Cloud Architecture & Infrastructure Design

Cloud Infrastructure Architecture

Greenfield Cloud Design

• Full cloud environment design from zero
• Account structure & project segmentation
• IAM architecture & least-privilege design
• VPC/VNet design and segmentation
• Subnet & routing architecture
• NAT, gateway, and edge design
• High-availability multi-AZ architecture

Multi-Region & Global Architecture

• Active/Active and Active/Passive design
• Global DNS routing strategies
• Latency-based traffic routing
• Regional failover planning
• Disaster recovery region replication

Multi-Cloud Strategy

• Cross-provider redundancy
• Cloud provider risk mitigation
• Hybrid architecture (on-prem to cloud)
• Inter-cloud networking
• Vendor-neutral infrastructure planning

Compute & Scaling Architecture

• Auto-scaling group design
• Stateless application tier engineering
• Dedicated database tier architecture
• API cluster design
• Worker/queue architecture
• Container orchestration design
• Resource isolation strategy
• Vertical vs horizontal scaling modeling

Network Architecture & Traffic Engineering

• Secure VPC design
• Private/public subnet separation
• Bastion host architecture
• Load balancer design (L4 & L7)
• Reverse proxy clusters
• WAF integration
• DDoS mitigation planning
• VPN and site-to-site connectivity
• Zero-trust access models

Storage & Data Architecture

• Block storage optimization
• Object storage architecture
• Database storage performance tuning
• Snapshot lifecycle policies
• Cross-region replication
• Backup architecture validation
• Data retention policy design
• Storage cost optimization strategy

High Availability & Disaster Recovery

• RTO/RPO planning
• Backup validation & restore testing
• Automated failover systems
• Database replication architecture
• Cross-zone redundancy
• Infrastructure resilience testing
• Chaos scenario simulations
• Incident response architecture

Security Architecture

• IAM least-privilege modeling
• Role-based access control
• Network segmentation strategy
• Secrets management architecture
• Encryption at rest & in transit
• Compliance-aligned architecture
• Audit logging strategy
• Security event monitoring integration

Infrastructure as Code (IaC)

• Terraform-based deployments
• Modular architecture design
• Version-controlled infrastructure
• Environment parity (dev/stage/prod)
• Automated provisioning pipelines
• Immutable infrastructure design
• Policy as Code implementation

Performance & Capacity Planning

• Load modeling & growth forecasting
• Capacity trend analysis
• Performance benchmarking
• Database scaling projections
• Network throughput modeling
• IOPS forecasting
• Infrastructure stress testing

Cost-Aware Architecture

• Resource right-sizing strategy
• Reserved vs on-demand planning
• Savings plan modeling
• Cost allocation structure
• Tagging strategy for cost tracking
• Budget enforcement architecture
• Cloud waste elimination audits

Observability & Reliability Engineering

• Centralized logging architecture
• Metrics aggregation design
• Distributed tracing architecture
• Alerting strategy design
• SLA & SLO modeling
• Error budget management
• Proactive capacity alerting

Migration Architecture

• Lift-and-shift planning
• Re-platforming strategy
• Re-architecture modeling
• Downtime minimization planning
• Cutover orchestration
• Validation & rollback planning
• Legacy infrastructure modernization

Governance & Operational Framework

• Cloud governance models
• Account & project policy enforcement
• Access lifecycle management
• Documentation & runbook creation
• Change management integration
• Security review processes