SUMMARY

• Good Experience in BEA Weblogic Server, Jboss Application server, Tomcat Servers and Apache web servers. Hands on experience in configuring clustered Jboss Environment (Horizontal/Vertical Scaling). Configured Multiple Jboss instances on single server.
• Expertise on implementation of Middleware solutions using Oracle fusion Middleware.Oracle SOA suite 11g. Extensive experience in Implementation, Customization, Production and Support of Oracle Middleware Applications, including patching, migration.
• Strong experience in administering and configuring teh monitoring tool like Nagios, Ganglia, Jboss operations network, Hobbit, Jconsole, and GCviewer.
• Expertise in AWS services (EC2, S3, CDN).AWS cloud computing platform, and its many dimensions of scalability - including but not limited to: VPC (Virtual Private Cloud), EC2, load-balancing.
• Good Experience in installing & Integrating Apache web server wif Jboss/Tomcat application server using mod jk Modules. Has experience in compiling/installing php as module in apache.
• Good experience as a Unix Administrator wif expertise in major flavors of UNIX Solaris (2.8/9/10), Red Hat Linux AS 3.x/ 4.x/5.x, Ubuntu server 8.0.4.
• Good experience as a Jboss/Weblogic Administrator wif exposure to Clustering configuration, Performance Tuning and Load testing on Solaris 8 & 9 Servers.
• Good experience in UNIX (Solaris 2.7, 8, 9, Linux 7.x, 9.0) System Administrator wif hands on experience in NFS, NIS, DNS, and Solaris Volume Manager.
• Installed & Configured teh MySQL Server on Linux & Solaris Server. Has good noledge and experience in MySQL Database Querying.
• Result Oriented EAI Enterprise Application wif 3+ years wif Oracle Fusion SOA products(BPEL, OSB, Mediator, Adapters, AIA, SOA Server) 10.x and 11.x.
• Extensive Experience in Designing, Developing Business Processes and SOA based Integration Architecture. Involved in providing training on Oracle SOA based components.
• Strengths include strong customer interface and problem-solving skills, requirement analysis, designing and programming.
• Experience in Perl, Korn, Bourne Shell, php, ruby scripting. Wrote several shell scripts to automate routine tasks like deployment teh build/package across clustered JBOSS instance. Scripts to monitor teh thread status of each jboss instance & notify if it exists teh threshold.
• Good experience in Akamai configurations for high traffic web application. Experience in Installing/configuring/ Administering Content Management system (Wordpress, Drupal, Joomla) in Linux environment. Providing 24/7 Production support.

TECHNICAL SKILLS

Operating Systems: Solaris8/9/10,RedHat/SuSe Linux AS, Red Hat Enterprise Linux.

Networking tools & Protocols: NIS, NFS, DNS, Send mail, and LDAP. TCP/IP, FTP, TFTP, ARP, RARP, DHCP, and SMTP

Languages: Perl, Bash, Ksh, Php, Ruby

Middleware Solutions: JBOSS EAP/EWS Apache, Tomcat, Oracle HTTP Server, Oracle Weblogic, Oracle Fusion Middleware, Oracle SOA Suite 10g/11g Oracle BPEL, ESB, OSB, BAM, OWSM, WebServices XLST, XPATH, XQuery, XML technologies Java/J2EE technologies, Sun one Web server, Jetty, Hadoop, SSO, RSA.

Monitoring: Nagios, Jboss operations network, Ganglia, Hobbit, GCviewer, Splunk

PROFESSIONAL EXPERIENCE

Shared Services Engineer

Confidential

Responsibilities:

• Involved in setting up AWS EC2 Instance, S3 Buckets, Elastic Load Balance, Virtual Private Cloud (VPC).
• Implemented vfabric-web-server apache fronts wif RSA/ISSO configuration.
• Installed & Configured SpringSource Tomcat app Instance for various internal/External Project.
• Managed Large Web/App farm for teh Internal Java Application
• Managing Middleware Platform. Consists of apache, tomcat, weblogic, MySQL, SFTG, RSA, OKTA, Jboss, F5, Hadoop, etc.
• Configured Apache using mod jk/mod proxy for loandbalancing teh request to Appserver.
• Attending Weekly Change Management Meeting for teh upcoming PROD/DR changes
• Managing ActiveMQ for Messing Platform for Various end Client. Involved in configuring OSB (Oracle Service Bus) for Messaging communication.
• Configured Single Sign on Using ISSO/RSA engine for ISSO authentication/Authorization.
• Actively using Kanban/SCRUM in teh Work to make sure teh tasks are performed.
• Performed FogLight Installation on appserver to monitor teh statistics of teh application.

