At Siemens Mobility, we empower transport providers worldwide to realize sustainable mobility solutions. As a leading technology company, we combine the real and digital worlds like no other in rail. In an open ecosystem, we bring together rolling stock, rail infrastructure, customer service, and software to enable sustainable, comfortable, and cost-effective rail traffic today. Transform the everyday through your role in creating sustainable transport solutions. Siemens Mobility Thailand is looking for a Railway Signalling Tester for our team in Bangkok. Create a better tomorrow with us. Responsible for testing, commissioning, and validating railway signalling systems, ensuring all equipment and functions operate in accordance with approved specifications, safety requirements, and operational standards. The

key

responsibilities include:

Perform installation, static, functional, dynamic, and commissioning tests on railway signalling systems and equipment to ensure compliance with approved specifications and testing requirements. Test and verify signalling components including signals, points, track circuits, axle counters, train detection systems, interlockings, level crossings, power supplies, and emergency operating functions. Conduct all testing activities in accordance with railway safety standards, establish testing boundaries and isolations, and verify safety-critical functions prior to system commissioning. Prepare and maintain accurate test records, certificates, defect reports, and commissioning documentation while ensuring traceability and adherence to approved procedures. Diagnose and resolve signalling system faults using structured troubleshooting techniques, test equipment, and coordination with engineering, design, and installation teams. Participate in commissioning activities, site integration testing, operational testing, and cross-functional coordination with track, power, telecommunications, SCADA, rolling stock, and civil teams. Ensure compliance with railway safety regulations, quality procedures, configuration control requirements, and continuous improvement initiatives while applying strong knowledge of signalling principles, interlockings, train detection, and signalling control systems. Use your skills to move the world forward Bachelor's degree or higher in Engineering or a related discipline. Relevant railway signalling qualification, technical certification, or equivalent hands-on experience, with practical expertise in signalling testing, installation, maintenance, or commissioning. Strong understanding of railway signalling principles, safety-critical systems, and railway safety requirements, with a commitment to safe working practices. Proven ability to interpret signalling drawings, circuit diagrams, specifications, and other technical documentation accurately. Experience using electrical and electronic test equipment, combined with strong fault-finding, troubleshooting, and problem-solving skills. Good written and verbal English communication skills, accurate documentation capabilities, and flexibility to work shifts, nights, weekends, and possession periods as required. Why you'll love working for Siemens Mobility We live and foster an ownership culture in which every employee takes personal responsibility for our Company's success. We invest in our team members, offering a wide variety of development opportunities. Below some of the other benefits we offer to our employees: Flexible working arrangements Flexible Benefits Program for employees & dependents Medical Insurance for Spouse and Children Siemens Share Options National & International opportunities Positive, inclusive and relaxed working environment Join a team dedicated to transforming the everyday for a more sustainable future. Siemens prides itself on its diverse workforce. Siemens has been recognised as ahead of its time for many reasons, and our progressive policies is one of them. We encourage applications that reflect the diversity of the communities within which we work. We are a proud equal opportunity employer, where we continue to push for a work environment of diversity and inclusion, we also believe that differences in personalities, thoughts and ideas are important, and that is why we know diversity and inclusion is very important in helping realise the potential of our people. As part of our Ownership culture, Siemens supports reasonable flexible working practices that empower our employees to best meet work and personal commitments.