Arshad Mughal Email and Phone Number

Provisioned Virtual Machines and Windows Servers.Developed and maintained infrastructure to support business needs, regularly troubleshooting and resolving system issues.Managed security, functionality, and availability of infrastructure to ensure seamless operation.Deployed latest technologies and best practices to enhance infrastructure and customer support.Collaborated with DBAs on Oracle database installation.Handled user and security management in Linux/UNIX, including permissions, group, and account management.Provided customer support, troubleshooting server and system-wide issues.Performed Red Hat Linux upgrades and routine system maintenance, addressing server-side issues as needed.Offered technical support and guidance to users and administrators.Created and managed physical volumes, logical volumes, and volume groups using LVM in Linux.Scheduled tasks using crontab and transferred files between systems.Troubleshot system, network, and user issues, including disk space management and file system errors.Managed package installations and upgrades using YUM and RPM.Handled file sharing and backups via rsync, SCP, and FTP.Advised senior leadership on emerging cyber threats and devised strategic defense and mitigation plans to safeguard organizational assets.

Administered Linux servers (RHEL 6/7) for managing Apache/Tomcat, mail servers, and firewalls in both development and production environments.Installed and configured hardware and Linux OS across network servers based on client specifications.Set up and managed environments using Chef for configuration management, including installing Chef Client software and establishing server-client communication.Installed and configured Red Hat Linux clusters and managed cluster resources.Built and configured Hadoop servers as Kafka/Storm nodes, with knowledge of Hortonworks and Cloudera platforms.Managed VMware infrastructure, including ESXi, Virtual Center, and involved in VMWare ESX vSphere 5.6 virtualization, VM creation, and P2V/P2P migrations.Automated tasks using Korn shell scripts for installation, log extraction, backups, performance monitoring, and security management.Performed daily system checks, troubleshooting, and run-level checks to ensure high availability of databases and applications.Managed storage, including VG/LV creation, LVM and file system management, disk mirroring, and system/network performance monitoring.

Installed, maintained, and administered Red Hat Enterprise Linux, SUSE, and CentOS systems, both physically and virtually.Configured and managed clustered environments for failover, load balancing, and application deployment.Installed and configured Apache Tomcat (versions 6, 7, 8) and JBOSS Application Server on RHEL.Administered OpenStack environments and supported databases like Oracle and LAMP stacks.Automated deployments on AWS EC2 using Chef and configured monitoring tools like Nimsoft.Managed over 3,500 servers using Puppet and Salt for configuration management.Cloned and migrated virtual machines across Hyper-V hosts and replicated VMs on Azure for disaster recovery.Handled on-call duties, troubleshooting critical infrastructure, and performing system upgrades and maintenance.Managed file systems, disk space, and server performance using tools like LVM, PS, vmstat, and SAR.Automated processes using CRON, and maintained user accounts, file permissions, and system profiles.Provided 24x7 support for UNIX/Linux servers running critical applications, using Ansible and Chef for automation.Performed remote monitoring, hardware upgrades, and OS installations with kickstart for RHEL.Created and maintained documentation, runbooks, and SOPs to ensure smooth operations.