Dionisie C.
DevOps Engineer at Cox Automotive | Cloud Infrastructure | Kubernetes | CI/CD Automation | Terraform | GitHub Actions | Docker
- Role
- Devops Engineer at Cox Automotive Inc.
- Location
- Chicago, IL, US
- LinkedIn followers
- 500 followers
About Dionisie C.
I bring 5+ years of DevOps experience focused on building and managing secure AWS…
Experience
Devops Engineer
Jan 2023 — Present · Atlanta, GA, US
At Cox Automotive, I: • Built and maintained CI/CD pipelines for 20+ applications using GitHub Actions with OIDC authentication, enabling secure and scalable deployments. • Deployed 25+ microservices to AWS EKS with Terraform and Helm, implementing a blue-green strategy for zero-downtime releases and instant rollbacks during high-traffic dealer auctions. • Migrated legacy workloads from EC2 VMs to EKS, saving thousands per month in compute costs and improving scalability. • Strengthened security with AWS IAM and Kubernetes RBAC, enforcing least-privilege access across applications and developer accounts. • Led the migration from Datadog to Prometheus/Grafana, reducing monitoring costs by approximately $4k per month while maintaining visibility and reliability. • Automated S3 lifecycle policies, cutting storage costs by 32% while maintaining compliance with retention requirements.
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