SUMMARY

• Over 7 years of IT industry experience in System Integrator on Red HatLinux, Sun Solaris, and SUSE Linux&windows. Providing 24*7 supports as per the Business need.
• Expert in Production environment, RCA's and monitoring the incidents and resolving before reaching the SLA. Solving issues with spot fixes with Python and Perl, Shell scripting languages.
• Excellent problem resolution and communication skills with ability to work under pressure in a highly visible role.
• Expertise in Installation, Configuration and administration of Red hatLinux5x,6x and 7x, Solaris 10, 11 on x86 server,IBM AIX 5.x, 6.x, 7.1.
• Creating and maintaining user accounts, profiles, security, rights, disk space and process monitoring.
• Red HatLinux - based Virtualization, implementations, and Xen.
• Expertise in implementation and maintenance of DHCP, NFS, NIS, DNS, Apache, SMTP.
• Configured DNS, NIS and DHCP, troubleshooting network problems such as TCP/IP, providing support for users in solving their problems.
• Worked on Networking and communication devices, Server Utilities, TCP/IP, and FTP.
• Extensive experience in Installation, Configuration and Troubleshooting of various web server issues includingApache Web Server 2.x/1.x, Tomcat 5.x/4.x/3.x.
• Experienced in supporting database systems including Oracle, MySQL, and ASM on Red HatLinux/Unix.
• Extensive experience in Installation, Configuration and Troubleshooting, Migration and Integrating of Nginx.
• Involving Communicate technical issues and solutions to the engineering, QA, and support teams as well as to the customer base and other teams members.
• Installation and configurations SQL, PLSQL, Oracle, Planning, documenting and supporting high availability, data replication, business persistence, fail-over, fail-back using V Block (VCE) servers.
• Configuring and Monitoring using NAGIOS and ZENOSSand Xymon.
• Efficiency in installing, configuring and implementing the RAID technologies using VERITAS Volume manager and Solaris Volume manager.
• Experience on Web Logic and Exalogic, Installation of web logic, upgraded to service pack updates, installed BEA Patches, configuring and creation of new domains, start and stop web logic Server. Used open source tools like Syslog-ng for logging security.
• SUSE clusters experience can be configured with cluster-wide optimizations that further improve server-to-server communication.
• Experience in setting up an Open stack for Amazon Cloud service in IT organizations as to Infrastructure-as-a-Service (IaaS) in Red Hat servers.
• Experience in setting up a RAID and troubleshooting the issues on Solaris and Red HatLinux.

TECHNICAL SKILLS

Operating Systems: LinuxRed Hat 5.x, 6.x 7.x, SUSE 10, 11, 12, Cent OS, IBM AIX 6.1, 5L SunSolaris Windows, VMware ESX/ESXi, HP-UX 11i v2

Hardware: Sun Fire Sun Enterprise Sun Fire, Sun Enterprise T series, M series, Sun Blade, HP-9000K, L, N Servers, Server, IBM RS/ M80, P series IBM HP/Dell Blade Server

Storage Systems: Solaris Volume Manager, Veritas Volume Manager, Logical Volume Manager

Database: Oracle, DB2, and MySQL

Web application: Apache Server, Tomcat … JBoss 4/5/6, Web Sphere Application Server 5.x,6.x, 7.x, 8.x, Web Logic Server, HTML, DHTML, XML

Scripting language: Bash Shell, Korn Shell, and Perl scripting

Monitoring Tools: JIRA, Remedy, Tivoli, BMC patrol, Nagios and HP open view

Protocols: TCP/IP, UDP, RIP, EIGRP, IGRP, SNMP, SMTP, TELNET, HTTP

PROFESSIONAL EXPERIENCE

SYSTEM ADMINISTRATOR

Confidential, Los Angeles, CA

Responsibilities:

