Generator Systems Diagnostic Technician (ATS/Paralleling)

Job DescriptionJob DescriptionGenerator Systems Diagnostic Technician (ATS/Paralleling)Why this role mattersCritical facilities rely on power that simply cannot fail. In this role, you’ll be the expert who keeps generator systems—from compact 2 kW backup sets to 3 MW industrial units—maintained, tested, and repaired so customers can operate with confidence.Your impactEnsure generator reliability through preventive maintenance, diagnostics, and repair in shop and field environments.Execute load bank tests; test, troubleshoot, and repair automatic and static transfer switches; evaluate complete system performance.Diagnose diesel and gaseous fuel systems; conduct both minor and major engine repairs.Use schematics, service literature, and diagnostic equipment to pinpoint electrical and mechanical faults.Source, install, and validate parts; complete repairs to OEM standards and specifications.Install full generator packages and supporting peripherals per engineering materials and specifications.Work primarily off-site with limited supervision; mentor apprentices and collaborate with peers to meet deadlines and quality expectations.Deliver clear, customer-friendly explanations of findings, maintenance needs, and recommended corrective actions.Produce accurate, thorough service reports; uphold safety, quality, and company procedures.Operate forklifts, mobile cranes, and heavy equipment safely in line with OSHA requirements.Participate in after-hours on-call rotations; support irregular schedules including weekends and holidays; travel occasionally with some overnight stays.Follow company policies and safety rules; perform other duties as assigned.Minimum qualificationsMultiple years in generator service—or equivalent military/technical background (automotive, transportation, commercial electrical, etc.).Mechanical and electrical troubleshooting proficiency; experience with diesel and/or gaseous engines.Ability to interpret electrical/mechanical drawings and technical documentation.Clear written and verbal communication; strong customer interaction skills.Self-directed with minimal supervision; high accountability for results.Safe, proper use of common hand tools and diagnostic instruments.Personal toolkit: multimeter; standard/metric socket and wrench sets; screwdrivers; Allen wrenches; pliers; crimpers; and related tools.Accurate documentation and reporting habits.Physically able to perform field service work around engines, electrical systems, and heavy machinery.Valid driver’s license; ability to travel to customer locations, including occasional overnight trips.Willing to work weekends/holidays, irregular hours, and take part in on-call rotation.Preferred backgroundHands-on with ATS, static transfer switches, and multi-unit paralleling systems.Technical/vocational education in electrical, mechanical, automotive, diesel, transportation, or related fields.Commercial/residential electrical experience; military mechanical/electrical experience.Service exposure across 2 kW–3 MW systems; diesel and gaseous-fueled platforms.Experience with load banks, generator testing tools; OSHA-related equipment operation.Competencies we valueAdvanced diagnostic skills for complex engine/electrical issues.Fluency with schematics, manuals, and test equipment.Structured problem-solving; strong attention to detail and first-time-right mindset.Ability to communicate complex ideas to technical and non-technical audiences.Continuous learner who shares knowledge and mentors others.Leadership potential—able to guide technicians and apprentices.Safety-first approach; able to prioritize and execute efficiently.Work conditionsShop and field environments with frequent travel; occasional overnight stays.Work around running engines, energized equipment, heavy machinery, and fuel systems.Operate/operate around forklifts, mobile cranes, and other heavy equipment safely.Use of hand tools and diagnostic equipment daily; strict adherence to OSHA and company safety practices.Customer ethosMaintain professionalism and a solutions-focused approach.Explain equipment condition and maintenance plans clearly.Provide accurate technical insights; complete work efficiently with safety and quality at the forefront.Schedule and travelRegular mix of shop and field work; schedule flexes with business and customer demand.Some weekends and holidays required; after-hours on-call participation is required.Occasional travel out of town, including overnights.Technical proficiencyElectrical SchematicsDiesel Engine SystemsStandby Generator InstallationEGSALoad bankingEquipment exposure2 kW to 3 MW generator systemsDiesel generatorsElectrical generators