Senior SRE - Scalable Cloud, Kubernetes, Observability

Fountain; Madrid; On-site; EUR 90,000 - 130,000; Full time

Job summary

Fountain is seeking a Site Reliability Engineer to own reliability, scalability, and operational excellence of our platform. You will partner with Engineering, Security, and Product to build resilient infrastructure and improve observability and incident response.

You will design, deploy, and maintain Kubernetes-based infrastructure on EKS, manage AWS components, and advance our GitOps and CI/CD workflows with ArgoCD. Strong emphasis on on-call incident management and postmortems.

Qualifications

• 5+ years of experience in site reliability engineering.
• Experience owning reliability for production systems — defining SLOs or running error budgets.
• Deep hands-on experience with Kubernetes/Helm on EKS in production.
• Experience with Cloudflare (CDN, WAF, etc) and CI/CD or GitOps.
• Has led or significantly contributed to incident response and postmortem processes.

Responsibilities

• Own and improve platform reliability (SLOs/SLIs), capacity planning, and production readiness.
• Design, build, and maintain Kubernetes-based infrastructure and deployment workflows.
• Operate and evolve AWS footprint with a security-first mindset.
• Improve CD/GitOps practices (ArgoCD) and deployment safety.
• Build autoscaling strategies for services and workloads (KEDA).
• Lead incident response: on-call, triage, mitigation, postmortems.

Skills

Incident response

On-call experience

Observability

Performance tuning

Collaborative teamwork

Tools

Kubernetes

EKS

ArgoCD

Terraform

OpenTelemetry

Cloudflare

AWS

CI/CD / GitOps

Job description

Fountain is seeking a Site Reliability Engineer to own reliability, scalability, and operational excellence of our platform. You will partner with Engineering, Security, and Product to build resilient infrastructure and improve observability and incident response.

You will design, deploy, and maintain Kubernetes-based infrastructure on EKS, manage AWS components, and advance our GitOps and CI/CD workflows with ArgoCD. Strong emphasis on on-call incident management and postmortems.