• System Admin for BC2 project.
• Responsibilities include migration, installation of the applications and troubleshooting server issues.
• Responsible for defining branching & merging strategy, checkin policies, improving code quality, automated Gated Checkins, defining backup and archival plans.
• WroteAnsiblePlaybooks with PythonSSH as the Wrapper to Manage Configurations of AWS Nodes and Test Playbooks on AWS instances using Python
• Designed, Installed and ImplementedAnsibleconfiguration management system.
• UsedAnsibleto manage Web applications, Environments configuration Files, Users, Mount points and Packages.
• Focused on automation and continuous integration. Automated local development environment usingchef
• Strong knowledge on Linux, Automation Tools (Chefor Puppet), AWS Services (EC2, Network, S3/EBS).
• Used configuration management toolsChef, Puppet, and CF Engine.
• Jumpstart RHEL servers, custom building with the packages and volume management.
• Administrationof RHEL 5.6, 6.2, 6.7 which includes installation, tuning, troubleshooting.
• Installation of application servers such as JBOSS and web servers like Apache Tomcat and support them on the production environment.
• Deploying of applications in the Apache and JBOSS.
• Installing applications from scratch for the BC2 environment.
• Which includes the version upgrades for applications.
• Co-ordination with the applications and database support for the productionissues.
• Performed systemadministration and operations tasks using Nagios and AppDynamics.
• Primarily application support, configure changes, troubleshooting server issues for QA, monitoring issues through systems like JIRA.

Environment: Jenkins, Chef, Puppet, AWS, Python, Ansible, RHEL 5, 6, Jira, Splunk, XML, VMware, Apache-Tomcat, JBOSS, SVN, Nagios.

Sr.Linux Administrator

Confidential - Hanover, PA

Responsibilities:

• Installation, Configuration, and OS upgrades on RHEL 5.X/6.X, SUSE 10.X/11.X.
• Responsible for handling day to day task for all theLinux/Unix environmental related servers.
• Cross administer, implement, support, and troubleshoot complex problems in the following environments: VMWare,Linux, AIX, and Solaris.
• Implementing on-going infrastructure maintenance and improvements, including off-hours activities.
• Responsible for backup and recovery operations of various servers.
• Working on volume management, disk management, and software raid solutions using Logical Volume Manager.
• Experience operating in a multi-platform, multi-operating system, multi-component Environment utilizing a large number of server builds and configurations.
• Perform User Account Management, data backups and user's logon support.
• Expertise in scheduling tools such as Control M and Autosys for setting up jobs for backups and monitoring process
• Responsible for configuring networking concepts like NIS, NFS, SAMBA, LDAP, SSH, SFTP, SNMP, DNS, DHCP, troubleshooting network problems such as TCP/IP, supporting users in solving their problems.
• Monitored System Activities like CPU, Memory, Disk and Swap space usage to avoid any performance issues.
• Worked on YUM configuration to patch the servers to the latest OS/Kernel version.
• Experience in Configuring and Managing Virtual Disks, Disk Mirrors & RAID 0, 1 & 5 Levels.
• Experience in shell scripting for doing CRON jobs that run daily to check disk usage and perform clean-up of file systems on different environments.
• Automated process to Install/configure/maintain of networking tools NFS, NTP, FTP, SFTP and troubleshooting.
• 24x7 support for the servers. Rotating on call pager responsibilities for production environment.

Environment: Red Hat EnterpriseLinux5/6, VMware, Windows, Perl, Python, WAS 5/6/7, Splunk, Logical Volume Manager, WebSphere application server 7.x, Tomcat, IBM/HTTP, NFS, FTP, NTP, SFTP

System Administrator

Confidential - Fargo, ND

Responsibilities:

