OBJECTIVE

• To work in an organization where me can deliver my 8+ years of experience in Unix Systems (Redhat Linux 4/5/6/7, Solaris 9 & 10, HP - UX 11i & AIX) & Storage systems (Netapp, EMC Data Domain and VNX) to meet the organization’s goals and objectives wif virtue and zest.

SUMMARY

• Experience on REDHAT Linux, Centos, SUSE, VMware and Lamp Stack
• Ability to multi-task, prioritize daily duties and meet strict deadlines
• Experience in Security Hardening of Linux, AIX Servers
• Experience in installing, configuring, supporting and troubleshooting Unix/Linux Networking services and protocols like LDAP, DNS, NFS, DHCP, FTP, SSH, SAMBA and SSL
• Has been the “go-to” person in emergency situations
• Provided support for LAMP (Linux, Apache, MySQL, PHP)
• Supporting Application Deployments on Weblogic, Jboss, Tomcat, Web Sphere
• Configuring Monitoring rules for the server environment using NAGIOS, Tivoli
• User administration, managing Users, Groups and permissions
• Well versed in configuring Volume Groups and Logical Volumes, extended logical volumes for the system growth needs using Logical Volume Manager (LVM)
• Expertise in Configuring and troubleshooting various Networking, Hardware & Linux/ UNIX server’s services issues and performing preventive maintenance.
• Experience in Server build using kick start, PXE
• Experience in installation and configuration of Apache Web Server
• Proficient in shell scripting (Ksh/Csh/bash/Sed/Awk)
• Experience in version control tools Sub version/ SVN/GIT
• Experience in configuring VMware Virtual switches, port groups and configuring redundancy through NIC Teaming
• Managing VMware Resource pool Allocation.
• Experience in patch management, Kernel Upgrade and tuning kernel parameters
• Creating and managing Virtual Machines and Templates
• Worked wif clones and snapshots of Virtual Machines.
• Acquired proficiency in DB administration (Oracle and MYSQL) by maintaining, pruning, and performing DB tasks.
• Independent problem solver and a good team player wif strong interpersonal and communication skills.
• Configuration of zoning in FC Switches (Brocade and CISCO)
• Performance monitoring of filers and configuration of Multipathing in UNIX environments for MPIO, Powerpath.
• Third party software installations, SP and TL upgrade on AIX servers
• Experience in implementing and monitoring High Availability environment using Veritas Cluster Server, Sun Cluster, Redhat Cluster, HP Service Guard and HACMP.
• Expert in Backup Technologies (Avamar, HP Data Protector, IBM Tivoli Storage Manager)
• Developed various scripts for application log files compression, archival, cleanup operations and automating using Cron
• Ability to self-start wif minimal or no guidance
• Involved in Data Centre setup, migration and DR activities
• Proficient on administrative tasks using Puppet, Chef and Ansible

TECHNICAL SKILLS

Operating Systems: RedHat Linux (RHEL 3/4/5/6/7.x), IBM AIX (6.1/5.3), HP-UX (11.00, 11.11, 11.23, 11.31), Windows NT /2003/vista, Solaris 8/9/10.

Storage: Symmetrix DMX 800/1000 / DMX-2 / DMX-3 &EMC CLARiiON FC and CX Series, FC JBOD, Brocade FC Switches, SAN /NAS NetApp Filers, Qlogic and Emulex FC HBAs, Brocade silk worm 3200, 3800,48k, iSCSI/ FC Storage arrays, RAID Storage arrays, DLT and LTO Tape Libraries, Hitachi enterprise systems

Backup: IBM TSM, HP-Data Protector, CA Arcserve

Databases: MYSQL, Oracle 9i/10g

Languages: Perl, Shell Scripting

Networking: TCP/IP, DNS, NFS, NIS, SSH,DHCP,LAN,APACHE,FTP

Methodologies: ITIL

Virtualization: Vcenter Server 2.0/2.5.4.0 ,ESX3.X/4.X/5.X, vSphere4.X/5.X

Monitoring Tools: Nagios, Tivoli

Web servers: Jboss, Apache Tomcat

Cluster: VMware, Redhat, HACMP 5.4./5.3/5.2/5.1 , Redhat Cluster Suite, Sun Cluster 3.0, 3.1, Service Guard 11.16/17/18

Server Hardware: IBM p-Series P690, P570, RS6000, Sun Fire 3800/4800/6800 , HP Proliant DL 585/360/385/585 G2, rx8640, rp7420, rp8420, N-Class, L-Class, D-Class, K-Class, T-Series M-Series, IBM/HP/DELL Blade Server r710, HP 380, HP C7000, HP C3000 enclosure.

