OUR PURPOSE At SentinelOne, we are driven by a clear purpose: to give the advantage to those who secure our future. As AI reshapes how organizations build, operate, and innovate, the responsibility to protect them becomes more critical than ever. When you join SentinelOne, your work helps protect global enterprises, critical infrastructure, and the technologies shaping tomorrow. If you are motivated by meaningful challenges and want your impact to be real, measurable, and global, you will find purpose here. ABOUT US SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Our AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems to deliver autonomous detection and response with clarity and speed. By combining real-time analytics, intelligent automation, and a unified data foundation, we reduce noise, simplify complexity, and empower security teams to focus on what truly matters. Our teams are builders, problem-solvers, and innovators committed to shaping the future of security. If you are excited to solve hard problems alongside talented, mission-driven people, we invite you to help us build a safer future for humanity. WHAT ARE WE LOOKING FOR? We’re looking for people who are relentlessly curious and committed to continuous learning. AI is reshaping every function across our business, and we enable every team member, regardless of role or level, to build fluency in AI tools and concepts. Those who thrive here actively seek out new solutions, experiment thoughtfully, and apply what they learn to drive better, faster, smarter outcomes. As a Senior Data Scientist, you will be tasked with joining our Static AI team, which develops state-of-the-art ML models that operate on millions of machines worldwide, evaluate billions of events daily, and make sub-second decisions to stop malware before it runs. You will bring together cross-functional skill sets, including data science, ML engineering, and software engineering, to research, develop, ship, and support ML malware detection engines across Windows, Mac, and Linux machines and cloud environments. WHAT WILL YOU DO? Primary responsibilities include: * Design and deliver innovative ML-based detection engines that make sub-second decisions to stop malware before it runs. * Research new approaches to AI and ML, and work with your peers to integrate the most promising advancements into our product. * Build analytics systems that learn from a wide variety of internal and external data sources to improve existing ML models and create new ones. WHAT SKILLS AND KNOWLEDGE WILL YOU BRING? Ideal candidates will have: * A degree in Computer Science or Mathematics, or equivalent experience. * Experience collecting, building, and tailoring large datasets for training ML models, specifically with classical ML algorithms, along with a solid grounding in fundamental ML concepts and statistics. * Active use of AI tools as part of your daily workflow. * Ability to work collaboratively to translate business requirements into technical solutions. * 3 or more years of experience designing, training, and evaluating ML models in production systems. * Independence, with the ability to own a project end-to-end from research to production and to work through difficult problems alone, since our ML problems might be "classical," but the actual setting of these problems is far from easy or convenient. * Strong communication skills, and the ability to communicate with people outside the team across a wide range of backgrounds and positions (product, support, engineering). * Willingness and ability to work in a diverse, globally distributed team. * A fiery determination and a strong team-player mindset; the team's defining trait is an "all hands on deck" attitude. * Cyber domain experience, working on security products, especially detection systems (preferably static file analysis or detection), is preferred. * Cloud infrastructure and MLOps experience is preferred. * Experience with Spark, PySpark, or Databricks is preferred. WHY SENTINELONE? AI is redefining how the world operates and rewriting the rules of security in real time, and SentinelOne was built for this moment. From day one, we architected an AI-native platform designed to operate at machine speed, not as an add-on to legacy systems but as the foundation itself. If you want to build where innovation and impact move together, this is that place. We invest in our Sentinels with comprehensive, competitive benefits designed to support you and your family: Equity & Rewards * Restricted Stock Units (RSUs) * Employee Stock Purchase Plan (ESPP) * Performance-based bonus Time Off & Wellbeing * Flexible time off, on top of the standard 5 weeks PTO * Paid company wellness days and fully paid short-term sick/nursing leave * Gender-neutral parental leave Insurance & Financial Security * Private medical care benefit * Life and disability insurance * Pension Insurance contribution * Global business travel medical insurance * Employee Assistance Program (EAP) Work Perks & Flexibility * Global home office allowance * Meal allowance * Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Only Prague-based employees are required to work from the office at least 2 days/week Wellness & Lifestyle * Wellbeing allowance * MultiSport benefit program * Wellness Coach app SentinelOne is proud to be an Equal Employment Opportunity and Affirmative Action employer. We do not discriminate based upon race, religion, color, national origin, gender (including pregnancy, childbirth, or related medical conditions), sexual orientation, gender identity, gender expression, age, status as a protected veteran, status as an individual with a disability, or other applicable legally protected characteristics. SentinelOne participates in the E-Verify Program for all U.S. based roles.

Senior Data Scientist- Cybersecurity

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