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Senior Big Data Engineer - Security Research / Detection

SentinelOne· Engineering
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Hybrid (Prague/Brno/CZ-SK)Full-timePosted 2w ago

About the role

Senior Data Engineer responsible for designing, building, and maintaining scalable data infrastructure for cyber threat detection research, enabling data scientists and security researchers to work with petabytes of data to power threat detection and product outcomes.

Responsibilities

  • - Design, build, and maintain scalable data pipelines that process petabytes of security data (we ingest 5-10 petabytes daily) for research purposes.
  • - Develop production-grade pipelines, applying software engineering best practices.
  • - Operate big data infrastructure and cloud data warehouses with a focus on reliability and performance.
  • - Partner with data scientists and security researchers to deliver impactful data solutions.
  • - Ensure data quality, observability, and governance across the platform.

Qualifications

  • - 4+ years of experience in data engineering, data architecture, and distributed systems
  • - Proficiency in programming languages such as Python, Java, Scala, or similar.
  • - Experience with cloud-based technologies such as AWS (primary), GCP or Azure.
  • - Experience with deploying big data technologies such as Apache Spark, Hadoop, Hive, IceBerg, Trino.
  • - Familiarity with data warehousing concepts and technologies.
  • - Experience with data visualization tools such as Tableau, PowerBI, Grafana or similar.
  • - Strong problem-solving skills, with the ability to develop innovative solutions to complex problems.
  • - Excellent communication skills, with the ability to clearly present and explain complex data and models to technical and non-technical stakeholders.
  • - BS or higher degree in Computer Science, Software Engineering, Statistics, Mathematics, or related field. Additional or directly relevant experience will be considered in lieu of a degree.
  • - Experience in leading cross-functional projects between R&D and product teams.

Skills

Required:PythonJavaApache SparkData WarehousingCloud Platforms
Nice to have:ScalaHadoopHiveTrinoData Visualization

Benefits

  • - Equity & Rewards: RSUs, Employee Stock Purchase Plan (ESPP), Performance-based bonus
  • - Time Off & Wellbeing: Flexible time off, 5 weeks PTO, paid wellness days, paid sick/nursing leave, gender-neutral parental leave
  • - Insurance & Financial Security: Private medical care benefit, life and disability insurance, pension contribution, global travel medical insurance, EAP
  • - Work Perks & Flexibility: Global home office allowance, meal allowance, hybrid work in Prague or Brno or remote in CZ/SK, Prague-based employees to work 2 days/week in office
  • - Wellness & Lifestyle: Wellbeing allowance, MultiSport, Wellness Coach app
Last updated Oct 22, 2026. Interested? Apply on the company site.
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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.

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