Test and Assembly Engineer

Location: Samut Prakan, Samut Prakan, Thailand Job ID: R0132589 Date Posted: 2026-06-22 Company Name: HITACHI ENERGY (THAILAND) LIMITED Profession (Job Category): Engineering & Science Job Schedule: Full time Remote: No Job Description: The opportunity: Test and assembly engineer is responsible for supervising and performing the assembly of LV and MV Capacitor Bank panels, resolving technical issues that arise during the assembly process, and conducting functional testing to verify that completed units meet technical specifications, safety requirements, and customer expectations. The role involves close collaboration with engineering, production, quality assurance, and project management teams to ensure on-time delivery of reliable and fully tested capacitor bank systems. How you’ll make an impact: Test Responsibilities Perform functional testing on complete Capacitor Bank panels to verify correct operation of power circuits, control circuits, protection relays, switching sequences, and communication interfaces. Lead and support customer Factory Acceptance Tests (FAT) and witness tests, ensuring all test activities meet contractual and technical requirements. Identify, analyze, and resolve assembly defects and functional test failures in a timely and systematic manner. Conduct root cause analysis (RCA) for recurring test and assembly issues and implement corrective and preventive actions (CAPAC) Assembly Responsibilities Review assembly drawings, wiring diagrams, and equipment to verify accuracy and completeness prior to and during assembly. Monitor assembly progress to ensure adherence to production schedules, quality standards, and safety requirements. Prepare accurate assembly inspection records, functional test reports, and handover documentation for each completed Capacitor Bank unit. Your background: 3-5 years of hands-on experience in panel assembly or functional testing of LV and/or MV electrical switchgear, similar power equipment or capacitor banks is advantageous skills Bachelor’s degree or equivalent in Electrical Engineering, Electrical Technology, or a related field. Good understanding of electrical power systems, LV or MV equipment. Experience in the setup and configuration for protection relays or equivalent devices. Ability to read and interpret electrical drawings, wiring diagrams, schematics, and single-line diagrams accurately. Proficiency in operating functional test equipment such as insulation resistance testers, hi-pot testers, multimeters, and protection relay testing. Practical troubleshooting and problem-solving skills for electrical assembly defects and functional test failures. Good command of English skills. Proficient in Autocad2D, Microsoft Office. More about us: We offer, at Hitachi Energy Thailand, we offer a suite of employee benefits to complement our pay offering, supporting employees’ financial, physical and mental wellbeing: 1 month of guaranteed bonus (Fix bonus) plus Performance Bonus. (Depending on employee’s performance result and Business performance). 10 days annual leave (Service year 0-5), 15 days annual leave (Service year 6-10), flexible working policy, Flexibility working time. Benefit according to local standards: Heath-care insurance benefits to employees and their dependents, annual health checkup, Provident Funds (employees can contribute up to 15%). Growth possibility: Learning and development platform, career movement opportunity within organization. Possibility to gain experience in international environment. Please be advised that the benefits provided may differ depending on the employee’s country of hire. Qualified individuals with a disability may request a reasonable accommodation if you are unable or limited in your ability to use or access the Hitachi Energy career site as a result of your disability. You may request reasonable accommodations by completing a general inquiry form on our website. Please include your contact information and specific details about your required accommodation to support you during the job application process. This is solely for job seekers with disabilities requiring accessibility assistance or an accommodation in the job application process. Messages left for other purposes will not receive a response. Hitachi brings together the world’s greatest minds to help breathe life into new possibilities – and drive innovation for a better future. That’s why we look for individuals who share our pioneering spirit, have imaginative ideas and are fearless when it comes to tackling the world’s biggest challenges. Our people love technology – and they love making a difference. They have a passion for finding new solutions and working with brilliant colleagues. Every day they dedicate themselves to a huge range of exciting projects, contributing to the Hitachi vision around the globe. From engineering new sustainability solutions that conserve water and energy to creating the infrastructure for the smart cities of tomorrow, there’s no challenge too great for our pioneers. And there’s no shortage of opportunities for you to make a difference. Come and experience the dynamic, collaborative and creative environments where your ideas are welcome and new discoveries are waiting. To help you grow to your full potential, we strive to support our employees in their career aspirations and promote the freedom to explore new horizons. E-mail us for data privacy inquiries or technical support.