SUMMARY

• Over 8 years of UNIX System and Network administration in Linux (RedHat 4/5/6), HP - UX (10.x, 11.x), IBM AIX (5.x)
• Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux.
• Experience in building the Solaris servers using wan boot.
• Administrating and troubleshooting Red Hat Cluster Suites
• Experienced in working with Network Engineers to install, manage, and configure NAS based storage and insure overall system and network security.
• Experience with building and configuring AIX, RHEL servers using NIM, Kick start and wan boot
• Administrating and troubleshooting VERITAS Cluster Suites Experience in using VERITAS 1lume manager.
• Experience in using VERITAS Volume manager.
• Maintained AIX environment for local Oracle developers.
• Implemented BMC Patrol on these computers in order to maintain sanity of logs, CPU, memory and disk utilization.
• Provide 24x7 on call server support for UNIX environment-AIX and Sun Solaris
• Good working knowledge of network & UNIX security procedures.
• Administrating and troubleshooting Red Hat Cluster Suites.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g products
• Strong knowledge of large-scale Linux deployment methodologies, kernel configuration, performance monitoring, and tuning.
• Storage Provisioning, Volume and File System Management using VERITAS Volume Manager and Veritas Filesystem (Veritas Storage Foundation), Configuring ZFS file systems.
• Customized patching and maintenance of HPUX, Linux servers on regular schedule.
• Worked on different platform on SUSE Linux which includes 10.x,11.x
• Regular work involving building new Linux Physical and Virtual servers using kick start and PXE.
• Worked with Web Sphere team in order to configure WAS instances for BMC patrol.
• Provide 24x7 on call server support for UNIX environment and Sun Solaris.
• Knowledge of EMC Symmetrix.
• Implemented and configured Storage Area Network (SAN) using Fiber channel Technology for the LAN-free Backups.
• Excellent client relation skills and the drive to complete tasks effectively and efficiently where customer services and technical skills are demanded as well as the ability to communicate effectively with all levels of management and the client community.
• Ability to work in a team as well as alone

TECHNICAL SKILLS

Operating System: Redhat Linux (RHEL4/5/6), IBM AIX 3.2.x, 4.x, 5.x, Sun Solaris 2.x, 8, 9, 10, Windows 2000/2003/2008/2012 , HP-UX 9.x, 10.x, 11.x, Windows XP/2007

Servers: Web Sphere Application Server 3.5/4.0, Netscape/IPlanet Server, MQSeries, Web Logic Server, Puppet,IBM HTTP Server, HTML, DHTML, XML, Java Script, JSP, Servlets, EJB, Apache 2.2, Tomcat 5.5, Active MQ

Networking: TCP/IP, RPC, UDP, NIS, NFS, DNS, DHCP, Cisco Routers/Switches, LAN.

RDBMS: IBM UDB2, Oracle 7.x/8.0/9i, MS-SQL Server 7.0/6.5 and MS-Access 97/95.

Hardware: HP, DELL, IBM, pSeries, SUN Enterprise.

Languages: UNIX Shell Programming (ksh, csh, sh), Verilog HDL, Matlab with toolboxes, SQL.

Applications: Samba, Tivoli (TSM), VERITAS Volume Manager.

PROFESSIONAL EXPERIENCE

Confidential - Schaumburg, IL

UNIX/AIX Admin

Responsibilities:

