Infrastructure Engineer / Site Reliability Engineer - Data Platforms

Your opportunity

SentinelOne’s XDR vision of one autonomous cybersecurity platform depends on our ability to collect, store and analyze data efficiently. If you are interested in building infrastructure for data platforms that run reliably with 99.99% uptime, can scale to petabytes of data ingested every day (and >2 trillion events processed), return queries with p95 latencies less than 5seconds, you will love this opportunity. 

As a team we value

• Thinking from first principles, understanding second order impacts 
• Curiosity to understand new systems, their operating principles and limitations 
• Strong operational ownership and a desire to reduce toil via automation
• A drive to learn, especially from prior failures
• Courage to take risks and make things happen 
• Empathy and humility to collaborate effectively with peers and across teams

Tools we use

• Orchestration tools like Kubernetes (EKS, GKE)
• CI tools like Jenkins, Github Actions and CD tools like ArgoCD
• Occasionally also infrastructure automation tools like Terraform

Your Mission

• Your key mission is to unlock portability for SentinelOne apps and services to run on any cloud platform - you will do this by running off the shelf components with a focus on high uptime and reliability that meets the needs of our engineering organization and our customers 
• Your mission is to achieve high operational efficiency of services you own - running them cheaply and running them reliably are both top goals 
• Your mission is to emphasize on automation where possible to reduce toil and pager burden 
• Your mission is to enable operational visibility through Infrastructure as Code, Observability and driving best practices around these topics

Projects you may work on

• Scale the data platform to over 5 PB/day ingest
• Move workloads to run on alternate machine types (graviton3 or spots) and reduce cost footprint 
• Consolidation of our Kafka clusters to drive cost and operational efficiencies
• Run and manage open source off the shelf components like Postgres, Pulsar, Cassandra, JanusGraph, ActiveMQ or others like AWS OpenSearch to unlock cloud portability 
• GitOps automation for lifecycle automation of shared services like Kafka, Redis, Presto etc.

What skills & knowledge should you bring?

• Several years of experience in leading design and architecture of infrastructure (cloud and on-prem combined)
• Solid experience in running site reliability for SaaS products & running operations at a large scale
• Solid production experience with orchestration systems like Kubernetes, Nomad or Mesos (We are a Kubernetes shop)
  • Any experience with Rancher, Platform9 or other managed k8s providers is desired
  • Familiarity with on-prem and air gapped deployments on top of k8s

• Multi-cloud experience, deep expertise with at least one of AWS/GCP/Azure platforms
• Familiarity with CI and practical delivery using any of Travis, CircleCI, Github Actions, Codefresh, Spinnaker, Jenkins or buildkite, familiarity with deployment strategies like blue green, rolling deploys, canary deploys  and best practices around deployment automation (with tools like shipit or spinnaker) is desired
• Familiarity with mainstream languages (Python/GoLang/Ruby)
• A plus would be familiarity with IaaC and tools (such as Terraform or Pulumi)

What we offer you

• Flexible working hours, In Prague & nearby we're working in a hybrid model with offices in Karlin (brand new Missouri Park), remotely in the rest of CZ or SK, with optional Brno offices for those who like to meet
• Generous employee stock plan in the form of RSUs (restricted stock units)
• Flexible Time Off (on top of the standard 5 weeks of vacation)
• Flexible Paid Sick Days
• Fully Paid Short Term Sick/Short Term Nursing Leave
• Global gender-neutral Parental Leave (16 weeks, beyond the leave provided by the local laws) & Grandparent Leave
• Volunteering paid day off & Additional paid Company holidays and Wellness days off (e.g. 6 days in 2022)
• Pension insurance contribution
• Premium Life Insurance covered by S1
• Cafeteria points (5.000 CZK/month), which you can spend on leisure & sports, kindergarten/school fees, travel etc. 
• Private medical care membership
• Global Employee Assistance Program (confidential counseling related to both personal and work life matters)
• High-end MacBook or Windows laptop, Home-office-setup gear & on top of that additional WFH Allowance
• Udemy Business platform for Hard/Soft skills Training & Support for your further educational activities/trainings
• Above-standard referral bonus
• Yearly bonus depending on the performance of the company
• On top of RSUs, you can benefit also from our attractive ESPP (employee stock purchase plan)
• Refreshments & snacks at the offices (+weekly massages & yoga at Prague office)
• Optional company events for those who like to meet outside of work too (sport, BBQ, charity, offsite etc.)