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. Step into a high-impact role as a Senior Infrastructure Engineer. You will run and maintain our partner's Linux (Debian and Rocky Linux) and Proxmox VE infrastructure, owning the full lifecycle of virtual machines from provisioning and migration to upgrades and decommissioning. You won't just keep servers healthy; you will plan production maintenance and major upgrades, manage backup, restore and disaster recovery, and automate repetitive work with Ansible and scripting. If you are careful with production changes, love troubleshooting across compute, storage and networking, and take real ownership, we would love to hear from you! 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 - Hybrid work model. - Flexible working schedule. - Interesting product. - Learning opportunities. - Career growth prospects.