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 Testing & Commissioning operations engineer (T&C Operations Engineer).

This is your role. What part will you play?

The Testing & Commissioning operation engineer (T&C Operation Engineer) represents the M&E Consortium at the Operational Control Centre (OCC) during the T&C phase of the Orange Line metro project. The role coordinates, executes, and monitors system and integrated testing in line with contractual, safety, and schedule requirements, supporting system integration and readiness for handover.

The key responsibilities will include but not limited to:

• Coordinate and execute OCC‑based testing in compliance with contract requirements, Employer’s Specifications, approved T&C plans, test procedures, method statements, ICDs, and safety regulations to achieve contractual milestones (e.g. Trial Running and Trial Operation).
• Act as the central CCR interface, coordinating integrated testing across multiple M&E subsystems (signaling, rolling stock, telecom, PSD, DWE, CCTV, TETRA, PIDS, PA, etc.) and external stakeholders, and support resolution of interface and integration issues.
• Verify system behavior and test execution against design functions, operational, emergency, and degraded mode scenarios from an operational perspective, supporting system acceptance and readiness for handover.
• Plan and manage operational readiness for testing, including train fleet availability, shunting activities, driver allocation, safe train movements, system configuration, test resets, and compliance with Permit to Work and movement authority processes.
• Monitor, report, and document testing activities, including anomalies, defects, NCRs, corrective actions, daily test logs, CCR punch lists, audit support, trial running assistance, operator training and familiarization, and smooth handover to the Operator.

Use your skills to move the world forward.

• Degree or diploma in Railway, Electrical, Systems Engineering, Transportation, or related field, with 3–7 years’ experience in metro/railway projects.
• Experience in Testing & Commissioning, system integration, or CCR/OCC operations, with exposure to dynamic testing and trial operations as a plus.
• Strong knowledge of OCC processes and basic understanding of signalling, rolling stock, communications, PSD, depot interfaces, and defect tracking tools.
• High safety awareness, strong coordination and reporting skills, and ability to perform under tight schedules and contractual pressure.
• Fluent in Thai and English, flexible for shift work (including nights), and capable of supporting trial operations and handover to the Operator.

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.