Senior AWS Engineer – Cloud Cost Optimization

Key responsibilities
• Build a cost baseline from Cost Explorer and CUR data, identify major cost drivers, spend trends, idle resources and cost-allocation gaps; review tagging and governance practices.
• Run EKS cluster efficiency assessment — node utilization, pod resource allocation, autoscaling config, workload sizing, storage — and recommend rightsizing and Spot adoption.
• Assess CloudWatch log ingestion patterns, retention policies, custom metrics and monitoring cost; eliminate excessive logging and duplicate log streams.
• Model Reserved Capacity and Savings Plans ROI and apply storage tiering.
• Consolidate findings into a prioritized opportunity register scored on effort, risk and savings, plus a 90-day roadmap and executive summary.
• Implement optimizations across 20 EKS clusters spanning all environments, and stand up ongoing FinOps governance.
• Work within CloudFormation IaC with no console changes, preserving Multi-AZ HA, KMS encryption and backup posture.

Must-have skills:
• 6–10 years AWS engineering with 3+ in cost optimization/FinOps
• Strong knowledge on Cost Explorer, CUR, Compute Optimizer, tagging strategy; Kubernetes/EKS at scale including autoscaling and Spot; CloudWatch cost control; S3 lifecycle and tiering; CloudFormation; ECS/Lambda; strong executive-level reporting.
• Nice to have — FinOps Certified Practitioner, AWS Solutions Architect Professional, CKA, prior work in a regulated/validated AWS estate.