The posting
Lead Electrical Engineer – High Voltage (230 kV & Above)
Location: Singapore Industry: Power Generation, Transmission & Distribution, Energy Infrastructure Position: Lead Electrical Engineer Specialisation: High Voltage Substations, Switchgear, Transformers & Electrical Infrastructure Reporting To: Lead Electrical Engineer / Engineering Manager / Project Manager
Position Overview
We are seeking an experienced and technically proficient Senior Electrical Engineer to support the engineering, design coordination and execution of high-voltage electrical infrastructure projects in Singapore.
The successful candidate will be involved in the complete project lifecycle, from tendering, bidding and technical proposal preparation through detailed engineering, procurement support, construction supervision, testing, commissioning, energisation and final project handover.
The role requires strong technical knowledge and practical engineering experience in high-voltage electrical systems operating at 230 kV and above, including transmission substations, Gas Insulated Switchgear (GIS), Air Insulated Switchgear (AIS), power transformers, circuit breakers and associated electrical infrastructure.
The Senior Electrical Engineer will work closely with the Lead Electrical Engineer, Engineering Manager, clients, consultants, contractors and equipment manufacturers to ensure engineering activities are executed safely, efficiently and in accordance with approved designs, technical specifications, project schedules and applicable standards.
Candidates with hands-on experience in high-voltage switchgear and transformer installation, testing and commissioning will be highly regarded. Previous experience in power plants, power generation facilities or large-scale energy infrastructure projects will be advantageous.
Key Responsibilities
1. Tendering, Bidding & Technical Proposal Support
- Support tendering and bidding activities for high-voltage electrical infrastructure and power engineering projects.
- Review tender documents, Invitations to Tender (ITT), employer requirements, technical specifications, drawings and scope of work.
- Assist in preparing electrical technical proposals, engineering methodologies, technical schedules and tender documentation.
- Review preliminary electrical designs, equipment specifications and engineering calculations to support tender submissions.
- Prepare and verify Bills of Quantities (BOQ), material take-offs and preliminary equipment requirements.
- Assist with technical cost estimation and engineering input for project budgets.
- Review vendor quotations, technical submissions and equipment specifications for compliance with tender requirements.
- Identify technical risks, engineering constraints, project interfaces and potential construction challenges.
- Participate in technical clarification meetings with clients, consultants, contractors and equipment suppliers.
- Support value engineering studies and recommend technically suitable and cost-effective solutions.
- Coordinate with senior engineering, commercial and procurement teams to ensure timely completion of tender deliverables.
2. High-Voltage Electrical Engineering & Design
- Perform and coordinate electrical engineering activities for high-voltage substations and electrical systems operating at 230 kV and above.
- Review and support engineering design for GIS, AIS, power transformers, circuit breakers, disconnectors, current transformers, voltage transformers, busbars and associated HV equipment.
- Prepare, review and verify electrical Single Line Diagrams (SLDs), equipment layouts, substation general arrangements, schematics and technical drawings.
- Support primary and secondary electrical engineering activities, including protection and control, auxiliary power systems, earthing, cable systems and substation automation.
- Perform or review electrical engineering calculations relating to equipment sizing, electrical loading, short-circuit requirements, cable sizing, earthing and insulation coordination.
- Assist with power system studies, protection coordination, fault analysis and equipment selection where required.
- Review technical specifications, engineering drawings, calculations and design documentation for compliance with project requirements.
- Coordinate with electrical designers, CAD/BIM teams and other engineering disciplines to resolve design issues.
- Review vendor drawings, equipment datasheets and technical documentation.
- Provide technical recommendations and engineering solutions for design-related issues.
- Ensure engineering deliverables comply with applicable IEC, IEEE, Singapore regulatory requirements and approved project specifications.
- Support the Lead Electrical Engineer in maintaining engineering quality, technical accuracy and project delivery schedules.
3. Procurement Support & Vendor Coordination
- Prepare and review technical specifications and material requisitions for high-voltage electrical equipment.
- Support procurement activities involving GIS, AIS, power transformers, circuit breakers, protection panels, control systems and associated electrical components.
- Conduct technical evaluations of vendor proposals and equipment submissions.
- Review manufacturer drawings, equipment datasheets, calculations and inspection documentation.
- Participate in technical clarification meetings with OEMs, suppliers and equipment manufacturers.
- Verify equipment compliance with approved engineering specifications and project requirements.
