Sheik Husun Arasumian Sulaiman

Developed and maintained Java-based IEC 60870-5-104 communication libraries integrated with OpenMUC. Diagnosed and resolved software and integration issues to improve stability and protocol compliance. Built automation scripts to streamline workflows and reduce manual effort. Collaborated with cross-functional teams on testing, documentation, and deployment of IEC 60870-5-104 modules.

Developed C-based communication libraries for IEC 60870-5-104 enabling reliable TCP/IP SCADA communication. Implemented IEC 62351-5 security features to support authentication and message integrity. Designed and executed unit tests for IEC 60870-5-101 and 103 to ensure protocol compliance and robustness. Built internal automation scripts to improve development efficiency.

Key firmware developer in product security for legacy IO products. Collaborated with hardware and test teams on continuation and obsolescence projects. Resolved critical vulnerabilities in embedded web servers and applications, and implemented security features. Modified third-party code stacks for functionality and compliance. Implemented and updated CIP objects for EtherNet/IP per ODVA standards. Performed fuzzing, static analysis, and vulnerability testing. Supported Design for Security

Developed cloud-based assembly line monitoring portals. Integrated PLCs with IoT gateways (Ewon, IOT2050) to build on-premise monitoring systems. Designed interactive dashboards for KPI tracking, alarm monitoring, and status visualization. Built front-end components using Java and BASIC. Collaborated with mechanical and electrical teams to display key process parameters. Created an assembly line simulator. Initiated PoCs with Node-RED and LoRaWAN. Authored SOPs and process documentation.