SUMMARY:

• 8+ years’ experience in system administration of Linux (Red hat, Suse), Windows NT/ 2000/2003/2008/2012.
• Experience in application install configure and support Dev Ops Application (Jenkins, Jira, Nexus, Git, Subversion, Puppet, and Code Collaborator).
• Experience in installing, configuring, managing and administering Linux and UNIX platforms like and RHEL 4/5, SUN - Solaris 8/9/10, IBM AIX 5.x, SUSE Linux 10.
• Installation of O/S from CD as well as over the network using Jumpstart/Kickstart type of mechanism.
• Working experience with Volume management using the solutions, Veritas Volume Manager, Sun Volume Manager and Logical Volume Manager.
• Experience supporting Storage technologies with Unix/Linux and Windows systems like EMC and NetApp with Multipathing.
• Extensive experience in kernel Tuning, Performance Analysis, Load Balancing.
• Performing Backups and restores using ufsdump/ufsrestore, TSM and Veritas Net backup.
• Setup of remote connection tools like RSC, RDP, Citrix, VPN.
• Upgrading Solaris and Linux OS, Installing RPM packages, System Patching and Installing Drivers.
• Creation of a Virtual Server environment using RH-Enterprise Virtualization, VMWare ESX 5.1 and Solaris Zones.
• Experience in Creating, Configuring and Managing LDOMS.
• Setup of Enterprise Monitoring Tools like Nagios, BMC Patrol, Tivoli, Site Scope, Zabbix.
• Networking setup and support of TCP/UDP and other application layer protocols like SMTP, DNS, LDAP, NIS, NIS+, NFS, DHCP etc.
• Experience with Virtual environment.
• Batch scheduling, batch, shell and puppet scripting.
• Netbackups for windows.
• Experience with Version Control and Change Management tools like Clear Case, SVN, Clearquest and Remedy.
• Installation and support of 3rd party software systems on UNIX & Linux like Web Servers, Application Servers, Middleware and Databases.
• Have performed DBA activities such as Oracle installation, database creation, maintenance and database backup and recovery on SUN hardware
• Comfortable in working in a Data center environment - swapping of disks, Attaching/Detaching storage, increasing Utilization.
• Experience in writing Scripts in Perl, Bash, Ksh for performing automation of various tasks.
• Managing the Licenses for Enterprise Applications using FLEXlm, providing Floating Licenses.
• Provided production support in an on-call rotation in a 24x7 environment.
• Microsoft Windows NT 4.0/2000/2003/2008 Design, Implementation, Administration and Support.
• Installing, Configuration, Troubleshooting and Managing Active Directory, OU, Group Policy in Windows Server 2003 and 2008 server architecture.
• Good experience in LAN/WAN networking architecture and TCP/IP protocol stacks.
• DNS/DFS/DHCP/WINS Standardizations and Implementations.
• Increasing resources like HDD, Memory and CPU.
• Worked on HP Proliant Servers and Dell Power Edge rack mount servers.
• Excellent leadership qualities, good communication skills and interpersonal skills, extremely self-motivated, quick learner, team player.

TECHNICAL SKILLS:

Programming Languages: JACL, Shell, PERL and ANT

Operating Systems: Sun Solaris, HP-UX, IBM-AIX 5.0/5.x Redhat Linux,WindowsXP/2000/NT.

Web/Application Servers: WebSphere 5.x/6.x, Weblogic 8, Tomcat, Apache, SunOne.

Databases: Oracle 8.x/9.0, MS SQL Server 2005.

Monitoring Tools: Zabbix, Patrol, Nagios, Tivoli Performance Viewer, SiteScope, and Mercury Activewatch.

Ticketing Tools: Kayako, CA Service desk, Jira, HP Service manger

Application Support: WANdisco, Nexus, CodeCollaborator, Jenkins, Jira

Others: XML, UML, Veritas NetBackup 4.5, Veritas

Volume and File system: Manager, Clear Case, Subversion, Git, Puppet .

PROFESSIONAL EXPERIENCE:

Confidential, OH

System Analyst

Responsibilities:

• Support different application infrastructure.
• Install, configure and upgrade Jenkins, WANdisco (multisite-plus, multisite), Jira, Code Collaborator and Nexus on Redhat Linux Machine.
• Install and upgrade different software on Windows server (2003, 2008 and 2012) for Jenkins slave.
• Install, configure and upgrade different software on Linux machine.
• Support user request and day to day activities on above application.
• Resolved different Jenkins master, slave and build related issue.
• Install and configure apache, samba on Linux machine.
• Automated different day to day activities where applicable.
• Automation few things using puppet.
• Rollout team puppet roles on all the servers supported by the team in all environment (Lab, Dev, Qual, Cert and Production).
• Creation, migration of repository, specific folders from one repository to another in Subversion.
• Setup project for Nexus and troubleshoot different issue.
• Configure windows and Linux server to monitor in zabbix server.
• Setup monitoring of application in Sitescope.
• Create change task and communicated with the business partners.
• Successfully migrated WANdisco application Multisite to Multisite-plus.
• Co-ordinate with different team (Web Services, Storage and Server) to resolve different issue.
• Create and update the SOP, SharePoint document for different application.
• Routine on call for all the application supported by the team. Resolve the issue following the SOP document and recovery steps for each application.
• Document the process for future reference.
• Create support ticket with vendor on different application related issue.