- Assist in resolving technical issues relating to equipment selection, manufacturing, installation and interfaces.
- Review Factory Acceptance Test (FAT) procedures and participate in FAT inspections where required.
- Coordinate with procurement and project teams to monitor equipment delivery schedules and technical documentation.
- Provide engineering support during equipment inspection, installation and commissioning preparation.
4. Construction Engineering & Site Supervision
- Provide engineering and technical support during construction and installation of high-voltage electrical infrastructure.
- Coordinate with construction managers, site engineers, electrical contractors and subcontractors to ensure installation works comply with approved drawings and specifications.
- Supervise and inspect installation activities involving GIS, AIS, power transformers, HV switchgear, circuit breakers, busbars, cable systems and associated electrical equipment.
- Review construction method statements, installation procedures, inspection and test plans, and site technical documentation.
- Conduct site inspections to verify installation quality, workmanship and engineering compliance.
- Identify and resolve site engineering issues, installation discrepancies and equipment interface problems.
- Coordinate with civil, structural, mechanical, instrumentation and control engineering teams to resolve construction interfaces.
- Support site planning, construction sequencing and monitoring of electrical installation progress.
- Review and respond to Requests for Information (RFIs), technical queries and site engineering clarifications.
- Monitor contractor and subcontractor activities to ensure compliance with approved construction procedures.
- Assist in identifying construction delays and recommend corrective measures to maintain project schedules.
- Ensure electrical installation activities are carried out in accordance with applicable safety regulations and project quality requirements.
5. High-Voltage Testing, Commissioning & Energisation
- Support and coordinate testing and commissioning activities for high-voltage electrical systems operating at 230 kV and above.
- Review testing and commissioning procedures for GIS, AIS, power transformers, circuit breakers, protection systems and associated equipment.
- Participate in pre-commissioning inspections, equipment verification, functional testing and system integration activities.
- Coordinate and, where qualified and authorised, perform or witness electrical testing activities including: Insulation resistance and dielectric testing. Circuit breaker timing and contact resistance testing. Power transformer electrical testing and functional verification. Current transformer and voltage transformer testing. Primary and secondary current injection testing. Protection relay testing and protection scheme verification. Control circuit, interlocking and functional testing. Earthing system verification and electrical continuity testing. Substation automation, SCADA and communication interface testing.
- Review commissioning test results, inspection records and technical reports.
- Coordinate with OEM field service engineers, testing specialists, contractors and client representatives during commissioning activities.
- Assist in troubleshooting electrical equipment faults and resolving commissioning-related technical issues.
- Verify completion of commissioning checklists, testing documentation and outstanding technical items.
- Support preparation and implementation of energisation procedures under the direction of authorised personnel.
- Participate in system readiness reviews, energisation activities and final acceptance testing.
- Ensure testing and commissioning activities comply with approved procedures, applicable standards and project requirements.
6. Engineering Coordination & Project Execution
- Coordinate electrical engineering activities across tendering, design, procurement, construction and commissioning phases.
- Support the Lead Electrical Engineer and Project Manager in planning and executing electrical engineering deliverables.
- Monitor engineering progress and ensure assigned tasks are completed according to approved project schedules.
- Participate in technical coordination meetings, engineering reviews and project progress discussions.
- Liaise with clients, consultants, contractors, OEMs and multidisciplinary engineering teams.
- Identify engineering risks, construction constraints and commissioning challenges, and propose mitigation measures.
- Coordinate resolution of technical issues affecting project delivery.
- Review and respond to engineering clarifications, RFIs and technical queries.
- Prepare engineering progress updates, technical reports and project documentation.
- Provide technical guidance to junior electrical engineers, designers and site personnel.
- Support effective communication between design teams, procurement teams and construction teams.
- Assist in monitoring engineering quality, cost, schedule and technical performance.
7. Quality Assurance, Safety & Regulatory Compliance
- Ensure electrical engineering and construction activities comply with approved project specifications and applicable international and Singapore standards.
- Review quality assurance documentation, inspection and test plans, testing records and non-conformance reports.
- Participate in technical audits, site inspections and engineering quality reviews.
- Verify compliance with relevant Workplace Safety and Health (WSH) requirements and electrical safety procedures.
- Support safe execution of high-voltage installation, testing, commissioning and energisation activities.
- Identify technical and safety risks associated with electrical construction and commissioning works.
