Otto Roehlig

Linux Solutions Architect

Self-taught Linux sysadmin with 25+ years of hands-on experience. I build secure, open-source systems that prioritize user freedom. From home servers to enterprise networks, I deliver flexible, cost-effective solutions.

Summary

Skills

Operating Systems

  • Ubuntu logo Debian logo
    Ubuntu (Debian-based): 20+ years in configuration, rescue, and remote access
  • Manjaro logo Arch logo
    Manjaro (Arch-based): Desktop customization and performance optimization
  • OpenMediaVault logoOpenMediaVault: Configured NAS for efficient storage

Scripting & Development

  • Bash logoBash: Automated system tasks and cloning scripts
  • Python logoPython: Built tools for automation and data tasks
  • HTML logoHTML/CSS/PHP: Crafted responsive web interfaces

Containers & Virtualization

  • Docker logoDocker: Ran media servers, Komga, Caddy, and VPNs
  • Portainer logoPortainer: Managed container environments
  • VirtualBox logoVirtualBox: Set up VMs for testing
  • VMware logoVMware: Configured enterprise virtual servers
  • Xen logoCitrix XenServer 4.0: Managed hypervisors
  • Hyper-V logoHyper-V: Deployed virtual servers

Networking & Security

  • WireGuard logoWireGuard: Set up secure VPNs
  • FortiGate logoFortiGate, Sonicwall, Mikrotik: Configured firewalls and routing
  • Pi-hole logoPi-hole: Managed ad-blocking and DNS
  • FreshTomato logoFreshTomato: Flashed routers for enhanced security and features
  • Angry IP Scanner logoAngry IP Scanner: Scanned networks and detected ports
  • Zenoss logoZenoss: Monitored network performance
  • Network Protocols and Services: Configured OpenSSH, TCP/IP, DDNS, Samba, NFS for secure networking and file sharing

Web & Media Services

  • Caddy logoCaddy: Hosted sites, reverse proxies, load balancing, ssl certificates
  • Jellyfin logoJellyfin: Ran open-source media servers
  • Komga logoKomga: Set up comic and e-book servers
  • Apache logoApache: Configured web servers
  • Asterisk logoAsterisk: Deployed PBX systems

Productivity Tools

  • LibreOffice logoLibreOffice: Built spreadsheets for data analysis
  • GIMP logoGIMP: Designed graphics and edited images
  • Cockpit logoCockpit: Managed servers via web interface
  • GNOME logoGNOME Remote Desktop: Configured remote access
  • Clonezilla logoClonezilla: Cloned systems for rapid deployment

Communication

  • Public speaking: Gave engaging technical talks
  • Technical writing: Wrote a book and clear docs
  • Languages: Fluent in English and German; working knowledge of French and Spanish

Experience

Self-Directed IT (2012–2025)

Managed a home lab with Ubuntu and Manjaro systems, Docker containers (Jellyfin, Komga, Caddy), and a Minecraft server for kids. Flashed routers with FreshTomato, set up WireGuard VPNs, and configured GNOME Remote Desktop and Cockpit for network management. Migrated friends’ systems to Linux, optimizing performance.

Vancouver Airport (2010–2011)

Maintained mission-critical security systems, set up scanners and handhelds, and trained helpdesk staff. Earned Level II Security Clearance. Explored Linux for system improvements.

CHC Helicopter (2011)

Cloned Windows laptops with Clonezilla for aviation IT, streamlining deployments and ensuring reliability.

Positronics Enterprises (2009)

Deployed Hyper-V virtual servers and an Asterisk PBX. Wrote Linux cloning scripts to automate system rollouts across Canada.

Bell Canada (2007–2008)

Configured VMware servers, FortiGate VPNs, and Active Directory. Optimized email filters and port forwarding, gaining interest in Linux solutions.

Shaw Cable (2006–2007)

Supported customers with internet and cable setups, explaining technical solutions clearly to non-experts.

Unisoft Systems (2002–2005)

Led a project to lay fiber-optic networks and build a server room. Managed VPNs, backups, and Accpac servers, sparking curiosity in Linux alternatives.

Education & Certifications

Contact