SUMMARY

• System Administration, Windows and VMware Installation, Administration, and Configuration.
• Experience in managing Windows 2003/ 2008/2012/2016 servers and windows patch management and windows active directory.
• Demonstrated expertise in vSphere infrastructure administration - activities must include the full lifecycle of Virtualization Infrastructure (requirements, procurement, installation, securing, operations and upgrades.)
• Design, develop and maintain automation of VMWARE infrastructure management
• Design installation, management and routine upgrades of VMWARE infrastructure
• Provide tier 2 and 3 support of VMWARE infrastructure - 24x7 on call.
• End-to-end Datacenter operations success through network, server, and infrastructure monitoring and troubleshooting.
• Provide key technical consultation with major migration and transition programs
• Working as Windows 2008 server admin. Installing, configuring and troubleshooting on the Windows server 2008 & 2008R2, 2012,2016.
• Expert in Configuring and administering Active Directory, Exchange Server 2007/2010, SQL server 2008 R2, IIS 6.0/7.0.
• Solid hands-on experience in Powershell, perl and bash scripting.
• Extensive working on windows active directory and windows servers and sharepoint.
• Experience in Windows 2008 cluster design, implementation and administration and patch management.
• Migrations from P2V, P2P, V2V using Double-take, V-converter and Plate spin.
• Extensive experience with Active Directory, GPO's, DHCP, DNS, IP, Sub Nets, VPNs, vLAN, Network routing, firewalls, LAN/WAN switching and Backup & Recovery, File & Print Server, IIS, FTP, Terminal Server.
• Created Backup policies and scheduling backup Jobs using Symantec Net Backup and Net Backup Exec, VERITAS Backup, NT Backup
• Expert in Configuring and administering Active Directory, Exchange Server 2007/2010, SQL server 2008 R2, IIS 6.0/7.0.
• Extensive experience in installation, configuration, maintenance, design, Administration, implementation and support on Linux, and HP-UX Environment.
• Application Deployments & Environment configuration using Ansible, Chef in various projects.

PROFESSIONAL EXPERIENCE

Confidential, San Jose, CA

Linux Systems Admin

Responsibilities:

• Involved in building and configuring Red Hat Linux Servers using Kickstart as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Created and maintained 1200+ Linux Servers and 500+ AIX servers.
• Developed Puppet modules to automate deployment, configuration, and lifecycle management of key clusters.
• Developed automation scripting in Python (core) with the use of Puppet for deploying and managing Java applications on Linux servers.
• Configured servers and infrastructure running Redhat and JBOSS, using PUPPET to configure, install, manage and bring up JBOSS and applications.
• Configured, tested and troubleshoot newly built linux servers with NIC card configurations, TCP/IP and applications that ran off TCP/IP stack.
• Creating, cloning Linux Virtual Machines, templates using VMware Virtual Client 4/5 and migrating servers between ESX hosts.
• Configured the suitable Load Balance methods, Profiles, Persistence, Monitors on the virtual servers.
• Set up Jenkins server and build jobs to provide continuous automated builds based on pulling the Git source control system during the day and periodic scheduled builds overnight to support development needs using Jenkins, Git, JUnit, Selenium and Maven.
• Deployed Java applications/Web-services using CI/CD tools like Jenkins, Puppet in standalone and clustered environments.
• Knowledge about Splunk architecture and various components (indexer, forwarder, search head, deployment server), Universal and Heavy forwarder.
• Creating Reports, Pivots, alerts, advance Splunk search and Visualization in Splunk enterprise.
• Hands on experience on DNS, NFS, NTP, SMTP,FTP, SSH and SCP.
• Performance monitoring and tuning of Linux servers and resolving permissions issues, user and group quota.
• Using Wire Shark Capture and analyze TCP, UDP, IP Packets.
• Extensive use of Rsync utility for customized data migration from UNIX to Linux systems.
• Day to day troubleshooting and support for the end users newly migrated to Linux.
• Provided tested documented solutions for the second level infrastructure support teams for cutover activities from UNIX to LINUX which involves various scenarios like Hostname Swap, Hostname and IP swap.
• Experience in migrating UNIX servers with High availability solutions such as HACMP and HP service Guard to the Linux servers with High availability solution from Red hat (RHCS).
• Evaluated varied system logs and enforced good practices for web and application server environments.
• File system Tuning and growing using VERITAS File System (VxFS), coordinated with SAN Team for storage allocation and Disk Dynamic Multi path.
• Experienced in Troubleshooting critical hardware and software issues and day-to-day user trouble tickets.
• Developed automated processes that run daily to check disk usage and perform cleanup of file systems on UNIX environments using shell scripting and CRON.
• Support implementation, configuration and operations and maintenance of VMware components to include but not limited to: vSphere and SRM
• Laptop and remote desktop solutions troubleshooting
• Analyze and execute VMware performance tuning strategies
• Support daily monitoring and optimization of VM servers and hosts
• Scripting and vSphere Power CLI, HPE C7000 chassis and Blade management
• Hands-on experience in Deployment, requirement gathering, Installation, administration.
• Follow IT operations processes - e.g., change management, patch management, incident and problem management, capacity management
• Installed and configured vCenter server 5.5, created virtual Datacenters, multiple clusters and added ESXi hosts.
• Built Reference Image, importing drivers and configuring Task Sequences in SCCM
• Maintain and monitor all daily Datacenter Operations including hardware, software, configuration, updates and patches to minimize or eliminate potential downtime.
• Prescribe system backup / disaster recovery procedures and directs recovery operations in the event of destruction of all or part of the operating system or other system components
• Interact effectively with all levels of personnel, management and customers as a Windows System Operations representative
• Installing, configuring, tuning, maintaining and monitoring Windows 2008/2012/2016 Enterprise server

