Commercial Generator Mechanic

Overview

Maintain and repair commercial standby generators for clients across Southern California.

Key Responsibilities

• generator inspection
• routine maintenance
• load testing
• technical documentation
• client communication
• user training

Tasks

-Operate a company vehicle and complete fleet maintenance reports as required -Maintain accurate records of all inspections, maintenance, and repair work performed -Visually inspect and diagnose issues with natural gas and/or gasoline-powered standby commercial generators -Communicate effectively with management, team members, and clients to ensure clear understanding of service needs and solutions -Provide service and repair recommendations to maintain equipment in optimal working condition -Perform routine maintenance tasks, including oil changes, filter replacements, battery replacements, and servicing of belts, spark plugs, and other mechanical components -Conduct load bank testing to ensure generator performance under load -Read and interpret technical manuals, schematics, and wiring diagrams -Educate end users on proper generator operation and basic maintenance procedures

Requirements

• generator systems
• ats
• dc/ac
• 8 years
• nfpa 70e
• teamwork

What You Bring

-Demonstrate knowledge and experience with CAT, Cummins, Generac, Kohler, or Detroit Diesel generator systems -Must possess personal hand tools required to perform mechanical work and voltage testing -Minimum of eight years of recent experience performing commercial generator maintenance -Demonstrate working knowledge of both DC and AC voltage systems -Ability to pass a pre-employment drug test and motor vehicle background check -Ability to work independently as well as collaboratively within a team environment -Troubleshoot and service Automatic Transfer Switches (ATS) with proficiency -Willingness to commute to various job sites using company vehicles within Orange County, Los Angeles County, and/or the Inland Empire -Basic understanding of NFPA 70E, OSHA regulations, and general electrical safety practices -Proficient English communication skills, both written and verbal, for preparing reports and emails

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Benefits

-Superior Electrical, Mechanical & Plumbing, Inc. is a service and construction company providing customer service throughout California and other states. We offer competitive wages, medical coverage, 401(k) employee contributions, supplemental insurance options, sick leave, vacation time and skilled trade development

About Superior Electrical Mechanical & Plumbing, Inc.

-Founded by a family driven by a philosophy of safety, integrity and quality, it has grown into a full‑service, multi‑licensed contractor. -Serves commercial and industrial clients across California, Nevada, Texas, and Hawaii, handling everything from ground‑up construction to remodels and 24/7 emergency service. -Operates from its Rancho Cucamonga headquarters (with regional offices) and manages projects for grocery stores, convenience retailers, offices, restaurants, banks, hospitals, federal facilities, and more. -Teams coordinate across disciplines—such as tenant improvements, new commercial builds, retrofit, and maintenance—to streamline complex jobs. -Maintains a 24‑hour emergency hotline and proactive maintenance services, ensuring client operations never stall. -Uniquely caters to specialized grocers and convenience stores, carving a niche in service‑intensive retail environments.

Sector Specialisms

Security Clearance

-pre-employment drug test -motor vehicle background check