> Hey There! I am Vignesh Vijayamangalam Saminathan
an AI Engineer building intelligent, secure deep learning architectures
📑 Analysis of Deep and Graph Neural Networks for Enhanced DDoS Attack Detection: A Pathway to Hybrid Models
Mahendran, S., Vignesh, V. S., et al. (IEEE, 2026)
Evaluated Deep Neural Networks (DNNs) and Graph Neural Networks (GNNs) inside a Software-Defined Networking (SDN) framework to capture spatial/topological traffic anomalies, achieving superior accuracy against standard and novel DDoS attack vectors.
📑 An Intelligent Plug-In Playable Orchestration Model that Combines Gen-AI Prompting, RAG and Agentic AI for Efficient Cybersecurity Operations
Mahendran, S., Vignesh, V. S., et al. (Springer Nature, 2026)
Developed a plug-and-play orchestration framework integrating Generative AI prompts, RAG, and Agentic AI workflows to optimize security event management, leveraging Model Context Protocol (MCP) and agent-to-agent interactions.
Dec 2025 – March 2026
- Architected a scalable multi-modal RAG system using vector search engines and Neo4j for graph-based multi-hop retrieval.
- Leveraged open-source frameworks to index heterogeneous archival document corpora, enabling rapid semantic search across massive text records.
- Engineered an OpenCV-based document restoration pipeline to remove digital artifacts and improve downstream text extraction accuracy.
AWS BedrockNeo4jFAISSRedisOpenCV
March 2025 – April 2025
- Designed Microsoft Security Copilot plugins with RAG pipelines (DeepSeek R1) for context-aware KQL generation; implemented agentic workflows that measurably reduced SOC incident response time.
- Shipped plugins to production via CI/CD pipelines in collaboration with senior engineers.
- Contributed to AI-powered solution development, collaborating on healthcare chatbots and data analysis tools.
DeepSeek R1KQLMicrosoft Security CopilotAgentic WorkflowsCI/CD
Built an end-to-end web suite for automated network tools, socket utilities, and client-side network diagnostics. Engineered modular architecture to handle real-time API queries, response benchmarking, and payload formatting.
TypeScriptReactREST APIsDiagnostics
Designed a real-time big data system to detect facial expressions from video, audio, and text streams using YOLO and ViT. Integrated models using Spark Streaming to pipeline Bronze, Silver, and Gold medallion HDFS data pools.
YOLOViTNLPSpark StreamingHDFSScala
Developed a deep learning architecture incorporating fine-tuned HuBERT speech embeddings and 2D Convolutional Neural Networks for acoustic feature extraction. Engineered an analytical framework to map raw signals into distinct emotion categories.
Deep LearningSpeech ProcessingHuBERTCNNAcoustics
Implemented stochastic modeling using Monte Carlo methods to evaluate disruptions, lead times, and financial risk profiles within a logistics pipeline. Modeled statistical distributions to forecast stockouts and optimize inventory rules.
Stochastic ModelingPythonSimulationRisk Analytics
| Languages | Deep Learning | Databases & Cloud | Tools & Ops |
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Python C++ Java TypeScript |
PyTorch TensorFlow OpenCV |
Neo4j Redis PostgreSQL |
AWS Bedrock Docker Git |
⚡ Building secure, high-speed neural architectures & agentic platforms.
