch, squat, kneel, and stoop for extended periods of time.
• Ability to sit, stand, and walk for extended periods of time.