Infrastructure Engineer

• Operate, maintain, and improve Linux, AWS, networking, virtualization, and on-premises systems
• Administer AWS and on-premises infrastructure, including VPCs, network connectivity, IAM, EC2 instances, storage, Linux servers, and virtual machines
• Configure, modify, and optimize on-premises and cloud-based infrastructure
• Perform Linux installation, configuration, patching, package management, systemd service management, scheduled tasks, monitoring, permissions, storage, networking, log analysis, and command-line troubleshooting
• Manage AWS EC2, VPCs, subnets, route tables, security groups, IAM roles and policies, CloudWatch, S3/EBS storage, and DNS
• Manage TCP/IP networking, DNS, DHCP, VPNs, firewalls, switch configurations, and network troubleshooting
• Operate and maintain Proxmox VE clusters, including ZFS storage, VM/LXC provisioning, high availability, backups, and cluster health monitoring
• Maintain Prometheus and Grafana monitoring stacks, define alert thresholds, create dashboards, and analyze logs
• Implement automated patching, manage access controls, enforce security best practices, and coordinate vulnerability remediation
• Design, execute, and validate backup strategies and ensure recovery objectives are met
• Document architectures, SOPs, runbooks, and maintenance schedules
• Coordinate incident response and root-cause analysis
• Partner with engineering, operations, and mission teams to provision, modify, and troubleshoot infrastructure

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Infrastructure Engineer jobs in Japan

ITインフラストラクチャースペシャリスト

ITインフラストラクチャー スペシャリスト

ITインフラストラクチャースペシャリスト