Test System Engineer
Hitachi Energy Sweden AB · Ludvika · Tills vidare · Deadline 2026-10-25
Hitachi Energy Sweden AB is seeking a **Test System Engineer** based in Ludvika to develop, maintain, and improve automation systems used in advanced testing facilities for power electronics and HVDC converter valves. Working within the High Voltage Direct Current business unit, the role focuses on PLC programming, HMI development, and control system troubleshooting, including work with MACH systems. Responsibilities also cover root-cause investigations, lifecycle management, preventive maintenance tracked via digital tools such as CMMS, and ensuring compliance with safety standards and industrial control regulations. Candidates must hold a **bachelor’s or master’s degree** in electrical engineering, automation, mechatronics, or a related field. Essential qualifications include practical experience in **PLC programming and troubleshooting**, industrial HMI/SCADA development, and automated system root-cause analysis, alongside the ability to interpret electrical schematics and control documentation. Applicants must also possess knowledge of industrial communication protocols—such as Profinet, Profibus, Modbus, Ethernet/IP, or OPC UA—and demonstrate **fluency in English**, both written and spoken.
The opportunity
We are seeking a proactive and skilled Test system Engineer to develop, maintain, and improve the automation systems used in our advanced testing facilities for power electronics and HVDC converter valves at the HVDC Test Center.
In this role, you will be responsible for PLC programming, HMI development, control system troubleshooting, and continuous improvement of automated test systems. You will also support preventive maintenance activities and ensure the reliability, availability, and safety of critical test equipment and infrastructure.
You will be part of High Voltage Direct Current in Ludvika. We develop, manufacture, and sell DC transmission systems worldwide. HVDC technology is used to transfer electrical energy over long distances, enable power transmission through subsea cables, and connect power grids operating at different frequencies.
This role is based in Ludvika, Sweden.
How you’ll make an impact
- Develop and maintain PLC-based automation and control systems for advanced HVDC test equipment, including MACH.
- Design and enhance HMI solutions to improve usability, efficiency, and operational safety.
- Diagnose and resolve automation, control, and communication issues across complex test environments.
- Lead root cause investigations and drive corrective actions to improve system reliability and performance.
- Support commissioning, upgrades, and lifecycle management of test and automation systems.
- Ensure high equipment availability through preventive maintenance and continuous improvement initiatives.
- Collaborate with engineering, software, and manufacturing teams to deliver robust automation solutions.
- Utilize CMMS and other digital tools to track maintenance activities, equipment performance, and improvement initiatives.
- Ensure compliance with safety standards, regulations, and industrial control system requirements.
- Maintain technical documentation and provide technical guidance on automation systems and test equipment.
Your background
- Bachelor’s or Master’s degree in Electrical Engineering, Automation, Mechatronics, or a related field.
- Hands-on experience with PLC programming, troubleshooting, and industrial automation platforms.
- Experience developing and maintaining HMI/SCADA solutions in industrial environments.
- Knowledge of industrial communication protocols such as Profinet, Profibus, Modbus, Ethernet/IP, or OPC UA.
- Ability to read and interpret electrical schematics, control system documentation, and instrumentation drawings.
- Experience troubleshooting automated systems and performing root cause analysis.
- Strong problem-solving, collaboration, and communication skills, with the ability to work across multidisciplinary teams.
- Fluency in English, both written and spoken.
More about us
We believe great work thrives in an environment where people feel genuinely supported and fairly rewarded. Our benefits are designed to create real value for every individual – fueling engagement, performance, and growth. By prioritizing well‑being, we build a workplace where personal and organizational success grow together.
Our benefits offering for our roles generally includes:
- Collective agreement, occupational pension & possibility of salary exchange to pension (for ITP1 and ITP2)
- Group life insurance and additional insurances.
- Flex-time and shortening of working hours in time bank
- Hybrid work & allowances for setting up a workplace at home (in agreement with line manager)
- Health care and wellness allowance
- Health insurance incl. dental, spectacles & contact lenses allowance (employee pay 140 sek/month via salary deduction)
- Psychological support program
- Supplementary compensation for parental leave
- Various trainings and education supporting employee development
- Internal career possibilities both within Sweden and globally
- Employee Benefit Portal with thousands of discounts and perks
The benefits listed above are an excerpt only and may vary depending on job grade, location and contract type. Eligibility is subject to local regulations.
Are you ready for a new and exciting opportunity? Does this role sound like a good match for your skills and ambitions? Applications are reviewed on an ongoing basis, so we encourage you to apply today.
Recruiting Manager Frida Bengter, frida.bengter@hitachienergy.com, will answer your questions about the position. All other questions can be directed to Talent Acquisition Partner Oliver Chicaiza, oliver.chicaiza@hitachienergy.com
Union representatives – Ledarna: Frank Hollstedt, +46 107-38 70 42. Sverige Ingenjörer: Mikael Hjort, +46 107-38 29 86. Unionen: Fredrik Holmgren, +46 107-38 21 85