Generator Maintenance Manager

About The Role

The Generator Maintenance Manager plays a key role in coordinating generator delivery, commissioning, and ongoing maintenance for a fleet of 300 kW to 2 MW generator units.

This individual is responsible for ensuring safe, reliable, and cost-effective generator performance across multiple sites while supporting uptime requirements for operational continuity.

Key Responsibilities

• Coordinate delivery, mobilization, and deployment of generator units to field locations.
• Serve as liaison between generator vendors, operations teams, and engineering groups.
• Develop weekly and monthly reports outlining fleet health and power system performance.
• Support site readiness and commissioning activities, including cabling, grounding, distribution, fuel connections, monitoring systems, and startup validation.
• Develop and execute preventive maintenance programs, service intervals, and inspection routines to improve fleet reliability and uptime.
• Supervise day-to-day field maintenance activities, including troubleshooting and repair of engines, alternators, cooling systems, fuel systems, batteries, sensors, and protective shutdown systems.
• Manage work orders from identification through closeout, including scope definition, scheduling, manpower coordination, and documentation.
• Lead and mentor field technicians and contractors, ensuring safe work execution and high-quality service reporting.
• Coordinate planned outages and emergency response efforts to restore critical power systems, maintaining clear communication on timelines and impact.
• Forecast and maintain critical spare parts inventory, coordinate purchasing, and stage materials for planned maintenance.
• Collaborate with OEM vendors and service providers for specialty repairs, warranty claims, and service escalations.
• Ensure regulatory compliance related to emissions and reporting requirements.
• Enforce safety procedures including LOTO, electrical safe work practices, and job safety analysis standards.
• Maintain accurate service records, including PM logs, failure tracking, parts usage, and root cause documentation.
• Support continuous improvement initiatives focused on uptime, PM compliance, repeat failure reduction, and MTBF.
  
  

Qualifications & Requirements

• High school diploma or equivalent required (technical school or associate degree preferred).
• 5 years of experience maintaining and troubleshooting commercial or industrial generator systems (300 kW-2 MW preferred).
• 2 years of supervisory, lead technician, or field service coordination experience.
• Strong knowledge of:
• Preventive maintenance planning and execution
• Engine and alternator diagnostics
• Generator controls and protective shutdown systems
• Electrical troubleshooting (AC/DC fundamentals, sensors, wiring, breakers, power distribution)
• Reading electrical one-lines, schematics, and wiring diagrams
• Ability to prioritize across multiple field locations in a fast-paced environment.
• Experience using CMMS or work order management systems.
• Valid driver’s license with acceptable driving record.
• Ability to work outdoors and respond to emergency service needs, including after-hours/on-call support.
  
  

Preferred Qualifications

• OEM certifications or factory training (e.g., Cummins, CAT, Generac, MTU, Kohler).
• Experience with ATS, switchgear, power distribution panels, and breaker coordination.
• Familiarity with multi-unit configurations including paralleling, load sharing, and load banking.
• Electrical safety training (NFPA 70E concepts) and strong LOTO discipline.
• Experience utilizing remote monitoring or SCADA systems to improve reliability and response time.
  
  

Working Environment

• Field-based role operating around running engines, rotating equipment, energized electrical panels, hot surfaces, and outdoor conditions.
• Regular travel to field locations required.
• Physical demands include lifting, climbing, bending, and working within equipment enclosures.
  
  

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