• Installation, configuration and Operating System upgrade on Sun Solaris 8,9,10 on x86 server and Red HatLinux6.x on sun Servers & HP-Dl585 servers.
• Installation of patches, security fixes, e-fixes, packages on AIX, Sun Solaris, and Red HatLinux
• Writing Shell scripts for system maintenance and file management and python scripts
• Good Experience and Understand Open Stack ecosystem, engage in discussions with the Open Stack and Amazon Cloud service,
• Performed installation, configuration and maintenance of Red HatLinux4.x, 5.x, 6x, 7.1. Performed remote installation using Jumpstart, NIM and Kick-start Installation
• Provided 24x7 System Administration support for AIX 5.3/ 5.2/ 5.1 based servers and Red HatLinux4.x, 5.x,6.x servers
• Installed, configured and maintained VIO server on IBM AIX 5.3 based P-Series 570/ 550 servers.
• Responsible for installation, troubleshooting and maintenance of 1800 Red hat/SUSE servers and 1000 servers running Solaris 10/11 on x86 server and SPARC.
• Wrote bash script for getting information about various Red HatLinuxservers.
• Maintaining CPU, Memory resources on Micro partition VIO Server's and Client's environments.
• Experience in setting up an Open stack for Amazon Cloud service in IT organizations as to Infrastructure-as-a-Service (IaaS) in Red Hat servers
• Hand on experience on Installation, Configuration and Troubleshooting, Migration of Migration Nginx
• Configuring and Administering DNS and LDAP on AIX server environment.
• Experience with Ecommerce web site administration and platforms such as IBM Web Sphere Commerce, and Tomcat.
• Performed daily backups, restoration of data as per requests from developers using Veritas Net Backup.
• Performed Red HatLinuxkernel, memory upgrades and undertook Red hatLinuxKick start installations. Attended the ITIL training and implemented in projects.

Environment: Red HatLinux3.x/4.x/5.x,6x IBM AIX, LPAR, HACM 4.2 X/ 4.34.3.1/ 4.4 , Tivoli Storage Manager, SQL, Apache Server 1.x/2.x, VMware 2.x, NIM, Veritas, Net backup, Boss, Hitachi, EMC.

Linux Administrator

Confidential - Columbus, IN

Responsibilities:

• Administration of RHEL 5/6 that includes installation, testing, tuning, upgrading and loading patches, troubleshooting both physical and virtual server issues.
• Creating, cloningLinuxvirtual Machines, templates using VMware Virtual Client 3.5 and migrating servers between ESX hosts.
• Working in AWS Cloud Environment like EC2 & EBS.Worked with API's like AWS API for Creating and Managing Amazon Cloud Instances using Puppet Code and used puppet for provisioning.
• Installing Red HatLinuxusing Kickstart and applying security policies for hardening the server based on the company policies.
• Experience in Developing KORN, BASH, JAVA, PERL, Python shell scripts to automate cron jobs and system maintenance. Scheduled cron jobs for job automation.
• Installing MySQL onLinuxServer and securing installation.
• RPM and YUM package installations, patch and other server management.
• Creating new file systems, monitoring disk usage, checking and backup of log files administration and monitoring the disk based file system.
• Installing and configuring Apache and supporting them onLinuxproduction servers.
• Kernel compilation and patch upgradation onLinuxservers.
• TroubleshootingLinuxnetwork, security related issues, capturing packets using tools such as iptables, firewall, and TCP wrappers and NMAP.
• Developed automated processes that run daily to check disk usage and perform clean-up of file systems using shell scripting and CRONTABs.
• Monitoring system performance, tune-up kernel parameter, adding/ removing/ administering hosts, users, disks on DNS / NIS domain.
• Worked on making DNS entries to establish connection from server to DB2 database.
• Performed OS upgrades and Patch loading as and when required.Backing up and restoring files across the network.
• Closely worked with development and QA teams.

Environment: RHEL 5/6, Solaris 9/10, IBM blade servers, WebSphere 5.x/6.x, Apache 1.2/1.3/2.x, Oracle 11g/10g/9i, VM ESX 3.x/2.x.

Linux/ AIX Administrator

Confidential - Bethesda, MD

Responsibilities:

• Installation, Configuration and Upgrade of RedHat Linux 5.x, 6.x Operating systems.
• Implemented and administered VMware ESX 3.5, 4.x for running the RedHatLinuxservers on development ant test servers.
• Installed software packages and configured File systems as per specifications of client.
• Troubleshooting application issues on Apache web servers an also database servers running on RedHatLinux.
• Monitored the servers andLinuxscripts regularly and performed troubleshooting steps.
• Expertise inLinuxbackup/restore with tar, gunzip, including disk partitioning and formatting.
• Package management using RPM, YUM and UP2DATE in Red hatLinux.
• Associated with DBAs for installation of Oracle Database onLinuxservers and for tuning, backup and restore.
• Deployed Puppet, Puppet Dashboard for configuration management to existing infrastructure.
• Involved in developing custom scripts using Perl and Shell scripts to automate jobs.
• Scheduling the jobs by creating crontabs /Cronjobs onLinuxservers.
• Responsible for monitoring and working on problem tickets. Following it up with business and technical teams, and ensuring the problem is successfully resolved.
• Worked on firewall implementation & Load balancer between variousLinuxServers.
• Worked on AIX 5.3 and 6.1 running on ten P5s (P550 and P560), two P6s (P6 550), and six P7s (P700, P702 and P750) attached to EMC storage subsystems
• Experience with installing and configuring sudo, proposed and implemented the Experience with Power VM 2.2 (VIO), HMC Version 6 and 7, EMC CLARiiON subsystem device configuration (Power path)
• Experience in installing configuring and administering MQ 5.3/6.0 on AIX,Linuxand Windows environments.
• Experience with Integrated Virtualization Manager (IVM)

