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Senior Site Reliability Engineer

SentinelOne· Engineering / Site Reliability
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Hybrid (CZ/SK)Full-timePosted 3w ago

About the role

Senior Site Reliability Engineer responsible for incident management, observability, SLOs/SLAs, and reliability initiatives to support SentinelOne's AI-native Singularity Platform and SaaS services.

Responsibilities

  • Participate in and help drive incident management for production issues, ensuring rapid recovery and root cause analysis; may lead postmortems
  • Improve and optimize the observability strategy
  • Collaborate with application engineering teams to design and implement monitoring solutions that enhance our alerting capabilities and reduce noise
  • Help define and refine SLOs, SLIs, and SLAs that align with business objectives and customer expectations
  • Conduct post-incident review, documenting findings and driving follow-up actions to prevent recurrence
  • Deal with large scale - across our cybersecurity SW products, we daily process in near-real-time 9+ Petabytes of data ingests and 3+ Trillion security events
  • Mentor peers and junior engineers in incident response, troubleshooting techniques, and reliability best practices

Qualifications

  • Years of experience in Site Reliability Engineering, DevOps, or a related field in cloud native environments
  • Hands-on experience running production workloads on AWS (GCP or Azure a plus), with infrastructure as code (Terraform or similar)
  • Solid experience troubleshooting complex issues under pressure, using and improving established runbooks
  • Deep production Kubernetes experience, including autoscaling, upgrades and troubleshooting at scale
  • Operate, scale and maintain data ingestion pipelines and data lake services in production, ensuring availability, throughput and data durability across regions
  • Experience with industry standard observability stacks (Prometheus, Grafana, ELK, OpenTelemetry, etc.)
  • Proficiency in Python (or Go) and Bash scripting to improve operational workflows and incident response
  • Familiarity with modern CI/CD pipelines (ArgoCD and GitHub Actions) and DevOps practices
  • Strong bias for efficient processes, operational simplicity, and automation over manual work
  • Practical experience using AI-assisted tooling in operations (e.g., incident triage, runbook automation, testing and validation) so changes stay safe, secure and auditable
  • Excellent communication skills with demonstrated ability to mentor peers in reliability practices

Skills

Required:Incident managementObservabilitySRE / reliability engineeringCloud platformsKubernetesData pipelines / data lakeProgramming
Nice to have:CI/CD

Benefits

  • Equity & Rewards: RSUs, ESPP, Performance-based bonus
  • Time Off & Wellbeing: Flexible time off, 5 weeks PTO, wellness days, paid sick/nursing leave, parental leave
  • Insurance & Financial Security: Private medical, life and disability, pension, travel medical insurance, EAP
  • Work Perks & Flexibility: Global home office allowance, meal allowance, hybrid work in Prague/Brno or remote in CZ/SK ( Prague 2 days in-office)
  • Wellness & Lifestyle: Wellbeing allowance, MultiSport program, 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.

CybersecurityAI SecurityEndpoint SecurityCloud SecurityAI-SIEMIdentity SecurityEDRXDR
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