Key Responsibilities and Required Skills for Generator Technician

🎯 Role Definition

Are you a technical expert with a passion for power systems? We're looking for a highly motivated and experienced Generator Technician to be the frontline of our service operations. In this critical role, you will be responsible for ensuring the peak performance and reliability of our clients' power generation systems, including diesel, natural gas, and propane-powered generators, automatic transfer switches (ATS), and associated control systems. You will travel to various client sites to perform everything from routine preventive maintenance to complex emergency repairs, acting as a trusted advisor and a key representative of our company's commitment to quality and service excellence. This is a hands-on position for a problem-solver who thrives in a dynamic environment and enjoys the challenge of keeping the power on.

📈 Career Progression

Typical Career Path

Entry Point From:

Diesel Mechanic or Heavy Equipment Technician
Industrial or Commercial Electrician
Military Power Generation Specialist (e.g., US Army 91D, Air Force 3E0X2)
Automotive Technician with strong diagnostic skills

Advancement To:

Lead Generator Technician or Senior Technician
Field Service Supervisor or Team Lead
Service Manager
Technical Trainer or Product Support Specialist

Lateral Moves:

Uninterruptible Power Supply (UPS) Technician
HVAC/R Technician
Industrial Maintenance Mechanic

Core Responsibilities

Primary Functions

Perform routine scheduled preventive maintenance on a wide variety of industrial and commercial generator sets, including fluid and filter changes, belt adjustments, and comprehensive system inspections.
Diagnose and troubleshoot complex mechanical and electrical failures in power generation systems, including engines (diesel, natural gas), alternators, control panels, and voltage regulators.
Execute major and minor repairs on engines and electrical systems, from component replacement to more involved overhauls, both in the field and in the shop.
Conduct comprehensive load bank testing to verify generator output, functionality, and endurance under full load conditions, meticulously documenting all performance data.
Respond promptly and professionally to emergency service calls, often outside of normal business hours, to restore power for critical facilities.
Read, interpret, and apply complex electrical schematics, wiring diagrams, and technical manuals to effectively diagnose and repair equipment.
Install, commission, and test new generator sets and automatic transfer switches (ATS) at customer locations, ensuring all systems operate according to manufacturer specifications and local codes.
Troubleshoot, repair, and program Automatic Transfer Switches (ATS) and paralleling switchgear to ensure seamless power transition during outages.
Utilize advanced diagnostic tools and software (e.g., Cummins InSite, CAT ET) to interface with engine and control modules for fault finding and parameter adjustment.
Complete detailed and accurate service reports, timecards, and parts orders in a timely manner using mobile field service software.
Maintain a professional and courteous demeanor when interacting directly with customers, clearly explaining diagnoses, proposed repairs, and completed work.
Perform warranty repairs in accordance with manufacturer guidelines, ensuring all required documentation and procedures are followed for successful claim submission.
Ensure all work is performed in strict compliance with company, industry, and client safety standards, including LOTO (Lockout/Tagout) procedures and PPE usage.
Manage and maintain the inventory of parts, tools, and equipment on an assigned service vehicle, ensuring it is clean, organized, and ready for dispatch.
Calibrate and adjust generator controls and protective relays to ensure optimal performance and safe operation of the equipment.
Perform advanced diagnostics on AC and DC electrical systems, control circuits, and communication networks between various system components.

Secondary Functions

Provide on-site customer training on the basic operation and monitoring of their power generation equipment.
Assist senior technicians or project managers on large-scale installation projects, upgrades, or complex multi-unit repairs.
Participate in a rotating on-call schedule to provide 24/7 emergency service coverage for our valued clients.
Stay current with emerging technologies, new products, and updated service protocols through continuous manufacturer-led and in-house training.
Support the sales team by identifying opportunities for equipment upgrades, replacements, or enhanced service agreements during client interactions.

Required Skills & Competencies

Hard Skills (Technical)

Diesel and Gas Engine Expertise: Deep knowledge of the theory, repair, and maintenance of industrial diesel and natural gas engines.
AC/DC Electrical Theory: Strong understanding of electrical principles, including voltage, current, resistance, and power, as applied to generator systems.
Schematic and Blueprint Reading: Ability to proficiently read and interpret electrical wiring diagrams, control schematics, and mechanical drawings.
ATS and Switchgear Diagnostics: Proven experience in troubleshooting, servicing, and testing automatic transfer switches and paralleling switchgear.
Load Bank Testing: Competency in setting up and conducting load bank tests to verify generator performance and stability.
Diagnostic Software Proficiency: Experience using OEM diagnostic software (e.g., for Cummins, Caterpillar, Generac, Kohler) to connect with and diagnose electronic controls.
PLC and Control Systems: Familiarity with programmable logic controllers (PLCs) and other microprocessor-based control systems used in modern generators.
Mechanical Systems Repair: Skilled in the hands-on repair of mechanical components, including fuel systems, cooling systems, and exhaust systems.

Soft Skills

Critical Thinking & Problem-Solving: Exceptional ability to logically analyze complex technical problems and develop effective, efficient solutions under pressure.
Customer Service & Communication: Strong interpersonal skills with the ability to clearly and professionally communicate technical information to non-technical clients.
Independent Work Ethic: Self-motivated and able to manage time and tasks effectively with minimal supervision in a field environment.
Attention to Detail: Meticulous in performing diagnostics, repairs, and completing required documentation to ensure accuracy and quality.
Safety Consciousness: A steadfast commitment to maintaining a safe work environment for oneself, colleagues, and clients at all times.
Adaptability: Flexible and able to adapt to changing schedules, unexpected challenges, and diverse work environments.

Education & Experience

Educational Background

Minimum Education:

High School Diploma or GED equivalent.

Preferred Education:

Associate's Degree, Technical Diploma, or Vocational Certificate from an accredited institution.
EGSA (Electrical Generating Systems Association) Technician Certification is highly desirable.

Relevant Fields of Study:

Diesel Technology
Power Generation Technology
Electrical Technology
Heavy Equipment Mechanics

Experience Requirements

Typical Experience Range:

3-7 years of direct, hands-on experience as a generator technician or in a closely related field (e.g., diesel mechanic, industrial electrician).

Preferred:

Direct field service experience working on a variety of major generator brands such as Caterpillar, Cummins, Generac, and Kohler.
A valid driver's license with a clean driving record is required.
Experience in a customer-facing role is strongly preferred.