
Henrik Jõesalu
Site Reliability EngineerTallinn, Estonia
Saturday, February 21, 2026 21:25:33 GMT
Skills & Experience
Technical Skills
Kubernetes
- ArgoCD / FluxCD: GitOps

Grafana Stack
AWS
Terraform
GitHub / GitLab
- Claude Code
Certifications
Education
Bachelor Studies in IT-Systems Administrating
University of Taltech
Work Experience
Site Reliability Engineer
CyberCube • Jan 2025 - Present
Junior DevOps Engineer
Delfi Media • Jul 2023 - Sep 2024
- Developed and managed Grafana stack, deploying and configuring Loki, Mimir, Prometheus, OpenTelemetry operator. Designed and implemented Grafana dashboards and alerting rules.
- Reduced AWS costs by leveraging Kubecost metrics and optimizing the use of services such as S3, CloudWatch, EC2, and Config.
- Strengthened security for Gitlab runners residing on the Kubernetes cluster as well as Gitlab ecosystem.
- Helped to manage GitLab CI/CD projects using Terraform.
- Maintained and deployed Kubernetes services using Helm and ArgoCD.
- Responded to incidents happening in the cluster and implemented proactive changes in response to critical alerts.
- Developed services guides and improved documentation.
Projects
Some personal projects I have found useful besides issues done on work environment.
Random



Reads
Useful recommended reads.
- Practice of System and Network Administration, The: DevOps and other Best Practices for Enterprise IT, Volume 1
Thomas Limoncelli & Christina Hogan
- Imagine Heaven: Near-Death Experiences, God's Promises, and the Exhilarating Future That Awaits You
John Burke
- How Google Runs Production Systems
Google
- Atomic Habits
James Clear
- Man's Search for Meaning
Viktor E. Frankl
- Unoffendable: How Just One Change Can Make All of Life Better
Brant Hansen


