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Network Administrator Resume

WA

SUMMARY

  • Around 10 years of experience in IT industry, has primarily focused in the Internet and Intranet Technologies as Linux/Solaris/AIX/Websphere/Portal Server/JBoss/Tomcat/Apache Administrator/ Build Engineer/Deployment coordinator, Netbackup,DataStage,Veritas Volume Manager and experience in deployment and maintenance of Java, php, perl based web Applications, System Monitoring tools, CVS, SAMBA server, Firewall using IPTABLES and Squid Proxy server configurations on Linux Platform.

UNIX /Network Skills

  • Experience in Linux/Solaris Installation, Administration, Security Maintenance on Local/Remote Servers and 24x7 support to servers.
  • Understand current infrastructure and follow different processes followed by UNIX/DBA team and work accordingly on daily activities.
  • Supported applications include Data Stage, Connect Direct (NDM),Symantec Netbackup,WebSphere,JBoss etc
  • Installation and maintenance of MySql, PostgressSql, Oracle, JDK1.3/4, Websphere4/5/6.1,Apache 1.3.x/Apache2.0 and Tomcat 3.1/4.x Jrun,Resin on RedHat 6.2/7.3/8/9 servers. and RHEL 5.
  • Routine Backups and Restoration, Source Code Management using CVS,PVCS Testing the backup and restoration plans.
  • Installation and configuring Samba for Linux and Windows connectivity.
  • Installation and configuring MailServers,LDAP,,OpenLDAP,Sunone,Sendmail and Postfix,Pop3,Imap
  • Installation and configuring Squid Proxy,VNC, NFS, FTP,Rsync,DNS,DHCP Server and clients
  • Linux Kernel up gradation to add additional tune/capabilities to Linux server and optimizing Linux Server.
  • Hardening Linux Server and Compiling,building and installing Apache Server from sources with minimum modules.
  • Experience in installing RPM's scripting in Bash,Ksh,Perl and usage of awk and sed.
  • Experience with virtualization,VMware Administration (ESX/VSPHERE),
  • Install and configure VMWare ESX, Windows Server and Linux operating systems and experience to validate appropriate use of VMWare in an enterprise environment.
  • Experience in compiling source files and installing the open source software in unix,Linux servers.
  • Installation of Tripwire to check the integrity of the file system on Linux System.
  • Task automation through Crontabs, Autosys, Maestro to invoke java programs and shell scripts.
  • Conducting Pre-prod meetings for requirements gathering and Post-production meeting for eviewing the Prod deployments and re-mediating mistakes for the smooth deployments in future.
  • Installation and configuring Squid Proxy Server, Iptables firewalls on Linux System, Linux Software router.
  • Maintenance of technical documentation of forinstallation,Upgradation and configuration changes and RunBook for the production support. Installation and Configuring Firewalls like IPTables ,ISA, Watchgard 6.0,checkpoint and knowledge of Linux Software Router,Exposure to DMZ
  • Experience in Security Tools Logwatch, Portsentry, Snort, Nmap, Nessus scanner
  • Interacting with respective teams and have them comply with established norms.
  • Experience in Monitoring tools like, TeamQuest ,Introscope, Sitescope, BMC Patrol etc
  • Installation of Windows2003 Server as Domain Controller and managing windows Clients and users and Samba connectivity to Unix Servers.
  • Reviewing daily and weekly reports from all Servers for optimal capacity, performance and presenting relevant metrics to higher management.
  • Experience in Setting up and supporting LAMP Environment.
  • Familiarity with RAID and variety of storage technologies including SAN and NAS storage platforms.
  • Reviewing storage availability and regular backup with ,Backups with tar, cpio, dump (ufsdump)
  • Experience in install,setup and configuring the mail servers SendMail,Postfix,pop3,Imap.
  • Experience in the security tools like Tripwire, Logwatch, Portsentry, Snort, Nmap, Nessus scanner,Nagios
  • Perform regular UNIX system administration tasks on day to day basis. Ex- HP-UX, Solaris, RedHat Linux.
  • Hardware environment include HP Integrity systems/HP c7000/c3000 enclosure and different Blade servers,SUN SPARC,HP Storageworks,HP MSA,Fibre switches
  • File System management include in-built volume managers and mainly VERITAS Volume Manger
  • 24*7 On-Call Infrastructure support to the production environment which comprises of around 100 UNIX servers in different locations.
  • Patching the servers for Oracle install which include different required RPM installation on the servers.
  • Support DBAs as and when they require UNIX help on database implementation
  • Work to get enough knowledge and plan the application upgrade / migration
  • Open support case on HP portal and talk to the support team as and when required
  • LDAP, SSL integration, which require communication with LDAP team.
  • Involved in annual Disaster recovery Test/COB Envt Test at various client places. .
  • Plan outages with application teams

