Keeper Security, Inc.Remote
Senior Machine Learning Engineer, Cybersecurity / Threat Detection
United States
Full-time
2 weeks ago
No H1B
Key skills
Machine LearningPythonVision-Language ModelsML Inference SystemsDockerDataset CurationModel Evaluation FrameworksCloud PlatformsSoft SkillsAIMLLLMLarge Language ModelsHugging FaceAWSAzureGCPBedrockGit
About this role
Keeper Security, Inc. is a leading cybersecurity company transforming how organizations protect their digital assets. They are seeking a Senior Machine Learning Engineer to enhance their AI-driven threat detection capabilities, focusing on detecting threats in privileged access sessions with high accuracy and low latency.
Responsibilities:
- Design, curate, and maintain datasets for training and evaluating threat detection models
- Build custom ML models for domain-specific threat classification and risk assessment
- Engineer and optimize prompts for vision-language models to analyze session behavior
- Create evaluation frameworks and benchmarks to measure accuracy, robustness, and reliability
- Develop Python-based inference services within Dockerized environments
- Integrate AI/ML capabilities with WebSocket, WebRTC, and low-level system interfaces for real-time analysis
- Write clean, maintainable code and produce clear technical documentation
- Monitor, troubleshoot, and optimize models in production for performance, scalability, and reliability
Requirements:
- 5+ years of professional experience in machine learning research or development
- Strong proficiency in Python
- Hands-on experience with dataset collection, curation, and labeling for ML training
- Experience designing model evaluation frameworks and performance benchmarks
- Experience working with vision-language models or large language models (e.g., GPT, Claude, Gemini, Qwen)
- Familiarity with prompt engineering techniques and LLM frameworks
- Experience building and deploying ML inference systems using Docker
- Working knowledge of graph data structures and their practical applications
- Familiarity with Git-based workflows and model repositories (e.g., Hugging Face)
- Experience using cloud platforms for ML deployment and inference (AWS, GCP, and/or Azure)
- Bachelor's or Master's degree in Computer Science, Machine Learning, Cybersecurity, or equivalent practical experience
- U.S. Person status required due to GovCloud involvement
- Experience with security, fraud, abuse detection, or anomaly detection systems
- Familiarity with PAM, identity, or privileged access environments
- Exposure to AWS Bedrock or similar managed AI services
- Knowledge of network protocols and low-level system interfaces