Objective

• Seeking opportunities to utilize proven ability in translate complex, divergent business needs and available technological resources into innovative, high - impact solutions.

SUMMARY

• 8+ Years of experience in the administration of Red Hat Linux, RHEL, Ubuntu, VMware on various Hardware Platforms
• Extensive Experience in Installation and Administration of Ubuntu 10/12/13/14/15/16 , Red Hat Linux, RHEL 3.x/4.x/5.x/6.x/7.x Server family
• Extensive Experience on Oracle Virtual Box and VMware Products like VSphere Server, ESXi 3.x, 4.x, 5.x, VSphere Client
• Experienced in working on DevOps/Agile operations process and tools area (Code review, unit test automation, Build & Release automation, Environment, Service, Incident and Change Management)
• Experience in Puppet Master and Client installation and configuration
• Experience in developing puppet modules (blue prints) for installation, configuration and continuous integration (CI) using combination of puppet master, git, R10K wrapper, Openstack (Horizon), Vagrant and Jenkins/Udeploy
• Extensively worked on monitoring and alerting tools Nagios, Wily introscope, OVO
• Hands on job schedulers AutoSys, Tidal, CronTab and Windows schedulers
• Nagios Server and Client, adding user to Nagios web console and creating Contacts, adding Services etc
• Experienced with the installation and configuration as well as automation on Apache 2.2x, 2.0x, 1.3.x, 1.2, Apache Tomcat 8.0x, 7.0x, 6.0x Adobe ColdFusion 8/9/10
• Extensively worked with Version Control Systems CVS, SVN (Subversion), GIT, Perforce, and IBM Rational Team Concert
• Pac2K,JIRAare used as ticket tracking, change and incident management and Agile/SCRUM tools
• Good hands on atlassian products Confluence(wiki), JIRA, HipChat and FishEye
• Experience on log management tools splunk, zoom data (combination of YARN, Hive, Zoom data)
• Extensive experience on Build Automation and Continuous Integration concepts by using tools like ANT, Maven, Jenkins and AnthillPro
• Knowledge on JBoss4.x, 5.x ATG Web Servers and, BEA Web logic 8.x, 9.x servers
• Hands on Hadoop cluster administration using cloudera manager
• Expertise in installation, configuration and administration of RDBMS/NoSQLOracle 11g, 10g, 9i MYSQL, MongoDB and Cassandraon Red Hat Linux
• Hands on backup tools Symantec NetBackup, DataDomain and Bacula
• Experience in Qualys Scanning and Analysis
• Extensive knowledge on Linux package management Yum, RPM, Apt - get and Dpkg
• Knowledgeon Amazon Web Services (AWS)
• Hands on mailing services Postfix, SMTP, Mailgate
• Configured services like DNS, NIS, NFS, LDAP, Send Mail, FTP, Remote access on Red Hat Linux and Ubuntu
• Responsible for setting up disaster recovery environment for Ubuntu and Red Hat Linux servers and implemented all the DR procedures as per the guidelines
• Hand on Managing Pool using F5 Bay Portal.
• Ensured system security by hardening and auditing the systems as per guidelines in Red Hat Linux and Ubuntu also experienced in system analysis, troubleshooting and performance tuning of operating systems
• Hands-on Experience of the J2EE Framework and its components as related to Java build, test, deployment and release management initiatives.
• Good hands on Ansible Administrations, Automation and writing Ansible Playbooks
• Design and Perform NIM installation and Kick Start over network and created, maintained installation server, boot server and profile server
• Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, TCP, UDP, SMTP, FTP, and TFTP, rsync, SSL,SMTP, SSH, etc.)
• Possess strong analytical and troubleshooting capabilities, proactive listener and team player with positive approach and excellent grasping power
• Experience in leading/working with a team, onsite-offshore models and independent environment.
• Very good coordinating experience with program managers, testing teams, database administrators and end users
• Active team member in Dev ops, Build and Release Management activities
• Strong ability to troubleshoot any issues generated while building, deploying and in production support

TECHNICAL SKILLS

Operating Systems: Linux (Red Hat, CentOS, Ubuntu, Fedora), VMWare ESXi and Windows server (NT, 2000, 2003, 2008)

Database: Oracle 10g/11i, MySQL, MS SQL Server, MongoDB, PostgreSQL and Cassandra.

