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| # Cloud Infrastructure Modernization Project | |
| ## Project Overview | |
| **Project Name**: Aurora Cloud Migration & Platform Engineering | |
| **Duration**: 18 months | |
| **Team Size**: 8 DevOps engineers + 4 Cloud architects | |
| **Status**: Phase 2 (Multi-cloud deployment) | |
| ## Technology Stack | |
| - **Cloud Platforms**: AWS (primary), Azure (secondary), GCP (analytics) | |
| - **Container Orchestration**: Kubernetes, Amazon EKS, Azure AKS | |
| - **Infrastructure as Code**: Terraform, AWS CloudFormation, Pulumi | |
| - **CI/CD**: GitLab CI, ArgoCD, Tekton, AWS CodePipeline | |
| - **Monitoring**: Prometheus, Grafana, ELK Stack, AWS CloudWatch | |
| - **Service Mesh**: Istio, AWS App Mesh | |
| - **Security**: HashiCorp Vault, AWS Secrets Manager, Falco | |
| ## Architecture Evolution | |
| ### Phase 1: Lift & Shift (Completed) | |
| - Migrated 200+ VMs to AWS EC2 | |
| - Implemented basic auto-scaling | |
| - Set up centralized logging and monitoring | |
| ### Phase 2: Container Transformation (Current) | |
| - Containerizing 50+ applications | |
| - Kubernetes cluster management | |
| - Microservices decomposition | |
| - GitOps implementation | |
| ### Phase 3: Multi-Cloud Strategy (Planned) | |
| - Cross-cloud disaster recovery | |
| - Workload optimization across providers | |
| - Unified monitoring and management | |
| ## Core Infrastructure Components | |
| ### 1. Kubernetes Platform | |
| - **Setup**: Multi-region EKS clusters, Node auto-scaling | |
| - **Networking**: Calico CNI, Network policies, Ingress controllers | |
| - **Security**: RBAC, Pod Security Standards, Network segmentation | |
| - **Monitoring**: Prometheus operator, Grafana dashboards | |
| ### 2. CI/CD Pipeline | |
| - **Source Control**: GitLab with branch protection | |
| - **Build**: Docker multi-stage builds, Security scanning | |
| - **Deploy**: ArgoCD for GitOps, Blue-green deployments | |
| - **Testing**: Automated testing pipelines, Performance tests | |
| ### 3. Observability Stack | |
| - **Metrics**: Prometheus, Custom metrics, SLI/SLO monitoring | |
| - **Logging**: ELK Stack, Centralized log aggregation | |
| - **Tracing**: Jaeger, Distributed tracing | |
| - **Alerting**: AlertManager, PagerDuty integration | |
| ### 4. Security & Compliance | |
| - **Secrets Management**: HashiCorp Vault, AWS Secrets Manager | |
| - **Network Security**: VPC design, Security groups, NACLs | |
| - **Compliance**: SOC 2, ISO 27001, Automated compliance checks | |
| - **Vulnerability Management**: Container scanning, Dependency checks | |
| ## Skills Required by Role | |
| ### Cloud Platform Engineer | |
| - **Essential**: AWS/Azure/GCP, Terraform, Kubernetes, Linux | |
| - **Intermediate**: Networking, Security, Monitoring, CI/CD | |
| - **Advanced**: Multi-cloud architecture, Cost optimization, Automation | |
| ### DevOps Engineer | |
| - **Essential**: Docker, Kubernetes, CI/CD, Git, Scripting (Python/Bash) | |
| - **Intermediate**: Infrastructure as Code, Monitoring, Security | |
| - **Advanced**: Platform engineering, SRE practices, Incident response | |
| ### Site Reliability Engineer (SRE) | |
| - **Essential**: Linux, Monitoring, Incident response, Automation | |
| - **Intermediate**: Kubernetes, Cloud platforms, Performance tuning | |
| - **Advanced**: Reliability engineering, Chaos engineering, SLI/SLO design | |
| ### Security Engineer (Cloud) | |
| - **Essential**: Cloud security, Network security, Identity management | |
| - **Intermediate**: Kubernetes security, Compliance frameworks | |
| - **Advanced**: Threat modeling, Security automation, Zero-trust architecture | |
| ## Learning Paths for Cloud Roles | |
| ### Cloud Platform Engineer Track - 12 weeks | |
| 1. **Week 1-2**: AWS fundamentals, Core services, IAM | |
| 2. **Week 3-4**: Terraform basics, Infrastructure as Code patterns | |
| 3. **Week 5-6**: Kubernetes fundamentals, Container orchestration | |
| 4. **Week 7-8**: Advanced Kubernetes, Helm, Operators | |
| 5. **Week 9-10**: Monitoring and observability, SRE practices | |
| 6. **Week 11-12**: Multi-cloud strategies, Cost optimization | |
| ### DevOps Engineer Advancement - 10 weeks | |
| 1. **Week 1-2**: Advanced Docker, Container best practices | |
| 2. **Week 3-4**: Kubernetes deep dive, Custom resources | |
| 3. **Week 5-6**: GitOps with ArgoCD, Advanced CI/CD patterns | |
| 4. **Week 7-8**: Infrastructure automation, Configuration management | |
| 5. **Week 9-10**: Security integration, Compliance automation | |
| ### SRE Specialization - 8 weeks | |
| 1. **Week 1-2**: SRE principles, SLI/SLO design, Error budgets | |
| 2. **Week 3-4**: Monitoring and alerting, Incident response | |
| 3. **Week 5-6**: Performance engineering, Capacity planning | |
| 4. **Week 7-8**: Chaos engineering, Reliability patterns | |
| ## Current Infrastructure Challenges | |
| - **Multi-cloud Complexity**: Managing workloads across providers | |
| - **Cost Optimization**: Right-sizing resources, Reserved instances | |
| - **Security**: Zero-trust implementation, Compliance automation | |
| - **Scalability**: Auto-scaling strategies, Performance optimization | |
| - **Disaster Recovery**: Cross-region failover, Data consistency | |
| ## Best Practices Implemented | |
| - **Infrastructure as Code**: 100% infrastructure managed via code | |
| - **GitOps**: Declarative configuration management | |
| - **Immutable Infrastructure**: Container-based deployments | |
| - **Observability**: Comprehensive monitoring and alerting | |
| - **Security**: Shift-left security, Automated compliance | |
| ## Open Positions | |
| - Senior Cloud Platform Engineer (AWS/Kubernetes) | |
| - DevOps Engineer (Terraform/GitOps) | |
| - Site Reliability Engineer (SRE) | |
| - Cloud Security Engineer | |
| - Platform Engineering Lead | |