Solar & BESS Operations & Maintenance O&M Technician

About the role

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. The O&M Technician will perform preventative and corrective maintenance, troubleshoot electrical and controls issues, support equipment commissioning, and help ensure assigned solar and BESS assets operate safely, reliably, and efficiently.

Responsibilities

• 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.
  • Identify equipment failures and coordinate with manufacturers for technical support and RMA replacements.
  • Assist with battery and PCS replacements, warranty repairs, and corrective maintenance activities.
  • Perform visual inspections for abnormal conditions, including damaged equipment, loose connections, overheating, corrosion, moisture intrusion, and other safety concerns.
  • Follow manufacturer procedures and company protocols for safely placing battery systems into and out of service.
  • Support emergency response procedures and communicate any abnormal or potentially hazardous conditions immediately.
• General Responsibilities:
  • Complete detailed service reports, work orders, inspection forms, test results, and photo documentation.
  • Accurately document equipment failures, troubleshooting steps, corrective actions, and recommendations.
  • Follow all company safety procedures, including arc-flash requirements, PPE, and electrical safety practices.
  • Read and interpret single-line diagrams, electrical drawings, wiring diagrams, equipment manuals, and commissioning documentation.
  • Coordinate with project managers, asset managers, manufacturers, subcontractors, utilities, and other team members to resolve technical issues.
  • Communicate site conditions, safety concerns, equipment failures, and recommended corrective actions.
  • Maintain company tools, test equipment, and assigned equipment.
  • Travel to project sites as required.

Qualifications

• High school diploma or greater
• Ability to prioritize and multi-task
• Ability to work in a fast-paced environment maintaining a positive attitude in stressful situations
• Solution-minded, always looking for ways to improve efficiency
• Self-driven, highly motivated, and able to work with minimal supervision meeting multiple project deadlines
• High level of organization and professionalism with effective problem-solving skills
• Effective written and verbal communication
• Ability to successfully pass pre-employment background check, including drug/alcohol screen and clear DMV report
• 2+ years of experience in solar PV, electrical, industrial maintenance, energy storage, or preferred related field
• Experience troubleshooting commercial or industrial 208V and 480V three-phase electrical systems
• Strong understanding of electrical distribution equipment, including breakers, disconnects, transformers, switchgear, and associated equipment
• Familiarity with solar inverters, PV systems, electrical distribution equipment, and monitoring systems
• Experience with BESS, battery systems, PCS equipment, EMS controls, or industrial energy systems is strongly preferred
• Ability to safely use electrical test equipment, including multimeters, clamp meters, insulation resistance testers, and other diagnostic equipment
• Ability to read and interpret electrical single-line diagrams, wiring diagrams, and construction drawings
• Strong troubleshooting, problem-solving, and documentation skills
• Comfortable working outdoors and in varying weather conditions
• Ability to climb ladders, access rooftops, and lift to 50 pounds
• Valid driver's license with an acceptable driving record

Preferred Qualifications

• Commercial and industrial solar PV O&M experience
• Hands-on BESS maintenance, troubleshooting, or commissioning experience
• Experience with battery management systems (BMS), energy management systems (EMS), and power conversion systems (PCS)
• Inverter and PCS troubleshooting and replacement experience
• Experience troubleshooting 208V and 480V three-phase electrical systems, including electrical distribution and switchgear
• Knowledge of electrical safety practices, including LOTO and arc-flash safety
• NABCEP certification, electrical license, OSHA training, NFPA 70E training, or other relevant certifications