Senior Infrastructure Engineer - Observability
SentinelOne13 days ago
Brno, CzechiaSenior
Responsibilities
- Design and build scalable, resilient telemetry platform components using Grafana, Prometheus, Thanos/Mimir/Cortex, and OpenTelemetry.
- Own small-to-medium features from requirements refinement and technical design through production rollout.
- Partner with platform users to understand needs, refine requirements, and identify underspecified work.
- Operate large-scale Kubernetes environments on AWS and GCP, including EKS and GKE.
- Maintain reliable and cost-efficient services by right-sizing resources and tuning telemetry volume.
- Automate repetitive operational work to reduce toil and pager load.
- Manage infrastructure as code with Terraform and Ansible while following security, compliance, and change-management procedures.
- Participate in on-call, troubleshoot production issues, improve runbooks and dashboards, lead postmortems, and complete corrective actions.
- Review peer code and designs, mentor teammates, and share knowledge through documentation, demos, and internal talks.
Requirements
- At least 5 years of experience in infrastructure engineering, site reliability engineering, or a related systems-focused field.
- Hands-on production experience with observability stacks including Prometheus, Grafana, Thanos or Mimir/Cortex, and OpenTelemetry.
- Production Kubernetes experience with EKS or GKE, Helm, Kustomize, and at least one major cloud provider such as AWS or GCP.
- Proficiency with Terraform and Ansible.
- Experience maintaining reliable large-scale SaaS or distributed systems, including on-call and incident response.
- Experience with CI/CD pipelines and rolling, blue-green, or canary deployment strategies.
- Proficiency in Go or another mainstream programming language such as Python.
- Preferred familiarity with on-premises, hybrid, or air-gapped Kubernetes deployments.
- Preferred experience with GitHub Actions or progressive delivery tools such as Argo CD, Argo Rollouts, or Flagger.
- Preferred experience reducing telemetry costs through cardinality management or retention tuning.
Benefits
- Restricted Stock Units, an Employee Stock Purchase Plan, and a performance-based bonus.
- Flexible time off in addition to standard five weeks of paid time off, paid wellness days, and fully paid short-term sick or nursing leave.
- Gender-neutral parental leave, private medical care, life and disability insurance, pension insurance contribution, global business travel medical insurance, and an Employee Assistance Program.
- Global home office allowance, meal allowance, wellbeing allowance, MultiSport benefit program, and Wellness Coach app.
- Hybrid work in Prague or Brno, or remote work in the Czech Republic or Slovakia; Prague-based employees must work from the office at least 2 days per week.
Tech Stack
AnsibleArgo CDAWSGitHub ActionsGoGoogle Cloud PlatformGrafanaHelmKubernetesPrometheusPythonTerraform
Categories
DevOpsSite Reliability
About SentinelOne
SentinelOne builds an AI-driven cybersecurity platform that provides endpoint protection, detection and response, XDR, cloud, and identity security for enterprises. Its Singularity platform is sold as subscription software and managed services to secure laptops, servers, containers, and cloud workloads with automated detection and remediation. Founded in 2013 and headquartered in Mountain View, California, SentinelOne is a public company listed on the NYSE following its 2021 IPO.