WebSphere/Web Admin Skills

  • Installation and maintenance of JDK1.3/4, Websphere4/5/6.1/7.0,WebSphere Portal Server 6.x,Apache 1.3.x/Apache2.0/2.47 and Tomcat 3.1/4.x/5.x Jrun,Resin JBOSS on RedHat 6.2/7.3/8/9 servers. and RHEL 5 and other Unix OS and documentation.
  • Experience in Deploying and maintenance of the Web applications using Websphere App Server Cluster/Portal Server, Apache/WebSphere Customer Center,WebSphere commerce server, Tomcat, IIS having working knowledge of java, software development life cycle processes.
  • Implement, administer, and troubleshoot WebSphere middleware infrastructure in a 365/7/24 environment. Extensively worked and still working in Web based (Internet, Intranet, Extranet), Client/Server technologies
  • Applying APAR,s Patches and fixs on Websphere and coordinating with IBM Technical Support.,Updating the infrastructure support documents.
  • Experience in migration of applications from Websphere 5.0 to WebSphere6.1 Websphere7.0
  • Maintenance of Web server Security, virtual hosting, Monitoring of Process and Logs.
    Experience of performance tuning of WebSphere Application server and IBM HTTP server for optimal performance based on user load.
  • Installation of plugins Apache-JServ 1.1/mod-webapp/Mod-jk for communication of apache and tomcat to execute the java,servlets,jsps,installed configured poolman for Database Connection pooling.
  • Configuration of LDAP,OpenLDAP,SSO and CA Siteminder for securing web applications
    Closely Interacting with teams Development, Database, Network, Storage Team ,Infrastructure teams and Management while performing the daily jobs ,Infrastructure upgrades ,migrations, facilitations.
  • Production Support of Websphere MQ Version 6.x, creating local queues, remote queues, creating channels, listeners and installed client software on AIX, Solaris and Windows Platforms.
  • WebSphere Portal Administration expertise, Clustering, Administration, Deploying WPS portlets, pages, and portal applications.
  • Secured administrative server’s using Authentication, Authorization, Single Sign on, LTPA, User registry.
  • Automated configuration, troubleshooting, deployments using JACL and Jython scripts – used AdminConig, AdminApp, AdminControl and AdminTask.
  • Export/import Portal configuration and automate Portal deployment tasks using XML Access interface.
  • Performance tuning of WebSphere Application server and IBM HTTP server for optimal performance based on user load.
  • Experienced in working with CA Siteminder Policy Server 5.x/6.x, WebAgent 5.x/6.x &WebSphere Application Server Agent 5.x/6.x./7.x
  • Supported a multi-function, multi-platform, multi-tier, mission-critical J2EE/WebSphere environment,knowledge of Networking,LoadBalancers,Firwalls
  • Experienced in Performance tuning using the Resource Analyzer and Tivoli performance viewer by configuring caching, queuing, pooling, JVM parameters etc.
  • Good at troubleshooting using Traces, Logs and Log Analyzer,Thread analyser.
  • Experience in Installing, Configuring and Administering Web Servers like IBM HTTP Server1.3.2/6.0, Sun One Web Server, Apache, IIS.
  • Involved in Capacity Planning ,providing POC and estimates for the New Applications setup and enhancements for the existing Systems.
  • Experienced in creating IBM Problem Management Records (PMR) to report WebSphere Application Server problems and as SME on WebSphere
  • Configured the web server interfaces, session management, virtual hosts and transports for WebSphere.
  • Monitoring the JVM performance by WebSphere Heap Size, garbage collection, Responsible for deploying applications on the cluster and setting up the environment.
  • Monitoring JVM, ffdc, process and webserver access & error log file regularly and troubleshoot the various WebSphere related issues by analyzing logs and maintaining log rotations.
  • Experience doing on call support and work with a team to provide 24/7 production support on a rotation basis.
  • Conducting Pre-prod meetings for requirements gathering and Post-production meeting for reviewing the Prod deployments and remediating mistakes for the smooth deployments in future.
  • Maintaining the issue tracking system,change management and keeping the status of configuration files.
  • Experience in proactively and preemptively identify potential scalability or reliability issues and take the appropriate action to minimize application outages
  • Exposure to Resource Adaptor,ESB Endpoint to connect to TibcoEnvt(To ETL Server) for messaging with the Application.

