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fearyj/README.md

๐Ÿ‘‹ Hi, Iโ€™m Ken

๐Ÿš€ HPC Performance Engineer | AI Systems Builder | Cybersecurity Engineer
๐ŸŽ“ Final-Year CS Student @ Nanyang Technological University Singapore

I work at the intersection of high-performance computing, AI infrastructure, and security engineering โ€” optimizing large-scale systems, profiling real workloads, and building automation that actually survives production environments.


๐Ÿ”ฌ What I Do

๐Ÿงฎ High-Performance Computing & Performance Engineering

  • Performance analysis and optimization of GROMACS, NWChem, SeisSol, SST
  • CPU/GPU benchmarking on V100, A100, L40S, H100, H200 and AMD EPYC / Intel platforms
  • Multi-node MPI scaling, energy efficiency analysis (Intel RAPL), and IO benchmarking
  • Profiling with Arm Forge (MAP/DDT), IPM, NVIDIA Nsight Systems
  • Ran and optimized workloads on NSCC Aspire2A/2A+, NCI Gadi, PSC Bridge2

๐Ÿค– AI Systems & Distributed Training

  • Fine-tuned LLaMA 3.1 (8B & 70B) using Megatron-LM + PyTorch on DGX H100
  • Optimized multi-GPU training throughput and NCCL communication
  • Built agentic AI systems using LangGraph for workflow automation
  • Experience with LitGPT, Ollama (Qwen3), MLPerf inference

๐Ÿ” Cybersecurity & SOC Engineering

  • SIEM rule tuning, alert correlation, and forensic log analysis
  • Vulnerability management, penetration testing, and IR playbook authoring
  • Built SOC automation with Wazuh, TheHive, Shuffle SOAR
  • Developed AI-assisted vulnerability verification to reduce false positives

๐Ÿ† Highlights & Competitions

  • ๐Ÿฅˆ 2nd Overall & Best AI Performance โ€” 7th APAC HPC-AI Competition
  • ๐Ÿฅ‰ 3rd Overall โ€” 8th APAC HPC-AI Competition
  • ๐Ÿ… Top 4 Overall - ISC25 Student Cluster Competition
  • ๐Ÿ… Top 4 Overall - SC25 Student Cluster Competition
  • ๐ŸŽ– Top 10 Finalist โ€” TechFest 2025

๐Ÿ›  Selected Projects

๐Ÿ” VulnDetect AI โ€” Intelligent Vulnerability Detection Platform

Python | FastAPI | LangGraph | CodeQL | React | Docker

  • Reduced CodeQL false positives by 85% using multi-agent AI verification
  • Built 5-node LangGraph system for static analysis, classification & remediation
  • Real-time WebSocket UI with explainable AI reasoning

๐Ÿง  HPC & AI Optimization Projects

  • Optimized LLaMA-70B training & inference on national supercomputers
  • SeisSol earthquake simulation & 3D visualization (Turkey 2023 dataset)
  • NWChem DFT energy simulations with performance/energy trade-off analysis
  • IO500, HPL, HPL-MXP benchmarking on in-house and national clusters

โš™๏ธ NTU HPC Cluster Management

  • 3-node Supermicro cluster (576 CPU cores, 20ร— H100 80GB GPUs)
  • 400 Gbps ConnectX-7 InfiniBand
  • Prometheus + Grafana monitoring, automated alerting, thermal tracking

๐Ÿงฐ Tech Stack

HPC & Performance
MPI CUDA Nsight Systems Arm Forge IPM Intel RAPL HPL IO500

AI / ML
PyTorch Megatron-LM LangGraph LitGPT Ollama LLMs

Security
Wazuh TheHive Shuffle SOAR Nessus Metasploit Wireshark

Infra & Dev
Linux Docker Kubernetes AWS EKS FastAPI React PostgreSQL


๐Ÿ“ซ Letโ€™s Connect

  • ๐Ÿ’ผ Interested in HPC research, AI infra, or security engineering
  • ๐Ÿค Open to collaborations, competitions, and research projects

๐Ÿ“ง Email: yoongkentan47@gmail.com ๐Ÿ’ผ LinkedIn: [linkedin.com/in/tan-yoong-ken-972a65252]


I enjoy turning complex systems into measurable, scalable, and efficient ones.

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