Systems Analyst

Confidential

Responsibilities:

• Involved in Installing & configuring teh collaboration tools, atlassian confluence, Issue tracking systems.
• Installing & configuring teh LDAP servers for teh User Identity, Single Sigh on SSO configuration on teh front end web server.
• Working wif network team to enable teh Firewall setting for teh web to app server. Enabling teh Traffic control from LTM (Local Traffic Manager, in between teh Single data center) & GTM (Global Traffic Manager, Between 2 different data center.)
• Design, investigation and implementation of public facing websites on Amazon Web Services (AWS)
• Cloud solution architecture on Amazon Web Services
• Has designed and implemented scalable web applications based on EC2, wif fully automated deployment and control systems
• designed and implement scalable, secure cloud architectures based on Amazon Web Services. Leveraged AWS cloud services such as EC2; auto-scaling; and VPC (Virtual Private Cloud) to build secure, highly scalable and flexible systems that handled expected and unexpected load bursts, and are able to quickly evolve during development iterations
• Amazon EC2(virtual servers),Amazon Linux,Auto Scaling,Elastic Load Balancing,Amazon CloudFront(CDN),Amazon CloudWatch(monitoring),Amazon VPC(private cloud),Amazon S3(storage),Amazon EBS(persistent disk storage)
• Participating in teh weekly change management meeting to go over teh Production Change.
• Experience in setting up Pinnacle application on Oracle Middleware Instance. (i.e Oracle HTTP Server.)
• Extensive experience on installing & configuring Oracle Middleware instances.(GlassFish, Weblogic )
• Involved in configuring teh Tomcat environment for teh FAR (Faculty Archive Report) application.
• Install and updating patch, security fixes on Jboss EAP servers, Jboss Operation network (JON), apache, php, and ColdFusion servers. Configuring and enhancing monitoring intelligence using Nagios for production application.
• Troubleshooted network problems using ping, finger, traceroute, ifconfig, rpcinfo, nslookup, snoop and rpcinfo.
• Researching teh log analysis tools (splunk) to get teh developer easy access of teh development logs.
• Installing Digi-Cert for teh secure application (HTTPS, Openssl).
• Providing Technical support & 24x7 Production support for teh Portal application. (myumd.edu).
• Implemented automated scripts to monitor teh Application server status, Installed Monitoring Server JON to monitor teh Jboss, Tomcat instances.
• Involving in tuning teh Production application by adjusting JVM arguments for each application server instance.

Sr, Systems Engineer

Confidential

Responsibilities:

• Configuring and changing teh Akamai caching configurations according to teh business requirements. Involved wif teh networking team in deciding firewall policies, DMZ configurations and troubleshooting networking issues wif respect to teh application.
• Participated in setting up Document server (wiki); to manage/record teh entire configuration details & Implementation steps.
• Configured Clusters on application server (JBOSS). Worked wif all teh Server Configuration (all, Default, Standard, Minimal) Modules on JBOSS 4.x/5.x.
• Configured Oracle HTTP Server 11 g, based on Apache 2.2 infrastructure, and includes all base Apache modules and modules developed specifically by Oracle for UniversityCurriculummanagement system.
• Experiencein Content Management solution using Oracle Middleware Server (WEB tier) for Static and Dynamic Content.
• Installed & configured Oracle Weblogic Server for Enterprise Java Application.
• Install patch and security fix on Jboss EAP servers, Jboss Operation network (JON), apache, and php. Configuring and enhancing monitoring intelligence using hobbit tool and customizing teh same for teh production
• Monitoring and alerting. Analyzing and evaluating migration strategies from Apache/tomcat to Web sphere application server.
• Producing reports about teh website usage, caching bandwidth usage etc. to teh business and higher level. Configuring SSL certificate for teh website and extending teh same when it expires.
• Configured Clustered wif Multicasting Heat Beat. Configured and maintained teh services using LDAP server to provide teh centralized user account administration.
• Infrastructure Architecture responsibilities for setting up new Jboss Enterprise Web server environments from development to production environment, Also providing teh production support (on-call rotation).
• Installing/configuring teh Jboss operations network to manage teh clustered Jboss environments & monitoring teh details resources metrics.
• Gomez setup for teh production environment to test teh performance of teh application/systems from teh different geo-location.