Technical Skills

Operating Systems: Linux,RHEL5.0 Solaris8.0/9.0, Windows – 9x, Windows- NT, Windows-2000,AIX 5.3

Languages: Java, C, Pascal,

Microsoft Technologies: Visual Basic, VBSCRIPT

Database:Oracle 9i/8i, Ms-Access, Postgresql, MySQL

Web Technologies:ASP, Servlets, JDBC, JSP, EJB, XML, HTML, DHTML, JavaScript

Web Server:Apache Server 1.3.x/2.0, IIS Server, IBM http Server

Application Server:Websphere 5.0/5.1/6.1,WebSphere Customer Center,Portal Server, Tomcat 3.x/4.x,5.x JRUN,JBOSS

Security Tools:SSL,Tripwire, Logwatch, Portsentry, Snort, Nmap, Nessus scanner,NDM Direct Connect,

Source Code Tools:CVS,VSS,TFS

MailServers;SendMail,Postfix,pop3,Imap

Scripting:Shell, sed, awk,Jython,php,python

Others:RAID,Veritas Volume Manager,NetBackup,Squid proxy, FTP, NFS, Rsync, Samba,DNS, Dhcp, LDAP,OpenLDAP,Linux Software Router,KickStart, Introscope, Sitescope,BMCPatrol,TeamQuest,VMware ,SSO,CA Siteminder,virtualization,VMware Administration (ESX/ESXi/VSPHERE)

Firewalls,VPN: IPTables, ISA, Watchgaurd, checkpoint, Ipsec

Work Experience

Confidential

WEB/uNIX aDMINISTRATOR

  • Understand current infrastructure and follow different processes followed by UNIX/DBA team and work
  • accordingly on daily activities.
  • Work on Work Requests /(ICRs) assigned and complete per schedule and update the status as and when
  • requited to the application owners.
  • Supported applications include Data Stage, Connect Direct (NDM),Symantec
  • Netbackup,WebSphere,JBoss etc
  • Hardware environment include HP Integrity systems/HP c7000/c3000 enclosure and different Blade
  • servers,SUN SPARC,HP Storageworks,HP MSA,Fibre switches,etc
  • File System management include in-built volume managers and mainly VERITAS Volume Manger
  • 24*7 On-Call Infrastructure support to the production environment which comprises of around 100 UNIX servers in different locations.
  • Attend Group meetings and update status of work assigned.
  • Patching the servers for Oracle install which include different required RPM installation on the servers.
  • Support DBAs as and when they require UNIX help on database implementation
  • Work to get enough knowledge and plan the application upgrade / migration
  • Open support case on HP portal and talk to the support team as and when required
  • LDAP, SSL integration, which require communication with LDAP team.
  • Plan outages with application teams
  • Setting up BCP environment for the above applications.
  • Handling a JBOSS application server PPM application and Quality Center
  • Installation, configuration and administration of JBoss EAP and SOA Platform on Linux environments.
  • Deploy, monitor, and troubleshoot applications in the JBoss environments.
  • Shell scripts to automate to support setup, configuration and operational tasks
  • Good knowledge in JBoss clustering and performance tuning