Tools: APACHE, Tomcat,JBOSS, Red Hat Cluster Suite, SecureCRT, Putty, SQL Developer, mysql-workbench, TortoiseSVN, AutoSys, OVO, Introscope, Vagrant, Jenkins(SimpleUI), GIT, R10k Wrapper, Openstack(Horizon), Anthill-Pro, Keytool, Pac2K, Toad,MS-Office, OpenOffice.org, Symantec Backup Exec, Bacula, Jboss, ColdFusion, PHP, Web Logic, Samba, Sophos Antivirus, Nagios, Mailman, SSH, Puppet, Ansible, Splunk, Qualys, Jira, Confluence and Microsoft SharePoint

Scripting Languages: HTML, XML, Perl, Shell and Python, C, C++

Protocols: NFS, CIFS, Automount, LDAP, NIS, Active Directory, DHCP, DNS, SNMP, NTP, FTP, HTML, Proxy and Gluster FS.

PROFESSIONAL EXPERIENCE

Confidential, SFO, California

Systems Architect

Responsibilities:

• Participated in the release cycle of the product which involved environments like Development, QA, UAT and Production
• Coordinated Release effort amongst various teams (Integration, QA, Testing, and Business Analysis) in geographically separated environment
• Installed and administered nexus repository and created roles and privileges to restrict access to the users
• Integrated the existing Ant scripts to automate the code quality report generation process for the existing legacy based applications
• Installed Jenkins and perform troubleshooting during installation to implement the continuous integration (CI) process for the java application builds
• Reported Project’s Weekly status to Senior Management
• Developed Scripts and implemented innovative ideas to automate system deployment to scale infrastructure
• Developed automation scripting in Python and JavaScript and used Puppet to deploy and manage several Tomcat and Java applications across more than 100 servers spanning environments (Dev, QA, Staging and Prod)
• Created release plans, implementation plans and installation documents for infrastructure team for all environments
• Coordinated with various teams for productions releases
• Participated in change management board(CMB) meetings to get approvals
• Developing puppet module for Automation using combination of Puppet Master, R10K Wrapper, Git Enterprise, Openstack(Horizon), Vagrant and SimpleUI(Jenkins)
• Worked with various vendors such as X15 and Delphix, Lily and Zoomdata for proof of concepts (POCs)
• Maintained Lab Infrastructure and providing solutions for POCs.
• Supported Applications including Application deployments and various patching activities
• Installed, Configured and maintained Red Hat Linux and Ubuntu servers
• Support to Red Hat Linux 6.x, 6.x on various Dell hardware Servers
• Defined and maintained Disaster recovery plans
• Maintain Hadoop cluster using Clouera.
• Scheduling jobs using tools Crontab, AutoSys etc.
• Monitoring Services and Configuration and errors in application log using tools like Nagios, Introscope, OVO
• Developed build and deployment scripts using ANT and MAVEN as build tools in Jenkins to move from one environment to other environments.
• Network Load balancing using F5 Bay Portal.
• Managed Hadoop Cluster using Cloudera console.
• Remotely managed Linux servers using VSphere and Virtual Console Center
• Ensured system security by hardening and auditing the systems as per guidelines in Red Hat Linux and Ubuntu also experienced in system analysis, troubleshooting and performance tuning of operating systems
• Generating and importing .pfx and .cer SSL certs to keystore.jks using Java Keytool.
• Shell Scripting for automating the System Admin tasks
• Supported and Coordinated with networking team to monitor network activity and in design and set up of firewall systems

Environment: Red Hat Enterprise Linux 3.x, 4.x, 5.x, 6.x, Ubuntu 12,13,14, Apache-Tomcat, GIT, VMWare, Vagrant, OpenStack(Horizon), Puppet, Jenkins, AnthillPro, Autosys, F5, Nagios, OVO, Oracle, MySQL, MongoDB, Venafi, SVN

Confidential, California

Sr. Systems Engineer

Responsibilities:

