Sentra is the global leader in cloud-native data security for the AI era. The company’s mission is to empower organizations to confidently scale their data operations across multi-cloud and on-premises environments while leveraging the power of AI without compromising security.
Sentra’s unique approach enables enterprises to autonomously scan their environments without the need for agents, ensuring that data remains securely within their cloud or on-premises infrastructure. This innovative methodology sets us apart in the industry, providing organizations with control and visibility over their sensitive data at all times. Our commitment to excellence in data security posture management and data detection and response makes Sentra a leader in the field.
As a Data Scientist, you will lead research and development of advanced AI models - from LLMs and NER systems to generative and self-supervised architectures - that power Sentra’s data classification capabilities. You’ll explore emerging AI techniques, build prototypes and bring them to production.
Research & Innovation – Design and evaluate novel AI and NLP approaches (LLMs, generative models, self-supervised methods) to enhance entity recognition and contextual understanding.
Prototype to Production – Develop proof-of-concept models and collaborate with MLOps and engineering teams to harden and deploy them in production environments.
Experimentation Frameworks – Build tools and pipelines for large-scale experimentation, model evaluation, and continuous improvement.
Data-Driven Insights – Leverage Sentra’s unique datasets to define key metrics, drive iterative improvements, and balance precision-recall trade-offs.
Cross-Functional Collaboration – Work closely with Product and Engineering to align research direction with business and customer impact.
7+ years of experience in machine learning or AI research, with deep expertise in NLP, LLMs, or Generative AI.
Proven track record of delivering AI models into production, including model deployment, monitoring, and lifecycle management.
Strong proficiency in Python and deep learning frameworks (e.g., PyTorch, TensorFlow).
Hands-on experience with large-scale data processing (Spark, Ray, or similar) and cloud platforms (AWS, GCP, or Azure).
Solid understanding of MLOps practices, including continuous training, evaluation, and model versioning.
Excellent communication and collaboration skills, especially when working across product and engineering teams.
Proffered Qualifications
Experience in data security, privacy, or compliance domains.
Familiarity with LLM fine-tuning, and prompt optimization.
Experience with cloud-based AI training and fine-tuning frameworks.
Advanced degree (Master’s or Ph.D.) in Computer Science, Machine Learning, or related field.
Skills Required
- 7+ years of experience in machine learning or AI research
- Deep expertise in NLP, LLMs, or Generative AI
- Experience delivering AI models into production, including deployment, monitoring, and lifecycle management
- Strong proficiency in Python and deep learning frameworks such as PyTorch or TensorFlow
- Hands-on experience with large-scale data processing using Spark, Ray, or similar technologies
- Experience with cloud platforms such as AWS, GCP, or Azure
- Understanding of MLOps practices, including continuous training, evaluation, and model versioning
- Excellent communication and collaboration skills
- Experience in data security, privacy, or compliance domains
- Familiarity with LLM fine-tuning and prompt optimization
- Experience with cloud-based AI training and fine-tuning frameworks
- Master's or Ph.D. degree in Computer Science, Machine Learning, or a related field
What We Do
Sentra is the global leader in cloud-native data security for the AI era. The company’s mission is to empower organizations to confidently scale their data operations across multi-cloud and on-premises environments while leveraging the power of AI without compromising security. Sentra ensures data is secured no matter where it travels by automatically detecting vulnerabilities, misconfigurations, over-permissions, unauthorized access, data duplication and other security issues. It achieves this by intelligently discovering and classifying sensitive data, proactively managing security posture, enforcing granular access controls, and swiftly detecting and responding to threats. Its AI-powered platform automates complex tasks, adapts to evolving data landscapes, and provides enterprise-grade security with expert support. The company was founded in 2021 and is co-headquartered in New York City and Tel Aviv. For more information, please visit www.sentra.io.








