Industrial Systems Integration Engineer - English Dutch - ALTEN Belgium The Position As part of our ongoing growth, we are looking for a OT / MES Engineer to join our teams and work on client projects located in Brussels. As a Industrial Systems Integration Engineer, your main responsibilities will include: Develop and maintain MES–PLC–OT integrations using OPC‑UA, Profinet, MQTT; deploy new MES station integrations. Manage and improve datalogging with Python to ensure reliable traceability data and support ANDON, reporting and monitoring. Provide production line support by troubleshooting MES/PLC communication issues and minimizing production downtime. Drive continuous improvement through MES upgrades, performance optimization, OEE initiatives and automation. Maintain documentation and compliance for OT mappings, station configurations and MES workflows. Your profile: Strong knowledge of PLC communication and MES architecture: Siemens S7‑1500, OPC‑UA, Profinet, MQTT Solid experience in industrial and IT networking with hands‑on troubleshooting skills Ability to develop Python scripts and analyze SQL logs, datalogger outputs Experience with industrial data tools: InfluxDB, TimeScaleDB, PostgreSQL, Node‑RED, Power BI You have good communication skills in English and Dutch Working Conditions Permanent contract with an attractive salary package Company car with fuel card Representation fees Meal vouchers Mobile phone subscription Group insurance & healthcare insurance Possibility of remote work 20 legal vacation days 12 compensatory days What we offer Access to exciting projects in key sectors: Transport, Energy, Automotive, Telecom, Finance A diverse client base: Collaborations with both large corporations and smaller dynamic companies across Belgium A real career development plan : Continuous training, coaching, daily knowledge sharing An innovative and collaborative environment About ALTEN ALTEN is a world leader in engineering and technology consulting, with over 57 000 employees in more than 30 countries. We support major companies in their innovation, R&D, and digital transformation projects across sectors such as automotive, aerospace, energy, finance, life sciences, and telecommunications. Present in Belgium for over 25 years, ALTEN Belgium operates from its offices in Brussels and Antwerp. Today, with a team of 700 consultants ALTEN Belgium offers a wide range of expertise across Engineering, Life Sciences, and IT fields. From Automotive to Railway, and Medtech to Agrifood, our experts deploy their knowledge to provide innovative solutions in a dynamic and forward-thinking environment. Ready for a new challenge? Apply now and take part in innovative and impactful projects at ALTEN Belgium!