Field Service Mechanic A

Herc Rentals•Denver, CO

About The Position

As a Field Service Mechanic A at Herc Rentals, you are a master technician who provides leadership in product knowledge and quality standards in the field. You have mastered branch-, regional-, and national-level standard operating procedures and mentor Field Service Mechanics B and C. The primary focus is leading fleet maintenance and repair at customer job sites to keep Herc Rentals equipment operational and rental-ready. This work is performed safely and professionally through preventative and corrective maintenance from a fully equipped service truck. The role includes maintaining schedules for preventive maintenance, operating and testing equipment, conducting routine repairs, and performing advanced diagnostics and repairs on engines, electrical, propane, hydraulic, fuel, lithium, and emissions systems. You also service aerial and hydraulic systems, document work, manage parts and work orders, and provide field leadership, training, and customer support.

Requirements

High school diploma or equivalent.
Valid driver's license with a clean driving record.
Ability to operate a fully equipped service truck and obtain a FMCSA-regulated Driver Qualification File (DQF).
Own a sufficient selection of hand and air/electric tools to complete most repairs and services.
Ability to drive and operate multiple types of vehicles and equipment.
Ability to safely lift up to 50 pounds.
Demonstrated mastery of all Field Service Mechanic B- and C-level tasks.
Comprehensive knowledge of electrical, hydraulic, propane, and fuel systems.
Proficiency with computerized diagnostic tools and fleet management systems.
Ability to work outdoors in varying weather conditions and job site environments.
Ability to understand detailed technical schematics, owner manuals, and product warning labels in the field.
Ability to operate and test boom lifts, forklifts, compressors, portable and stationary generators, hydraulics, pumps, and assorted tools and equipment.
Ability to follow up with customers in a timely manner and maintain a professional onsite presence.
Ability to handle assorted tools properly and safely in a field environment.
Attention to detail and strong situational awareness on active job sites.
Solid written and verbal communication skills, including the ability to open and close work orders from the field.
Strong computer skills for entering and reviewing work orders remotely.
Strong time-management skills and ability to prioritize multiple service calls.
Ability to work and communicate effectively with company personnel, customers, and job site supervisors.
Interpersonal skills to communicate effectively and efficiently, including teamwork, listening skills, and dependability.
Ability to work both indoors and outdoors as required.
Ability to sit, stand, and walk for extended periods.
Ability to perform repetitive tasks, including stretching, turning, twisting, and reaching overhead.
Ability to bend, crouch, squat, kneel, and stoop for extended periods.

Responsibilities

Maintain preventive maintenance schedules for Herc-owned fleet equipment at active job sites.
Operate and test equipment onsite before and after repairs to confirm quality standards.
Independently perform routine maintenance and repairs on fleet equipment and trucks.
Perform oil changes, lubrication, tire, hose, and battery replacements, and related field services.
Recondition or replace heavy equipment parts and diagnose wear and tear onsite.
Keep the service truck and inventory clean, organized, and stocked.
Prepare detailed service reports and repair logs for each visit.
Follow field procedures, protocols, and safety requirements.
Diagnose engines, DC electrical, propane, hydraulic, and fuel systems onsite using diagnostic and hand tools and measuring instruments.
Repair equipment using electrical schematics; inspect overvoltage protection and indicator lights.
Replace or diagnose control modules and reprogram firmware or software using laptop or tablet tools.
Use computer-controlled diagnostics to resolve electrical issues without returning equipment to the branch.
Diagnose lithium electrical issues, intermittent faults, and post-fire failures.
Diagnose and repair safety-critical circuits onsite and install aftermarket electrical components.
Diagnose DPF/DEF issues and troubleshoot and calibrate mechanical, electronic, and power-loss problems.
Conduct failure analysis to support policy review and warranty eligibility.
Analyze and test lubrication systems and replace injectors and common rail components.
Repair and reseal hydraulic cylinders and diagnose pumps, motors, wiring, and sensors.
Inspect lithium battery charging, recalibrate aerial systems, and perform annual aerial inspections.
Service emission-control components, including DPF systems, and diagnose pressure loss, overheating, and sluggish movement.
Use computerized tools to trace electrical faults, connections, switches, sensors, and safety interlocks.
Assist the shop lead with damage estimates, repairs, and onsite documentation.
Take service calls in the shop lead's absence and dispatch or coordinate Field Service Mechanics for timely repairs.
Assist with training Field Service Mechanic B and C technicians under the shop lead's direction.
Enter and review work orders and order parts through the fleet management system from the field.
Serve as the primary onsite customer contact and maintain a professional, responsive presence.