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Senior Site Reliability Engineer

SentinelOne
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Hybrid (Prague, Czech Republic (CZ) / Brno, Czech Republic (CZ) or remote in CZ/SK)Full-timePosted 2w ago

About the role

Senior Site Reliability Engineer to join SentinelOne's SRE team, focusing on incident management, observability, reliability partnerships with engineering, and driving SLOs/SLIs/SLAs to maintain uptime for the Singularity Platform.

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 (we leverage 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 managementObservability and monitoringSLOs/SLIs/SLAsCloud platformsTerraform or IaCKubernetes
Nice to have:Data engineering

Benefits

  • Restricted Stock Units (RSUs)
  • Employee Stock Purchase Plan (ESPP)
  • Performance-based bonus
  • 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
  • Private medical care benefit
  • Life and disability insurance
  • Pension Insurance contribution
  • Global business travel medical insurance
  • Employee Assistance Program (EAP)
  • Global home office allowance
  • Meal allowance
  • Hybrid work in Prague (Karlin), Brno (Clubco) or remote in CZ/SK. Prague-based employees required to work from office at least 2 days/week
  • Wellbeing allowance
  • MultiSport benefit 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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