• Installed, Configured and maintained Red Hat Linux and Ubuntu servers
• Upgraded all VMWare hosts from ESXI 4.x to ESXI 5.1 one by one
• Support to Red Hat Linux ES 3.x, 4.x, 5.x, 6.x, 6.5 on various Dell hardware Servers
• Defined and maintained Disaster recovery plans
• Implementation of Samba to help printing and file sharing in the mixed Environment
• Nagios monitoring like Installing Nagios Server and Client, adding user to Nagios web console and creating Contacts, adding Services etc
• Installed and configured VMware ESX Hosts on Dell PowerEdge R710
• Remotely managed Linux servers using VSphere and Virtual Console Center
• Installing critical Red Hat Linux patches and Ubuntu on all environments
• Install and configure Apache Load Balancer
• Managed networking between Linux and Windows environment
• Lead the data migration project for migrating Ubuntu and Linux Servers
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays,EMC)
• Configuration and maintenance of NetApp onCommand System Manager Version 2.2/3.0
• Scheduling of Daily, weekly, Monthly backup policies using VERITAS NetBackup and Bacula Backups
• Creating backup policies and adding media, restoring from Library on Symantec NetBackup and installing NetBackup Clients on hosts
• Shell Scripting for automating the System Admin tasks
• Ansible Administrations, Automation and writing Ansible Playbooks
• Puppet Master and Client installation and configuration
• Splunk Client Installation and Analyze graphs, reports, alerts, dashboards and visualizations
• Created a small, lightweight & simple machine that mounts as DataDomain an NFS share to data in-out of DataDomain using advanced synchronization techniques and user level based authentication
• Installed and configured OpenSSH and TCP Wrappers
• Server Installation with IBM end point Bigfix and Sophos antivirus Installation
• Installation & Maintenance like replacing bad disks including bootable disks, OS, patch installation, Configuration of DNS, auto mount, and NIS and NFS services
• User Administration tasks such as create/update users, printers and assigned user profiles and responsibilities to users
• Ticket based problem management
• Configuring and maintaining mail services like Mailgate, Postfix, SMTP
• Supported and Coordinated with networking team to monitor network activity and in design and set up of firewallsystems
• Had experience in working with Virtual Tape Libraries
• File system management over SAN (EMC)
• Troubleshooting VMware ESX server related issues, maintaining their virtual server environment, creating and deleting virtual servers
• Troubleshooting of ColdFusion applications on RHEL servers
• Troubleshooting and maintenance of applications on ColdFusion Application
• Scheduled maintenance of windows and system downtimes
• Achieved efficient and timely coordination between teams by establishing solid Cross-Functional Relationships and involved in ITIL standards implementation
• Experience in Shell scripting (bash, ksh) to automate administration batch jobs including backing up repository

Environment: Red Hat Enterprise Linux 3.x, 4.x, 5.x, 6.x, Ubuntu 12,13,14, Windows, DataDomain, PowerEdge R710, Samba, EMC, Sun Tape Libraries, VERITAS Volume Manager 3.1, VERITAS Cluster Manager, Cold Fusion, Nagios, Splunk, Ansible, MS SQL, Bacula, VSphere Client, VERITAS Net backup 4.5, Oracle 10g, 11g andPuppet

Confidential, Gladstone, NJ

Sr. Systems Engineer

Responsibilities:

