Solar & BESS Operations & Maintenance O&M Technician

Renewable Energy Partners, Inc.; Corona (CA); On-site; USD 70,000 - 95,000; Full time

Job summary

Renewable Energy Partners, Inc. in Corona, CA is seeking a Solar & Battery Energy Storage System (BESS) Operations & Maintenance Technician to support maintenance, troubleshooting, repair, and performance optimization of commercial solar PV and energy storage systems.

The role covers preventative maintenance, fault diagnosis, inverter and BMS/PCS checks, system monitoring, and commissioning activities to ensure reliable energy production.

Responsibilities

• Perform scheduled preventative maintenance and inspections on solar PV systems (residential, commercial, industrial).
• Troubleshoot and repair electrical, mechanical, communication, and production-related issues.
• Diagnose inverter faults, grid-related issues, production deficiencies, and equipment failures.
• Perform PV string testing, including voltage and Voc testing, and document results.
• Verify string-to-MPPT configurations and identify performance or configuration issues.
• Inspect and troubleshoot PV modules, combiner boxes, disconnects, breakers, conductors, inverters, transformers, and balance-of-system equipment.
• Assist with inverter replacements, equipment RMAs, commissioning, and system restoration.
• Troubleshoot monitoring and communications systems and verify proper data reporting.
• Perform preventative and corrective maintenance on Battery Energy Storage Systems.
• Inspect and troubleshoot battery cabinets, BMS, PCS, inverters, disconnects, transformers, switchgear, and controls.
• Monitor system alarms, fault conditions, SOC, operating status, and overall system performance.
• Assist with troubleshooting communication and control issues between BESS, EMS, inverter/PCS, monitoring platforms, and other site equipment.
• Support commissioning, startup, shutdown, and operational testing of BESS equipment.

Job description

We are seeking a motivated and experienced Solar & Battery Energy Storage System (BESS) Operations & Maintenance Technician to support the maintenance, troubleshooting, repair, and performance optimization of commercial and industrial solar PV and energy storage systems.

Solar PV Operations & Maintenance

• Perform scheduled preventative maintenance and inspections on residential, commercial and industrial solar PV systems.
• Troubleshoot and repair electrical, mechanical, communication, and production-related issues.
• Diagnose inverter faults, grid-related issues, production deficiencies, and equipment failures.
• Perform PV string testing, including voltage and open-circuit voltage (Voc) testing, and document results.
• Verify string-to-MPPT configurations and identify potential performance or configuration issues.
• Inspect and troubleshoot PV modules, combiner boxes, disconnects, breakers, conductors, inverters, transformers, and associated balance-of-system equipment.
• Assist with inverter replacements, equipment RMAs, commissioning, and system restoration.
• Troubleshoot monitoring and communications systems and verify proper data reporting.

BESS Operations & Maintenance

• Perform preventative and corrective maintenance on Battery Energy Storage Systems.
• Inspect and troubleshoot battery cabinets, battery management systems (BMS), power conversion systems (PCS), inverters, disconnects, transformers, switchgear, and associated controls.
• Monitor system alarms, fault conditions, state of charge, operating status, and overall system performance.
• Assist with troubleshooting communication and control issues between the BESS, EMS, inverter/PCS, monitoring platforms, and other site equipment.
• Support commissioning, startup, shutdown, and operational testing of BESS equipment.