~3h ago

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HVDC Field Service Engineer

South Korea·Seoulmid

Field Service EngineerSkilled Trades & Field Services

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Quick Summary

Key Responsibilities

Let’s Talk about the Role The HVDC Field Service Engineer – Power Electronics/Electrical will deliver high‑quality technical support by managing service contracts, coordinating site activities,

Requirements Summary

Able to travel extensively to and from projects and various field assignments. Willing to work holidays, weekends and overtime as required by field assignments.

Technical Tools

Field Service EngineerSkilled Trades & Field Services

Post Sales support of customer issue. This can include repairs (both returns and field), technical support or a field service or other service request Impacts departmental operations and responsible for planning/execution. The role has some autonomy but is focused on execution of activities within an operating discipline covered by standard functional practices and procedures. Some judgment may be required but this is typically with guidance.

Roles and Responsibilities

About the Role

~1 min read

The HVDC Field Service Engineer – Power Electronics/Electrical will deliver high‑quality technical support by managing service contracts, coordinating site activities, and contributing to the commissioning of HVDC equipment.

You will play a key role in supporting the energy transition by ensuring the reliable operation and service performance of advanced power‑electronics systems. In this role, you will manage service contracts, site activities, and provide hands‑on support during commissioning of and HVDC equipment. The role focuses on executing Long-Term Service Agreements (LTSA), troubleshooting, preventive and corrective maintenance, emergency site support. Working closely with customers and internal teams, you will help maintain system availability, resolve technical issues, and ensure safe, efficient execution of service activities. Your contribution will directly support customer satisfaction, operational excellence, and the continued growth of our service portfolio.

Lead and execute maintenance, onsite interventions, and technical support activities across HVDC transmission systems to ensure safe, reliable operation for global customers.

Manage all preparations for site activities, coordinating closely with end customers and internal teams to ensure smooth, efficient execution.

Perform commissioning activities on HVDC equipment, contributing to successful energisation and system handover.

Take ownership of the technical scope within multi‑year service contracts, ensuring high‑quality delivery and long‑term customer satisfaction.

Attend and lead customer meetings, identifying technical solutions that address operational needs and strengthen customer relationships.

Support minor renovation and upgrade projects for installations, applying technical knowledge to enhance system performance.

Execute HVDC Long-Term Service Agreement (LTSA) activities in accordance with contractual obligations.

Develop annual maintenance plans and coordinate scheduled outages with customers.

Perform preventive, predictive, and corrective maintenance on HVDC systems.

Prepare service reports, maintenance records, and technical documentation.

Ensure compliance with contractual KPIs, including system availability, response time, and maintenance quality.

Diagnose and resolve faults on HVDC systems, including converter valves, control and protection systems, power electronics, cooling systems, DC equipment, AC switchyards, and auxiliary systems.

Provide rapid on-site support during forced outages and emergency situations.

Conduct root cause analysis (RCA) and implement corrective and preventive actions.

Support remote troubleshooting and technical assistance for APAC HVDC projects.

Collaborate with engineering and product teams to resolve complex technical issues.

Support commissioning, functional testing, and system energisation of HVDC installations.

Participate in site acceptance tests (SAT), performance tests, and reliability runs.

Coordinate with customers, subcontractors, and internal engineering teams during site activities.

Ensure all site work complies with quality, safety, and environmental requirements.

Collaborate with the ITO (Inquiry‑to‑Order) team by providing technical expertise during tendering activities to ensure accurate, competitive proposals.

Requirements

~1 min read

Able to travel extensively to and from projects and various field assignments.

Willing to work holidays, weekends and overtime as required by field assignments.

Ability to spend considerable time away from home for training and field assignments.

Nice to Have

~1 min read

Experience with GE Vernova, Hitachi Energy, Siemens Energy, Hyosung, LS Electric (IGBT) and HD Hyundai Electric (rotating machine) or similar HVDC technologies.

Knowledge of converter valves, IGBT systems, DC switchgear, transformers, harmonic filters, and SCADA systems.

Familiarity with RCA methodologies and asset management systems.

Experience with remote diagnostics and digital service tools.

HV switching authorisation and EHS certifications are an advantage.

The ideal candidate should be a technically strong, safety‑minded power‑electronics /Electrical engineer with hands‑on site experience, excellent customer‑facing skills, and the ability to lead complex service activities on HVDC systems with:

Strong technical background with site experience in switching equipment, harmonic filters, instrumentation transformers, and commissioning of protection relays.

Practical expertise in technologies (thyristor‑ and IGBT‑based), with knowledge of rotating machines considered an advantage.

Proven ability to troubleshoot complex systems using network recorders, analysers, and detailed log/curve analysis.

Strong EHS awareness with the discipline to apply safety rules rigorously, especially during incidents or customer‑pressured situations.

Excellent communication skills, capable of writing clear reports, planning site activities, and managing customer interactions confidently.

Demonstrated problem‑solving ability, project‑management awareness, and experience leading on‑site teams during service or commissioning activities.

Engineering degree (or equivalent “house engineer” experience) in power electronics or Electrical, with hands‑on experience in drives HVDC systems.

English: Good verbal and written communication skills are mandatory.

Ability to prepare technical reports and communicate effectively with customers and project teams.

Knowledge of additional languages is an advantage but not mandatory.

Education

Bachelor's Degree in Electrical or Electronics Engineering with 5 to 10 years relevant experience Or

Diploma in Electrical or Electronics Engineering will also be considered, provided the candidate has more than 10 years of relevant experience in HVDC, FACTS, GIS, AIS, or EHV substation commissioning, maintenance, or field service.

Where and how you'll work

This is a fully remote position based in the South Korea. Work is site/project based

Relocation Assistance Provided: No