Senior Infrastructure Engineer - Observability
SentinelOne13 days ago
Remote, Czechia or Prague, 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.
- Collaborate 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 cloud 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 code and designs, provide feedback, 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 running observability stacks with 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 for infrastructure as code.
- Experience operating large-scale SaaS or distributed systems, including on-call and incident response.
- Experience with deployment strategies including rolling, blue-green, and canary deployments.
- Proficiency in Go or another mainstream 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 five weeks of standard PTO, paid wellness days, paid short-term sick or nursing leave, and gender-neutral parental leave.
- Private medical care, life and disability insurance, pension insurance contributions, global business travel medical insurance, and an Employee Assistance Program.
- Global home office allowance, meal allowance, wellbeing allowance, MultiSport benefits, and access to the Wellness Coach app.
- Hybrid work in Prague or Brno, or remote work in Czechia/Slovakia; Prague-based employees must work from the office at least two days per week.
Tech Stack
AnsibleArgo CDAWSGitHub ActionsGoGoogle Cloud PlatformGrafanaHelmKubernetesPrometheusPythonTerraform
Categories
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.