Environment: Solaris 9/10/11, RedHatLinux4/5/6, HP-UX 11i, AIX, Sun Enterprise Servers, Sun Fire, Sun T Series, Sun M Series, HP 9000K, L, N class Server, HP & Dell blade servers, IBM RS/6000, p Series servers, VMware ESXi Server, Oracle.

System engineer

Confidential

Responsibilities:

• Installation, Configuration & Upgrade of Solaris, AIX, HP-UX,Linux(Red hat and SuSE) operating system.
• Installation, Configuration & Trouble Shooting of VXVM under sun Solaris 8, HP-UX
• Managed HPC cluster, performed hardware, BIOS and application upgrade.
• Managed System Firewall utilizing IP Chains, IP Tables. Implemented SSH SSL
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.
• Worked on multiple accounts with Ticket assessment on daily basis.
• Administration and maintenance of WAS ND clusters (vertical, horizontal) and deployment of applications in highly available, load balanced production environments.
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Perform auditing on UNIX/LinuxServers for security compliance and monitoring.
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors.
• Setup and configured network TCP/IP on AIX including RPC connectivity for NFS. Configured and administrated LPARs. Installation of patches and other software packages
• Configuration of NIS, NIS+, DNS, NFS, Send mail, Samba, Apache for multiple environments.
• Monitoring System performance and do kernel tuning to enhance the system Performance.
• Setup and maintained DNS Primary, Secondary, Cache-only servers, DHCP servers and DNS clients.

Environment: Red HatLinux3.0, IBM AIX 4.3.3, SUN Solaris 2.6, NT/2000, MS Operating System, DHCP, DNS, User Management, Network Management.

UNIX Administrator

Confidential

Responsibilities:

• Installing, configuring and updating Solaris 8 servers using media, live upgrade and Jumpstart and RedHatLinuxEL 3/4 servers using Kickstart and Windows 2003.
• Creation of Containers, Zones with Solaris and worked on LDOMs on T2000 servers.
• Design and implement HP Openview, Network Node Manager remote management systems.
• Worked on the Apache 2.x for the configuration of Name Based Virtual Hosts and IP Based Virtual Hosts and generating SSL Certificates.
• Worked with the Oracle DBA teams for the configuration of file systems, performance tuning of the OS and the installation of Oracle 9i, 10g on both Solaris and RedHat environments.
• Creating, Mounting and Troubleshooting NFS File systems on different OS platforms.
• Configuration and administration of DNS servers using BIND 8.4.6 onLinuxas the operating system.
• Installed and configured ClearCase 6.x for version control on RHEL 4. Helped with the creation of vobs, branches and trained the users with usage of ClearCase.
• Administration of DNS servers and troubleshooting.
• Configuring Windows 98/NT/2000 clients for Solaris /NT servers using Samba 2.2.12
• Installed & configured Windows 2003 Server and MS Exchange 2003.
• Performance tuning of the servers using tools like vmstat, kstat, mpstat, SAR.
• Troubleshooting and fixing day-to-day problems related to operating system, application, servers, laptops and desktops and responding to tickets in Peregrine Service Center.

Environment: RedHatLinux3, 4.x, Solaris 8, HP Openview, Veritas Volume manager 4.1, Veritas Cluster Server 4.0, VMWare, Apache 2.x, SunFire, Enterprise 450, Sun Blade 100/150, Netra T1, HP, Sun Storage Array D1000, Storagetek L700, HDS 9980v.