PROFESSIONAL EXPERIENCE

Confidential, Schaumburg, IL

Linux Administrator

Responsibilities:

• Installation, up gradation, Configuration, Maintenance and Troubleshooting of the Operating systems and services
• Performing Data center operations wif vendors such as new server rack mounts, cable management related to Unix servers and SAN storage related stuff involving SAN Switch configurations
• Configure/maintain LVM’s in the servers
• Worked on Installation the Linux package, configuration changes and other Admin task using Puppet tool
• Experience working wif servers connected to on SAN & NAS environments under EMC and NetApp
• Providing full support for the Linux and Apache
• Configuring additional resources for VM’s and performing VM tools upgrade
• Provisioning and Decommissioning VM’s based on the business requirements
• Worked on installation of ESX Servers, vSphere Client and Vcenter Server
• Participating in Technical calls and Troubleshooting issues on outage for Service restoration
• Installed and Configured the Yum repository across the multiple datacenters
• Maintain Apache web server, FTP server and DNS servers
• Experience on Apache configuration and troubleshooting
• Played a key role in configuring the Monitoring for Linux & Windows servers, Network Firewalls, Switches using Nagios

Environment: Solaris 10,Redhat Enterprise Linux 5.x, 6.x, Oracle 10G, TCP/IP, DNS, DHCP, NFS, SAMBA, Apache Tomcat, Puppet enterprise 3.0, MySQL, Cloud computing, Open Stack Cloud on KVM, Linux LVM, Red Hat Clustering, LDAP based authentication, Single Sign-on and IBM IHS.

Confidential, Los Angeles, CA

Linux/Unix Administrator

Responsibilities:

• Delivering 2nd level technical support to current and new business applications
• Good working experience in troubleshooting the performance issues HIGH CPU, memory & IO utilization
• Managing and monitoring the Application Servers and Database servers
• Installation and up-gradation of the operating system (RHEL, SUSE) and other applications
• Configured the PXE boot Server and Remote installation of the operating system
• Having experience in NFS configuration, mounting NFS client and troubleshooting
• Automating the process using Shell scripts
• Good experience in scanning assigned LUNs, create a new file system & extend the existing FS in SVM, ZFS & VxVM
• Configured the basic Nagios monitoring to monitor 2500 Hosts
• Having good experience analysis the hardware issue & make hardware call to replace the faulty part(s)
• Provide end-to-end support for Backup servers (Data Protector and TSM)
• Good technical competence in Solaris Volume Manger and VERITAS Volume Manager
• Installation, configuration and administration on VERITAS Cluster Server, Redhat Cluster Server.
• Having good experience in VCS, troubleshooting service groups & resource groups
• Having good experience in LDOMs. Adding virtual disks & extend the file system
• Power Path software installation, configuration and administration on UNIX Servers
• Creation of Storage Group & Assigning Lun’s to Host. And expansion of LUN Size and migration of Lun’s
• Creation of zones, modifying zones and Log into all the devices in SAN like Switches and Storage Arrays and perform periodic health checks
• Perform storage provisioning as per the instructions in SOP document
• Good exposure on Create RAID Groups, bind LUNs, and Create Storage Groups using Navisphere Manager

Environment: Informix and DB2 Database,SUSE Linux, RHEL 3,4,5,6, HP/DELL Blade Servers, HP PROLIANT DL servers, DELL PowerEdge servers, Shell Scripting, Powershell, Cforce, chef, Apache, Web Logic, Websphere, Tomcat, Xen& VMware Virtualization.

