10/07/2026 updated

**** ******** ****
100 % available

Senior PLC Programer

Laguna de Duero, Spain
Only remote
Laguna de Duero, Spain
Only remote

SIMATIC WinCC (SCADA System)Tia PortalSiemens S7
Industrial Automation Engineer & Senior PLC Programmer | Siemens TIA Portal Specialist
Automation Engineer with X+ years of experience in designing, developing, and deploying industrial control systems. Highly specialized in the Siemens ecosystem, with advanced proficiency in TIA Portal (V15 to V19).
Core Technical Skills:
• PLC Programming: Simatic S7-1500, S7-1200, S7-300/400 using LAD, SCL (Structured Text), and STL. Development of modular, reusable, and fail-safe logic.
• HMI / SCADA Systems: High-end interface design using WinCC Advanced, Professional, and WinCC Unified.
• Industrial Networks & IoT: Setting up Profinet, Profibus, and Modbus TCP architectures, as well as data integration via OPC UA servers.
• Simulation & Virtual Commissioning: Validation of control logic using PLCSIM Advanced and Factory IO to accelerate physical commissioning.
Industry Experience: Automotive, Water Treatment, Food & Beverage, and Logistics.
Key Achievements:
• Successfully migrated X legacy Step 7 projects to modern TIA Portal platforms, decreasing plant downtime by X%.
• Developed the complete automation logic for an assembly line with X independent operating stations.
Available for remote PLC code development, offline programming, and site commissioning support.

Experience

Professional experience10+ years
Freelancer since2026

Languages

EnglishBasic knowledgeSpanishNative speaker

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