Job Description

FMCS / Siemens PCS7 Operations & Maintenance
Engineer (12-Month Contract – Extendable)

Location

Bangkok / Samut
Prakan (On-site, weekdays)

Contract Type

12-month contract (extendable)

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