Environment: Red Hat Linux 6/5, Apache, Tomcat, Oracle, Windows environments (2003, 2008 & 2012), Jenkins, Subversion, Puppet, Zabbix, Sitescope, Apache, Tomcat

Confidential, Fort Worth, TX

Sr. System Administrator

Responsibilities:

• Gathered detailed requirements (functional and business) and use cases
• Involved in upliftment of RHEL 5.2 to RHEL 5.4 and Solaris 8,9 to Solaris 10.
• Created Virtual Guests on the host systems using the Red Hat Virtualization Manager and Hypervisor.
• Created and managed the virtual images from NFS/iSCSI storage pools
• Installed and configured Directory Server, Directory proxy on Solaris 10 and Identity Synchronization for Windows
• Migrated Directory Server 5.2 to DSEE 6.3
• Setup and tuning of Red-Hat Kernel parameters for better performance.
• Responsible for applying servers patches using Patch Center.
• Daily support which includes installation, configuration and troubleshooting of Red-Hat server environment.
• Install Vendor binaries and proprietary software, utilities, compilers, databases & licensing.
• Installation of Websphere 6.1 on Solaris 10 and its configuration with oracle database
• Wrote scripts to monitor and manage SystemOut.log, SystemErr.log and native java error logs in Websphere.
• Executed SQL commands/scripts/stored procedures against the Database.
• Compiled and packaged Apache 1.3.x with Certificate Authority using openssl and mod ssl & good in debugging apache related issues.
• Configuring, tuning and maintaining Tomcat Application server.
• Installation and administration DNS, FTP, NIS & DHCP servers.
• Supported Oracle 11g databases and knowledge of Oracle Automatic Storage Management (ASM).
• Worked on Windows Virtual Environment.
• Netbackups on windows and batch Jobs, Tidal agent management.
• Batch Scheduling in Windows and worked on IBM blade servers.
• Routine server OS installs, old server OS upgrades using Linux Kick start.
• Handled and troubleshoot issues regarding Samba Servers.
• Administration of qmail and Sendmail server.
• Responsible for Storage management, NIS and NFS management.
• Managed Information security Compliance activities, Linux server security administration & Monitoring system Performance.
• Provides enterprise risk assessment mechanisms and reporting.
• Responsible for Production Servers Deployments.
• Maintaining incremental, weekly and monthly backups.

Environment: Red Hat Linux 6/5, IBM AIX 5L/6, Web Sphere 6.x, Web logic 8, Web Sphere Portal 5.x, Apache, IIS, Tomcat, Oracle 9i,SQL Server 2000, Windows environments

Confidential, Miami, FL

Middleware Administrator

Responsibilities:

• 24x7 Support of Red-Hat Linux, Solaris, IBM-AIX and systems administration, operational support and problem resolution for server systems.
• Connecting the fiber cards, installing the drivers and OBP firmware upgrade for the sun servers & OS patching with the recommended patch cluster.
• Installing, Configuring and managing Symantec Storage Foundation suite 4.x/5.x (VxVM, VCS, VxFS).
• Installation, configuration and troubleshooting of JBoss Server version 6.1SP4 with Java 5 and Java6.
• Assisting Clearcase development community with code deliveries, baselines and implementing triggers.
• Installation of Clearquest clients and setup of the CQ DB.
• Securing web applications using web.xml, Configuration and Deployment of Applications to JBoss.
• Executed SQL commands/scripts/stored procedures against the Database.
• Troubleshooting and maintenance of Sun Servers T2000, V490, V480, 280R, V240, V210 and V120.
• OS patching with the latest released patch on a quarterly basis.
• Manage multiple projects in the Install/Build/Develop/Support stages of Solaris systems.
• Worked in ZFS and QFS and fixed the problems occurred, set the quota and reservations for such file systems.
• Expertise in VMware virtual infrastructure
• Present project status, issues & their resolution, and other key information to team management.
• Monitoring of all the infrastructure elements using Tivoli.
• Setup of the console and management of Tivoli Agent alerts.
• Wrote Shell Scripts for scheduling the Backups and for the Automation of several maintenance tasks.
• Provided support for multi-path Fiber Channel storage systems, as well as Solaris servers configured with multiple Fiber Channel (FC) Host Bus Adapters (HBA) on a Storage Area Network (SAN).
• Working on a Staging Server for pushing the data into test, Demo, Stress, Inttest and production environments as requested by the DBAs or the developers.
• Installing, Booting, Halting & Uninstalling Zones and adding Non-Global Zone Access to Specific File Systems in the Global Zone.

