Assistant Manager, O&M (Solar and Energy Assets) (Based in Toa Payoh)

Sembcorp Group; Singapore; On-site; SGD 120,000 - 180,000; Full time

Job summary

Sembcorp Singapore is seeking an O&M Assistant Manager to lead day-to-day operations and drive performance across a portfolio of solar and energy assets, including rooftop, utility-scale, and floating PV systems, with Battery Energy Storage Systems where applicable.

The role requires strong leadership, deep technical knowledge of electrical and solar systems, and a commercial mindset to optimize availability, regulatory compliance, and customer satisfaction while coordinating multiple sites and

Qualifications

• Bachelor's degree in electrical, power or renewable energy engineering.
• 3–5 years in solar PV, electrical systems or industrial ops with leadership exposure.
• Proven ability to manage multi-site O&M activities and client-facing contracts.
• Solid knowledge of SCADA, inverters, transformers, and switchgear.
• Willingness to travel between sites and hold Singapore driving license.

Responsibilities

• Lead day-to-day O&M activities across the solar and energy assets in Singapore.
• Monitor plant availability, response times and KPIs per contract.
• Oversee remote monitoring, SCADA alarms and fault management.
• Develop and implement preventive and predictive maintenance plans.
• Lead safety, risk assessments and compliance with local regulations.
• Coach and develop O&M engineers, supervisors and technicians.
• Coordinate with customers, asset management, engineering and procurement.
• Support tenders, renewals and financial management for O&M.
• Drive digital workflows, reporting and analytics across sites.

Skills

Leadership experience

O&M knowledge

Solar PV expertise

SCADA & monitoring

Asset management

Education

Bachelor's Degree in Electrical Engineering, Power Engineering, Renewable Energy

Tools

SCADA systems

Electrical testing equipment

BESS knowledge

Job description

About Sembcorp

Sembcorp is a leading energyand urban solutionsprovider headquartered in Singapore. Led by its purpose to drive energytransition, Sembcorp delivers sustainable energy solutions and urban developmentsby leveraging its sector expertise and global track record.

Join us in shaping asustainable energy future

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

Purpose and Scope

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

The positionrequires strong operational leadership, electrical and solar technicalknowledge, commercial awareness, customer engagement capability and disciplinedmanagement of multiple sites and service providers.

Key Responsibilities

Asset Operations and Performance

• Lead day-to-day O&Mactivities across the assigned portfolio of solar and energy assets inSingapore.
• Ensure plant availability,response time, rectification time, energy generation and other contractual KPIsare monitored and achieved.
• Oversee remote monitoring andSCADA alarm management, including timely investigation, escalation and closureof faults.
• Review performance ratio,specific yield, losses, degradation trends and recurring defects, and implementimprovement plans.
• Lead root-cause analysis forsignificant failures, underperformance and repeated equipment issues.
• Coordinate planned shutdowns,switching activities and restoration of plant following faults or maintenance.

Maintenance and Reliability

• Develop and implement preventive, predictive, condition-based and corrective maintenance plans.
• Ensure maintenance complieswith contractual requirements, approved procedures, OEM recommendations andapplicable standards.
• Oversee maintenance ofinverters, transformers, switchgear, protection systems, cables, monitoring equipment and balance-of-system assets.
• Manage annual inspection andtesting 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.

HSSE and Regulatory Compliance

• Champion a strong safetyculture and ensure O&M activities are carried out in accordance with Singapore Workplace Safety and Health requirements, company HSSE rules andcustomer site requirements.
• Ensure appropriate riskassessments, 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 andexecuted.
• Lead operational incidentinvestigations, determine root causes and ensure corrective actions are completed.
• Maintain emergency response andbusiness continuity arrangements for the operating portfolio.
• Coordinate with relevantauthorities, Licensed Electrical Workers and competent persons where required.

Team Leadership and Competency Development

• Lead, coach and develop O&M engineers, supervisors, specialists and technicians.
• Set team objectives, allocate resources and establish clear accountability for operational deliverables.
• Maintain a competency andtraining matrix covering technical, safety and regulatory requirements.
• Provide technical guidance during complex troubleshooting and major incidents.
• Drive succession planning, knowledge sharing and continuous development within the O&M team.

Customer and Stakeholder Management

• Act as the main operational interface with customers, asset owners and key internal stakeholders.
• Lead regular performance reviews and present plant performance, incidents, defects, risks and improvement actions.
• Manage customer escalationsprofessionally and ensure actions are tracked to closure.
• Work closely with Asset Management, Engineering, Projects, Commercial, Procurement and HSSE teams.
• Support warranty claims, defect-liability matters and handover of newly completed assets into operations.

Contractor and Vendor Management

• Manage subcontractors, OEMs and specialist service providers supporting the O&M portfolio.
• Evaluate contractor safety,technical quality, responsiveness, productivity and contractual performance.
• Review technical proposals, quotations and work scopes, and support tender and procurement evaluations.
• Ensure contractor documentation, competency, permits and work quality meet company and site requirements.

Financial and Commercial Management

• Prepare and manage annual O&M budgets, forecasts and expenditure.
• Monitor operating costs and identify opportunities to improve lifecycle cost without compromising safety, compliance or reliability.
• Support O&M tenders, contract renewals, proposals and technical-commercial assessments.
• Monitor contractual obligations, service levels, warranties, liquidated-damage exposure and recoverable costs.
• Provide accurate managementreporting on performance, risks, costs and improvement initiatives.

Digitalisation and Continuous Improvement

• Drive the adoption of digital workflows, mobile inspections, automated reporting, analytics and AI-enabled monitoring where appropriate.
• Standardise O&M procedures, reporting templates, dashboards and maintenance practices across sites.
• Identify and implement improvements that enhance availability, energy yield, safety and team productivity.

Qualifications and Experience

• Bachelor's Degree in ElectricalEngineering, Power Engineering, Renewable Energy or a related discipline.
• Minimum 3 to 5 years of relevant experience in solar PV, electrical systems or industrial operations, including at least 1 year in a leadership role.
• Proven experience managing multi-site O&M activities, internal teams, contractors and customer-facing service contracts.
• Good working knowledge of solar PV systems, inverters, transformers, switchgear, protection systems, SCADA and grid-connected electrical assets.
• Experience with rooftop, utility-scale or floating PV systems is preferred; BESS experience is an advantage.
• Familiarity with Singapore WSH requirements, electrical safety controls and local regulatory expectations.
• Relevant Work-at-Height, safety, project management or asset management certifications are advantageous.
• Possession of a valid Singapore driving license and ability to travel between sites are preferred.

Our Culture at Sembcorp

At Sembcorp, our culture is shaped by a strong set of shared behaviours that guide the way we work and uphold our commitment to driving the energy transition.

We foster an institution-first mindset, where the success of Sembcorp takes precedence over individual interests. Collaboration is at the heart of what we do, as we work seamlessly across markets, businesses, and functions to achieve our goals together. Accountability is a core principle, ensuring that we take ownership of our commitments and deliver on them with integrity and excellence. These values define who we are and create a workplace where our people can thrive while making a meaningful impact on driving energy transition.

Joinus in making a real impact!