Confidential, Austin TX

Linux Systems Admin

Responsibilities:

• Installation, Configuration and maintenance of RedHatLinux 6/7, Solaris 10/11, and IBM AIX operating systems.
• Worked on configurations and installations Solaris and Linux servers using Custom Jumpstart, and Kick start.
• Datacenter migration activities - built new servers, worked on data-migration and cutover activities with project teams
• Remove OS and data from disk drives using DOJ method with disk wipe Utilities.
• Building servers with OS Disk and with install Utilities. Re-IP servers that were already been built with new IP addresses on SUSE Linux, Red Hat, HP-UX.
• Experienced in AWS, setting up of EC2 instance with LAMP
• Configured System imager for Linux Servers and used it for Cloning, software distribution and OS updates and performed installations using pxeboot, on hundreds of Linux Servers
• Good working experience with RedHat Satellite Server for upgrading and patching Linux Servers. Built Linux kernel and file system images with being able to control an I2C device using Linux.
• Linux/Solaris/HP-UX implementation and Administration (OS hardening/Security Audit and monitoring).
• Installed, Configured and maintenance of DNS servers, DHCP Servers, Mail Servers, FTP servers, NIS, Samba and web servers.
• Created LDOMs and Zones for Solaris servers
• Implementing RAID 0, 1, 5and 0+1 levels using Veritas Volume Manager.
• Installed and configured VERITAS Volume Manager (VxVM), Disk and file system management through Veritas Volume Manager, Solaris Volume Manager and Solstice Disk Suite on Solaris and using Logical Volume Manager (LVM) for other flavors of UNIX.
• Build physical/VM server environment. Apply OS patches through WSUS.
• Upgrade 2008 servers to 2012 R2 and configure per server needs.
• Email migration from Exchange 2010 to Office 365 for over 500 end users.
• Configure and setup network switches/routers for our regional offices.
• Help create the ITIL infrastructure with new company processes and procedures.
• Create user accounts and manage Active Directory Infrastructure.
• Create PowerShell Scripts/GPO's to enforce security requirements and standards.
• Work Break/fix or Change tickets using Remedy ticketing system in Service desk.
• Perform routine maintenance at client sites. Install/Configure and image using Altirus on laptops/desktops.
• Global Support for Remote Desktop technology platforms
• Ensured Data Center uptime time 24X365.
• Unlock user accounts in AD. Rack and wire servers and repair/configure Printers.
• Implemented VMVARE workstation & ESX, Converted Physical Server, images to ESX Virtual Machines from Workstation.
• Was Responsible for Active directory, GPO, Domain users, Administrating users and groups and given appropriate permissions and privilege to access our LAN and Domain environment.
• Responsible for troubleshooting network, database, applications, and web performance issues. Documented and maintained automation scripts for administration of servers.

Confidential

Systems Admin

Responsibilities:

• Administered, maintained Red Hat 3.0, 4.0, 5.0, 6.0 AS, ES, Troubleshooting Hardware, Operating System Application & Network problems and performance issues; Deployed latest patches for, Linux and Application servers, Performed Red Hat Linux Kernel Tuning.
• Experience in implementing and configuring network services such as HTTP, DHCP, and TFTP.
• Install and configure DHCP, DNS, web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on Linux servers.
• Administered Linux servers for several functions including managing Apache/Tomcat server, mail server, and MySQL databases in both development and production.
• Powershell, Bash, shell-scripts to automate routine activities.
• Migrated database applications from Windows 2000 Server to Linux server.
• Installing and setting up Oracle9i on Linux for the development team.
• Linux kernel, memory upgrades and swaps area. Red hat Linux Kickstart Installation.
• Created users, manage user permissions, maintain User & File System quota on Redhat Linux.
• Diagnosed hardware and software problems and provided solution to them.
• Service desk management - Monitored trouble ticket queue to attend user and system calls.
• Attended team meetings, change control meetings to update installation progress, and for upcoming changes in environment.
• Updated data in inventory management package for Software and Hardware products.
• Capacity Planning, Infrastructure design and ordering systems.
• Worked with DBAs on installation of RDBMS database, restoration and log generation.