SUMMARY

• Over 7+ years of IT industry experience as a System Administrator, Dev Ops and Production Support of Various applications on Red Hat Enterprise Linux, Sun Solaris and Windows environment.
• Experience in installing, configuration, support, upgrading and patching Linux servers using Red hat Satellite
• Server and also worked on registering different client servers and involved in building channels and pushing the Packages to master Red hat Satellite Server
• Experience in installation and management of network related services like DNS, Apache, LDAP, SAMBAHTTPD, VSFTP, PROFTP, SMTP, SQUID, and Active Directory.
• Experience in installation and administration of Intel based Servers wif Windows and 2008 R2.
• Expertise in different versions of Cloud stack, Open stack, VMware and other private clouds.
• Experience in Installation of VMware ESX server and creation of VMs and install different guest OS.
• Responsible for deploying enterprise applications from Admin console and enabling security using LTPA and LDAP for admin console and application components on both UNIX and windows platforms.
• Expertise to handle tasks in Red Hat Linux includes upgrading RPMS using YUM, kernel, HBA driver, configure SAN Disks, Multipathing and LVM file system.
• Well experienced in hands on, Kickstart (PXE) and Jumpstart installation of various fully and mostly POSIX Compliant systems like Solaris 9 &10, Red Hat 4, 5 &6, CentOS 5 &6 and open SUSE 11 & 12.
• Performed P2P and P2V migrations across OpenVZ, VMware and Amazon EC2 environment.
• Hands on experience in Puppet deployment, dashboards configurations and Puppet DB.
• Experience working wif DHCP/LDAP/NIS/NFS services.
• Support enterprise Storage Area Networks (SAN), and Tape Backup/Restore technology in a mission critical environment
• Experience Working wif Atllasian Products likes Jira, Confluence, Stash, and Crowd.
• Proficient in configuring the Data Communication Devices such as Routers, Switches, Hubs, Terminal servers and Troubleshooting LAN and First Level WAN Related Problems. Analysis of all WAN Links.
• Experience in Shell scripting using sh, ksh, bash and PERL.
• Experience wif version control tools like GIT.
• Experience in Performance Monitoring of CPU, Memory, Disks, Network.
• Extensive experience wif Troubleshooting of issues wif applications, network, user hardware, naming services etc.
• Experience in storage technologies like Net Backup, Hitachi, EMC storage, NetApp, SAN.
• Software package deployment, disaster recovery/contingency of business management.
• Expertise in implementation and designing of disaster backup and recovery plan.
• Very good experience wif documenting software usage procedures, network diagrams and project Documentation.
• Worked wif Database administrators to tune kernel for Oracle installations on Red Hat Linux and Solaris Servers.
• Very good understanding in the concepts and implementation of high availability, fault tolerance, fail overReplication, backup, recovery, Service Oriented Architecture (SOA) and various Software Development Life Cycle (SDLC) methods.
• 24/7 support for issues arising in production for mission critical and enterprise level applications.

TECHNICAL SKILLS

Operating System: Solaris 10/9/8/2.x, AIX 4.3/5.1/5.2/5.3 RHEL 3/4/5/6, Windows NT 4.0/2000/2003/ XP

Hardware: Sun Fire 280R/V 480/4800/3800/12 K Server, Sun Enterprise 4500/6500/5000/450/420 R/250 Server, Ultra Enterprise 2/1Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, SPARCstation 10, Sun Sparc Ultra 1, 5,10, HP - 9000, K, L, Nseries, IBM RS/6000 & PSeries, DEC DS20, ES40, IBM blade servers HS12&HS22, x3650, x3550

Web /Application Server: Tomcat, Apache, ATG 5.0/6.3, IBM WAS, JBoss

Cluster server: Veritas Cluster, Sun cluster

Scripting Languages: Born, Bash, KSH & Perl, SED

Programming Languages: C, C++, Java & J2EE, Asp.net

Firewall: Symantec, Cisco Checkpoint

Databases: Oracle, DB2/UDB, AS/400

Storage: EMC Clariion CX4, NetApp Filers 4.0Hitachi 7K1000, Sun A 00/A52100/ D130.

Tools: and Utilities: Solstice Disk Suite, Samba, and RAID 5/0/1, Veritas Foundation Veritas Volume Manager, Veritas File system.

Backup: VERITAS net backup 4.5 / 5.0 / 6.0, Legato Networker 7.x,Avamar, TSM.

