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Design and administer multi-node Proxmox VE clusters.
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Deploy and manage KVM virtual machines.
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Understand Proxmox clustering and quorum.
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Integrate Proxmox with Ceph-backed storage.
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Configure Linux bridges, VLANs, bonding, and storage/network separation.
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Troubleshoot cluster, compute, storage, and VM problems.
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Plan node maintenance and workload evacuation.
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Design HA and failure-domain strategies.
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Perform or plan migrations from VMware/OpenStack into Proxmox.
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Understand backup/recovery architecture for Proxmox environments.
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Automate VM provisioning and lifecycle management through APIs/IaC.
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Advanced hands-on experience designing, deploying, operating, troubleshooting, and scaling Ceph distributed storage environments supporting production virtualized workloads.
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Advanced experience with Proxmox VE, including clustered virtualization, high availability, Ceph integration, networking, storage, lifecycle management, backup/recovery, and automation.
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Advanced experience administering and troubleshooting OpenStack, including Nova, Neutron, Cinder, Glance, Keystone, compute infrastructure, networking, and Ceph integration.
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Advanced experience with VMware vSphere, including ESXi, vCenter, HA/DRS, virtual networking, storage, lifecycle management, troubleshooting, and workload migration.
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Expert-level Linux engineering skills with Red Hat-derived and Ubuntu distributions in large production environments.
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Strong infrastructure-as-code and automation experience using Ansible, Terraform, Git, Python and/or Bash.
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Strong infrastructure networking knowledge including TCP/IP, VLANs, routing, bonding/LACP, MTU, DNS, firewalls, virtual networking, and high-performance storage networks.
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Experience designing and supporting bare-metal server infrastructure, including compute, storage, network interfaces, firmware, hardware lifecycle, and data-center deployment.
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Demonstrated ability to perform large-scale virtualization and storage migrations, including discovery, capacity planning, dependency analysis, migration testing, rollback planning, and post-migration validation.
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Strong understanding of high availability, backup/recovery, disaster recovery, capacity management, monitoring, performance tuning, security, and platform lifecycle management.