Sr, Systems Engineer

Confidential

Responsibilities:

• Support enterprise production J2EE environment, including deployment design, configuration & co-ordination of implementation events.
• Support performance/load-test J2EE test environment, including performance analysis & optimization, failover testing, and diagnosis/resolution of application stability issues.
• Infrastructure Architecture responsibilities for new development, including clustering, failover, messaging, networking, and proxy configuration.
• Java/J2EE system expert, diagnosing issues involving resource management, garbage collection to standard protocols / coding practices.
• UNIX technical expert, providing consultation on issues involving scripting, environment settings, system configuration, and software compilation.
• Participated as key Infrastructure representative in upgrade of enterprise application from Jboss 4.3.0 to Jboss 4.3.0-CP06.
• Involved in web server migration. From teh legacy Sun One web server to apache web server. Responsible for installing, configuring and setting up teh applications wif apache, tomcat, jboss, mod jk in
• Development, staging, Cache-Testing and Production environments.
• Configured teh Clustered Jboss environment for teh CAS (Central Authentication Service) application. Integrated LDAP Directory Server wif Jboss Operations network for teh centralized authentication.
• Worked on SOA platform and SOA implementation technologies like Oracle Service Bus (OSB), Oracle Business Process Execution Language (BPEL), Oracle Data Integrator (ODI), Oracle Web Services Manager and other technologies that fall under Oracle SOA Suite and Oracle Fusion Middleware.
• Work wif network team to has teh correct Firewall Rule in place for teh application/ Monitoring buckets. Automating teh deployment task using teh deployment tool (cruise control open source), Ant script & bash scripts.
• Configuring teh global JNDI resource for teh datasource on Jboss EWS (wif tomcat v 6.x).
• Enabling teh SSL on teh apache web for teh secure instance.
• Responsible for Nagios monitoring of 50+ hosts, setting up teh services, threshold, etc.

Sr, Technical Systems Analysts

Confidential

Responsibilities:

• Installed, configured and maintained teh production stable Jboss 3.2.6 Instance Server on Physical Servers for production Environment and VMware for stage, Dev Environment.
• Involved in configuring teh connection Factory, JDBC datasource on Jboss application server. Also configuring Http Session replication on Jboss 4.x.
• Compiled & installed apache & PHP wif necessary Module like “libxml2, mysqld, etc.”
• Involved in Compiling & Installing open source monitoring tool called Hobbit 4.2.0 to collect teh important Metrics - Process count, Memory Usage, Swap usage, oracle DB session count, Disk Usage level, etc. Also configured hobbit so that it will send a page if anything goes beyond teh specified Threshold.
• Thread-dumps analysis using teh tool samurai. Installed tomcat instance in Vertical/Horizontal scaling to balance teh load nearly 1⁄2 Million hits per day.
• Involved in Performance tuning teh Jboss Instance & Tomcat Instance for teh production.
• Involved in configuring Squid Server as proxy server also for Caching Server. Performed squid Purge in teh release period.
• Installed Perl Script to get teh Daily Web Activity report based on teh hits. Installed Perl scripts to identify teh performance of Garbage Collection.
• Configured teh web services on teh Jboss Instance. Configured teh Mod jk & teh workers. Properties to point teh service URL. Tuned teh Application performance by setting teh JVM heap size (Xms, Xmx), increased teh Thread count and changed teh TCP parameter value for tcp time wait interval.
• Has good experience in Apache administration, integrating teh Apache & Jboss in Production wif horizontal load balancing Technique.
• Worked as 24x7 Support for Prod environment. Has been in teh on-call rotation for Prod environment.
• Installed, configured and maintained teh Jboss server on Sun Solaris, Red Hat Linux for production, development and staging also involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
• Implemented automated scripts to monitor teh Application server status, Installed Monitoring Server JON to monitor teh Jboss, Tomcat instances.
• Involved in tuning teh application server to teh Max Performance by adjusting JVM Memory Setting. Hands on experience wif teh Perl, Shell, Korn, Awk scripting Languages.
• Configured Twiddle “Command line utility” for Jboss application server to get teh JMX mbean status. Good experience wif Jmeter testing. Worked wif JMX-console to monitor teh Jboss parameter values like memory
• usage or JCA connection Details. Installed & Configured LDAP server wif I-planet & Jboss Application server.

Sr, Technical Systems Analysts

Confidential

Responsibilities:

• Installed, configured and maintained teh Jboss 3.2.3/3.2.6/4.0.2/4.0.4 Server on SUN solaris10 virtual zones for production, and staging also involved in configuration management, software deployment, change management, performance monitoring, and application maintenance.
• Installed & Configure teh JON (Jboss Operation network) to monitor teh Production servers by collecting different metrics. Like CPU usage, Swap Usage, Transaction Committed, Transaction Role backed. Installed JON on Virtual zone & none Zone Environment.
• Configured Jboss Application server in teh Cluster environment for teh Search engine contact Center Tool (Intranet)
• Configured alerts wif teh Threshold level to automate if any thing beyond teh threshold value on JON Monitoring Tool. Worked on D-trace to monitor teh Performance of teh application & teh Kernel Level values.
• Configured Course Grain Access Control for teh JMX-Console on Jboss 4.0.4 & 3.2.3, wif SUN one Directory Server 5.2. Configured LADP server wif teh Jboss for teh Secure JMX-Console.
• Configure teh Jboss Instances in teh heterodyne environment to communicate between teh jboss instance. Experience on log4j administration wif various log level.
• Installed teh Seebeyond to communicate jboss and mainframe for batch process. Configured Registry Host & teh Participating Host in teh dev environment.
• Configure teh JON Agent to Communicate wif teh JON server. Configured each Jboss instance to get teh tomcat metrics on Jboss 3.2.3 wif tomcat 4.1 & Jboss 4.0.3 wif Tomcat 5.5.
• Troubleshooted network problems using ping, finger, traceroute, ifconfig, rpcinfo, nslookup, snoop and rpcinfo. Created and modified swap files and added swap space using swap - a and -l.
• Tuned teh performance of teh Web server by modifying teh JVM memory parameter values. Troubleshoot teh failure conditions by viewing teh error logs in teh server log files.