- Coordinate with site safety personnel and contractors to ensure compliance with approved safety procedures.
- Maintain accurate engineering records, inspection documentation and quality reports.
- Promote safe working practices, engineering quality and continuous improvement throughout project execution.
8. Project Completion, Documentation & Final Handover
- Support electrical engineering close-out and commissioning completion activities.
- Coordinate rectification of outstanding defects, punch-list items and technical non-conformances.
- Review and verify as-built drawings, commissioning reports, equipment test certificates and final engineering documentation.
- Assist in preparing operation and maintenance manuals, equipment records and handover packages.
- Participate in final inspections, system acceptance and client handover activities.
- Coordinate with contractors, OEMs and project teams to ensure completion of outstanding technical documentation.
- Support final verification of electrical systems against contractual and operational requirements.
- Provide technical assistance during defect liability periods and post-commissioning activities where required.
Job Requirements
Educational Qualifications
- Bachelor's Degree in Electrical Engineering, Electrical Power Engineering or a related engineering discipline.
- A Master's Degree in Electrical Engineering, Power Systems or a related field would be advantageous.
Professional Experience
- Minimum 7–10 years of relevant electrical engineering experience in high-voltage substations, transmission and distribution, power generation or major electrical infrastructure projects.
- Essential: Proven engineering experience involving high-voltage substations or electrical systems operating at 230 kV and above.
- Strong technical understanding of high-voltage electrical equipment, including GIS, AIS, power transformers, circuit breakers and protection and control systems.
- Experience supporting multiple project phases, including tendering, bidding, engineering design, procurement, construction, testing, commissioning and handover.
- Experience reviewing electrical drawings, technical specifications, engineering calculations and vendor documentation.
- Familiarity with electrical construction activities, equipment installation procedures and site engineering coordination.
- Experience coordinating with clients, consultants, contractors and electrical equipment manufacturers.
- Ability to troubleshoot and resolve engineering and site-related technical issues.
- Good understanding of electrical engineering standards, quality requirements and project safety procedures.
- Strong communication, coordination, problem-solving and technical reporting skills.
- Ability to work independently on assigned engineering tasks while collaborating with senior engineering and project management personnel.
Preferred Experience & Added Advantages
- Hands-on experience in the installation, testing, commissioning or troubleshooting of high-voltage GIS/AIS switchgear and power transformers.
- Experience working on 230 kV, 275 kV, 400 kV or higher-voltage substation projects.
- Previous involvement in power plant projects, including gas-fired, combined-cycle, thermal, waste-to-energy or other power generation facilities.
- Experience working with major HV equipment OEMs such as Hitachi Energy, Siemens Energy, GE Vernova, ABB or Mitsubishi Electric.
- Familiarity with protection relays, substation automation, SCADA systems and power system studies.
- Experience supporting EPC, EPCM or engineering consultancy projects.
- Familiarity with Singapore's electrical infrastructure, utility requirements and regulatory environment.
- Experience participating in high-voltage equipment FAT, SAT, commissioning, energisation and final handover.
- Experience providing technical guidance to junior engineers or coordinating small engineering teams.
Key Technical Competencies
- HV/EHV Substation Engineering (230 kV and above)
- GIS & AIS Switchgear Systems
- Power Transformers & HV Circuit Breakers
- Electrical Design & Engineering Coordination
- Tendering, Bidding & Technical Proposal Preparation
- Electrical Equipment Technical Evaluation
- Construction & Installation Supervision
- High-Voltage Testing & Commissioning
- Protection & Control Systems
- Electrical Power Systems & Substation Automation
- Vendor, Contractor & Stakeholder Coordination
- Engineering Progress Monitoring & Reporting
- Engineering Quality Assurance & Safety Compliance
- Commissioning Documentation & Project Handover
Key Performance Expectations
The successful candidate will be expected to:
- Support preparation of technically compliant electrical engineering proposals during tendering and bidding.
- Complete assigned electrical engineering deliverables in accordance with approved project schedules.
- Ensure effective technical coordination between engineering, procurement, construction and commissioning teams.
- Support installation, testing and commissioning of high-voltage electrical equipment in accordance with approved specifications and applicable standards.
- Identify and resolve engineering and site-related issues to minimise project delays.
- Support safe and successful energisation of high-voltage electrical systems.
- Maintain accurate engineering documentation, technical reports and commissioning records.
- Support timely completion of outstanding technical items and final project handover.