Virtualization: VMWare, Vsphere, KVM, Cloud/VPS.

PROFESSIONAL EXPERIENCE

Confidential, Columbus, OH

Linux/Infrastructure Engineer

Responsibilities:

• Install and configure new servers using kickstart.
• Worked on Integration of Foreman wif Puppet.
• Used advanced puppet techniques to puppetize.
• Install VMWARE 5.5 on 200 servers for Pivotal Cloud Foundary project.
• Migrate VMs from Zen Server to VMware using VMware vCenter Converter Standalone 5.0.
• Experience Working wif Atllasian Products likes Jira, Confluence, Stash, and Crowd.
• Supported Linux environment wif around 2500+ servers running Redhat Linux.
• Configured cluster pools, enabled HA and DRS features using vSphere 5.x.
• Worked on Virtualizing RedHat servers using vSphere 4.1/5.0 and managed ESX servers using vCenter and also worked wif ESX Cluster and vMotion.
• Experience managing systems and application using tools like puppet.
• Automated the environment using puppet from scratch level.
• AIX installation and maintenance and all the required upgrading.
• Implemented DNS systems using BIND, Route53 (AWS), and powerDNS.
• Involved in P2V Linux migrations on VMWare ESX 5 Cluster environment and performed physical and Storage
• VMotion and experience using tools like vCenter and vSphere.
• Installation of Perl, Autosys and Teradata Modules.
• Work closely wif DevOps team to support infrastructure and tools that facilitate product development.
• Creating users, groups and roles using Identity and Access Management Tool (IAM).
• Manage and monitor hardware, networks and build automation for infrastructure provisioning.
• Build, manage and monitor Linux clusters/servers and networks to support product development.
• Build monitoring and alerting infrastructure to measure performance, utilization and failures.
• Configuration of VLANS according to the requirement.
• Supported 200+ AWS cloud instances running Ubuntu, Redhat and Windows environments.
• Experience working wif Kickstart, DHCP, DNS, Mail, Yum, CentOS, RHEL, NFS, LDAP, etc.
• Replacing failed hardware from datacenter.
• Configuration of RAID.
• Experience wif virtualized infrastructure wif VMware tools, SAN, NAS, etc.
• Experience configuring monitoring and alerting systems like Zabbix, Nagios, etc.
• Experience working in a fast - paced environment wif a geographically diverse team.
• Good troubleshooting skills wif attention to detail.

Environment: Red Hat Enterprise Server (RHEL 4/5/6), IBM AIX 5.3,6.1, Solaris 8, 9 and 10, Sun Fire 280R/V 480/4800/3800/12 K Server, VMWare, Sun Enterprise 4500/6500/5000/450/420 R/250 Server, Ultra Enterprise 2/1Servers, SPARC, IBM blade servers HS12&HS22,x3650,x3550.

Confidential, Dallas, TX

Sr. Linux Systems Administrator

Responsibilities:

• Performed SUN Solaris Jumpstart and RedHat Linux Kickstart Installation
• Creating and administering users File System and user accounts on SUN Solaris Servers.
• Systems monitoring and administration of SUN Solaris 9/10 and RedHat Linux 5.x Servers for day-to-day problems in production environment and solved tickets on shift basis.
• Installation, Maintenance and Configuration of Computational Servers wif corresponding and associated software on RedHat Linux and Solaris Servers.
• Installed patches, software up gradation, monitored log files, and performed backup for SUN Solaris as well as Linux servers.
• Installed VMware ESX server on Dell Servers and configured Solaris 9/10/ Red Hat Linux 5.x / Windows 2000 virtual machines for various applications.
• Configured Firewalls and security using SSl,ipchains,IPtables,TCP wrappers,tripware and Port scanners
• Installation configuration and Administration of Sendmail on Linux Servers.
• Installation & Configuration of Logical Volume Manager - LVM and Veritas Volume Manager on Sun Solaris and RedHat Linux Hardware.
• Adding/expanding new storage to existing/new systems using VERITAS Volume Manager and Solaris Volume manager.
• Applying new patches and packages of Solaris and RedHat Linux.
• Installation and Configuration of Oracle10i and MySQL on SUN Solaris 9/10 servers.
• Configuring DNS, DHCP, NIS, NFS and other Network Services in SUN Solaris 10.
• Installing and configuring of Sun one Directory.
• Setup of NFS, FTP Servers in SUN Solaris, RedHat Linux and SUSE Linux.
• Setup and configure failover load balancing using IP bonding for network cards.
• Installation and configuration Veritas Net Backup on Sun Severs and performing Backup using VNB.
• Design, configuration, implementation of Web Operations environment wif Apache 1.2.x Web Servers. Installation and configuration of Web logic application server.
• Installation of OracleRAC 10g on Linux servers
• Providing day-to-day user administration like adding or deleting users, password aging.
• Implementation and maintenance of Veritas Cluster Server and Sun Cluster Server.
• Configuring and Installing Solaris Zones, Containers on Solaris 10 and LDoms on T2000 servers.
• Managing and creating services using SMF in SUN Solaris 10.
• Kernel upgrades for Linux and Solaris.
• Configured virtual IPs in Linux and Solaris.
• Expertise in Xen and VMware
• Good experience wif preface version control system.
• Installed me planet web server on Linux and Solaris boxes
• Configured VMware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Implementation and Management of Disk Quota on Linux and Solaris Servers.
• Worked on SAN management software and provided SAN administration.
• Key role in deployment, installation and configuration of Sun Servers in production environment.
• Performed virtualization using Xen
• Monitoring system activities, and Performance on SUN Solaris and Linux Servers using third party tool such as Nagios.
• Planning, installing and configuration of operating system on new Sun Servers.
• Installed oracle 10g on Solaris 10, Allocating necessary space requirements for oracle database, Maintained Oracle database servers for backup operations.

