Senior Machine Learning Engineer, Prompt Security

18 hours ago

Israel SentinelOne Full time ₪120,000 - ₪180,000 per year

At Prompt Security, our mission is to empower organizations to safely harness the transformative power of Generative AI. As a one-stop security platform, we provide visibility, governance, and real-time protection against all Generative AI concerns, enabling organizations to innovate and prosper in the age of AI without compromising on security.

What are we looking for?

We're seeking a skilled ML Engineer to play a crucial role in designing, developing, and maintaining our Protections Engine that powers our Generative AI Security platform. This includes working on our Classification Engine with NER and pattern-based classifiers —enabling real-time, adaptive security. The ideal candidate will have hands-on experience developing end to end data projects, as well as a solid understanding of security best practices for endpoint clients.

What will you do?
  • Design, develop, and optimize a hybrid classification engine that combines rule-based (regex) and NLP models to accurately classify entities.
  • Enhance and maintain Named Entity Recognition (NER) models to extract structured information from text and improve classification accuracy.
  • Work closely with data engineers and domain experts to analyze existing regex classifiers, identify coverage gaps, and design ML-driven solutions.
  • Develop data pipelines for model training, evaluation, and deployment, ensuring scalability and reliability in production environments.
  • Optimize existing data workflows and troubleshoot issues to enhance performance, latency and reliability.
  • Lead end-to-end data projects, from requirements gathering to deployment and monitoring.
  • Stay updated with industry trends and emerging technologies to continuously improve our data engineering practices.
What skills & knowledge should you bring?
  • 5+ years of proven experience in software development
  • Strong proficiency in Python
  • Experience with NER-based and Regex-based classification
  • Experience with Data/ML related projects
  • Experience with use of GenAI in production - Advantage
  • Experience with Rust or Golang - Advantage
  • Excellent problem-solving skills and attention to detail
  • Proactive attitude and ability to thrive in a dynamic startup environment
  • Communication and collaboration skills

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