• Installation, configuration & administration of RED Hat Linux 8/ 9/ RHEL 3.x/4.x/5.1,5.2, CentOS 5/5.1 and AIX 5.1/5.2 servers
• Configured IBM p5,B80,RS6000,520,550,570,590,595,610,690.695, z/VM 5.4 for production, staging and test environments
• Performance Management & Tuning of RedHat UNIX Kernel
• Managing Compaq and Linux workstations and servers
• Configuration of Kernel parameters for Oracle Database
• Installation of patches and other software packages
• Installation of Oracle Patches and Troubleshooting, Creating and modifying application related objects Logical Volume Management (LVM) administration of AIX
• Creating profiles, users, roles and maintaining security
• Responsible for determining hardware and compatibility requirements for installation of application software and different tools
• Configured File Systems, users and group for Oracle and WebSphere
• Developed Shell scripts (Korn/Bourne) for automating the batch jobs
• Integrated automated jobs using Perl / Python / Ruby scripting
• Extensively used LVM, created VGs, LVs, and disk mirroring
• Installation and configuration of Active Directory services
• Configuration of Kernel parameters for Oracle Database
• Monitored file system space using simple shell scripts; resize file systems as and whenrequired
• Configured clustering by using VERITAS Clustering
• Setup of full networking services and protocols including NIS/NFS, DNS, SSH, DHCP, NIDS,DNS,TCP/IP, ARP, applications, and print servers to insure optimal networking, application, and printing functionality
• Created users, manage user permissions, maintain User & File system quota on Linux Servers
• Backup configuration using VERITAS NetBackup
• Perform daily Tivoli Storage Manager (TSM) Administrator duties to ensure all information processed through systems and databases are efficient
• Performed deployment activities, environment support including installation
• Configuration diagnostics, planning and upgrades for Jboss Application Server
• Perform daily TSM, EMC, SAN Administrator duties to ensure all information processed through systems and databases are efficient
• Installation and configuration of windows 2000 server /windows 2000 professional windows XP /windows 98
• Coordinating network, creating users account, assigning rights, sharing permission and managing profiles
• Creating and configuring network connection-using TCP/IP, IPX
• System policies and hardware profiles, hard disk configuration for fault tolerance, disk mirroring and backup the data using BACKUP devices
• Setup and configured network TCP/IP on Red Hat LINUX, CentOS servers including RPC connectivity for NFS.
• Created mount points for Server directories, and mounted these directories on the Servers

Environment: IBM zSeries, z/VM5.1, AIX 5.2 Servers in IBM P570, 550, 570, 590, 595, 610, 690, 695, HACMP 5.3, SUSE Linux, IBM DS4300 Storage System, Red Hat Linux 3.x/4.x/5.x,CentOS 4.6/4.7/5, Tivoli Storage Manager 4.2, LDAP, HACMP Cluster, VERITAS Clusters, NetApp Manager, VMware, Hitachi Disk Array, Apache 2.0,NFS, software RAID and DNS servers.

Confidential

Systems Engineer

Responsibilities:

• Administered, maintained Red Hat 4.0, 5.0 AS, ES, CentOS 5.3/5.4 troubleshooting hardware, operating system, applications & network problems and performance issues
• Installed, configured and maintained CentOS servers
• Deployed latest patches for, Linux and Application servers, performed Red Hat Linux Kernel Tuning
• Implementation of Samba to help printing and file sharing in the mixed Environment
• Installing and setting up Oracle9i on Linux for the development team
• Installed Web Logic 9i with SP5 Server and configured Domains, Admin and managed servers for Applications to be deployed
• Provided production support of Apache and JBoss including installation, configuration,management and troubleshooting
• Implemented virtualization using VMware in Linux on HP-DL585 and IBM-z/VM series
• Configured SSL s using CA Directory server
• Install and configure DHCP, DNS (BIND, MS), web (Apache, IIS), mail (SMTP, IMAP, POP3), and file servers on AIX 'and Linux servers
• Migrated database applications from Windows 2000 Server to Linux server
• Linux kernel, memory upgrades and swaps area and performed Red hat LinuxKickstart Installations
• Created users, manage user permissions, maintain User & File System quota on RedHat Linux, CentOS and AIX.
• Hardware Maintenance and System Administration of existing RS 6000 running AIX (40 systems in Network)
• Installed, configured and administered AIX 4.3.3, 5.1 & HACMP 4.4
• Experience in Migration of HACMP 4.3.1, 4.5 to HACMP 5.1 using Node-by-Nodemigration without changing the cluster setup
• Apache/Tomcat server, mail server, MySQL database, and firewalls in both development and production.
• Developed Korn and Bash shell-scripts to automate routine activities
• Implemented day-to-day tasks in Red Hat Linux that include upgrading rpms, kernel, HBA driver, configuring SAN Disks, multipathing and LVM file system
• Worked on Webservers, JBoss, Tomcat 5.x/4.x/3.x & Apache Server 2.x/1.x
• Wrote automatic mail response jobs using Perl/Ruby/ Python scripting utilities
• Configured and administrated Lpar’s/DLpars’s
• Data Warehousing and System Backup using tar, cpio for local systems and Veritas NetBackup for enterprise wide backup and recovery
• Network trouble shooting using ‘ndd’, 'traceroute', 'netstat', 'ifconfig' and 'snoop' etc.
• Provided support by 24x7 shift rotation basis and pager support
• Updated data in inventory management package for Software and Hardware products
• Worked with DBAs on installation of RDBMS database, restoration and log generation