Environment: Solaris 9/10, AIX, RHEL 4/5, Clearcase, Clearquest, JBoss, Nagios, VVM 5.0

Confidential, MS

Systems Administrator

Responsibilities:

• Installed configured and maintained Unix and Windows servers on Data Center Environment
• Involved trouble shooting activities of System/Application Administration activities
• Involved in backup and recovery of Web Sphere configurations using Backupconfig and RestoreConfig tool.
• Analyzed Error and Event log files and diagnosed Application Server problems.
• Involved in scheduling periodic processes, setting up incremental backups and restoring from dumps.
• User management such as creating users, groups, home directories and environment, Scheduling and running the batch process and scripts, monitoring disk space, usage and capacity planning.
• Monitoring volumes logs and tuning.
• System applications including Solaris Jump Start, RAID Manager, Veritas Volume Manager, Veritas File system, Net backup.
• Maintenance of website.
• Performance Optimization and Performance tuning of the Servers and the network with the help of the tools available with Solaris.
• Troubleshooting of various hardware and software problems of the end-users.
• Installation and testing of all upgrades, patches, and maintenance updates at the Operating System level.

Environment: WAS 4.x, IBM HTTP Server, iPlanet WebServer, Java, JSP, EJB, Visual Age, WSAD, UDB,Oracle, UNIX (Solaris, AIX, Linux), Win2000.

Confidential, Stamford, CT

System and Network Analyst

Responsibilities:

• Migrated datacenters and converted physical servers to virtual servers and HP Blade servers using VMware vConverter resulting in a reduction of racks and power usage, decrease downtime during maintenance and upgrades and improved monitoring.
• Migrated Legacy Windows 2000 Servers with Legacy applications with expired vendor support from failing physical servers
• Active Directory Service, in Windows 2000 and 2003 Servers was installed.
• CISCO security tools.
• Switching with VLAN, STP
• Implemented multi-area OSPF environment using the following sub technologies: authentication, Stub/NSSA areas, Virtual-links, Priority manipulation.
• Working knowledge on Firewall. Network Management using Syslog, SNMP (Simple Network Management Protocol).
• Some working experience on CISCO Security, Networking and Sub netting.
• Active Directory Service, in Windows 2000 and 2003 Servers was installed and Active Directory database (backup, restore) and Replication.
• Configuring DHCP Server, DNS Server, Exchange Server. Adding new users, deleting users and providing permissions.
• Maintaining system availability and security policies for the users through daily monitoring.
• Maintaining Proxy Server (Win Proxy) and Troubleshooting Network issues.
• IP Address allocation and administration. Testing - end-to-end connectivity.
• Assembled, configured, installed, tested and repaired computer hardware and software.
• Provided technical support for the users and resolving software/hardware issues. Administration and monitoring of Local Area Network (LAN).
• Resolved Microsoft desktop applications (Word, Excel, Power Point and Outlook) issues

Confidential

Desktop Support Engineer

Responsibilities:

• Providing value added customer services by attending to customer queries and issues
• Attending Escalation Calls Logged by Client: HDFC Data Centre.
• AIX 5.1 and Linux Activities
• Installation of IBM P series new hardware's and configure based on the requirement.
• Securing UNIX boxes from the Vulnerability point of view.
• Monitoring the System Performance and tuning the kernel to enhance system performance.
• Implementation of systems & scheduling automated and manual backups/restored to take production data and archive log files backup.
• Installation and configuration of AIX 5.1 and Red Hat Linux.
• Managing (adding/removing) disks partitions.
• Performing system administration activities including installation, system monitoring, configuration, troubleshooting.
• Performing User ID creation, modification, deletion and maintain server security.
• Monitoring system logs and the root's email for important messages such as errors and warnings or hardware fail errors.
• Monitoring of SAN Server.
• Window Activities
• Monitoring of Wintel Server like Daily heath check up report physically or internally
• Effectively resolving any networking related issues, Network Printers, Application related issues
• Troubleshooting of CISCO VPN client related issues.
• Handling Domain related Issues.
• Active Directory user ID creation, modification and deletion.
• Updating Security Patch for window XP through WSUS 3.1.
• Installation of Antivirus and Troubleshooting with virus related issues.
• CISCO router installation and configurations.