SUMMARY:

• Skilled professional in the field of System Administration and Cisco Network and Data Center with 7 years of experience.
• Professional in UNIX, Linux, Microsoft and Cisco Network technologies.
• Self motivated, goal - oriented, good team player, and highly adaptive to changes.
• Endeavor to deliver quality output and unconstrained by quality of work.

TECHNICAL SKILLS:

Unix: Redhat Linux 6.x, 7.x, Suse 7.x/9/10, Fedora 10, 11, CentOS 5.x, 6.x, Solaris 9, 10.

Windows:: NT/XP/ 2000/2003/2007/2010 Servers and Workstations

Hardware: Sun, VERITAS, HP, Cisco, Brocade, Intel

VERITAS: Cluster Server, Volume Manager, Net backup

HP Proliant:: J6000, DL-585G2, DL-380G5

Storage:: Solstice Disk Suite (SDS), Brocade: Storage Area Network (SAN),IBM-N Series.Direct Data Networks, AEON, Intel Lustre

Cisco: Switches 3500,4500,6500,Nexus5k,7k,IOS Routers,Cisco-UCS-C220-M3

Database: Oracle 8i, 9i, SQL Server 7/2000, MySQL, DB2, SYBASE

Programming Languages: C/C++, Shell Scripting, UNIX Scripting, System V Packaging, SSH, Perl.

Web Servers: Apache HTTP Server 1.3.x, 2.x, iPlanet 6.x, IIS 5, 6.

Networking: TCP/IP, NFS, DNS, NIS, Switches, Hubs, and Routers

Disk Management: VERITAS Volume Manager 3.x/4.5, Solaris Volume Manager, LVM.

Application: Weblogic 8.x, 9.x,Webmethod, Sun Java Systems Messaging Server 6.0, Sendmail 8.x, PVCS Tracker 7.0, Test director, Rational Clear Quest, Clearcase 4.2/6.0, CVS, Clear Quest, SAP BW, Oracle Financial Application, HP OpenView, Softex Docking Services, NetCool, Microsoft Visio, Photoshop, Microsoft PowerPoint.

PROFESSIONAL EXPERIENCE:

Operations Engineer/System Administrator

Confidential

• Setup KVM hosts, virtual machines by template using oVirt. Trouble-shoot on the issues.
• Install and configure Veritas Backup Exec, linked it to Qnap, Configure Qnap to dump data to Amazon Glacier. Trouble-shoot Backup Exec issues.
• Install, upgrade, configure and monitor pfSense, Nessus.
• Install, upgade kafka, kafka-manager, openvpn. Ossec, Nagios, sumoLogic. Configure and trouble-shoot on the issues.

Data Center/System Administrator

Confidential

• Rack, mount, cable, configure (Complete System BIOS,RAID BIOS setup),trouble-shoot different Intel Clusters, nodes including replacement of different hardware components and modules.
• Complete cluster setup that includes; Setup System BIOS,RAID BIOS, setup network interfaces, create a LVM volumes, install Storcli RAID management utility, install configure and run chef, Infiniband, create management VMs with virt-install, set VM to autostart, create cobbler filesystem, add cobbler repos to local system, add Toolkit, EPEL repo, run cobbler repo-sync, reboot client and head nodes.
• Commit changes in the chef artifacts, push the changes from GIT to Gerrit repository. Review the codes, merge them and run chef-solo on the management node.
• Configure cobbler, set pxe-boot to enable mode and run cobbler-sync to install OS on the node.
• Create Gerrit project with a script. Setup Gerrit user deletion and account merging.
• Create reservation for the VM nodes, use loadjenkinsbuild to test the OS on the VM nodes, run chef-solo to install the missing.
• Setup Infiniband connectivity and trouble-shoot the issues. Upgrade firmware on the Mellanox devices.
• Extensive use of IPMI tool, SMART to trouble-shoot the hardware issues, fix a client server when disk goes off-line.
• Use JIRA, provide story point, sprint, priority to create, own and resolve the issues.
• Implement internal account and audit process.
• Environment: Intel Lustre, AEON, Direct Data Networks,Mellanox,OPA,JIRA,RHEL-7