Environment: Red Hat Linux 4.0,5.0 AS ES,CentOS 5.1/5.2/5.3,AIX 4.3,5.1,5.2,5.3, HP-DL585, HACMP 4.2.x,4.3,4.3.1,4.4, Veritas NetBackup, SAN Storage, 4.5.5, IBM-z/VM, Oracle 9i, Samba, NT/2000 Server, WebSphere, Web Logic 8.1, VMware ESX 2.x, LPAR, DLPAR, Tomcat 3.x,4.x,5.x, Apache Server 1.x,2.x,Jboss 5.0, Korn and Bash

Confidential

Software Engineer

Responsibilities:

• Installed, Configured and maintained Red Hat Linux, CentOS AIX and Solaris servers
• Support to Red Hat Linux ES 4.x, 5.1, 5.2 and CentOS on various IBM hardware Servers
• Monitored Disk & Memory Utilization on AIX 5.1, 5.2
• Upgraded IBM-z/VM 5.4 servers to new technology levels, configured LVMs on AIX 5.1,Planned, and Installed, configured SUSE Linux Enterprise Server on Blade Server JS 21 X series 3755
• Installed and configured VMware ESX server on IBM x3650, x3550 servers
• Defined and maintained disaster recovery plans
• Installation of Red Hat Linux server as a Domain server
• Installation of Linux server as a firewall and internet proxy server
• Implementation of Samba to help printing and file sharing in the mixed Environment
• Remotely managed Linux servers using ILO, DRAC, and Virtual Console Center
• Installing and setting up Oracle9i and WebSphere on Linux for the development team
• Lead the data migration project for migrating Solaris and Linux Servers from EMC SAN to IBM ESS
• Managed networking between Linux and Windows environment
• Design, implementation and regular maintenance of VXFS, VVM and VERITAS Cluster, MC/Service guard Packages, load balancing
• Configuration and administration of Fiber card Adapter’s and handling of SAN (SAN arrays, HITACHI, EMC)
• Upgraded Red Hat Linux OS on WebSphere, Jboss, WebLogic and Oracle database serversfrom V3, V4 to V5
• Installed and configured OpenSSH and TCP Wrappers
• Maintained Data Centre administration
• System & backup management using IBM ADSM Backup Server
• Configured JBoss Application servers over Apache web server in Linux based systems
• Scheduling of Daily, weekly, Monthly backups using Omni Backup, VERITAS NetBackupand TSM Backups.
• Shell Scripting for automating the System Admin tasks
• Installation & Maintenance like replacing bad disks including bootable disks, OS, patchinstallation, Configuration of DNS, auto mount, and NIS and NFS services
• Created users, printers and assigned user profiles and responsibilities to users
• Troubleshooting VMware ESX server related issues, maintaining their virtual server environment, creating and deleting virtual servers
• Excellent working knowledge in implementing LDAP security models.
• Experience in Shell scripting (bash, ksh) including JACL, WSCP to automate administrationbatch jobs including backing up WebSphere Admin repository

Environment: Red Hat Linux 5.1,5.2,CentOS 4.6/4.7, IBM X-series and IBM Blade JS 21 X series 3755, Red Hat Enterprise Linux 3/4/5, Samba, EMC, Sun Tape Libraries, VERITAS Volume Manager 3.1, VERITAS Cluster Manager, Java, Tivoli storage manager, Compaq and IBM servers. Compuware Monitoring tool, VERITAS Net backup 4.5 and Oracle 9i

Confidential

Jr. Database Administrator

Responsibilities:

• Create or clone the Oracle Instance and Databases on ASM. Perform database cloning and re-location activities.
• Managing table spaces, data files, redo logs, tables and its segments.
• Maintaining data integrity also managing profiles, resources and password security.
• Managing Users, Privileges and Roles.
• Install Oracle software and patches.
• Upgrading the 9i databases to 10g including data guard.
• Upgrading the Database from lower version to higher version.
• Tune SQL statement against database and its objects.
• Write script to monitor the database with shell and PL, SQL code or SQL PL, SQL code such as procedure, function, and package.