Sentinellabs

Senior Infrastructure Engineer - Observability

Czech Republic. Posted 14 days ago

The role

You will design, build, and run the observability platform used to monitor global products. You will own parts of the stack from start to finish and work within the team's roadmap.

What you will do

  • Design and build scalable, resilient parts of the telemetry platform.
  • Own small-to-medium features from requirements to production rollout.
  • Work with engineering teams to understand needs and refine requirements.
  • Work across large-scale Kubernetes environments on AWS and GCP.
  • Keep services reliable and cost-efficient.
  • Automate repetitive operational work.
  • Manage infrastructure as code.
  • Take part in on-call to troubleshoot production issues and lead postmortems.
  • Review peers' code and designs.
  • Mentor teammates and share knowledge.

Required qualifications

  • 5 or more years of experience in Infrastructure Engineering, Site Reliability Engineering (SRE), or a related systems-focused field.
  • Hands-on experience running observability stacks in production: Prometheus, Grafana, Thanos (or Mimir/Cortex), and OpenTelemetry.
  • Production experience with Kubernetes (EKS, GKE) and tools such as Helm and Kustomize.
  • Experience with at least one major cloud provider (AWS or GCP).
  • Proficiency with infrastructure-as-code tools, specifically Terraform and Ansible.
  • Experience keeping large-scale SaaS or distributed systems reliable, including on-call and incident response.
  • Hands-on experience with CI/CD pipelines and common deployment strategies (rolling, blue-green, canary).
  • Proficiency in Go or another mainstream language (e.g., Python).

Nice to have

  • Familiarity with on-premises, hybrid, or air-gapped Kubernetes deployments
  • Experience with GitHub Actions specifically, or with progressive delivery tools (e.g., Argo CD, Argo Rollouts, Flagger)
  • Experience reducing telemetry costs, for example through cardinality management or retention tuning

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
  • 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)

About the company

SentinelOne is a company at the intersection of AI and security, pioneering a new operating model for cybersecurity. Their AI-native platform unifies protection across endpoint, cloud, identity, data, and AI systems.

Senior Infrastructure Engineer - Observability at Sentinellabs | JobZoey