Abdul Ahad

Senior DevOps Engineer

PostEx • Full time

Nov 2020 - Jan 2026 • 5 yrs 2 mos

Designed and managed scalable, secure, and cost-optimized cloud infrastructures across AWS, GCP, Azure, and Kubernetes environments for healthcare, AI, logistics, and enterprise applications. Architected a fully AWS-based healthcare infrastructure ensuring high availability and HIPAA-aligned security. Implemented EC2, RDS, S3, CloudFront, Lambda, SQS, IAM, Route 53, and CodePipeline within a secure VPC architecture. Successfully resolved HIPAA compliance checks via Vanta and coordinated audit processes. Designed a startup-optimized AI Agent infrastructure on AWS using Auto Scaling Groups, Launch Templates, ALB, EC2, and RDS with network isolation and multi-AZ deployment. Integrated CloudWatch and Signoz for observability and implemented cost-efficient scaling strategies. Led multiple migrations from VM-based systems to Kubernetes on AWS, GCP, and bare metal. Containerized Django, Flask, Spring Boot, Laravel, React, Angular, and Vue applications. Implemented Helm-based deployments, feature-based releases, and CI/CD pipelines using Jenkins, GitHub Actions, GitLab CI/CD, Bitbucket, and AWS CodePipeline. Built centralized monitoring and logging systems using ELK Stack, Prometheus, Grafana, SkyWalking, Netdata, Dozzle, and Slack alerts, improving incident response and system visibility. Managed MongoDB, PostgreSQL, MySQL, and Elasticsearch clusters including upgrades, backups, restores, performance tuning, and secure VPN-based communication. Implemented AWS VPN solutions for secure banking integrations and deployed Keycloak on AKS for identity and access management. Automated backups, health checks, rollbacks, and operational reporting using Bash scripts and UIPath bots, reducing manual workload and improving reliability.