Systems & Building Engineer – 100% – Permanent contract???? Givisiez | Hybrid possible Your daily life – Your mission with us Technical analysis of heating, cooling, and HVAC systems performance Analysis of existing energy, measurement, and infrastructures (Meters, networks, protocols, hydraulic and electrical diagrams) Technical support for offers with the sales team Design and development of architecture (Modbus TCP/RTU, BACnet, M-Bus, API, IoT, LAN/WAN networks, LoRa, mobile networks) Definition of solutions with existing systems (meters, testing and commissioning of the ECCO2 sensor infrastructure) Level 2/3 technical support for internal teams and partners in technical solution development and ongoing architecture, strategies, and best practices collaboration with partners occasional on-site visits or audits (20–40 %) Your skills – What you bring a degree in electrotechnics, building technology, industrial engineering, or equivalent. ES/HES or equivalent experience highly appreciated Solid understanding of heating systems and building technologies Experience with heating and HVAC systems Excellent mastery of protocol knowledge of systems (Modbus, BACnet, M-Bus, API, IoT, etc.) and IT networks (TCP/IP, understanding data structures and data types) in the design of complex systems or technical solutions Experience in advanced troubleshooting and complex problem analysis Autonomy, rigor, and sense of responsibility Interest in energy systems and the energy transition Very good knowledge of German and French (B2–C1) and good knowledge of English (B1–B2) Class B driving license Life within ECCO2 An exciting job in a young, growing company A close-knit and motivated team based on flexible work hierarchy and possibility of remote work A concrete mission focused on the future Our mission is to contribute to a more sustainable world by reducing the energy consumption of buildings through unique technology consisting of high-precision data, AI, and predictive remote control of heating. One tracking allows us to draft energy reports, formulate personalized recommendations, and assist our clients in reinvesting in their buildings, and this is just a part of our activities, are you interested in joining us? If so, we would be delighted to receive your complete application. jid eaen jit0418aen jpiy26aen