Sr. System Administrator

Confidential

Responsibilities:

• Used Administration Console and Weblogic Admin utility to configure and administer teh Weblogic Administration Server and Managed Servers. Monitored teh Performance tuning, load testing and problem analysis of teh Enterprise J2EE applications configured on Weblogic 8.1. Configured & Deployed .war, .jar and .ear files.
• Performed and maintained Clustering on Weblogic Application Server 8.1. Configured Clusters wif Multicasting Heartbeat. Configured Clustered wif Multicasting Heat Beat. Configured and maintained teh services using LDAP server to provide teh centralized user account administration.
• Configured teh Node Manager, to manager teh Managed servers in teh remote location. Configure teh Node manager wif SSL. Tuned teh Application performance by setting teh JVM heap size (Xms, Xmx), increased teh Thread count and changed teh TCP parameter value for tcp time wait interval.
• Installed & Configured teh Tomcat Web server on Red Hat 7.3 & Sun Solaris 8. Configured SSL on Tomcat Server. Configured Clusters on application server (JBOSS). Worked wif all teh Server Configuration (all, Default, Conf, Minimal) Modules on JBOSS 4.0.
• Monitored teh error log files, fixed teh problems and tuned teh performance by setting teh tuning parameters on Weblogic environment. Developed scripts to check teh /var directory log files and trim them regularly. Also wrote Shell script to check mail directories of teh users and to remove teh mails wif teh user’s consent.
• Used Administration Console and Weblogic Admin utility to configure and administer teh Weblogic Administration Server and Managed Servers. Involved in monitoring teh performance of Memory, CPU, I/O Devices and Network using commands like ps, vmstat, iostat, netstat, snoop, nfsstat, spray, and uptime. Wrote Shell scripts to monitor system activity, Disk activity and application process.
• Involved in monitoring teh performance of Memory, CPU, I/O Devices and Network using commands like ps, vmstat, iostat, netstat, snoop, nfsstat, spray, and uptime. Wrote Shell scripts to monitor system activity, Disk activity and application process

System Administrator

Confidential

Responsibilities:

• Installed and Configured Solaris 2.7, 8 and 9 on Sun Enterprise servers, Sun Ultra Sparc servers. Installed IBM- AIX 5.2 & Red Hat Linux 7.3 on IBM P-Series Servers and Intel Pentium servers. Established a heterogeneous Network comprising of Solaris, AIX, Red Hat Linux and Intel machines.
• Performed Custom Jumpstart Installation for teh SUN Servers over network and maintained install server, boot server, and Configuration server. Wrote various pre and post installation scripts.
• Performed kickstart Installation for teh Linux on Intel server & teh IBM eServer over teh network. Configured teh DHCP server over teh Network. Installed packages and patches in Solaris 8. Installed and updated rpms in Red Hat Linux.
• Setup IP addresses using ifconfig utility. Configured UNIX boxes as Routers, and setup Gateways. Troubleshooted network problems using ping, traceroute, snoop and rpcinfo.
• Prepared Backup Schedule for Incremental and Cumulative Backups. Used tar, cpio, dd, ufsdump and ufsrestore for backing up and restoring files wif different levels of backup methods.
• Used patchadd command to add patches. Installed required patches during teh third party software installation. Used smpatch to add, remove, analyze and update patches.
• Involved in monitoring teh performance of Memory, CPU, I/O Devices and Network using commands like ps, vmstat, iostat, netstat, snoop, nfsstat, spray, and uptime. Wrote Shell scripts to monitor system activity, Disk activity and application process.
• Configured NIS Master Server and Slave Servers and setup NIS clients in SUN machines. Customized teh Makefile to include more NIS services and also managed NIS maps. Promoted slave servers to master servers when required.
• Setup NFS Servers, Diskless clients and Auto clients and auto mounted teh file systems using direct and indirect maps. Also setup entries in /etc/dfs/dfstab and mounted teh disks onto teh client systems. Used automounter to mount a user home directory.