FMCS / Siemens PCS7 Operations & Maintenance Engineer

About the position

FMCS / Siemens PCS7 Operations & Maintenance Engineer (12-Month Contract – Extendable) Location Bangkok / Samut Prakan (On-site, weekdays) Contract Type 12-month contract (extendable) Role Overview We are hiring an experienced FMCS / Siemens PCS7 Operations & Maintenance Engineer to support a large industrial facility environment. This is a hands-on role focused on daily system monitoring, preventive maintenance, breakdown support, reporting, and project support within a live BAS / FMCS environment. Key Responsibilities Perform daily operation checks on BAS / FMCS / PCS7 systems Monitor alarms, trends, and system performance (WinCC / PCS7) Troubleshoot breakdowns and support incident resolution ( target response within 2 hours ) Carry out scheduled preventive maintenance (PM) and weekly system backups Maintain PLC/IO monitoring points, termination lists, alarm & trend log files Support data extraction and reporting (energy / consumption / system logs) Assist with project support activities (point mapping, alarm configuration, graphics updates, testing & commissioning) Coordinate with internal teams and external vendors / OEM partners when required Requirements 5+ years of experience in Automation / Control Systems / PCS7 / FMCS support Strong hands-on experience with Siemens PCS7 and WinCC Experience supporting live industrial systems (O&M / troubleshooting) Good understanding of PLCs, instrumentation, field devices, and industrial networks Able to work on-site weekdays and support weekend on-call structure (as required) Nice to Have Experience in semiconductor, manufacturing, large facility environments Basic knowledge of SQL / database interaction Exposure to integration work (protocols, interfacing, third-party systems) Working Model On-site support (Monday–Friday) Weekend / public holiday support may be required

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