Senior Data Scientist

Comblack is hiring a Senior Data Scientist & AI Specialist for a large, established enterprise in Jerusalem.About the Role: In this role, you will develop complex analytical and statistical models (predictive, classification, machine learning, and anomaly detection), fine-tune and optimize Large Language Models (LLMs), design architectures for Retrieval-Augmented Generation (RAG) systems and autonomous AI agents, optimize database queries, and build robust APIs in an advanced technological ecosystem.Key Responsibilities:Design, develop, and deploy complex ML, NLP, predictive, and classification models.Fine-tune, monitor, and optimize LLMs and multi-modal data processing workflows.Architect and implement enterprise RAG pipelines, vector database solutions, and autonomous agent frameworks.Design scalable AI system architectures, APIs, automation workflows, and AI security protocols.Collaborate closely with engineering, data, and security teams across the entire product lifecycle.Requirements:4+ years of hands-on experience developing analytical models, Machine Learning solutions, predictive algorithms, and text classification systems.Proven experience fine-tuning, optimizing, and monitoring Large Language Models (LLMs) and multi-modal processing.Proven expertise in architecting RAG systems, working with vector databases, and building autonomous AI agents.Strong background in end-to-end system architecture, API development, automation tools, and security best practices for AI platforms.High proficiency in English.Significant Advantages:Background in defense or intelligence organizations (strong emphasis on Cyber / SIGINT).Experience with DevOps and MLOps practices.Why Comblack? Comblack is a company dedicated to creating accurate and meaningful connections between people and the right opportunities. We believe in a personal approach, uncompromising professionalism, and true end-to-end support, for both candidates and clients. At Comblack, you’ll find a dynamic, supportive, and innovative work environment that encourages growth and professional excellence.Interested? Send your CV to apply or reach out directly for more details.