Environment:HP Integrity systems / HP c7000/c3000 enclosure and different Blade servers, SUN SPARC, HP Storageworks, HP MSA, Fibre switches, etc

Confidential SYstem Administrator CloudComputing

Project Name: BMC Cloud LifeCycle Management.1.

  • Attended the training of BMC Cloud lifecycle management
  • Installing the stack of software components for the Cloud Envt, I ncluding BMC owned software and other third I party software (VM ware and others).
  • Installation of Apache Tomcat,JBOSS,WebSphere and Testing the applications on the Newly Created VM Envt.
  • T esting the user interface and cloud software and creating virtual resources provisioning them and testing them and decommissioning resources in various iterations.

Environment: VMWare,WebSphere,Apache tomcat,JBoss,Dell PowerEdge Servers,HP Prolient Systems,Linux Rhel

Confidential Irving, TX Sr. Websphere Administrator/Portals Admin/Unix Administrator
  • Administering and Maintaining Websphere Application Server6.x and Portal Server 6.x, WebSphere
  • Customer Center.
  • Install WebSphere, IBM Http Server and Plug-in generation Creating and maintaining AppServers,
  • Clusters, Nodes, Nodeagent and Dmgr.
  • Responsible for build and Deployment of Enterprise Application through customized Scripts and console.
  • Enabling administration security on WebSphereAppServer/portal Server environment using LDAP and
  • assigning privileges to users and groups.
  • Performance tuning of WebSphere Application server and Portal Server, WebSphere Custom Center and
  • IBM HTTP server for optimal performance based on user load.
  • Deploy and Maintain Ear and Portlets in all environments (Dev, QA and Staging and Prod), advising QA
  • team for exhaustive testing and interacting with Teams to have a successfully release and subsequent
  • move from Dev to Prod Systems.
  • Maintaining application codes in CVS/Clearcase and generate the EAR.
  • Configuration of SSO and CA Siteminder for securing web applications and agent Maintenance patching.
  • Usage of Tools like Sitescope, BMC Patrol, for monitoring Web Application, Process, device, files and
  • system activities and house keeping operations on servers
  • Monitoring JVM, ffdc, process and webserver access & error log file regularly and troubleshoot the various
  • WebSphere related issues by analyzing logs and maintaining log rotations
  • Applying Patches/Upgrading Software on all Envts and interacting with Vendors for Upgrades and Bug
  • fixes.
  • Monitoring the batch jobs and interacting with developers, Business Intelligence teams.
  • Coordinating with UNIX system/Security Team and database administrators to measure performance,
  • carry out capacity planning.
  • Applying APAR,s Patches and fix and coordinating with IBM Technical Support.
  • Raises Requests for Change (RFCs) to do enhancements,resolve errors and prevent the recurrence of
  • problems.
  • Installation and activation of portlets and portlet applications. Administer portal resources using XML
  • Access and other command line tools and managed Portal clusters.

