Senior Site Reliability Engineer – Kubernetes

This is a fully remote position, open to applicants in Poland.

📋 Description

• Assist in the deployment, functionality, and dependability of production services operating on Kubernetes.

• Oversee service health and investigate incidents occurring in production across distributed applications.

• Engage in on-call support, incident response, root cause analysis, postmortems, and enhancements in reliability.

• Diagnose application runtime, networking, and service-to-service issues in partnership with engineering teams.

• Facilitate CI/CD, GitOps-driven deployments, observability, and monitoring of production environments.

• Take ownership of production reliability for the AI Experience Framework stack from start to finish, encompassing Kubernetes deployment and operations, observability, and hands-on troubleshooting of Node.js and JVM components.

• Operate within a client-directed backlog and established priorities.

⛳️ Requirements

• A minimum of 5 years of experience in Site Reliability Engineering, DevOps, Platform Engineering, Production Engineering, or a related field.

• Robust recent hands-on experience in supporting Kubernetes-based production services.

• At least 3 years of hands-on experience with production Kubernetes is strongly preferred.

• Experience in Kubernetes production operations, including deployment, scaling, rollout/rollback, resource tuning, and service-to-service troubleshooting.

• Solid experience in production incident response, covering on-call duties, runbooks, postmortems, and paging hygiene.

• Proficient in using Splunk for log aggregation, search, and troubleshooting in production.

• Familiarity with Prometheus and Grafana, particularly in creating alert rules and dashboards.

• Experience with CI/CD and infrastructure-as-code for containerized deployments, including Helm and GitOps tools like ArgoCD or Flux.

• Strong foundational knowledge of Linux and networking concepts, including DNS, load balancing, TCP/HTTP, HTTP/2, and Kubernetes networking.

• Experience troubleshooting in production environments across Node.js and JVM/Java services, with a strong proficiency in at least one runtime environment.

• Knowledge of service-to-service authentication methods, including mTLS, certificate rotation, certificate format conversion, and JWT-based service authentication.

• Excellent spoken and written English skills.

• Experience with Web Components/Lit is a valuable addition.

• Familiarity with server-side rendering or isomorphic runtime is an additional asset.

• Experience in canary rollout/multi-version production operations is advantageous.

• Understanding of distributed tracing and request-context correlation is an additional skill.

• Knowledge of KEDA or event-driven autoscaling is a plus.

• Experience with enterprise platform integration layers is an added benefit.

🏝️ Benefits

• Flexible and remote working arrangements.

• Opportunities to work on international projects with leading global clients.

• Travel opportunities related to international projects.

• A non-corporate work atmosphere.

• Access to language classes.

• Participation in knowledge-sharing initiatives.

• Access to private healthcare and life insurance.

• Availability of a multisport card.