Sagar Saitwal

Implemented intrusion detection, compliance monitoring, and centralized security logging with Wazuh SIEM and OpenSearch. Secured AWS and Azure infrastructure with IAM, RBAC, security groups, NSGs, and firewall policies based on least-privilege principles.

Supported AWS production infrastructure for regulated financial applications, managing EC2, IAM, Security Groups, and EBS under security and compliance controls. Supported monitoring and availability improvements for production workloads.

Managed the Windows Server lifecycle, including patching, security hardening, performance tuning, and backup with Commvault. Administered virtualized and hybrid infrastructure across VMware, Hyper-V, Nutanix, and Azure IaaS, plus Microsoft Entra ID and Microsoft 365.

Supported large-scale enterprise production environments under SLA-driven operations. Performed patching, security hardening, and vulnerability remediation, and supported Privileged Access Management (PAM) systems for compliance.

Built and supported Windows and Azure-based infrastructure for healthcare diagnostics business applications. Administered Active Directory, DNS, DHCP, and VMware ESXi, and troubleshot OS, networking, IIS, and SQL Server issues.

Master of Computer Applications degree from North Maharashtra University, Jalgaon, Maharashtra.