
Co-Worker Technology Sweden AB · Sverige
Job Description Job Summary Lead commissioning activities for electrical substations, ensuring reliable operation of protection, control, and automation systems...
Job Description
Job Summary
Lead commissioning activities for electrical substations, ensuring reliable operation of protection, control, and automation systems.
Responsibilities
Requirements
We are seeking an experienced High Voltage Commissioning Engineer to support the commissioning, testing, and energization of high-voltage substations, transformers, switchgear, and associated power system equipment for large-scale energy, infrastructure, and industrial projects. The successful candidate will play a critical role in ensuring the safe and reliable startup of electrical systems while supporting project execution, testing, troubleshooting, and handover activities. Responsibilities Commission high-voltage (HV) equipment and substations Execute protection relay testing and verification activities Perform transformer, switchgear, and electrical equipment testing Support energization and startup activities Troubleshoot technical and commissioning-related issues Review commissioning procedures, test protocols, and engineering documentation Coordinate commissioning activities with engineering, construction, and operations teams Produce commissioning reports and technical documentation Support FAT, SAT, site testing, and handover activities Ensure compliance with safety standards, project requirements, and commissioning procedures Requirements Bachelor's degree in Electrical Engineering or a related discipline Experience commissioning HV substations and electrical equipment Strong understanding of power systems and substation infrastructure Knowledge of protection and control systems Experience with transformers, switchgear, relays, and HV testing activities Strong troubleshooting and analytical skills Excellent communication and documentation abilities Fluent English, both written and spoken Preferred Experience High-voltage (HV) and medium-voltage (MV) substations Protection relay testing and commissioning IEC 61850 and substation automation systems SCADA and communication systems Utility, EPC, renewable energy, or industrial power projects FAT, SAT, commissioning, and energization activities International project experience Site-based commissioning work
The Opportunity: This is an exciting opportunity to join a global team working at the forefront of advanced powersystem technology. As a Testing & Commissioning Engineer, you will contribute to ensuring that highly complex HVDC systems are delivered with the reliability, performance, and safety required for modern energy infrastructure worldwide. In this role, you will be involved in the full commissioning lifecycle—applying structured testing, verification, and quality assurance practices to confirm that systems meet their design intent and operate seamlessly once energized. Industrywide, commissioning engineers play a crucial role in validating system functionality, interpreting test results, and ensuring compliance with regulatory and performance standards. You will be part of an environment that values continuous improvement, technical curiosity, and cross functional collaboration. This role also gives you the opportunity to work with diverse teams across international project sites, gaining exposure to innovative technologies and contributing to sustainable energy solutions. For someone who enjoys problem-solving, hands-on engineering, and learning in dynamic settings, this position offers strong development potential and meaningful global impact. Your responsibilities • You will be part of a global team doing the testing and startup for HVDC (High Voltage Direct Current) converter stations all over the world • You will work closely with other business functions across projects to ensure adherence to regulatory compliance and customer specific requirements • You will be part of a team that oversees the installation of equipment, systems, and facilities to make sure that they function correctly and deliver the expected results • Living Hitachi Energy’s core values of safety and integrity, which means taking responsibility for your own actions while caring for your colleagues and the business • You will be traveling frequently and spend longer periods abroad Your background • You have hands-on experience from working with power systems (previous experience in HVDC and substation will be considered an added advantage) • Candidates who have hands-on experience with HVDC valve commissioning or operation will be considered a strong asset • You hold a bachelor’s degree or higher in Electrical Engineering or a relevant technical discipline • You have a good general technical understanding and are eager to learn more • As a person you are enthusiastic, determined with a positive attitude • You are comfortable communicating in English both written and spoken • Due to the international nature of the role and extended assignments outside Sweden, you have the unrestricted ability to travel and work across Europe for longer periods What we offer • Collective agreement • Flexible working time • Health care and wellness allowance • Fantastic career possibilities within Hitachi Energy both within Sweden and globally • Mentor to support you throughout onboard phase • Various trainings and education supporting employee development • Diversified company with over 70+ nationalities working in Sweden • Supplementary compensation for parental leave • Employee Benefit Portal with thousands of discounts and perks More about us Are you ready to join Hitachi Energy for a career with no limits and a place where you can be yourself? We are ready for you! Applications will be screened on an ongoing basis so we encourage you to apply today. Recruiting manager, Saliya-Bandara Tennakoon – saliya-bandara.tennakoon@hitachienergy.com, will answer your questions about the position. Union representatives: Sveriges Ingenjörer: Mikael Hjort, +46 107-38 29 86; Unionen: Fredrik Holmgren, +46 107-38 21 85. Ledarna: Frank Hollstedt, +46 10 7387043. Any other questions can be directed to Talent Acquisition Partner Johanna Davidsson Drakou johanna.davidsson-drakou@hitachienergy.com.
Global Commissioning is expanding across Europe and we're looking for experienced Electrical Commissioning Managers with Substation background to lead the commissioning of critical electrical infrastructure on major engineering projects. Whilst data centre experience is advantageous, it is not essential. We're particularly interested in professionals from: High Voltage (HV) Substations Transmission & Distribution Utilities Power Generation Renewable Energy Industrial or Heavy Electrical Infrastructure If you've managed complex electrical commissioning programmes and have a strong understanding of critical power systems, we'd love to hear from you. What You'll Be Doing You'll lead the planning, coordination and delivery of commissioning activities from design through to final client handover, ensuring projects are delivered safely, efficiently and to the highest quality standards. Responsibilities include: Leading electrical commissioning activities through Levels 2–5 Managing commissioning programmes and project documentation Reviewing test procedures, commissioning scripts and technical documentation Coordinating FATs, SATs and functional testing Managing multidisciplinary commissioning teams and subcontractors Chairing commissioning meetings with clients and stakeholders Identifying and mitigating commissioning risks Supporting integrated systems testing and project handover Producing commissioning reports and ensuring successful client acceptance What We're Looking For Essential Strong background in Electrical Commissioning Experience delivering HV/MV electrical infrastructure projects Previous experience within substations, transmission & distribution, utilities, power generation or similar critical electrical environments Excellent understanding of electrical protection, switching philosophies and commissioning processes Experience managing commissioning teams and client relationships HNC/HND, apprenticeship or equivalent electrical qualification CSCS, ECS, Safe Pass or equivalent Desirable Data Centre commissioning experience Experience of integrated systems testing Degree in Electrical Engineering Prince2 or equivalent project qualification