Site Reliability Engineer

Vor 3 Tagen


Köln, Nordrhein-Westfalen, Deutschland ilert Vollzeit 60.000 € - 120.000 € pro Jahr

Location:Hybrid – Cologne (Rheinauhafen) — 3 days in the office, 2 remote (Tue + Thu)Team:Engineering · Reports to CTOKeep the world awake — build reliability at scaleilert helps thousands of DevOps & IT teams detect, fix, and communicate incidents faster.Our platform is mission-critical: customers rely on us 24/7 to keep their always-on businesses running.As a Site Reliability Engineer at ilert, you'll own the reliability, performance, and scalability of our core platform across AWS, Kubernetes, Kafka, and more.TasksBuild & operate a highly available platformRun and evolve our AWS-based infrastructureOperate and optimize self-managed Kafka, ClickHouse clusters and our Observability stackEnsure resilience, disaster recovery, and capacity planning across the stackImprove reliability & performanceBuild and maintain SLOs, SLIs, error budgets, and observability dashboardsDebug production issues across layers (networking, Kubernetes, application, DB)Improve performance of our ingestion pipelineAutomation & toolingAutomate operations with Terraform, Helm, Kubernetes operators, and internal toolingBuild tooling for safer deploys, blue/green rollouts, and automated verificationStrengthen incident response workflows through deep collaboration with our AI SRE agent teamSecurity & complianceImplement best practices for workload isolation, secrets management, IAM, and auditabilitySupport our ISO27001 posture by automating controls and hardening our infrastructureCross-functional impactPartner with Backend, AI, and Product teams to design reliable servicesParticipate in on-call rotationLead post-incident reviews and drive reliability improvements long-termRequirements3+ years experience as SRE, Platform Engineer, DevOps Engineer, or Infrastructure EngineerStrong hands-on experience with AWS, Kubernetes, Linux internals, networking, performance tuningExperience operating self-managed distributed systems , ideally Kafka or ClickHouseStrong understanding of observabilityExperience automating infrastructure with Terraform and CI/CD systemsFluent English (our working language); German optionalBenefits Product-centric100 % focused on solving a mission-critical pain felt by every always-on business | Hybrid freedom2 days remote by default; gorgeous Rheinauhafen roof terrace when you're in town | Focus > meetingsWe time-box syncs, favour async docs and protect maker time | 28 days off…plus public holidays | Commute perkssubsidised public transport|



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