Senior Data Scientist - Cybersecurity
Hybrid (Prague, Czechia)Full-timePosted 4w ago
About the role
Senior Data Scientist on SentinelOne’s Static AI team, developing state-of-the-art ML models for malware detection across Windows, Mac, Linux, and cloud environments; responsibilities include research, development, deployment, and support of ML malware detection engines with sub-second decisioning.
Responsibilities
- 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 integrate promising advancements into the 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
Qualifications
- Degree in Computer Science or Mathematics, or equivalent experience
- Experience collecting, building, and tailoring large datasets for training ML models, with classical ML algorithms and solid ML/statistics fundamentals
- Active use of AI tools in daily workflow
- Ability to translate business requirements into technical solutions
- 3+ years of experience designing, training, and evaluating ML models in production systems
- Independence to own a project end-to-end from research to production
- Strong communication skills across diverse stakeholders
- Willingness to work in a globally distributed team
- Team-player with an “all hands on deck” mindset
- Cyber domain experience on security products, especially detection systems (preferably static file analysis or detection)
- Cloud infrastructure and MLOps experience (preferred)
- Experience with Spark, PySpark, or Databricks (preferred)
Skills
Required:ML model design and evaluationData handling for MLProgramming and toolingCommunicationIndependence / ownership
Benefits
- Equity & Rewards: RSUs, ESPP, performance-based bonus
- Time Off & Wellbeing: Flexible time off, 5 weeks PTO, wellness days, paid sick/nursing leave, gender-neutral parental leave
- Insurance & Financial Security: Private medical, life and disability insurance, pension contribution, global travel medical insurance, EAP
- Work Perks & Flexibility: Global home office allowance, meal allowance, hybrid work in Prague/Brno or remote in CZ/SK ( Prague-based employees require 2 days in office)
- Wellness & Lifestyle: Wellbeing allowance, MultiSport, Wellness Coach app
Last updated Oct 22, 2026. Interested? Apply on the company site.
About SentinelOne
AI-Powered Enterprise Cybersecurity Platform
SentinelOne unifies AI-powered endpoint, cloud, identity, and data protection—enhanced by our Security Data Lake for seamless and efficient cybersecurity.
CybersecurityAI SecurityEndpoint SecurityCloud SecurityAI-SIEMIdentity SecurityEDRXDR
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