DevOps Engineer (freelancer)

The role supports a project focused on upgrading and modernizing an existing OpenSearch environment within the fintech/financial services sector.

• Strong hands-on experience with OpenSearch and/or Elasticsearch.
• Solid knowledge of OpenSearch administration, upgrades, troubleshooting, and performance tuning.
• Experience with OpenSearch/Elasticsearch cluster migrations and upgrades.
• Good knowledge of Kubernetes, preferably production experience.
• Experience with Azure Kubernetes Service (AKS) or another managed Kubernetes platform.
• Practical experience with Helm and creating Helm Charts.
• Good knowledge of Ansible and configuration automation.
• Experience with Docker.
• Understanding of CI/CD and Git.
• Ability to work independently and take ownership of technical tasks.

• Optimization and stabilization of the cluster.
• Preparing the architecture for Kubernetes.
• Creating Helm Charts and automating deployments.
• Migrating OpenSearch to AKS.
• Documentation and knowledge transfer to the team.