Generator Mechanic

Summary

The Generator Mechanic is responsible for inspecting, maintaining, troubleshooting, and repairing emergency standby power generation systems ranging from 10 kW to 3000 kW. This role supports mission‑critical infrastructure by ensuring generators and associated equipment remain fully operational and compliant with safety and performance standards. The position requires hands‑on experience with multiple generator manufacturers—including Cummins, Caterpillar, Kohler, Generac, and Briggs & Stratton—as well as knowledge of automatic transfer switches (ATS) and power distribution systems.

• Perform preventive maintenance and corrective repairs on diesel and gaseous standby generators ranging from 10 kW to 3000 kW.
• Diagnose mechanical, electrical, and control system issues using schematics, diagnostic tools, and manufacturer software.
• Inspect, test, and maintain automatic transfer switches (ATS) and associated switch gear.
• Conduct load bank testing, operational testing, and system commissioning activities.
• Troubleshoot engine systems, including fuel, cooling, air intake, exhaust, and lubrication systems.
• Perform electrical troubleshooting, including battery systems, charging systems, control wiring, and output systems.
• Interpret technical manuals, wiring diagrams, and manufacturer specifications for accurate repairs.
• Maintain accurate service records, inspection reports, and maintenance logs in accordance with company or contract requirements.
• Ensure compliance with OSHA, NFPA (including NFPA 70 and NFPA 110), and site‑specific safety standards.
• Coordinate with facility managers and operations teams to schedule maintenance and minimize downtime.
• Respond to emergency service calls and provide rapid troubleshooting and repair support.

• Working knowledge of diesel and natural gas/propane engine‑driven generator systems.
• Familiarity with major generator manufacturers:
  Cummins, Caterpillar, Kohler, Generac, Briggs & Stratton.
• Understanding of automatic transfer switches (ATS), paralleling systems, and basic power generation principles.
• Ability to read and interpret electrical schematics, wiring diagrams, and technical manuals.
• Experience with generator controllers (e.g., Deep Sea, Com Ap, CAT EMCP, Cummins Power Command) is highly desirable.
• Proficiency with diagnostic tools, multimeters, and load testing equipment.
• Strong mechanical and electrical troubleshooting skills.
• Basic computer skills for reporting, documentation, and diagnostic software use.
• Ability to work independently and prioritize tasks in a field environment.
• Valid driver’s license required.
• 3–5 years of experience in generator maintenance, heavy equipment, or related mechanical/electrical field preferred.
• Military or government facility maintenance experience is a plus.

• Must be able to lift 50 lbs, squat, bend, stoop, and kneel for short periods, climb a ladder, stand for long periods, and perform constant arm extensions.
• Occasional exposure to heat, cold, noise, dust, dirt, chemicals, with minor safety hazards such as cuts or bruises.
• Work a modified schedule to monitor generators.

Compensation: $37.62 per hour.
Benefits: Competitive medical, well‑being, financial planning, short‑term incentive benefits, and other standard employee benefits.

This description is not intended to be an “all inclusive” list of the accountabilities of the job described. Some aspects of this job may change over time, according to business needs. Requirements stated represent the minimum levels of knowledge, skills and/or abilities to qualify and satisfactorily perform this job. This document should not be construed as creating a contract of employment between J&J Worldwide Services and any of its employees or otherwise altering an employee’s at‑will employment relationship with CBRE.