Delivered IT administration and systems support for small businesses. Executed malware removal, system rebuilding, hardware upgrades, backups, and data restoration after failures. Orchestrated Azure projects, Active Directory domains, GPOs, Entra ID, Intune (MDM), and user access controls. Configured wired and wireless networks. Provided end-user support, including system setup and personnel training. Streamlined system configuration with Terraform (IaC, HCL), increasing VNET and Virtual Machine deployment efficiency by 30% and eliminating configuration drift. Enhanced network security with comprehensive configuration of role-based access controls (RBAC). Scanned for vulnerabilities with Tenable Nessus and logged events with Wazuh (SIEM). Facilitated smooth transition from on-premises systems to Azure Cloud.

Managed critical Fintech pipelines using Wildfly, ServiceMix, and ActiveMQ, ensuring utmost data integrity for client-facing web applications and financial transactions. Mentored junior engineers with knowledge transfers and runbooks with technical details on the Linux and application host environments. Oversaw scalable AWS infrastructure while stabilizing legacy systems through Linux administration and XML configuration files. Improved system performance by monitoring and addressing low-level Linux bottlenecks (IO, memory, storage, network). Achieved SLA satisfactory for high-volume transaction platforms through rigorous Root Cause Analysis and the implementation of automated batches in Airflow. Managed continuous deployment pipelines across Development, QA, Testing, and Production environments for major banking clients, tracked requests from Clients via Dynamics 365, and internally scheduled and tracked changes via Atlassian Jira. Implemented container orchestration using Kubernetes and Docker.

Managed host failovers with Akamai and Resolve, ensuring service continuity for global web applications. Administered IBM WebSphere Server (WAS) and Linux (RHEL) environments, monitoring JVM resources for optimal application stability and responsiveness. Leveraged ThousandEyes and Splunk for log forwarding and event-driven troubleshooting (SIEM). Spearheaded High Availability (HA) initiatives, reducing downtime. Implemented advanced monitoring solutions, doing the utmost to improve incident response and resolution times (MTTR).

Oversaw global endpoint transactions processing (Start of Day, End of Day) using ASG Zena, CA Autosys, Orsyp Dollar Universe, and FundTech PayPlus. Provided data integrity for financial transactions by implementing resilient, automated workflows. Ensured maximum possible production health by serving as the senior escalation point for OpenShift, SQL, and Oracle support teams, relaying across Teams and documenting all fixes within ServiceNow (ITSM). Provided the utmost server availability across Wintel and UNIX environments using IBM Tivoli, proactively managed resource thresholds and directed high-tier support teams to resolve performance bottlenecks or outages before imminent business and SLA impact. Managed enterprise-wide system backups using Veritas NetBackup. Hardened data-in-transit protocols by automating secure file transmissions (SFTP/SCP), regulatory Disaster Recovery (DR) exercises, and ensuring full compliance with financial industry availability standards.

Administered enterprise-wide Windows OS deployments for thousands of remote healthcare clients, utilizing Altiris. Deployed mission-critical healthcare applications using Citrix MetaFrame (Virtual Apps). Optimized terminal emulators and remote access tools to provide high-availability system access for clinical staff.

3.65 GPA