Linux Administrator

Confidential

• Install, configure syslog-ng. Filter syslog messages in the configuration file. Trouble-shoot on the syslog format. Configured and managed Splunk.
• Rack, mount, configure, decommission different servers in the data center.
• Establish and configure VLAN, STP, VTP, Inter VLAN Routing on the different 2-layer and 3-layer switch networks and monitor wireshark for network performance. Trouble-shoot the ACL issues.
• Setup, install and configure MySQL Server. Identify and use SQL queries frequently to pull the data from Cisco Database.
• Bash script to assist discovery, collection of data and push data to the Cisco Backend Server, transferring and removing old big files. Extensive use of sed and awk. Experience with Perl and PHP.
• Configure IPtable and trouble-shoot to allow/disallow ports to be accessed by optimization server.
• Modify access list to release firewall on the ports for SNMP RO/RW string to poll the data. Set up SNMP RO String, monitor and run Cisco Discovery on the devices.
• Install and configure Apache/Tomcat Server. Trouble-shoot the issues.
• Install, configure, maintain Weblogic Apps Server 9.x/10.2/11g in Linux CentOS.
• Install and configure Cisco UCS B-Series and C-Series devices.
• Install VMWare ESX 5.5 for the Linux Servers, create, manage and clone virtual machines, build clusters and use to tools like virtual center server and virtual client.
• Setup host and install virtualized guests with RedHat virtualization.
• Install, configure, manage the Windows Server 2000,2003,Active Directory 2012.
• Install, Configuration of Linux operating systems on different hardware environments. Configure RedHat Linux Servers with kick start.
• Implement RAID, Preparing partition on the new disk, implement Logical Volume Manager and NIC Bonding for RHEL 4.x and 5.x.
• Setup and configure DHCP, DNS, BIND, NFS, NIS, NTP, SSH, NET-SNMP, Apache Web Server, SQUID caching proxy, FTP, Samba for CentOs 6.x.
• Configure LDAP Server, LDAP Client, Encrypted LDAP using TLS encryption for CentOS6.x.
• Install and configure Nagios on Linux Servers for monitoring the infrastructure, applications and services.
• Install, upgrade, launch console and trouble-shoot the different HP Proliant Servers.
• Performance Tuning and debugging of the Solaris and Linux Servers using strace, top, iostat, mpstat, netstat, tcpdump, xfsdump etc.
• Configure Puppet Master and Puppet Agents for the Linux Servers. Update configuration files, create accounts, upgrade patches to 400 Linux Servers.
• Setup Chef Server, Work Station and add Version Control to the Linux Servers.
• Set up Version Control on the Linux Server. Applied check out and revert process.
• Deploy and configure RedHat Linux to the AWS-EC2.Created monitor, alert and setup SNS/SQS with the help of Cloudwatch. Created and configured Docker in the Linux Servers.
• Good knowledge of Hadoop/Hadoop eco-systems, Cloud Infrastructure, Hands-on experience with Openstack.
• Configure F5 Load Balancer.
• Use the Linux dm-multipath support to create a highly available connection between Linux Host and the storage system; implement on IBM Storage N Series FCP Linux Host Utilities 4.0.Trouble-shoot the iSCI, SAN issues.
• Frequently use BMC Remedy and CSOne for case creation and trouble-shoot the tool and ticket issues.
• Environment:SunX2100,X2200,Cisco-UCS-C220-M3,solaris10,RHEL(4,5,6),Centos4.x,5.x,6.x,BMC Remedy, CSOne.

Unix/ Linux Administrator

Confidential, Irving, TX

• Implement building and administered Sun and Linux environments.
• Whole and sparse root zones were created on Solaris 10 and administrative task like patching of zones, cloning etc. were performed.
• Apply Server Management Facility (SMF) for managing the services and fault management.
• Implement IPMP on Solaris and IP Bonding on Linux.
• Apply Multipathing technologies like HDLM 5.9, mpxio and Veritas Dynamic Multipathing to manage redundancy of links to the storage.
• Install and configure Tivoli Enterprise Security Manager (ESM), Opsware SAS, NTP, DAM,E ccagent, ssh, Veritas Netbackup 5.x,SUNMC 4.0,Websphere Application Server 7.0,Sun Java System Web Server 7.0.
• Install, setup and configure MySql server in Linux Redhat 4, 5. Backup MySql database on those operating systems.
• Experience with EMC storage architecture and Brocade SAN Technology.
• Install, configure, maintain BEA Weblogic Apps Server 9.x/10.2/11g in various environments OS(Solaris 10.x/RHEL4).
• Configure HP OVO to monitor operating environments.
• Implement Xen 3.4 for the Linux Servers and work on the administration of domains including working on migrations, administrating VBDs etc.
• Install HP-UX 11i v1, 2 in the different Proliant Servers. Setup networking, nfs, automount, ssh, Apache on those servers.
• Perform day to day work (create user, group account, backup, cron scheduling, adding package, patches) on Proliant servers.
• Install NetSNMP and register to Infovista VistaInsight 3.0.
• Install, configure and test Apache 2.2, Tomcat 5.0 on development and intranet servers.
• Install and configure Nagios 3.0 x on Linux Servers for monitoring the infrastructure and applications and services.
• Perform TCP/IP, DNS, NFS, NIS, NIS+, LDAP and DHCP administration for Redhat Servers.
• Performance Tuning of the Solaris and Linux Servers using Dtrace, sar, prstat, top, vmstat, iostat, mpstat, netstat, tcpdump etc.
• Documentation of best procedures followed and updating them onto intranet runbooks.
• Implementing, Managing and Monitoring DHCP for the Windows Server 2000, 2003.
• Installing, configuring, managing and monitoring DNS Server Service for the Windows Server 2000, 2003.
• Network security by using IPSEC, implementing and managing software update services.
• Configure routing by using Routing and Remote Access.
• Mentor junior administrators on the administrative procedures and trouble-shooting techniques on a regular basis.
• Work in the data center to mount, unmount and interconnect servers in the network.
• Deal with the client’s infrastructure issues with right strategies. Help the team in managing the infrastructure from hardware perspective. Work closely with application support and development managers.
• Support production outage and infrastructure outage. Work with other team according to escalation process.
• Environment: Sun E220, E250, E420, E450, E5500, Sun Fire 6800, 6900, 4800, 4900, 3800, v880, v490, v440, v240, T2000, Sun Blade 100/150, x2100, x4200, Windows NT/2000, Solaris 2.6,7,8,9,10, Redhat Linux 8,9, Veritas Volume Manager 4.x and Veritas Netbackup 4.5 and VCS 4.0.