HVDC/ VSC System Expert- Substation/HVDC

Job description

Company Description At AECOM, we’re delivering a better world. We believe infrastructure creates opportunity for everyone. Whether it’s improving your commute, keeping the lights on, providing access to clean water or transforming skylines, our work helps people and communities thrive. Our clients trust us to bring together the best people, ideas, technical expertise and digital solutions to our work in transportation, buildings, water, the environment and new energy. We’re one global team – 47,000 strong – driven by a common purpose to deliver a better world. Here, you will have freedom to grow in a world of opportunity. We will give you the flexibility you need to do your best work with hybrid work options. Whether you’re working from an AECOM office, remote location or at a client site, you will be working in a dynamic environment where your integrity, entrepreneurial spirit and pioneering mindset are championed. You will help us foster a culture of equity, diversity and inclusion – a safe and respectful workplace, where we invite everyone to bring their whole selves to work using their unique talents, backgrounds and expertise to create transformational outcomes for our clients. We will encourage you to grow and develop your career with us through our technical and professional development programs and diverse career opportunities. We believe in leadership at all levels. No matter where you sit in the organization you can make a lasting impact on the projects you work on, the teams and committees you join and our business. We offer competitive pay and benefits, well-being programs to support you and your family, and the development resources you need to advance your career. When you join us, you will connect and collaborate with a global network of experts – planners, designers, engineers, scientists, consultants, program and construction managers – leading the change toward a more sustainable and equitable future. Join us and let’s get started. Job Description Position Overview: Provide specialist technical oversight for ±500 kV VSC-HVDC terminal stations, including converter technology, AC/DC system interfaces, converter transformers, valves, reactors, filters, control systems, protection systems, and overall system integration to ensure compliance with project requirements and industry standards. Key Responsibilities: Review overall HVDC system architecture, design criteria, technical specifications, and interface requirements across the complete VSC-HVDC scheme. Review OEM design documentation for VSC converters, converter transformers, valves, DC equipment, AC equipment, and associated auxiliary systems. Assess the design and performance of AC/DC filters, smoothing reactors, harmonic filters, reactive power compensation systems, and associated equipment. Review station control, HVDC control, valve control, protection systems, monitoring systems, and sequence-of-events functionality. Evaluate operating philosophies, power control functions, voltage control strategies, reactive power control, black-start capability, and system recovery arrangements. Review protection coordination between the HVDC system, AC substations, converter stations, grid protection systems, SCADA, and telecommunication networks. Assess and review system studies including load flow, short-circuit, harmonic performance, insulation coordination, overvoltage analysis, electromagnetic interference, and dynamic performance studies. Verify technical interfaces between converter transformers, valves, cooling systems, control systems, communication systems, and station auxiliary equipment. Review OEM manufacturing processes, factory acceptance testing (FAT), installation procedures, site acceptance testing (SAT), and commissioning methodologies. Participate in design reviews, engineering workshops, technical audits, risk assessments, and technical resolution meetings. Review control and protection settings, logic diagrams, interlocks, operational philosophies, and functional specifications. Witness and review factory and site testing activities where contractually required, ensuring compliance with approved procedures and performance requirements. Support technical issue resolution during installation, integration, testing, energization, and trial operation phases. Monitor subsystem testing, integrated system testing, station energization, and operational readiness activities. Identify technical risks, design gaps, performance concerns, and interface issues, providing mitigation recommendations and corrective actions. Review as-built documentation, operation and maintenance manuals, training materials, and handover documentation prior to project closeout. Coordinate with Substation, Protection & Control, SCADA, Telecommunications, and Grid Integration teams to ensure seamless interface management and system integration. Principal Client-Facing Outputs HVDC Design Review and Technical Assurance Report. OEM Design and Documentation Review Comments. HVDC System Interface and Integration Assessment. Converter Control and Protection Review Report. Power System Study Review Memorandum. HVDC Technical Risk Register and Mitigation Plan. Factory and Site Testing Assessment Reports. Commissioning and Energization Readiness Assessment. Technical Compliance and Performance Verification Report. Final HVDC Technical Assurance and Handover Report. Qualifications Education Qualification: Bachelor's Degree or Master's Degree in Electrical Engineering, Power Systems Engineering, Power Electronics, or a related discipline. Master's Degree preferred for Specialist/SME positions. Professional Engineer (PE), Chartered Engineer (CEng), or equivalent professional accreditation is advantageous. Specialized training or certification in HVDC, Power Electronics, Protection Systems, or Grid Integration is desirable. Additional Information Preferred Attributed: Minimum 12 years of experience in HVDC, FACTS, power transmission, power electronics, or large-scale power infrastructure projects. Demonstrated experience with VSC-HVDC systems, converter-based transmission technologies, or equivalent high-voltage power electronic applications. Proven experience in design review, installation oversight, testing, commissioning, and operational readiness of HVDC facilities. Strong knowledge of converter transformers, HVDC valves, DC yard equipment, harmonic filters, protection systems, and HVDC control systems. Experience reviewing power system studies including load flow, short-circuit, transient stability, harmonic analysis, and insulation coordination studies. Familiarity with international standards, utility requirements, and OEM technologies related to HVDC transmission systems. Experience working with major OEMs, EPC Contractors, Transmission Utilities, and Grid Operators on large-scale transmission projects. Demonstrated ability to manage complex technical interfaces, resolve engineering issues, and provide independent technical assurance for critical power infrastructure assets. .AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment. About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment. About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines. At AECOM, we are committed to maintaining a secure and trustworthy recruitment process and take any fraudulent hiring activity seriously. To support this commitment, all newly hired employees are required to attend an in-person Day 1 onboarding at an AECOM office location as a condition of employment. About AECOM AECOM is proud to offer comprehensive benefits to meet the diverse needs of our employees. Depending on your employment status, AECOM benefits may include medical, dental, vision, life, AD&D, disability benefits, paid time off, leaves of absences, voluntary benefits, perks, flexible work options, well-being resources, employee assistance program, business travel insurance, service recognition awards, retirement savings plan, and employee stock purchase plan. AECOM is the global infrastructure leader, committed to delivering a better world. As a trusted professional services firm powered by deep technical abilities, we solve our clients’ complex challenges in water, environment, energy, transportation and buildings. Our teams partner with public- and private-sector clients to create innovative, sustainable and resilient solutions throughout the project lifecycle – from advisory, planning, design and engineering to program and construction management. AECOM is a Fortune 500 firm that had revenue of $16.1 billion in fiscal year 2025. Learn more at aecom.com. What makes AECOM a great place to work You will be part of a global team that champions your growth and career ambitions. Work on groundbreaking projects - both in your local community and on a global scale - that are transforming our industry and shaping the future. With cutting-edge technology and a network of experts, you’ll have the resources to make a real impact. Our award-winning training and development programs are designed to expand your technical expertise and leadership skills, helping you build the career you’ve always envisioned. Here, you’ll find a welcoming workplace built on respect, collaboration and community - where you have the freedom to grow in a world of opportunity. As an Equal Opportunity Employer, we believe in your potential and are here to help you achieve it. All your information will be kept confidential according to EEO guidelines.