Environment: Scripting: Shell Scripting, Ant Scripting, HTML; Database: Oracle 10G; O/S: AIX,Unix, App Server: Websphere 5.1, 6.1, Portals 6.x, WebSphere Customer Center

Confidential, NYSr. Websphere Administrator/Linux/Unix Administrator/Deployment

Module: Infrastructure Operations

Project Description:

Managing Research Technology Infrastructure operations server maintenance

.Responsibilities

  • Administering and Maintaining Websphere5.1/6.x
  • Responsible for build and Deployment of Enterprise Application through customized Scripts and console.
  • Administering and Maintaining CVS Servers.
  • Deploy and Maintain Software in all environments (Dev, QA and Staging), advising QA team for
  • exhaustive testing and interacting with SME’s to have a successfully release and subsequent move from
  • Dev to Prod Systems.
  • Experience of performance tuning of WebSphere Application server and IBM HTTP server for optimal
  • performance based on user load.
  • Conducting Pre-prod meetings for requirements gathering and Post-production meeting for
  • reviewing the Prod deployments and remediating mistakes for the smooth deployments in future.
  • Maintaining the issue tracking system,change management and keeping the status of configuration files.
  • Planning and Coordinating the infrastructurechanges in all the Envts.
  • Performance monitoring and providing ongoing configuration and tuning adjustments.
  • Reviewing daily and weekly reports from all Servers (Windows and UNIX) for optimal capacity,
  • performance and presenting relevant metrics to higher management.
  • Reviewing storage availability and regular backup, interacting with respective teams and have them
  • comply with established norms.
  • Configuring and Monitoring Sitescope,Patrol,for the Prod Applications.
  • Performance review using TeamQuest scheduling system monitoring activities in CRON daemon on
  • Solaris server.
  • Coordinating with Unix system and database administrators to measure performance, carry out capacity
  • planning.
  • Monitoring file, device and system activities, house keeping activities Solaris/Linux servers to minimize
  • downtime

Environment: Shell Scripting, Ant Scripting; Oracle 10G; Solaris 9.0, Websphere 5.1, 6.1, SUN Ultra SPARC 80, Sun-FIRE 280R, Sun-Fire-V240, Sun-Fire-V440, Sun-Fire-480R,Linux

Confidential

Sr. Websphere Administrator/Commerce server Admin/Deployment

Responsibilities

  • Administering and Maintaining Websphere5.1 and Websphere Commerce Servers 5.6.1.
  • Responsible for build and Deployment of Enterprise Application through customized Scripts and console.
  • Administering and Maintaining CVS Servers Build and Deployments.
  • Writing Shell scripts and creating Cronjobs as per developer’s requirements.
  • Troubleshooting for Websphere Application server and Application Deployment.
  • Directly Reporting to the Sony Manager.
  • Installation of IBM Websphere 5.1./6.1
  • Applying APAR,s Patches and fix and coordinating with IBM Technical Support.
  • Developed Shell Scripts for IBM WebSphere Application Server and System administration activities on
  • Solaris Servers.
  • Scheduling system monitoring activities in CRON daemon on Solaris server.
  • Monitoring file, device and system activities,house keeping activities Solaris servers.
  • Configuration of JDBC and Oracle Database Connectivity.

Environment: Shell Scripting, Ant Scripting; Oracle 9i/10g; Solaris 9.0, Websphere 5.1 Cluster, Websphere Commerce Server5.6.1; SUN Ultra SPARC 80, Sun-FIRE 280R, Sun-Fire-V240,Sun-Fire-480R,Redhat Linux

Confidential

Team Lead

WebSphere Administrator/Build Deployments

Responsibilities

  • Sun Solaris Administration for World Bank ODC.
  • Installation of IBM Websphere 4.0.5/5.1.1 on SUN Fire V240 for Development, Test and QA Environment
  • in ODC.
  • Developed Shell Scripts for IBM WebSphere Application Server and System administration activities on
  • Solaris Servers.
  • Automatic Deployment of Enterprise Application through customized scripts and Administration console.
  • Configuration of SSO and CA Siteminder for securing web applications
  • Scheduling system monitoring activities in CRON daemon on Solaris server.
  • Installing, Configuring and Maintenance of Apache, IBM HTTP Server 20.47.1 on Solaris 8, Redhat
  • Enterprise Linux 3.0 for testing JSP and Servlets.
  • Monitoring file, device and system activities on the World Bank Solaris servers.
  • Configuration of JDBC and Oracle Database Connectivity.
  • Maintaining the issue tracking system,change management and keeping the status of configuration files.
  • Conducting Pre-prod meetings for requirements gathering and Post-production meeting for
  • reviewing the Prod deployments and re mediating mistakes for the smooth deployments in future.
  • Install and Setup of Jira,Confluence applications and Administer,configuring and customisation..
  • Planning and Coordinating the infrastructure changes in all the Envts.

