Seth L.

About Seth L.

I’ve spent the past 15 years learning how infrastructure breaks.and now I build systems…

Experience

1. Founder

   Marco Technologies

   Mar 2003 — Present · Omaha, NE, US

   Architected and operated enterprise-grade infrastructure demonstrating production-level security, automation, and reliability across 26 containerized services, 6 physical servers, and 5 network security zonesAchieved 99.9%+ uptime through high-availability design with automated failover, comprehensive health monitoring via Gatus, and zero-downtime deployment strategies using Docker and Ansible automationImplemented defense-in-depth security architecture with kernel-level hardening, network segmentation, zone-based firewall policies, and automated SSL/TLS certificate management, achieving zero security incidentsEngineered 98% I/O performance improvement through systematic kernel optimization, ZFS storage tuning, and network performance engineering with measured sub-3-second container deployment timesDeveloped custom Python-based MCP (Model Context Protocol) server enabling natural language infrastructure management through Claude AI integration, demonstrating innovation in operational automationBuilt a comprehensive monitoring and observability stack with real-time health checks, automated alerting via Discord, and performance metrics tracking across distributed infrastructure componentsCreated GitOps-based Infrastructure as Code framework using Ansible with 8+ production playbooks, encrypted secrets management, and automated backup strategies across all critical systemsDesigned scalable reverse proxy and CDN architecture integrating Traefik with Cloudflare, implementing load balancing, service discovery, and automated SSL provisioning for 20+ production servicesEstablished triple-redundant DNS infrastructure with Pi-hole and Unbound, implementing DNSSEC, DNS-over-HTTPS, and automated failover, ensuring continuous name resolution availabilityMaintained comprehensive technical documentation with 100+ markdown files, network diagrams, and operational procedures, establishing a knowledge base for infrastructure patterns used in professional environments

Education

• Metropolitan Community College

  General Studies, Information Technology

  2005 — 2011