Environment: Sun Solaris 8/9/10, HP-UX, Red hat Linux AS 3.0, AIX 4.3/5.1/5.2/5.3, Sun Fire 6800, 4800,V890, V880, V490,V480 and V210, Veritas Volume Manager, Solaris Volume Manager, Solstice Disk Suite, SunFire 4800/V 0/E420R, Veritas Cluster Server, Jboss, Samba, Oracle 9i/10g, RIAK,Nagios and Manage Node(Ticket Monitoring Tools).

Confidential, North Wales, PA

LINUX Administrator

Responsibilities:

• Installed configured and built servers using Jumpstart and Flar Images (Servers included v240, V440, V880, E6500, E4500, E450). Provided support to mission critical applications spread over 200 servers.
• Installed and configured Solaris 8, 9, 10. Configured Zones and containers for Solaris 10.
• Configured Logical Volume Manager, Solstice Disk Suite, VxVM, VxFS. Configure RAID 0, RAID 0+1, RAID1, RAID 5.
• Provided security to all servers thru OS hardening, Patch management and Package management.
• Provided Level 3 Support for all Solaris & Linux issues. Was the Key point of contact for all critical support related issues.
• Designed, implemented & maintained a two node Veritas Cluster.
• Installed VMware ESX on Dell Servers and configured Solaris 9/10/ Red Hat Linux 5.x / Windows 2000 virtual machines for various applications.
• Prepared server availability report for the management.
• Working wif LDAP schema for Sun One LDAP server 5.x.
• Installed Iplanet web server on Linux and Solaris boxes.
• Planned & Implemented Patch and Packages installations.
• Upgraded Solaris OS (Live upgrade from Solaris 8 to Solaris 9).
• Configured Vmware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Implemented Root Mirroring for systems using VxVm (Veritas Volume Manager) and Solstice Disk Suite.
• Upgraded Veritas Volume Manager from 3.x to 4.x
• Supported databases like Oracle & Web servers like Apache, Tomcat & other proprietary applications.
• Installed Configured and Managed NIS, NFS, DNS and Send Mail. Configured DHCP Red Hat Linux server.
• Built a Linux kickstart server on x86 machine. Wrote shell scripts using C shell to initiate kickstart.

Environment: E6500, E4500, E450, V880, Ultra series, Sunray appliances, DLT tape libraries, Solaris 6/7/8, Solstice Disk Suite, VMWARE,E3500, E4500, E6500, Veritas Cluster, Veritas Volume Manager, Veritas File System, Redhat Linux 4.x, Shell scripting, Oracle, Apache, Tomcat.

