Senior SCADA & IIoT Engineer

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Summary

Location

Athens (Hybrid)

Work

Full-time

Experience

4-6 years

Key Benefits
Private Health Insurance
Birthday Half Day
Hybrid
Parking Facilities

About this Job

As a Senior SCADA & IIoT Engineer, you will be a key technical contributor within our Solutions Department, supporting the design, architecture, and delivery of advanced SCADA and IIoT solutions for industrial and energy applications.

You will work closely with internal teams and customers, providing deep technical expertise across the full project lifecycle - from system design and integration to commissioning and support - while also acting as a technical reference point for complex solutions.

Responsibilities

  • 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

  • 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

  • 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

About the Company

I4 Energy logo

I4 Energy

Privately Held
Industrial ManufacturingSystem IntegrationEnergy & Mining

i4energy is an established energy technology company based in Greece, developing field-proven energy management software solutions for Power Producers, Aggregators, Large Consumers/Prosumers and Energy Communities/Smart Cities. We provide innovative technology that empowers energy stakeholders in their transition toward sustainability, meeting zero-emission targets, optimizing operations, and maximizing profitability. Driven by continuous R&D investment, i4energy delivers advanced digital solutions through the 𝗮𝗰𝗿𝗼𝘀𝘀® platform, a purpose-built energy management platform. 𝗮𝗰𝗿𝗼𝘀𝘀® integrates self-learning AI-driven insights, advanced energy algorithms and big data analytics to transform real-time data into actionable intelligence for automated efficient operations management, real-time control and optimized decision-making. Our solutions offer scalability, adaptability and future-proof investments. Built on open architecture, our flexible IoT environment enables seamless integration of various connectivity technologies, while ensuring effective management and control of diverse infrastructures. Staffed with experts in their fields, i4energy's teams of skilled electrical and software engineers have a proven track record of successfully delivering complex power and energy management projects. i4energy undertakes complex turnkey projects, delivering comprehensive software, services and equipment packages. We ensure seamless system engineering, reliable installation, and high performance across every project. We are certified with ISO 9001, ISO 27001, and ISO 50001, ensuring quality, data security, and energy management compliance. Our company is also certified by 𝗚𝗿𝗲𝗮𝘁 𝗣𝗹𝗮𝗰𝗲 𝘁𝗼 𝗪𝗼𝗿𝗸®𝗛𝗲𝗹𝗹𝗮𝘀 as a great place to work! We firmly believe that our people are the driving force behind our success, empowering innovation and unlocking potential in everything we do.

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