DevOps Engineer with German (AWS)

SNI 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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