Confidential, Portsmouth, NH

UNIX / Linux Systems Administrator

Responsibilities:

• Installed configured and built servers using Jumpstart and Flar Images (Servers included v240, V440, V880, E6500, E4500, E450). Provided support to mission critical applications spread over 200 servers.
• Installed and configured Solaris 8, 9, 10. Configured Zones and containers for Solaris 10.
• Configured Logical Volume Manager, Solstice Disk Suite, VxVM, VxFS. Configure RAID 0, RAID 0+1, RAID1, RAID 5.
• Provided security to all servers thru OS hardening, Patch management and Package management.
• Provided Level 3 Support for all Solaris & Linux issues. Was the Key point of contact for all critical support related issues .
• Designed, implemented & maintained a two node Veritas Cluster.
• Installed VMware ESX on Dell Servers and configured Solaris 9/10/ Red Hat Linux 5.x / Windows 2000 virtual machines for various applications.
• Prepared server availability report for the management.
• Working wif LDAP schema for Sun One LDAP server 5.x.
• Installed Iplanet web server on Linux and Solaris boxes.
• Planned & Implemented Patch and Packages installations.
• Upgraded Solaris OS (Live upgrade from Solaris 8 to Solaris 9).
• Configured Vmware and installed several Linux and Windows Operating Systems according to the client needs. Also involved in maintenance and Troubleshooting of VMware.
• Implemented Root Mirroring for systems using VxVm (Veritas Volume Manager) and Solstice Disk Suite.
• Upgraded Veritas Volume Manager from 3.x to 4.x
• Supported databases like Oracle & Web servers like Apache, Tomcat & other proprietary applications.
• Installed Configured and Managed NIS, NFS, DNS and Send Mail. Configured DHCP Red Hat Linux server.
• Built a Linux kickstart server on x86 machine. Wrote shell scripts using C shell to initiate kickstart.

Environment: E6500, E4500, E450, V880, Ultra series, Sunray appliances, DLT tape libraries, Solaris 6/7/8, Solstice Disk Suite, VMWARE,E3500, E4500, E6500, Veritas Cluster, Veritas Volume Manager, Veritas File System, Redhat Linux 4.x, Shell scripting, Oracle, Apache, Tomcat.

Confidential

UNIX/LINUX ADMINISTRATOR

Responsibilities:

• Installation, Configuration & Upgrade of Linux, Solaris, AIX, HP-UX, Linux operating systems.
• Experience in patching wif live upgrade/standard install cluster and applying firmware.
• Experience wif VMware Virtualization using ESX hypervisor of Vsphere 4.0.
• Configured Solaris Jumpstart Server. Maintained Server 6.0. Backup data of Servers using VERITAS Net Backup. Maintained Security of the Solaris Servers.
• Performance monitoring and Tuning using top, prstat, SAR, vmstat, ps, iostat etc.
• Shell Scripting to automate tasks on Solaris and Linux and automated jobs using Crontab.
• Configuration of VERITAS Cluster Server, Service Guard from the scratch and maintained service group/packages for failover and redundancy purpose.
• Worked on cronolog in Linux servers for managing the logs of the web servers and performed automation using shell and Perl scripts.
• Extensively worked on Administering FileNet P8(Process Task Manager, Application Engine, Content Engine, Process Engine)
• Worked on high performance applications in a clustered environment.
• Involved in Implementing and Administrating enterprise level data backup and recovery.
• Implemented Backup solution for the Network
• Installed and configured file and Application servers running on Sun servers
• Configuring and maintaining network services such as LDAP, DNS, NIS, NFS, Web, Mail, FTP
• Implementation of RAID 0/1/5 for creation of logical volumes using VERITAS Volume Manager in SAN Storage Area Environment
• Troubleshooting and analysis of hardware and software failures for various servers (core dump and log file analysis).
• Worked wif storage team to configure NAS.
• Managed Network troubleshooting applications TCP/IP including Ethernet, IP addressing & Sub netting, routing.
• Provided 24x7 on call and remote support for UNIX Production Problems and responding to users' tickets from Remedy.
• Worked on creating user accounts, user administration, local and global groups on Solaris platform
• Created User Accounts and Network Shares. Configured SUN Workstations as Domain Clients.
• Administrated NFS, NIS, DHCP and DNS Samba services running on AIX, Sun Solaris and Red Hat Linux.
• Worked wif Storage team to configure EMC SAN, NAS and iSCSI configuration.
• Managed Users for AIX, Solaris, HP-UNIX and Linux Servers and assigned rights to access network resources.

Environment: RedHat Linux, Solaris 9/8/10, HP-UX 11.0, VMware ESX 4.x, Sun Enterprise 450/420R/250 Servers, Ultra Enterprise 2/1 Servers, SPARC server 1000, SPARC server 20 Enterprise Servers, SPARC server 1000/20, HP 9000 K,L,N class server..