•••• is serving as a trusted IT Outsourcing partner in line with the needs of World's most prestigious firms and carried out successful projects worldwide.
Responsibilities:
Operate, monitor, and optimize production applications and cloud infrastructure on AWS.
Handle production incidents, troubleshoot outages, and conduct root-cause analysis for railway operational systems.
Provision and automate infrastructure using Terraform and OpenTofu.
Administer, upgrade, and optimize Kubernetes clusters, including node scaling with Karpenter.
Deploy and manage containerized applications using Docker, Helm, and Flux within a GitOps model.
Configure AWS IAM roles, security policies, and manage encryption keys and secrets via KMS and Secrets Manager.
Maintain and troubleshoot Amazon MSK (Kafka) and PostgreSQL databases on AWS RDS.
Build and maintain observability, metric dashboards, and log analysis using Grafana and OpenSearch.
Automate operational workflows and dependency updates using Python, AWS Lambda, and Renovate.
Maintain technical runbooks, operating procedures, and architectural documentation.
Skills:
Minimum B2 proficiency in German and fluent English.
3+ years of experience administering AWS cloud environments for production applications.
3+ years of experience deploying and operating containerized workloads on Kubernetes.
3+ years of experience provisioning infrastructure as code with Terraform or OpenTofu.
3+ years of experience in production cloud operations, monitoring, and incident management.
3+ years of experience operating production IT applications within railway operational processes.
Practical experience with Grafana, OpenSearch, Helm, and Flux.
Working knowledge of AWS IAM, KMS, Secrets Manager, and PostgreSQL on AWS RDS.
Scripting skills with Python and AWS Lambda.
Experience with Amazon MSK (Kafka) and Kubernetes node scaling via Karpenter.
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