Lead end-to-end data science initiatives to design, build, deploy, monitor, and optimize security-focused AI systems. Develop ML models, LLM fine-tuning, AI agents, and partner with product, engineering, and security teams while mentoring others.
Description
This role combines deep technical expertise with leadership responsibility, driving multidisciplinary Data Science initiatives end-to-end within complex, security policy management systems.
The role drives the development of innovative, production-grade AI capabilities - including security AI agents and advanced machine learning models built on complex security data.
Original thinking, deep technical rigor, intellectual agility, and exceptional problem-solving are essential.
Key Responsibilities
- Lead end-to-end Data Science initiatives from problem framing through validation, CI/CD-based production deployment, monitoring, and ongoing operational optimization of AI systems
- Design and implement security-focused AI agents and reasoning systems
- Develop advanced ML capabilities, including predictive modeling, anomaly detection, and classification
- Adapt and fine-tune LLM technologies for domain-specific security use cases
- Partner with Product, Engineering, and Security teams to deliver measurable business impact
- Provide technical leadership and mentorship across multidisciplinary Data Science initiatives
- M.Sc. in Data Science, Computer Science, Statistics, Mathematics, or a related quantitative discipline
- At least 7 years of hands-on Data Science experience, delivering end-to-end solutions into production environments
- Deep understanding of machine learning theory and practical model behavior
- Strong expertise in Python and the modern Data Science ecosystem (NumPy, Pandas, Scikit-learn, PyTorch / TensorFlow, etc.)
- Solid understanding of LLM architectures and fine-tuning methodologies
- Excellent interpersonal skills and proven ability to work within multidisciplinary product teams
- Strong analytical rigor and structured problem-solving capability
Advantage
- Experience with ML observability, model monitoring, or drift detection.
- Experience with graph technologies, such as Neo4j.
- Experience with Generative AI, RAG, GraphRAG, semantic search, vector databases, or domain-specific LLM fine-tuning / adaptation.
- Experience designing and deploying AI agents or multi-step reasoning systems in on-premise environments.
- Background in network security, firewall policies, or compliance analytics.
Similar Jobs at Tufin
Security • Cybersecurity
As a QA Engineer in DevOps, you will test and analyze requirements, write test cases, debug environments, and investigate customer scenarios.
Top Skills:
Ci/CdDockerGoJavaJenkinsKotlinKubernetesLinuxPython
What you need to know about the Chicago Tech Scene
With vibrant neighborhoods, great food and more affordable housing than either coast, Chicago might be the most liveable major tech hub. It is the birthplace of modern commodities and futures trading, a national hub for logistics and commerce, and home to the American Medical Association and the American Bar Association. This diverse blend of industry influences has helped Chicago emerge as a major player in verticals like fintech, biotechnology, legal tech, e-commerce and logistics technology. It’s also a major hiring center for tech companies on both coasts.
Key Facts About Chicago Tech
- Number of Tech Workers: 245,800; 5.2% of overall workforce (2024 CompTIA survey)
- Major Tech Employers: McDonald’s, John Deere, Boeing, Morningstar
- Key Industries: Artificial intelligence, biotechnology, fintech, software, logistics technology
- Funding Landscape: $2.5 billion in venture capital funding in 2024 (Pitchbook)
- Notable Investors: Pritzker Group Venture Capital, Arch Venture Partners, MATH Venture Partners, Jump Capital, Hyde Park Venture Partners
- Research Centers and Universities: Northwestern University, University of Chicago, University of Illinois Urbana-Champaign, Illinois Institute of Technology, Argonne National Laboratory, Fermi National Accelerator Laboratory

