About
🧠About This Blog
This blog explores the intersection between industrial automation, SCADA systems, and modern software engineering. It’s a space to share insights from real-world experience in automation design, cybersecurity in control systems, and the integration of AI tools (like GPT-based assistants) to optimize industrial workflows.
Here, you’ll find technical breakdowns, tutorials, and reflections on the evolution of automation — from PLC programming to prompt engineering.
👨‍💻 About Me
I’m Enrique Murias Fernández, an Automation and Industrial Computing Engineer. My background bridges electrical engineering, software development, and cybersecurity, and my passion lies in designing robust, scalable, and secure industrial systems.
I currently work at Cleverdist as a WinCC OA Developer & Industrial Software Engineer, focusing on SCADA architecture design, project migration, and the integration of advanced productivity tools using large language models.
🧾 Resume
Name: Enrique Murias Fernández
LinkedIn: linkedin.com/in/emurias
Certifications: C++, TwinCAT, WinCC OA Expert
đź’Ľ Professional Experience
| Oct 2023 – Present | WinCC OA Developer & Industrial Software Engineer · Cleverdist • Design and implementation of SCADA and network architectures • Integration of customer requirements and CI/CD pipelines • Migration of the LHC vacuum control framework for CERN • Reverse engineering of SCADA specification files • Deployment and commissioning of WinCC OA releases • Prompt engineering: developed GPT-4 assistants to automate repetitive tasks |
| Jan 2023 – Oct 2023 | Project Manager, SCADA Division · Tecdesoft Automation, A Coruña • Led technical and economic project proposals • Designed and commissioned SCADA systems and network infrastructures • Programmed custom drivers (NFC/RFID readers, meteorological/fire stations) |
| Jul 2018 – Dec 2022 | Automation & Industrial Computing Engineer · Tecdesoft Automation, A Coruña • Developed and commissioned SCADA systems and HMIs (WinCC OA since 2019) • Programmed PLC systems and supported network configuration • Delivered WinCC OA training courses to external clients |
| Mar 2016 – Sep 2017 | Electrical Engineer Trainee · Detegasa, A Coruña • Designed electrical and P&ID schematics for industrial equipment • Worked on systems for helicopter refueling, wastewater treatment, and heating systems |
| Apr 2011 – Jun 2011 | Higher Technician Trainee · Naturgy, Ferrol • Inspected overhead and underground lines for failures • Conducted grounding and commissioning tests on transformation centers |
🎓 Education
| 2017 – 2019 | Master’s in Automation Engineering and Industrial Informatics (MAIIND) · University of Oviedo Specialized in C/C++ programming, industrial automation, data visualization, and machine learning. Final project: Development and SCADA Security of a Ceramic Plant — graded 10 (MH). |
| 2011 – 2015 | Degree in Electrical Engineering · University of A Coruña Final project: Design of a Test Bench for Electromagnetic Compatibility Measurements — graded 10 (MH). |
| 2010 – 2011 | Higher Professional Training in Electrotechnical Installations · C.I.F.P. Ferrolterra Internship at Naturgy, Ferrol. |
🏆 Awards and Achievements
CVE-2020-10048 — Authentication Bypass Using an Alternate Path or Channel in SIMATIC WinCC and PCS 7.
Recognized by Siemens CERT and the Cybersecurity & Infrastructure Security Agency (CISA).CVE-2019-6855 — Improper Authorization - CWE-285 vulnerability in EcoStruxure™ Control Expert V14.0 and all versions of Unity Pro.
Listed in the National Vulnerability Database, with thanks from Schneider Electric CERT.
🧪 Projects
⚙️ Technical Skills
Operating Systems: Windows, Linux (Debian, Ubuntu, RedHat), Embedded Linux
Programming: C, C++, Python, Visual Basic, CONTROL++
Web Development: HTML, CSS, JavaScript
Automation Tools: WinCC OA, Siemens TIA Portal, Beckhoff TwinCAT 3, Schneider Unity Pro
Industrial Protocols: Profinet, Profibus, Modbus, CANbus, IEC61850, OPC UA/AE, OPC DA, MQTT, SNMP
Dev Practices: OOP, TDD, CI/CD, Git, Docker, Kubernetes
Cybersecurity: OS Hardening, SELinux, cryptography, reverse engineering, ISA/IEC62443
Data & Visualization: SQLServer, InfluxDB, Grafana, PowerBI
🌍 Languages
Spanish: Native
Galician: Native
English: Intermediate (B1)