Himanshi Thareja

Managed and supported 5000+ server infrastructure across on-prem, Azure cloud, and physical environments, ensuring stability and scalability of GAP.

Provided L2-level support including user/group management, security hardening, disk/storage management (LVM, partitions, filesystems), process monitoring, and incident resolution.

Built and decommissioned servers using Git and JSON for configuration management, while maintaining comprehensive documentation for compliance and audits.

Managed patching and package updates using JFrog Artifactory, ensuring system security, vulnerability remediation, and zero downtime compliance.

Ran CI/CD pipelines for server provisioning and disk addition, automating LVM setup, volume extension, filesystem mounting, and server build processes to improve efficiency and reduce manual errors.

Enabled and configured Prometheus monitoring agents for server health checks, peak readiness, and proactive alerting to ensure high availability and performance.

Installed and configured Docker for containerization, supporting application deployment and environment standardization.

Automated daily operational tasks using Ansible playbooks, including patching, agent installation, and routine system maintenance, improving efficiency and reducing manual errors.

Worked on H&M and FedEx projects, managing and administering 1200+ linux servers across cloud and on-prem environment.

Handled commissioning/decommissioning of servers, maintained proper documentation, and ensured SLA compliance.

Expertise in LVM administration (PV, VG, LV creation & management), multipath configuration, filesystem management, and system performance tuning.

Automated administration tasks using Bash/Shell scripting and Ansible (playbooks & ad-hoc commands), improving efficiency and reducing manual effort.

Skilled in service management (systemd, crontab, SSH, firewalld), package management (YUM, RPM), and monitoring/log analysis (Nagios, journalctl, dmesg, top, vmstat).

Performed regular patching, kernel upgrades, and vulnerability remediation to maintain server security and compliance.

Hands-on experience in RHEL version upgrades from 7 to 8, ensuring smooth migration with minimal downtime.

Worked on ServiceNow change management (CTASK, incidents, problem tickets) and ensured SLA adherence for timely resolution.

Assisted in installation, configuration, and administration of RHEL 7 & 8 servers.

Performed user/group management, filesystem management, process monitoring, and basic troubleshooting.

Gained hands-on experience with patching, yum repository management, and kernel upgrades.

Developed basic Shell scripts to automate routine tasks and improve efficiency.

Monitored system performance using top, df, free, dmesg, and journalctl.