i4 Energy S.A.

Senior SCADA, IIoT Engineer

i4 Energy S.A.

full-time

Posted on:

Location Type: Hybrid

Location: Athens • Greece

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Job Level

Senior

Tech Stack

Linux

About the role

  • Design and develop SCADA/HMI applications based on project and customer requirements
  • Contribute to the **architecture and implementation of IIoT solutions**, including system integration and data flow design
  • **Configure and integrate industrial systems** (PLCs, RTUs, edge devices) using protocols such as **Modbus, OPC UA, IEC 60870-5-104**
  • Support **end-to-end system integration**, ensuring reliable communication between field, control, and data layers
  • Provide **advanced technical support and troubleshooting** (remote & on-site) for complex systems
  • Participate in **commissioning activities**, ensuring system performance, reliability, and proper functionality
  • Collaborate with engineering and project teams across **all project phases**
  • Prepare and maintain **technical documentation** (design specifications, configurations, manuals)
  • Act as a **technical reference point** for complex issues, solution design, and best practices

Requirements

  • Degree in **Electrical Engineering, Computer Engineering, or related field**
  • **4–6+ years of experience** in SCADA / IIoT / industrial automation
  • Strong hands-on experience with **SCADA/HMI development**
  • Strong understanding of **industrial communication protocols and OPC technologies**
  • Good understanding of **MQTT and data-oriented architectures**
  • Experience with **system integration** (PLCs, RTUs, industrial equipment)
  • Familiarity with **Windows & Linux environments**
  • Experience in **commissioning or field support**
  • Strong **problem-solving and analytical mindset**
  • Fluency in **English**
  • Availability for **occasional travel**
Benefits
  • Competitive salary and benefits package
  • Private health insurance with extra benefits
  • Parking facilities
  • Long-term career growth in the maritime and energy sector
  • Half day off on your birthday
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
SCADAHMI developmentIIoT solutionssystem integrationModbusOPC UAIEC 60870-5-104MQTTdata-oriented architecturescommissioning
Soft Skills
problem-solvinganalytical mindsettechnical supportcollaborationcommunication
Certifications
Degree in Electrical EngineeringDegree in Computer Engineering