Field Lead: Solar O&M Technician for PV & BESS

Motolite; Santa Maria; On-site; PHP 700,000 - 1,050,000; Full time

Job summary

Motolite is seeking a Lead for After-Sales O&M Field Operations to oversee safety and timely preventive and corrective maintenance for MES solar PV, hybrid solar, and BESS installations at internal sites and external customers. You will lead O&M technicians, coordinate with Engineering, suppliers, and manufacturers, and ensure safe restoration and performance validation of systems in the field.

The role emphasizes troubleshooting, root-cause analysis, and continuous improvement to maximize

Responsibilities

• Lead O&M technicians in scheduled and unscheduled after-sales activities for MES internal facilities and external customer sites.
• Validate service requirements involving alarms, equipment faults, abnormal performance, and customer-reported technical concerns.
• Plan field work, assign technician tasks, and confirm tools, PPE, spare parts, and test instruments before deployment.
• Verify completed work and coordinate unresolved issues with the O&M Lead, Engineering, suppliers, and manufacturers.
• Lead scheduled preventive maintenance of solar PV, hybrid inverter, BESS, electrical, protection, metering, grounding, and monitoring systems.
• Perform inspections, electrical measurements, torque checks, thermal inspection, cleaning coordination, and functional verification.
• Check inverter, battery/BMS, backup, zero-export, CT/meter, communication, and monitoring operation against expected performance.
• Identify developing defects or abnormal conditions and initiate corrective actions to minimize downtime and repeat failures.
• Diagnose inverter alarms, battery/BMS faults, AC/DC faults, protection trips, metering/CT issues, and communication or monitoring failures.
• Perform fault isolation, repair, authorized component replacement, functional testing, and recommissioning after corrective work.
• Confirm safe restoration of solar generation, battery charge/discharge, backup operation, and monitoring connectivity before closure.
• Escalate complex or recurring failures requiring engineering review, supplier intervention, warranty action, or root-cause analysis.
• Provide professional on-site support and explain findings, completed work, system status, and recommended actions to customers.
• Gather alarm logs, operating data, electrical measurements, photographs, and equipment details required for technical investigation.
• Support warranty claims, equipment replacement, supplier troubleshooting, and post-repair validation in coordination with the O&M Lead.
• Ensure customer concerns are properly addressed and service activities are completed within applicable MES response and closure targets.
• Conduct toolbox meetings and job hazard assessments; enforce LOTO, PPE, rooftop, working-at-height, and BESS safety requirements.
• Verify workmanship, manufacturer procedures, and proper use of test instruments during field activities.
• Complete PM, CM, field service, troubleshooting, measurement, equipment replacement, and customer closure records.
• Report major technical findings, unsafe conditions, recurring issues, and service risks promptly to the O&M Lead.
• Coach junior technicians in safe work practices, maintenance procedures, electrical testing, inverter/BESS troubleshooting, and customer-site conduct.
• Promote discipline, accountability, teamwork, and ownership of after-sales concerns from deployment through closure.
• Share recurring field issues and lessons learned to improve maintenance procedures, troubleshooting guides, and spare-parts planning.
• Support improvements that increase system availability, shorten restoration time, and improve customer satisfaction.
• “Motolite offers you not just a job, but a career with boundless opportunities”

Job description

Motolite is seeking a Lead for After-Sales O&M Field Operations to oversee safety and timely preventive and corrective maintenance for MES solar PV, hybrid solar, and BESS installations at internal sites and external customers. You will lead O&M technicians, coordinate with Engineering, suppliers, and manufacturers, and ensure safe restoration and performance validation of systems in the field.

The role emphasizes troubleshooting, root-cause analysis, and continuous improvement to maximize