David Miller
Senior DevOps Engineer
Work Experience
2022/06 - Present
Senior DevOps Engineer
Datadog - Seattle- Led cloud migration to multi-cloud architecture spanning AWS and GCP, resulting in 40% improved reliability and disaster recovery capabilities
- Implemented infrastructure as code using Terraform and Ansible, reducing deployment time by 75%
- Architected and deployed enterprise-wide Kubernetes clusters supporting 200+ microservices
- Optimized cloud infrastructure costs, achieving $400K annual savings through resource optimization and spot instance implementation
- Developed custom observability stack using Prometheus, Grafana, and OpenTelemetry
- Implemented GitOps workflow using ArgoCD and GitHub Actions, achieving 99.99% deployment success rate
2018/01 - 2019/12
DevOps Engineer
HashiCorp - San Francisco- Managed and scaled production Kubernetes clusters supporting 100+ microservices with 99.99% uptime
- Implemented zero-downtime deployment strategy using Spinnaker and custom blue-green deployment tools
- Built comprehensive monitoring and alerting system using ELK Stack and PagerDuty, reducing MTTR by 60%
- Developed custom operators for Kubernetes using Go, automating complex deployment scenarios
- Implemented security best practices including HashiCorp Vault for secrets management and OPA for policy enforcement
Technical Skills
Cloud & Infrastructure
- AWS (EKS, ECS, Lambda), GCP (GKE, Cloud Run), Azure (AKS)
- Infrastructure as Code: Terraform, CloudFormation, Pulumi
- Configuration Management: Ansible, Chef, Puppet
Container & Orchestration
- Kubernetes, Docker, Containerd, Podman
- Service Mesh: Istio, Linkerd
- Package Management: Helm, Kustomize
CI/CD & Automation
- GitOps: ArgoCD, Flux
- CI/CD: GitHub Actions, Jenkins, GitLab CI
- Scripting: Python, Go, Bash
Monitoring & Security
- Observability: Prometheus, Grafana, Datadog
- Logging: ELK Stack, Loki
- Security: Vault, Cert-Manager, Trivy