Apache Airflow & AWS (S3/EMR/Bedrock) Data Platform Administrator / Operations Engineer

• Strong experience in Airflow DAG monitoring, including tracking task states, resolving DAG execution delays, and ensuring reliability across distributed environments.
• Expertise in failure recovery, including retry strategies, SLA miss handling, backfilling, re-running failed task instances, and ensuring consistent pipeline execution across environments.
• Hands‑on experience providing SLA‑based job execution support, ensuring time‑critical pipelines meet business deadlines and production SLAs are continuously maintained.
• Skilled in performing root cause analysis (RCA) for pipeline failures, including dependency failures, task‑level exceptions, scheduler issues, and platform‑level bottlenecks.
• Experience in managing S3 storage optimization, including lifecycle policies, intelligent tiering, storage class transitions, versioning, and cost‑effective data retention strategies.
• Expertise in securing S3 environments using IAM policies, bucket policies, encryption (KMS), access logging, and object‑level permissions.
• Skilled in conducting cost usage analysis for S3 storage and recommending optimization strategies to reduce operational spend.
• Strong background in administering Amazon EMR clusters, including cluster provisioning, configuration, autoscaling, and lifecycle management.
• Experience supporting Amazon Bedrock environments, including model endpoint configuration, invocation monitoring, access control, and cost governance.

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