Senior Infrastructure Engineer

As part of our continued growth, Neo Group is recruiting on behalf of one of our local partners, leveraging our network of 1,400 talented professionals across 10+ countries. Together, we are committed to delivering innovative, data-driven solutions that empower our clients and foster professional growth within a dynamic and collaborative workplace. We are on the lookout for a Senior Infrastructure Engineer to join our Engineering Team. Key Responsibilities - Linux System Administration: Operate and maintain Linux infrastructure based on Debian and Rocky Linux. - Virtualization & Cluster Management: Operate and maintain Proxmox VE clusters and virtual machines. - Virtual Machine Lifecycle: Manage the full lifecycle of virtual machines, including provisioning, migration, upgrade, and decommissioning. - System Updates & Upgrades: Plan and perform Linux and Proxmox updates/upgrades, including major version upgrades. - Production Maintenance Planning: Plan and execute infrastructure maintenance activities in production environments. - Data Protection & Disaster Recovery: Manage VM/server backup and restore processes and validate recovery procedures. - Infrastructure Troubleshooting: Troubleshoot infrastructure issues across compute, storage, operating systems, and networking. - Automation & Scripting: Automate repetitive operational tasks using Ansible and scripting. - Infrastructure Migrations: Participate in infrastructure migrations and production changes. - Change Management & Risk Mitigation: Prepare change plans, validation steps, and rollback procedures for high-risk infrastructure changes. Requirements - 5+ years of hands-on experience with Linux infrastructure. - Strong knowledge of Debian / Rocky Linux. - Hands-on production experience with Proxmox VE, KVM/QEMU and Proxmox clusters. - Good understanding of cluster concepts including quorum, Corosync and failure scenarios. - Strong practical experience with ZFS, including pools, datasets, snapshots, replication, disk replacement and failure recovery. - Experience with VM migration and live migration. - Experience performing Linux and Proxmox updates/upgrades. - Strong Linux administration knowledge including systemd, package management, boot process, filesystems, LVM, RAID, mounts, permissions, SSH and sudo. - Good understanding of Linux networking: TCP/IP, routing, VLANs, bonding, DNS, MTU and firewall basics. - Hands-on experience with backup and restore, including recovery after VM or server failures. - Understanding of backup, snapshot and replication concepts. - Experience with Proxmox Backup Server or similar solutions. - Practical experience with Ansible, Bash and Git. - Strong troubleshooting skills for CPU, memory, disk I/O, filesystem and network issues. Nice to Have - Experience with shared or distributed storage systems, such as Ceph, SAN, iSCSI, NFS or similar solutions. - Python. - Monitoring systems such as Zabbix, Prometheus, VictoriaMetrics or Grafana. - Experience with physical servers and data center hardware. - Hardware RAID / HBA. - IPMI / iDRAC / iLO. - Experience participating in disaster recovery or infrastructure migration projects. Soft Skills - Strong ownership and responsibility. - Careful approach to production changes. - Ability to troubleshoot complex infrastructure issues independently. - Good documentation and communication skills. - Focus on automation, reliability and operational simplicity. Benefits - Enjoy 5 health days to focus on your well-being. - Take advantage of 25 paid calendar vacation days to explore, relax, and unwind. - Get a $30 net per month sports compensation to stay active and healthy. - Benefit from top-notch medical insurance for peace of mind. - Indulge in a variety of snacks available in the office. - Join us for exciting corporate events that foster team spirit and fun!