Assistant Manager, O&M; Solar and Energy Assets

Sembcorp is a leading energy and urban solutions provider headquartered in Singapore. Led by its purpose to drive energy transition , Sembcorp delivers sustainable energy solutions and urban developments by leveraging its sector expertise and global track record.

Sembcorp is a leading energy and urban solutions provider headquartered in Singapore. Led by its purpose to drive energy transition , Sembcorp delivers sustainable energy solutions and urban developments by leveraging its sector expertise and global track record.

Drive Asia’s energy transition with us! O ur Gas & Related Services segment is a key growth engine, delivering reliable and efficient energy to industries and communities across multiple countries. We support Asia’s growing energy needs while advancing the shift to a lower-carbon future.

The O&M Assistant Manager is responsible for the safe, reliable and efficient operation of a portfolio of solar and energy assets in Singapore, including rooftop, utility-scale and floating photovoltaic systems, with Battery Energy Storage Systems (BESS) and related infrastructure where applicable. The role leads employees and contractors to achieve asset performance, availability, contractual, regulatory, HSSE and customer-service objectives.

The position requires strong operational leadership, electrical and solar technical knowledge, commercial awareness, customer engagement capability and disciplined management of multiple sites and service providers.

• Lead day-to-day O&M activities across the assigned portfolio of solar and energy assets in Singapore.
• Ensure plant availability, response time, rectification time, energy generation and other contractual KPIs are monitored and achieved.
• Oversee remote monitoring and SCADA alarm management, including timely investigation, escalation and closure of faults.
• Review performance ratio, specific yield, losses, degradation trends and recurring defects, and implement improvement plans.
• Lead root-cause analysis for significant failures, underperformance and repeated equipment issues.
• Coordinate planned shutdowns, switching activities and restoration of plant following faults or maintenance.

• Develop and implement preventive, predictive, condition-based and corrective maintenance plans.
• Ensure maintenance complies with contractual requirements, approved procedures, OEM recommendations and applicable standards.
• Oversee maintenance of inverters, transformers, switch gear, protection systems, cables, monitoring equipment and balance-of-system assets.
• Manage annual inspection and testing programmes, including thermography, electrical testing, IV-curve testing and other diagnostic activities where applicable.
• Maintain equipment history, defect registers, maintenance records, service reports and corrective-action tracking.
• Develop a critical-spares strategy and ensure appropriate stock availability across the portfolio.

• Champion a strong safety culture and ensure O&M activities are carried out in accordance with Singapore Workplace Safety and Health requirements, company HSSE rules and customer site requirements.
• Ensure appropriate risk assessments, safe work procedures, method statements, permits-to-work and lock-out/tag-out controls are in place.
• Ensure work-at-height, lifting, electrical and other high-risk activities are properly planned, supervised and executed.
• Lead operational incident investigations, determine root causes and ensure corrective actions are completed.
• Maintain emergency response and business continuity arrangements for the operating portfolio.
• Coordi…