BRION HANSEN Linux Systems Engineer hansen.brion@gmail.com · https://brion.in · open to fully remote SUMMARY 15+ years of hands-on infrastructure experience. Current focus: Proxmox VE cluster operations, ZFS and Ceph storage, Proxmox Backup Server, container-based service delivery, zero trust networking over WireGuard overlays tied to Microsoft Entra ID, and self-hosted AI on organization-owned hardware. Comfortable inheriting undocumented environments and leaving them mapped, modernized, and documented. Seeking a Linux/virtualization role at a research, scientific, or mission-driven organization. CORE FOCUS * Proxmox: cluster design/ops, HA, ZFS/Ceph/iSCSI/NFS storage, SDN, GPU passthrough / SR-IOV / vGPU, PBS with tested restores, PDM multi-site control, rolling upgrades * Containers: Docker, Podman, LXC, Compose, Quadlets, rootless, systemd integration, ACME-automated reverse proxies * Migration: P2V/V2V from physical/VMware/Hyper-V/Xen into PVE, EOL OS preservation, appliance config extraction and rebuild * Zero trust: Netbird + WireGuard mesh, identity-scoped access via Microsoft Entra ID and other IdPs * AI infrastructure: Ollama, Open WebUI, Hermes Agent (Nous Research), multi-model local/Portal/Claude backends, custom and community MCP connectors giving conversational access to legacy data EXPERIENCE Systems Engineer, Twin Pines Technology (2024-present) MSP, Northeast Ohio. Five production PVE clusters across three clients (incl. 3-site/9-node ~30 guests; 4-node ~50 guests). Legacy virtualization migrations, PBS with verified restores, PDM over Netbird/WireGuard, zero trust access via Entra ID, firewall migrations to UniFi/OPNsense/pfSense, containerized service delivery, self-hosted AI agent integrations via MCP, and the ongoing rescue of undocumented infrastructure. Design & Deployment Engineer, Park 'N Fly (2023-2024) Debian images for embedded SBCs in production kiosks; CONUS field deployment; relay wiring and digital I/O; wrote the install docs. Freelance IT Consultant (2008-2023) Virtual environments across KVM/Proxmox, VMware, Hyper-V, Xen. Servers, networks, and VPN overlays for individuals and SMBs. HOMELAB Six-node PVE cluster (AMD EPYC 3000 / Ryzen embedded). 8x14TB RAIDZ2 primary storage; TrueNAS backup target on HP EC200a. Local inference with GPU passthrough. 5G/LTE, LoRa, OpenWRT on rescued e-waste. SCRIPTING Bash (proficient) · Python, Go (working knowledge) · Git