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Infrastructure & Cloud Systems Administrator

Jan 2025 - Present • 1 yr 10 mos

• Took part in an application modernization initiative with FifthLab development teams, transforming manual VM-based deployments into containerized, image-based workloads orchestrated on Kubernetes; migrated 7+ production applications including mission-critical core banking systems onto the new platform. • Deployed and configured Ansible AWX platform to centralize configuration management, security patching, and operational workflows across 500+ heterogeneous Linux (RHEL/Ubuntu/CentOS) and Windows servers. • Led a cross-hypervisor live migration project for a microfinance bank, transitioning 35+ production virtual machines from Zadara Cloud to a Nutanix AHV cluster with zero downtime and no business disruption. • Collaborated with OEM engineering partners to deploy and initialize a 6-node Nutanix HCI cluster and VMware vSphere cluster, managing hardware provisioning, network integration, and initial storage setup. • Architected and deployed an enterprise Zabbix monitoring server onboarding 300+ VMs with custom metrics, automated email alerts, scheduled reporting, and Grafana dashboard integration. • Designed and implemented a secure enterprise FTP/SFTP storage solution featuring RBAC file permissions, multi-tenant authentication, and automated backup data transfers. • Provision and manage customer virtual machines, overseeing full lifecycle deployments, security hardening, resource allocation, and advanced troubleshooting across Linux and Windows environments. • Execute data center hardware installations, server racking, precision labeling, structured cabling, and capacity planning alongside storage array management. • Automate infrastructure provisioning and lifecycle operations on Nutanix HCI, including new VM provisioning, OS configuration, and post-deployment hardening standardizing builds and cutting manual provisioning effort.

It Support

Jan 2023 - Aug 2023 • 7 mos

Implemented identity migration from Exchange On-Premises to SaaS/Microsoft 365, achieving Azure AD synchronization and Single Sign-On (SSO) integration. Deployed Sophos Endpoint Protection across 200+ enterprise devices, reducing malware incidents by 80% and enforcing centralized endpoint security policies. Managed ITSM ticketing workflows and system maintenance using ManageEngine ServiceDesk and SCCM to support network operations and minimize downtime. Administered Windows Server, Linux Server, macOS, and Azure AD with account provisioning, Group Policy objects (GPO), and RBAC access controls. Managed LAN, VLAN, VPN, and rule configurations using Sophos Firewalls, ensuring secure remote access and segmented internal network architecture. Conducted IT infrastructure audits to maintain strict compliance with company security standards and data privacy policies. Monitored server health and performance metrics using PRTG, ManageEngine Endpoint Central, and vSphere consoles.