Senior Technician

Overview

Advanced Power Systems Technician - Fresno, CA

Pay Range: $37.88 – $41.16 per hour

Quinn Company is seeking an experienced and highly skilled Advanced Power Systems Technician to join our team in Fresno, CA. This opportunity is ideal for a technician who enjoys solving complex mechanical and electrical challenges, working independently, and applying advanced diagnostic skills to a variety of diesel and natural gas power generation equipment.

In this role, you will perform advanced troubleshooting, maintenance, repairs, and commissioning of Caterpillar and other leading power generation systems. You will work with generator sets, industrial engines, electrical controls, automatic transfer switches, and power management equipment while helping customers maintain reliable, uninterrupted power.

Wages

Starting wage for an Senior Technician will depend on experience and education. $37.88- $47.16

Responsibilities

• Diagnose and repair complex mechanical, electrical, and electronic issues on Caterpillar and other manufacturers' power generation equipment.

• Perform advanced troubleshooting and major and minor repairs on diesel and natural gas engines, generator sets, alternators, and related components.

• Utilize Caterpillar Electronic Technician (Cat ET), diagnostic software, and specialized testing equipment to accurately identify equipment failures.

• Troubleshoot electrical systems, generator controls, automatic transfer switches (ATS), voltage regulators, governors, and power management systems.

• Perform generator startup, commissioning, load bank testing, and operational verification to ensure equipment reliability and performance.

• Independently diagnose and resolve equipment issues in the field while delivering professional, high-quality customer service.

• Perform preventive maintenance and comprehensive inspections on standby, prime, and continuous-duty power generation systems.

• Inspect, repair, recondition, and rebuild engines, generators, and associated electrical and mechanical components.

• Read and interpret electrical schematics, wiring diagrams, service manuals, and technical specifications to support accurate diagnostics and repairs.

• Identify root causes of equipment failures and recommend effective, long-term repair solutions.

• Complete detailed service reports, document diagnostic findings, and provide accurate repair recommendations.

• Serve as a technical resource by sharing expertise, assisting with complex repairs, and mentoring developing technicians.

• Follow all company safety procedures, including proper PPE usage, hazard identification, and lockout/tagout requirements.

• Participate in emergency service calls, on-call rotations, overtime, and alternate shifts as business needs require.

• Travel to customer locations and participate in technical training as required.

• Perform other duties as assigned.

• Advanced knowledge of diesel and natural gas engines, industrial generator sets, and power generation systems.

• Demonstrated experience performing complex diagnostics and both minor and major engine repairs.

• Strong understanding of AC/DC electrical systems, generator controls, and electrical troubleshooting.

• Ability to interpret electrical schematics, wiring diagrams, and technical service documentation.

• Experience using Cat ET or comparable diagnostic software, multimeters, and electrical testing equipment.

• Knowledge of generator controls, ATS systems, voltage regulators, and related power management equipment.

• NFPA 70E certification.

• Ability to independently troubleshoot, diagnose, and complete repairs with minimal supervision.

• Strong mechanical aptitude, problem-solving abilities, and attention to detail.

• Excellent communication and customer service skills.

• Commitment to safe work practices and quality workmanship.

• Ability to lift up to 50 pounds and perform physical tasks associated with equipment maintenance and repair.

• Five or more years of hands-on experience diagnosing, troubleshooting, and repairing industrial power generation equipment.

• Experience servicing Caterpillar or other manufacturers' diesel and natural gas generator sets.

• Advanced experience with diesel and gas engine diagnostics, electrical controls, and major component repairs.

• Experience with automatic transfer switches, switch gear, paralleling controls, and power management systems.

• Experience performing load bank testing, generator commissioning, and emergency power system troubleshooting.

• EGSA certification or equivalent power…