- Manage and support AWS and Azure cloud infrastructure to ensure high availability, performance, and security of production environments. - Design and operate highly available and fault‑tolerant AWS architectures using EC2, Auto Scaling, Application/Network Load Balancers, and Multi‑AZ deployments. - Provision and maintain storage and database services including Amazon S3, RDS, EBS, EFS, and Azure Storage (Blob/File) with a focus on durability and performance. - Implement cloud security and compliance controls using AWS IAM, Security Hub, GuardDuty, ACM, KMS, along with Azure Key Vault and Defender for Cloud. - Monitor and troubleshoot infrastructure using AWS CloudWatch, CloudTrail, Kinesis, and Azure Monitor & Log Analytics, enabling proactive alerting and faster incident resolution. - Support containerized workloads using Docker and Amazon EKS and assist with CI/CD pipelines through Azure DevOps and Git to improve deployment efficiency. - Perform Linux system administration across RHEL, CentOS, and Ubuntu, including user management, permissions, patching, backups, and security hardening. - Investigate and resolve P1/P2 critical incidents across cloud and Linux platforms, perform root cause analysis (RCA), and implement permanent fixes to prevent recurrence. - Collaborate with development, QA, network, and security teams during major incidents and infrastructure changes. - Automate routine operational tasks using Bash, Python, Terraform (IaC), and scripting, improving operational efficiency and consistency. - Maintain operational runbooks, SOPs, and troubleshooting documents, and provide L2/L3 technical and customer-facing support for cloud and infrastructure-related issues. - Ensure system reliability with a focus on 99.9% uptime, backup validation, and disaster recovery readiness.