Role overview

Provide onsite support for OT and automation systems, including PLC, SCADA, HMI, communication modules, and related industrial control systems. The role focuses on troubleshooting, incident resolution, system recovery, patching, backups, and compliant change execution in line with site QMS and GAMP 5 requirements.

Responsibilities
- Support OT systems, incidents, service requests, and change management activities
- Troubleshoot PLC, SCADA, OPC/PI, and industrial communication issues
- Work with Siemens environments: TIA Portal, WinCC, Step 7, Step 5
- Support Siemens PLC systems and automation infrastructure
- Support Beckhoff automation systems (optional)
- Support DeltaV systems and automation components (optional)
- Analyze PLC CPU and communication diagnostics
- Resolve software, firmware, configuration, and communication issues
- Perform firmware, memory, and module health checks
- Support OT patching, firmware upgrades, and software updates




- Restore system communication and perform recovery actionsSupport PLC programming modifications and control logic adjustments
- Configure and maintain HMI/SCADA applications
- Participate in commissioning, FAT, SAT, and validation activities
- Support automation projects, upgrades, and system integrations
- Trace I/O and field signals using E&I; drawings and technical documentation
- Perform OT backups, restore procedures, and disaster recovery support
- Maintain validated system baselines and technical documentation
- Execute and document changes according to QMS/GAMP 5 procedures
- Coordinate with Engineering, Automation, IT, Production, Quality, OEMs, and vendors
- Support OT cybersecurity, access control, and system hardening activities

Qualifications
- Experience with OT, industrial automation, or control systems environments
- Strong knowledge of PLC and SCADA systems
- Hands‑on experience with Siemens TIA Portal, WinCC, and Step 7
- Experience with Step 5, Beckhoff, or DeltaV is an advantage
- Knowle

📌 OT Automation Engineer (Zaragoza)
🏢 D-Ploy
📍 Zaragoza