Environment: Shell Scripting; Oracle 8i,9i; Site Scope, Introscope, Jira; Solaris 8.0, Windows XP ( Enterprise Desktop 4 ); SUN Ultra SPARC 80, Sun-FIRE 280R, Sun-Fire-480R,Linux RHEL

ConfidentialWA, Linux Administrator/Network Administrator

Project Name: Managed Security Services

Responsibilities

  • Development of Centralized and combined Management solution for different IDS, Firewall, Vulnerability
  • detection tool, audit logs from mail server, webserver etc.
  • Exploit code study and analysis along with finding intrusion signatures for signature based IDS system
  • (Snort).
  • Single analysis tool for monitoring and managing different firewall systems (Iptables, CiscoPix, Watch
  • Guard, checkpoint).
  • Log analysis and portscan detection, spoofing attempt, DOS attack detection etc has been developed and
  • some of them are in development stage.
  • Research and development in the field of Log based intrusion detection
  • Installation of Redhat Linux OS/Windows OS kickstart, setting up of Various Firewall( Ipatables,

WatchGaurd, checkpoint Firewall) configuring basic rules for logging in to syslog server, Mysql/Oracle

Database Installation and maintenance for this project, Supporting whole development team.

Environment: C++, perl.;Apache 2.0; Oracle9i,Mysql3.2.x; Redhat Linux

Confidential Windows/Linux System Administrator/Web Master/DBA

Responsibilities

  • Worked as Administrator for the Development Environment.
  • Installation, configuration, deployment and maintenance of JDK1.3/4, Websphere4.0,
  • Apache1.3.x on the remote servers.
  • Deploying the application on Remote servers at clients place and customizing the features as per the
  • clients requirements.
  • Monitoring the application usage, Logged in users using the inbuilt Admin Tool.
  • Oracle/Postgresql database Administration, mails server administration used shell scripts for monitoring
  • server processes and backups.
  • Installation of Apache-JServ 1.1/mod-webapp/Mod-jk for communication of apache and tomcat to execute
  • the servlet and JSP
  • Coordinating with Programmers, uploading the files to production server, setting up the Environment as
  • the clients requirements
  • Monitoring of servers processes(Getting sms if service fails),security and the generated logs.
  • Installing and setup of Jboss application server configuring enjbiz Testing the product and customization.
  • Troubleshooting, customized logs and trained programmers on deployment and assembly of applications.

Environment: J2EE, XML, WebSphere4.0, Tomcat3.x/4.x;MS SQL Server 7.0, Oracle8i, Postgresql7.x; Redhat Linux 7.3/8.0,Windows2000

Confidential Windows/Linux System Administrator/Web Administrator

Responsibilities

  • Installation, configuration, deployment and maintenance of Linux JDK1.3/4, Websphere4/5,
  • Apache1.3.x/Apache2.0 and Tomcat 3.1/4.x on the remote servers
  • Oracle/Mysql/ Postgresql database Administration, mails server administration used shellscripts for
  • monitoring server processes and backups.
  • Installation of Apache-JServ 1.1/mod-webapp/Mod-jk for communication of apache and tomcat to execute
  • the servlets, jsps
  • Coordinating with Programmers,uploading the files to production server,setting up the Environment as the
  • clients requirements
  • 24x7 Monitoring of servers processes(Getting sms if service fails),security and the generated logs.

Environment: Java 1.2/3, JSP, JavaScript, Apache1.3.x with Tomcat3.x; MySQL Server, Postgresql

O/s: Windows 9x/2000,Redhat Linux6.2

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