Siddhanth Dwivedi
Summary
Infrastructure & Reliability Engineer with 6+ years operating and securing production cloud platforms on AWS. Core strengths in resilient architectures, data pipelines (CDC/ETL), disaster recovery automation, and observability across distributed systems. Delivered 30% AWS cost reduction, sub-hour DR RTOs, zero-downtime database failovers, and 99.92% platform uptime. Two-time Extra Mile Award recipient.
Skills
Reliability & Operations: Capacity Planning, Auto-Scaling (ECS, Redis/Valkey, OpenSearch), Disaster Recovery (IaC), Database Failover, Incident Response & RCA, Runbook Automation, On-Call, SLI/SLO
Containers & Orchestration: Docker, ECS (EC2 & Fargate), ECR, Kubernetes (personal), SOCI, Image Hardening, ARM/Graviton
Observability: CloudWatch Metrics/Logs/Alarms/Dashboards, Log Insights, Anomaly Detection, X-Ray, Prometheus & Grafana (personal), CloudTrail
Data & Pipelines: PostgreSQL CDC (Debezium), Amazon MSK (Kafka), AWS Glue, Redshift, S3 Data Lake, Schema Mapping
Cloud & Infra: AWS (EC2, Lambda, ALB, Route 53, S3, RDS, IAM, VPC, OpenSearch, MSK, Glue, Redshift, CloudFront, Security Hub, GuardDuty), IaC (CDK, CloudFormation), Multi-AZ & Multi-Region
Security: CIS Benchmarks, WAF, Shield, ISO 27001, GDPR, DPDPA, OWASP Top 10, CSPM, SAST (Snyk), AWS Inspector, Pentesting
Languages: TypeScript, Python, Ruby, Node.js, PostgreSQL, MySQL, Valkey/Redis, OpenSearch
Experience
Great LearningBangalore
Lead Infrastructure & Security Operations EngineerMay 2025 - Present
- Led production DB failover drill with zero downtime; PostgreSQL auto-reconnect with only 2 min degraded perf.
- Moved OpenSearch, Redshift, CloudFront to CDK IaC - infra fully recreatable in under 2 hours.
- Automated OpenSearch backups to S3 - DR RTO from ~1 week to 30-40 min.
- OpenSearch auto-scaling via Lambda/CloudWatch - cluster scaled 10x, 100% availability.
- Redis to Valkey migration - ~20% cost savings, lower P99 latencies, auto-scaling enabled.
- Built GL-CloudETL: Debezium + MSK + Glue pipeline replacing third-party vendor.
- Built AWS Cloud Manager with Google SSO for one-click ECS deployments.
- Dev onboarding from 3-4 days to 20-30 min. Android build time 30 min to 7 min.
- Reduced Node.js image vulns by 25 CVEs. Adopted AWS Inspector for shift-left scanning.
- Extra Mile Award (May 2025).
Great LearningBangalore
Senior Security Operations EngineerApr 2022 - May 2025
- 99.92% platform uptime. Owned on-call, RCA, runbook creation.
- CDK-based DR - full infra recreation in under 2 hours. Zero-downtime DB reconnection strategy.
- Cut AWS spend 30% via ARM/Graviton across ECS, RDS, Redis, OpenSearch + autoscaling.
- SOCI - 70% faster container startup. ECS build/deploy from 30+ min to under 10 min.
- CloudWatch observability stack - metrics, anomaly detection, dashboards, Log Insights.
- Full IaC migration (CDK) - VPC, IAM, RDS, Redis, ECS, WAF, S3, ALB, SQS, Transcoder.
- Ruby on Rails 5.2 to 7.1, Ruby 2.5 to 3.3 - latency down 20-22%, scalability up 30%.
- AWS Security score 64% to 98%. CIS Benchmark 100%. ISO 27001 certified.
- Extra Mile Award (Sep 2023).
Great LearningBangalore
Security Operations EngineerFeb 2021 - May 2022
- Pentesting, vuln assessments (OWASP Top 10, iOS/Android). WAF & CloudWatch. Phishing sims - risk down 35%.
Great LearningDelhi
Cyber Security InstructorSep 2019 - Feb 2021
- Security training, curriculum development, lab environments.
Projects
Kubernetes (Minikube/kind), Prometheus metrics + alerting, Grafana dashboards. Helm, kubectl, K8s networking.
Education
B.Tech, CS&E2017-2020
Maharaja Surajmal Institute of Technology, Delhi
Diploma, CS&E2013-2016
Government Polytechnic College, Mohali
Achievements
Extra Mile Award - Great Learning (Sep 2023, May 2025) for ISO certification, DevSecOps adoption, cost/reliability optimization.