SUMMARY

• 11 years of IT experience, in which 10 + years of experience in Solaris, Linux system administrator, Good Redhat Enterprise Linux, CentOS and VMware ESX environments, Solaris 9/10/11, SVM, VxVM, VERITAS Cluster, Zones, ZFS. Server Monitoring through Naigos and Network Monitoring through Wire shark tool, Knowledge on AWS and Open stack .
• Having 10+ years of experience in System Administration with various environment of RedHat Linux 5/6/7 and Sun Solaris 9/10/11.
• Extensively involved in the system - related activities. It involves Building the new Servers by using jumpstart technology, Complex project implementation, System administration and System maintenance, Operations and designing activity as per client requirement.
• Solaris OS upgrades Standard Kernel upgrade Solaris 10 by using Solaris Patching procedure
• Quarterly Patching on Red hat Linux machines
• Kernel’s patches on Solaris and Linux installation/up gradation in Non-Cluster & Cluster (VERITAS) environment.
• Build Solaris Sparse zone & Branded zone like Installation, Configuration and Migration & Solaris Containers-Resource Management.
• VERITAS Volume Manager’s Installation, Configuration, Up-gradation & Administration, Troubleshooting.
• Storage Provisioning, Augmentation, Remediation and Data’s Migration and Luns Decommission from Servers
• Monitoring the all the Server through Naigos Tool
• Case logging with supporting vendors Symantec. & Sun Microsystems (Oracle) and Coordinating/Tracing with them to resolve the issues in timeline.
• Competitive, flexible for shifts, Highly Motivated, Enthusiastic Learner, Team Player and Initiator.
• Ability to face new challenges and good problem-solving capabilities.
• Installation Servers using Jumpstart installation method on all range of Sun Servers.
• Configuration of JUMPSTART server for complete hands-free installation.
• Managing process control and scheduling system related jobs using AT & CRON.
• Installing the required software Patch, Package as per the customer request.
• Establishing Disk Management using Solaris Volume manager.
• File System Management using SVM and Free Space issues
• Resetting the RSC & ALOM password.
• Coordinating with Vendor for any hard ware related issues.
• Tuning the kernel parameter as per the customer request.
• Configuration the ALOM/ RSC for sun servers like Sun Fire V210, Sun Fire V240, Sun Fire V250, Sun Fire V440, Sun Fire V890, Sun Fire V490, Sun Fire V880, Sun Fire V480.
• De-commissioning the server as per the client request.
• Implementing RAID levels 0, 1, 0+1, 5 using SVM.
• Good knowledge in installation and configuration of guest Operating Systems like Linux and CentOS for different applications on ESXi environment.
• Experience in Installing, upgrading and configuring RedHat Linux 5.x/6.x/7.x.
• Hands-on experience in diagnosing, troubleshooting various networking, hardware & Linux/ UNIX server's services issues and performing preventive maintenance.
• Linux pathing throughs yum
• Experience in building virtual machines in VMware environment.
• Network Monitoring Through wire shark tool
• Collecting to TCP dump for further analysis on network Trouble shooting
• Experience in Performance Monitoring of CPU, Memory, Disks, Network.
• Deploy and manage servers for production, staging and test environments.
• Good skills in managing Redhat Linux servers, Virtualization (VMware, Red Hat enterprise virtualization preferred), and system security.
• Experience in planning, Installation, Configuration, Maintenance and Administration of Redhat Linux and day to day system admin tasks.
• Proficient in monitoring the network related services using commands like vmstat, netstat, iostat, ifconfig, trace route, nslookup, dig and Nagios, Tivoli and Splunk monitoring tools.
• Experience in supporting 24x7 production computing environments. Experience providing on-call and weekend support.

TECHNICAL SKILLS

Operating Systems: Solaris 8/9/10, Red Hat Enterprise Linux 5.x/6.x/7.x, Centos 5.x/6.x/7.x Window 7, Windows VISTA, XP, Windows 2000/NT 4.0 server, Wins, Dos5.x-6.x, UNIX (BSD/System V).

High Availability: Veritas Cluster, Oracle Solaris Cluster, VVR

Mail: Sendmail, Microsoft Exchange Server, IBM Lotus Notes

Hardware: HP DL380, DL580, BL460c, BL660c, IBM Blade, All Solaris Server

Storage: EMC, Hitachi, SUN Storage, IBM XIV.

Virtualization: VMware, ESXi, VSphere, VCenter Server, Soalris zones and ldoms

Networking: TCP/IP, NIS, NIS +, NFS, DHCP, DNS, SMTP, TELNET, FTP/TFTP

Web/Applications servers: Apache, IIS, Nginx, Web Sphere Application Server

Languages: Shell Scripting, Ansible

PROFESSIONAL EXPERIENCE

Confidential

Team Lead

Responsibilities:

• Responsible for managing more than 20000 thousand LINUX servers which included 12000 physical and 8000 virtual serer through ESX virtualization
• Experience in supporting 24x7 production computing environments. Experience providing on-call and weekend support.
• Worked on virtual and physical Linux hosts and involved in day to day administrative activities such as maintaining user accounts, password management, providing advanced file permissions to specific users etc.
• Responsible for managing more than 1500 Solaris servers Mission critical Application
• Storage’s luns (devices) Provisioning, Augmentation, Remediation and Data’s Migration from IBM storage to EMC Storage and Decommission the IBM/EMC storage’s devices from servers as per the customer requirement.
• Performed Installation, configuration upgradation and Administration of VERITAS Volume Manager & VCS
• Migration of Production Servers from Vmax environment to Hitachi environment.
• Creating new Volumes & extending the VERITAS file system in VERITAS Cluster.
• Installed VCenter server on a physical machine and make that system as a virtual server to connect and maintain several ESXi servers.
• Created Templates for the Linux servers.
• Configured and automated the deployment of Linux and VMware infrastructure through our existing kickstart/ Jumpstart infrastructure.
• Implemented LVMs and Raid level concepts in the production environment and added LUN space to the existing Linux systems.
• Managed shared NFS files system, mounting and unmounting NFS server, NFS client on remote machine, sharing remote file folder, starting and stopping the NFS services.
• Worked on automation of processes using Crontab and shell scripting using Bash and Ansible tool

Environment: Red Hat Linux 5.x/6.x/7.x, HP Unix 5.1, NFS, VMware ESX, Veritas Volume Manager 6.0, Veritas Cluster 6.x

Confidential

Sr. Linux/ Unix Server Support Specialist

Responsibilities:

• My expertise is in Solaris and Linux. Working for Telstra, I am a fast, resourceful troubleshooter with a strong attention to detail, who likes to get the job done.
• Working with 60 Member team Managing the infrastructure for one of the Leading Largest customer in telecommunication industry AU, Managing and Supporting infrastructure under 24X7 Support model.
• Responsible for managing more than 4500 Solaris servers

Environment: Red Hat Linux 5.x/6.x/7.x, HP Unix 5.1, Solaris 8/9/10, NFS, VMware ESX, Veritas Volume Manager 4.0, Veritas Cluster 4.x, Redhat Satellite, Redhat Cluster, WebSphere Application Server.

Confidential

Sr. Linux/ Unix Server Support Specialist

Responsibilities:

• My expertise is in Solaris and Linux, I am a fast, resourceful troubleshooter with a strong attention to detail, who likes to get the job done.
• Working with 6 Member team Managing the infrastructure for one of the Leading Largest customer in telecommunication industry Managing and Supporting Server in infrastructure under 24X7 Support model.
• Responsible for managing more than 1000 Solaris servers