AWS Cloud Architecture & Engineering

AWS Architecture & Governance

Account & Organizational Design

• Multi-account AWS Organizations strategy
• Production / staging / development segmentation
• IAM least-privilege architecture
• Cross-account role design
• SCP enforcement policies
• Tagging standards for cost governance

High Availability VPC & Network Engineering

• Multi-AZ VPC architecture
• Public/private subnet segmentation
• NAT & Internet Gateway design
• Transit Gateway architecture
• Site-to-site VPN & hybrid connectivity
• Secure bastion host architecture
• Load balancer design (ALB/NLB)
• Auto Scaling Group engineering
• Cross-region disaster recovery planning

Multi-Tier & Load Balanced Architecture

• HAProxy Layer 4 & Layer 7 architecture design
• High-availability load balancer clusters
• Dedicated web tier engineering (Nginx/Apache)
• API server cluster architecture
• PHP-FPM scaling pools
• Redis cluster design
• Dedicated database servers with replication
• Private backend network segmentation
• CDN origin architecture integration
• Horizontal scaling across racks or facilities
• Zero-downtime deployment strategy

Compute & Scaling Strategy

• EC2 architecture optimization
• EC2 right-sizing analysis
• Auto Scaling Group engineering
• Launch template standardization
• Reserved Instance & Savings Plan modeling
• Spot instance strategy
• Hardened AMI baseline builds
• EBS IOPS and throughput optimization

CloudFront Architecture & CDN Engineering

Global Content Delivery

• CloudFront distribution design
• Origin architecture modeling (ALB, EC2, S3)
• Multi-origin failover configuration
• Edge caching optimization
• TTL & cache-control strategy

Security & Performance

• CloudFront + WAF integration
• Geo-restriction configuration
• Rate limiting & bot mitigation
• HTTPS enforcement & TLS optimization
• Origin shielding configuration

Advanced Edge Design

• CDN origin offload strategies
• API acceleration patterns
• Static + dynamic content separation
• Zero-downtime cache invalidation workflows
• Cost-aware CDN architecture

S3 Architecture & Static Web Engineering

• S3 static website architecture
• Secure bucket configuration
• CloudFront + S3 integration
• Cross-region replication
• Lifecycle & archival policies
• Object storage cost optimization
• S3 as origin for web clusters
• S3 linking & asset offloading to backend servers

Database Architecture

• RDS & self-managed EC2 database design
• Multi-AZ replication strategy
• Read replica scaling
• Aurora consulting
• Backup validation & restore testing
• Storage growth forecasting
• High-availability database failover design

MySQL & MariaDB Engineering

• MySQL and MariaDB deployment on self-managed EC2 instances
• Master-slave replication with automated failover
• Multi-master replication for write scaling
• GTID-based replication for reliable failover tracking
• Read replica pools for query load distribution
• InnoDB tuning for memory and I/O optimization
• Automated backup via snapshots and mysqldump pipelines
• Point-in-time recovery using binary log replay
• Performance schema and slow query analysis
• Connection pooling and thread tuning for high-concurrency workloads

Security Engineering

Identity & Access

• IAM least-privilege modeling
• Role-based access control
• MFA enforcement
• API key governance
• Credential rotation automation

Network Security

• Security Group auditing
• NACL optimization
• WAF configuration
• Shield integration strategy
• Bastion isolation

Monitoring & Threat Detection

• CloudTrail configuration
• GuardDuty integration
• Log aggregation pipelines
• Suspicious activity alerting
• GeoIP access analysis

Automation & AWS CLI Engineering

• AWS CLI automation scripting
• Infrastructure orchestration via shell & CLI
• Bulk resource provisioning scripts
• Automated tagging enforcement
• Cost reporting automation
• Snapshot lifecycle automation
• Scheduled cleanup workflows
• Cross-account automation frameworks

Cost Optimization & Financial Governance

• Cost allocation modeling
• Budget alerts & enforcement
• RI coverage tracking
• Savings Plan analysis
• Idle resource detection
• EBS & snapshot cleanup automation
• Historical spend trend modeling

Monitoring & Operational Excellence

• CloudWatch metric engineering
• Custom dashboards
• Alert escalation workflows
• SLA tracking & reporting
• Capacity forecasting
• Automated remediation scripting

Migration & Modernization

• On-prem to AWS migration planning
• Lift-and-shift execution
• Re-platforming strategy
• Legacy workload modernization
• Downtime minimization orchestration
• Validation & rollback procedures