SYSTEM_STATUS: NOMINAL  |  LOCATION: SEI MANGKE

Building Reliable Industrial Systems.

Bridging Edge Intelligence with Enterprise Cloud Infrastructure.

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Profile_Brief

I am an Industrial IT and Infrastructure Engineer specialized in integrating physical hardware with secure digital platforms.

My focus is on reliability, uptime, and architectural clarity in high-pressure production environments.

>> OPERATIONAL_PROFILE
Current_OrgUnilever Oleochemical
Primary_FocusEdge-to-Cloud Integration
System_State ONLINE

Case_Study_Repository

Deep dives into industrial deployments.

System_Blueprint

Edge_Level
Sensors & MCUs
ArduinoESP32ATmega328
→
Protocol_Layer
Modbus RTU / MQTT
RS485RS232I2C / SPI
→
Gateway
Edge Processing
Raspberry PiNGINXNode-RED
→
Cloud
Enterprise Infrastructure
AWS IoTLambdaEntra ID
>> DESIGN_PRINCIPLES
01Fault-tolerant edge nodes with local buffering and retry logic.
02Encrypted transport using TLS 1.3 from device to cloud.
03Role-based access control via Microsoft Entra ID integration.
04Stateless Lambda functions for horizontal scalability.
>> STACK_OVERVIEW
FirmwareC++ / Arduino Framework
ProtocolModbus RTU, MQTT
CloudAWS IoT, Lambda, S3
IdentityMicrosoft Entra ID
ERPSAP S/4HANA

Work_Timeline