erasys GmbH

Senior Infrastructure & Systems Engineer

erasys GmbH

full-time

Posted on:

Location Type: Hybrid

Location: Berlin • Germany

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Job Level

Senior

Tech Stack

AnsibleAWSCloudDockerElasticSearchFirewallsGrafanaKubernetesLinuxMySQLPrometheusPuppetRabbitMQRedisTerraform

About the role

  • Manage and enhance Kubernetes clusters, including configuration, upgrades, scaling, and deployment automation using Helm and Docker
  • Operate, maintain, and optimize Linux-based systems in an on-premise datacenter environment
  • Manage, monitor, and troubleshoot RabbitMQ clusters, ensuring message delivery reliability, scalability, and fault tolerance
  • Administer and optimize Redis, Elasticsearch, and MySQL databases for performance, stability, and data integrity
  • Support and execute database migration and infrastructure modernization projects within the on-prem environment
  • Implement and maintain infrastructure-as-code practices using Terraform, Ansible, GitLab CI/CD and Puppet
  • Maintain and improve monitoring, logging, and alerting systems (e.g., Prometheus, Grafana, Zabbix, ELK)
  • Collaborate with development and product teams to support deployment pipelines and performance optimization
  • Participate in incident response, root cause analysis, and on-call rotations to ensure system reliability
  • Ensure all systems meet security and data protection requirements

Requirements

  • 5+ years of hands-on experience in system or infrastructure engineering, focused on on-premise environments
  • Strong expertise in Linux system administration (Debian/Ubuntu or RHEL/CentOS)
  • Deep understanding of RabbitMQ, including clustering, high availability, performance tuning, and troubleshooting
  • Experience managing and optimizing Redis and Elasticsearch in production
  • Solid practical knowledge of Kubernetes, Docker, and Helm, including cluster management, deployments, upgrades, and troubleshooting
  • Experience with infrastructure automation and configuration management using Terraform, Ansible, GitLab CI/CD and Puppet
  • Strong understanding of networking, including routing, firewalls, VPNs, and secure access
  • Experience with monitoring and observability tools (Prometheus, Grafana, Zabbix, ELK)
  • Excellent problem-solving and analytical skills, with attention to performance, reliability, and maintainability
  • Familiarity with cloud providers such as AWS would be a plus.
Benefits
  • Hybrid work mode
  • On-site collaboration with flexible remote work
Applicant Tracking System Keywords

Tip: use these terms in your resume and cover letter to boost ATS matches.

Hard Skills & Tools
KubernetesLinux system administrationRabbitMQRedisElasticsearchMySQLTerraformAnsibleGitLab CI/CDPuppet
Soft Skills
problem-solvinganalytical skillsattention to performancereliabilitymaintainability