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Qualgo Technologies Vietnam

Senior Data Scientist (Autonomous Security Platform)

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  • Posted a month ago
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Job Description

We are building a next-generation Autonomous Security Platform. While our AI Agent Engineers focus on workflow orchestration, YOU will build the Senses and the Brain of the system.

This is a unique hybrid role where you bridge two worlds:

1. The Senses (Detection Core): Building high-precision Anomaly Detection models that run on bothEdge (Endpoints) and Cloud to filter noise & spot threats.

2. The Brain (Agent Intelligence): Fine-tuning specialized LLMs to equip our AI Agents with deepcybersecurity understanding (Log analysis, Threat intelligence reasoning)

Key Reponsibilities

Distributed Anomaly Detection:

  • Design lightweight, privacy-first models (e.g., Autoencoders, OCSVM) deployed on customer endpoints via ONNX/TFLite. Your challenge is to detect anomalies in real-time with a negligible CPU/Memory footprint.
  • Build heavy-duty Deep Learning models (Graph Neural Networks, Transformers for Time-series) to analyze complex behavioral patterns (UEBA) and lateral movement across the entire network.
  • Apply advanced Model Compression techniques (Quantization, Pruning, Knowledge Distillation) to bridge the gap between Research Accuracy and Production Performance.

Fine-Tuning Models for AI Agents:

  • Lead the initiative to fine-tune open-source LLMs (Llama 3, Mistral, Qwen) using techniques like LoRA/QLoRA.
  • Create specialized Expert Models that AI Agents can call upon to:

+ Understand raw logs (Splunk/JSON) better than generic models.

+ Summarize complex Incident Reports.

+ Reason for attack tactics (MITRE ATT&CK) with reduced hallucination

  • Build pipelines to convert unstructured Threat Intelligence and historical incident logs into high-quality instruction datasets for training.

MLOps & Collaboration:

  • Expose your Detection Models (e.g., Risk Score) and Fine-tuned LLMs as reliable APIs that the Agent System can consume during automated investigations.
  • Own the pipeline for continuous training, evaluation, and drift monitoring to ensure models adapt to ever-changing cyber threats.

Research & Innovation:

  • Stay up to date on the latest data science and machine learning research.
  • Explore and evaluate new techniques and technologies.

Qualifications

Must have:

  • Education: Bachelor's degree/ Master's degree or Ph.D. in Computer Science, Artificial Intelligence, Machine Learning, Electrical Engineering, or a related field.
  • 5+ years of experience in Data Science or Applied Machine Learning.
  • StrongproficiencywithPyTorchor TensorFlow and the Transformer architecture.
  • Experience deploying models into production.
  • Solid understanding of Statistics, Linear Algebra, and Optimization algorithms.
  • Experience with Anomaly Detection (Unsupervised Learning) and handling highly Imbalanced Data.
  • Hands-on experience with LLM Fine-tuning (HuggingFaceecosystem, PEFT/LoRA).
  • Familiarity with model optimization tools (ONNX,TensorRT,TFLite).

Nice to have:

  • Domain knowledge in Cybersecurity (Log analysis, Malware, Network traffic).
  • Experience with Graph Neural Networks (GNN) or Big Data tools (Spark/Kafka).

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Job ID: 139507681