• Linux (RedHat 3/4/5/6/7) UNIX System and Network administration in Sun Solaris (9/10), HP-UX (10.x,11.x), IBM AIX (5.x), Server Installations, configurations, upgrades and migrations on Solaris, HP- UX, Linux and AIX.
• Experience in Web and Application Servers Web logic 10.3.x or 9.x and iPlanet.
• Responsible for set up of BMC Patrol Agents V3.6.50.11i and 3.6.60i environment on UNIX Servers.
• Experience in system-monitoring tasks using Nagios
• Experience in building Puppet Master server on RHEL
• Configure and manage Middleware and web tools such as Apache, Tomcat, WebSphere and JBoss.
• Expertise in configuration Management tools like chef and puppet, CI/CD with Jenkins.
• Worked with build and deployment automation using tools such as Jenkins, Liquibase, Maven.
• Hands on Experience of PCI regulatory
• UsedChefto automate Configuration management & Applications.
• Experienced working script in shell.
• Responsible for Installation, Configuration Management, Maintenance and Systems Development of AIX Systems.
• Expert inChef/Puppet as Configuration management tool, to automate the repetitive tasks, quickly deploy critical applications, and enthusiastically managed the changes.
• Experience working in Solaris and Oracle LDOMS.
• Day to day review Remedy tickets and resolved them. Involve in change management and Incident reporting.
• Worked with Tenable Security Center
• Experienced in load balancing techniques and puppet management
• Wrote & automated security audit scripts in the environment.
• Experience withchefand Apache Traffic Server open source technologies.
• Involved in supporting HP Open VMS Systems.
• Performed system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
• Troubleshooting all kinds of UNIX problems and assisting users.
• Install and configure Solaris Operation System and worked on Solaris 10 (SPARC and x86).
• Install Redhat Linux and CentOS.
• Experience with version control software branching, merging, and tagging with GITHUB
• Configuring and maintaining virtual server environment using VMWARE ESX/ GSX, VSphere 4.x, Xen, HP-UX nPars/vPars, Solaris 10 Zones.
• Experienced in managing LPAR with virtual memory management and memory optimization and using AIX Virtual Memory Manager (VMM).
• Involved in troubleshooting shell scripts
• Experience in Redhat and SUSE Linux Operation system and Vormetric Encryption.
• Installation of RHEL, SUSE Linux, Centos and Fedora on physical server and virtual server.
• Configuring kickstart server on SUSE Linux.
• Implemented configuration management with Puppet.
• Developed and tested many features for dashboard usingRubyon Rails, Bootstrap, CSS and JavaScript.
• Responsible for patching and upgrading all SUSE Linux Servers.
• Involved in installing the Solaris Operating system from DVD and from a JumpStart/AI server
• Setup and Manage environment using Puppet Configuration Management.
• Administering and troubleshooting of Redhat Clusters.
• Hands on experience using the VMVI editor. Maintained AIX environment for local Oracle developers.
• Hands on experience in module, authoring and conversion.
• Documented every task mentioned above as a part of knowledge transfer to fellow Sun & Linux admins.

Environment: Unix/RedHat Linux, AIX 6.1/5.3, SUSE Linux Unix/Linux,, IBM AIX (5.x), VMWARE ESX/ GSX, HP-UX nPars/vPars, VMVI editor, Solaris 10 Zones, Shell Scripts & Oracle 10/11G .

Confidential, Washington, DC

UNIX Administrator

Responsibilities:

• Installed and automated config 2 html scripts on client LPAR’s and documented the RGA AIX environment by designing a webpage to access the cfg2html and ganglia output.
• GSD331 troubleshooting, find any incompliant servers are Remediate GSD331.
• Installed WebSphere Portal Server 5.1/6.0/6.1 and enabled Web Content management.
• Migrated WAS 5.0 Network Deployment and Base on AIX/Windows platforms to WAS 6.0 ND.
• Experience in NetApp storage devices, setup, configuration, operations and connecting to pSeries hardware.
• Configuration and maintenance of common applications such as NFS, DHCP, NTP, SSH, DNS, and SNMP.
• Perform system installs and performance tuning, configure and administer AIX 5.3, 6.1 LPAR’s
• Perform day to day LVM operations and System Admin tasks
• Create virtual media repository and LPAR dedicated virtual optical drives in the VIO servers to make new installations, cloning and migrations faster and easier
• Set up and troubleshoot issues with Secure Shell in the environment to accommodate script automation and password changes.
• Maintained AIX environment for local Oracle developers
• Installed, monitored and supported Web and Application Servers on AIX and Linux environments.
• Experience with configuring DNS and DHCP on Linux.
• Participate in installing and configuring of UNIX/Linux based Oracle 10g products
• Experience with Integrated Virtualization Manager (IVM)
• Responsible for installation and maintenance of VFSX in a clustered environment
• Experience in installing configuring and administering MQ 5.3/6.0 on AIX, Linux and Windows environments.

