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Cullen Knight
Senior Platform Engineer specializing in AWS cloud infrastructure and internal tooling
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About
Infrastructure engineer focused on AWS platform automation: built a full CloudFormation-based environment (networking, Aurora, ElastiCache) and created Python tooling plus Lambda-backed custom resources to automate deployments, user provisioning (MySQL/RabbitMQ), and operational workflows. Also migrated a company from Rackspace to AWS and maintains an 8-year Debian homelab with VMs/containers, RAID6 backups, and GPU passthrough troubleshooting. No Kubernetes experience.
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Key Strengths
- Built AWS infrastructure-as-code (CloudFormation) from scratch for a company
- Designed multi-tier AWS networking (VPC with 3 public/3 private subnets, NAT/IGW)
- Automated end-to-end infra validation and deployment with a custom Python tool
- Reduced manual work and drift via strict naming conventions and automation
- Extended CloudFormation with Lambda-backed custom resources to fill ecosystem gaps
- Implemented monitoring/alerting with CloudWatch alarms and escalation paths
- Led a Rackspace-to-AWS migration and evaluated hybrid VPN tradeoffs
- Deep hands-on homelab ops: Debian bare metal + libvirt/QEMU + Docker Compose + RAID6 backups
- Resolved GPU passthrough contention by dedicating a GPU to libvirt to prevent VM hangs
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