Confidential, Deerfield, IL

Linux/Unix Administrator

Responsibilities:

• Managing file systems wif LVM (creating new file system, online resize, removing file systems)
• File System Management and resolving the threshold or disk space alerts monitored via Nagios server
• Used RPMs to install, update, verify, query and erase packages from Linux Servers
• Weekly & periodically changes implementation and quarterly power down maintenance (Patching, Upgrading, Reboot development servers on request of client)
• Kernel Parameter changes and up gradation
• Automate any given manual task using Perl and Shell Scripting
• Leading a team of 6 members, providing 24/7 support to clients on Linux production servers. Training new staffs, and fix problems escalated by L2 support
• Working experience on HP-UX blade servers wif hardware HP Proliant DL360, DL380 series
• Taking backups using UNIX tools. Developing and implementing well defined processes manuals and escalation metrics
• Configured and maintained Samba Server, NFS Server, NIS Server and clients, DNS and Autofs File systems
• Troubleshooting system, network and user issues
• User Administration, Managing Users, Groups and permissions
• Configuring and Administering IPtables Firewalls like APF and CSF
• Experience in configuring LAMP and CPANEL on RHEL Server
• Manage multi-sites uptime and downtime coordination wif internal customers, server owners, external support vendors, business partners and system owners

Environment: RHEL 5.x,6.x, Red-Hat Linux Enterprise servers (HP Proliant DL 585, BL 465/485,ML Series), Solaris 8,9,10, AIX 5.3, 6.1, SAN(Netapp), BladeLogic, Veritas Cluster Server 5.0, Windows 2003 server, Shell programming, Jboss 4.2, JDK 1.5,1.6,, VMware Virtual Client 3.5, VMware Insfrastructure 3.5.

Confidential, Austin, Texas

Linux/Unix Administrator

Responsibilities:

• Managing User account’s (Creating new users, setting up user environment, changing passwords, locking and deleting accounts.
• Creating, increasing and reducing volumes by using VERITAS as per the requests
• Patch and package Management, server health Monitoring and Alerting
• Installing & Configuring VMware ESX Host & Guest Servers
• Centralized server and virtual machine management
• Taking Snapshots and reverting to the required state using them
• Migration of live virtual machines using VMotion technology
• Converting the physical machines to virtual based on the recommendations
• Mounting and extending FC and ISCSI storage Lun’s to ESX & Hyper-V hosts
• Expertise in co-ordination b/w teams working in different groups (Network team, System admin team, Database team)
• Coordinating wif various Hardware Vendors for hardware issues and disk replacements
• Data center coordination and consolidation of servers and also acted as technical liaison for all applications.
• Implementing backup polices and monitoring backup jobs
• Managing swap configuration
• Strong hands-on experience in managing and administering FTP, NFS, NIS Servers
• Developed and modified shell scripts for automation process

Environment: Solaris 8 / 9 / 10, HP-UX, Red-hat, Sun Enterprise Server, HP 9000 K, L, N Class Server, IBM RS/6000, P Series Server, UDB DB2 V8.x/9.x,Net Backup 6.x, VERITAS Volume Manager 5.x, VERITAS Cluster Server 4.0, Shell Scripting (Korne& Bourne), SENDMAIL protocol, LVM, Apache 2.x, 3.x, IPLANET 4.x, 5.x, WEBLOGIC Server 5.1 & 6.0, DLT 7000 tape drive, HP-UX 11/11i, AIX 5.3L, Linux RHEL 3.4, Windows 2000 / 2003, Solstice Disk Suite, VERITAS File System, SAN / EMC.

Confidential

Linux/Unix Administrator

Responsibilities:

• Administering Network, Installation, and Maintenance and Trouble Shooting UNIX and Windows environment
• Remote Unix servers administration
• Configure system hardware and install system software, such as drivers and service packs
• User Management and File System Management. Applied patches on Linux systems
• Network monitoring wif MRTG.
• Server performance monitoring and troubleshooting for server related problems
• Responsible to configure and implementing Internet leased lines
• Maintained File systems and monitoring CPU usage, Disk usage and system resource usage
• Implementing firewall security for the servers using IPTABLES
• Network designed, installed and maintenance of variably sub netted local area n/w
• Setting and maintaining the network wif inter connectivity between different operating systems
• Maintained File server (SAMBA) for Linux and windows clients

Environment: Solaris 10/9/8, Redhat Linux Enterprise3/4/5, HP-UX 11.0/11i, AIX 5.1/5.3L, Sun Fire 4800/3800/V880 Sun Enterprise 6500/500/4500/450/ 420 R/250 Servers, VERITAS Clusters, HP 9000 K,L,N class server, IBM RS/6000, pSeries servers.