Environment: Unix, Linux, Vi Editor, Unix/Linux, Redhat Linux, Shell Scripts & Oracle11g, LPAR, DHCP, SNMP.

Confidential, Dublin, OH

AIX Systems Administrator / Systems Engineer

Responsibilities:

• Installed IBM AIX 5.2 on IBM RS/6000 machines and WebSphere Application Server (3.5.6) on AIX (4.3).
• Involved in mounting file systems, creating directories, files and their securities AIX.
• Maintained and monitored the business applications CICLOPS, FourGen, etc. on IBM AIX 5.2, 5.1 & 4.4, 4.3 Servers.
• Involved in assessing and tuning the performance of AIX on RS/6000 systems.
• Implemented Load balancing (LSF 3.2) solutions on the Build and Application servers.
• Administered Linux servers for several functions include managing Apache webservers, mail server and firewalls in both development and production.
• Installed Veritas Volume Manager and created mirrored and striped volumes and file systems.
• Managed Sun A1000 and D1000 storage arrays with Veritas Volume Manager.
• Created volumes and maintained functional areas on NetApp F760 filers and exported them via NFS.
• Worked closely with Network and other infrastructure teams for supporting daily activities i.e. system/network changes for all Solaris, AIX and Windows 2000 Servers.
• Implemented standard backup procedures for multiple enterprise applications running on various OS and web servers.
• Configured Veritas Netbackup 3.2 for Network backup, restore and archival of network clients and managed ATL tape libraries.

Environment: NetApp, NFS, AIX, Solaris, Redhat, LINUX, Windows 2000 Server, IBM WebSphere, Veritas Net backup, Veritas Volume Manager, WebSphere Application Server.

Confidential, Framingham, MA

Systems Administrator

Responsibilities:

• Installation and configuring of SUN and Linux servers.
• Involved in Building and configuring 8/9/10 using Jump start server and Red Hat Linux Servers using KickStart server as required for the project. Maintained maximum uptime and maximum performance capacity for Enterprise Production, QA, and UAT/Staging.
• Incident management for Unix Servers (, Linux).
• Installed and configured 10 servers with Zones and containers with SUN ZFS.
• Primary responsibility includes building and supporting / Redhat Linux 3,4 servers.
• Monitoring CPU, memory, iSCSI disks, disk controllers, physical disk, HW and SW RAID, multipath, file systems, network using the tools NAGIOS and BMC Tools.
• Extensive experience in installing, integrating, tuning and troubleshooting Apache, Tomcat, WebSphere and Weblogic application server.
• Implemented SUDO, SSH and other security tools and implemented SOX (Sarbanes Oxley) security compliance.
• Assisted in configuring the application servers with other components such as database, web servers, LDAP directory, Active Directory, BEA Web logic etc.
• Extensive use of Veritas Volume Manager for Disk management, file system management on Sun environment.
• Created Zetabyte file system (ZFS) in 10. Created zpools. Exported ZFS from local zones to local zones.
• Installation and configuration Veritas NetBackup on Sun Severs and performing Backup using Veritas Net Backup.
• Extensive use of Korn shell, Bash for scripting.
• Using On Command Management tool for managing the NetApp resources.
• Expertise in Linux backup/restore with tar including disk partitioning and formatting.
• Involved in Planning, building and Administration of various High Availability clusters and heart beat checking on Sun using VCS in heterogeneous SAN environment.
• Regular disk management like adding / replacing hot swappable drives on existing servers/workstations, partitioning according to requirements, creating new file systems or growing existing one over the hard drives and managing file systems.
• Planned, scheduled and Implemented OS patches on both & Linux boxes as a part of proactive maintenance.
• Worked with other IT teams, customers (users), and other managers in helping build and implement systems and standards.
• Involved in migration of projects from one flavor to another one.
• Involved in development, user acceptance, and performance testing, production & disaster recovery server.

Environment: 8/9/10, Red Hat Linux 4/5, BMC Tools, NAGIOS, Veritas NetBackup, Korn Shell, Bash Scripting, Veritas Volume Manager, web servers, LDAP directory, Active Directory, BEA Web logic servers, SAN Switches, Apache, Tomcat WebSphere, Weblogic application server.