Summary

• Astute Performance engineer with an extensive track record of improving performance of Systems and Applications. Pivotal resource on capacity planning for organizations to achieve business targets in time and within budget. Skilled Middleware Admin with expertise in various middleware technologies.
• 9 years of experience in Middleware administration specializing in Apache - Tomcat, IBM WebSphere, JBOSS, Web Objects and capacity planning these systems.
• 4 years of experience in lead and Technical Project Management roles.
• Supported numerous web applications running on different technology stacks including setup, deployments, configuration, clustering, performance tuning, troubleshooting and monitoring.
• Experienced in implementing distributed, highly available, clustered environment over a wide infrastructure for high volume and secure transactions involving multiple Operating Systems.
• Capacity Planning: Planned Capacity for a large infrastructure systems by gathering data, long-term trending and extrapolating the gathered data to plan Capacity.
• Implement and support DataPower XI50 and Enterprise Service Bus ESB and Service Oriented Architecture SOA in various environments.

SELECTED ACHIEVEMENTS

• GM: Part of SWAT team, improved chevrolet.com's homepage performance render time by over 50 from 6 secs to 3- secs using various performance tuning techniques.Comcast: Planned capacity for the rapidly expanding X1-platform, created complex Splunk data models and dashboards to assist Sr. management in making business critical capacity decisions.
• WCMC: Migrated all sites/domains 125, jobs, content from a Mac OS based legacy infrastructure to Citrix load-balanced RHEL 6-based web infrastructure.
• Maximus: Improved System and application performance by 30 by mitigating performance bottlenecks using profiling tools, JVM tuning, load testing, architecture change etc.
• Hennepin: Migrated all WAS 6.0 based server infrastructure and applications to WAS 6.1.

PROFESSIONAL EXPERIENCE

Confidential

Capacity Performance Engineer

• Planned capacity for ever expanding Xfinity TV's new X1 platform services SetTop Box, DVR, XBO etc.
• Extensively used Splunk, VMTurbo to measure, analyze current infrastructure capacity and maximize existing capacity utilization.
• Used Dynatrace to measure service KPIs and identify performance bottlenecks and created multiple dashboards for deep-dive analysis of issues, performance bottlenecks etc.
• Planned capacity for XREguide service and other business critical applications, starting from 3 million customers with growth projected to 20 million customers by end of 2016.
• Created data models in Splunk using pivot tables by analyzing vast amount of data and extracting key information to suit various business requirements.
• Created new scripts for Splunk scripted input for collecting CPU, system and OS data.
• Developed new scripts for gathering network and storage inventory data and make Splunk ingest data.
• Installed VMTurbo in all environments to gather statistics, data regarding hardware, storage, IOPS allocations, utilizations and other key metrics.

Environment: Splunk, VMTurbo, DynaTrace, Capacity Planning, Big data, Amazon AWS, Shell scripting, Python basic, RVTools.

Confidential

Middleware Linux Systems Admin

• Migrated all sites domains 125, jobs etc from a Legacy infrastructure mac OS X to Citrix load-balanced RHEL 6-based web infrastructure running Apache 2.2, perl, CGI, php, mysql etc.
• Managed Linux based middleware infrastructure including Installation, configuration and integration with other components includes Apache-tomcat, Jboss, WebObjects, LAMP etc.
• Supported and administer CMS systems in a highly available and scalable environment. CMS systems included Fatwire, Big Medium Movable Type.
• Supported numerous web and CMS systems running on different technology stacks like Tomcat, LAMP, JBOSS etc including setup, deployments, configuration, troubleshooting and monitoring.
• Integrated Splunk into new environment by installing Splunk forwarders on web servers.
• Performance tested sites using Jmeter before the sites are migrated to new environment.
• Regression tested sites using Selenium Firefox plugin before and after migration.
• Installed local SubVersion repositories on new servers to version control configuration files.
• Administer, support and troubleshoot Atlassian systems like Jira Confluence.
• The migration project followed Agile methodologies including the use of KanBan boards/cards.
• Migrated Drupal-based sites to Pantheon's cloud-based Web Services.
• Setup and manage timely backup/restoration of systems using Tivoli Storage Manager TSM .

Environment: Apache 2, Tomcat, Jboss, WebObjects, ColdFusion, Movable Type, CMS, FatWire, Big Medium, Shibboleth, Red Hat Linux, Splunk, Selenium, Jmeter, Subversion, CFEngine, New Relic.

Confidential

Lead Middleware Application Systems Admin

• Worked in lead role with both on-site and off-site teams for various operations.
• Improved performance of applications and systems by 30 by identifying the bottlenecks with the help of various profiling tools in performance improvement initiatives.
• Migrated application systems to newer versions of Apache and Tomcat. Installed more than 50 Apache and Tomcat instances.
• Initiated and completed the Apache standardization quarterly initiative that improved web server performance by 15 across all the projects.
• Liferay 6 administration duties including patching, deployments, setting up high availability.
• SSL: Created certificate-signing requests CSR , server keys, self signed certs during various SSL configurations. Installed signed certs for application https functionality.
• Installed, configured Kofax Systems for various State and integrated them to internal Document management systems DMS . Work involved deployments, new installations, troubleshooting.
• Setup configure internal Document Management Systems DMS tied to Kofax services.
• Installation and initial setup of ImageTrust software for high volume scanning operation.
• Implemented Gazzang, a transparent data encryption solution, to encrypt all databases and Key Storage System that provided both dual authentication and high availability.
• Administer Moveit, which is an enterprise-class secure solution for Managed File Transfer.
• Monitor and analyze performance data of applications and ensure that the system is consistent with ongoing need using Jconsole, Hyperic and MAT.
• Integrated J2EE applications with Interactive voice response IVR and Automatic Call Distributor ACD systems.

Environment: Apache, Tomcat, Linux RHEL, shell Scripting, Liferay 6, Microstrategy 9, Comodo, Imagetrust, Kofax 9/10, Gazzang, Php, Jprofiler 7, IIS 6.0, OpenSSL, Jconsole, Jira, LAMP, Hyperic, MySql, Web Services, Oracle Forms Reports, DMS, Reveille, Zeus Load balancer.

Confidential

Web Master WebSphere Apache Tomcat

• Worked in SWAT teams, with the goal of improving performance of chevrolet.com. Reduced the home page average render time from more than 6 secs to less than 3 secs.
• WebSphere Application Server WAS 6.1 Administration, configuration, problem resolution and its related documentation.
• DataPower XI50 appliance Overall administration, configuration, security, maintenance, problem detection and troubleshooting.
• Apache Tomcat Complete admin experience starting from creating new server instances, application deployment, configuration changes and overall support and maintenance.
• Performed code and content deployments, troubleshooting application and server issues.
• Akamai Configuration, traffic management, site acceleration, reports and overall administration via Akamai's edge control portal.
• WebSphere Enterprise Service Bus ESB as part of Service Oriented Architecture SOA Overall administration, configuration, maintenance, problem detection and troubleshooting.
• Played major role in Workload Management and Performance Tuning fine-tuned and profiled applications, web servers, JVMs heap, memory, GC, web container threads etc.
• Performed middleware patching, load testing and performance tuning on Linux and AIX systems.
• Configure Security SSL, administrative, application as per the requirements.
• Monitored applications, servers using monitoring tools like Nagios, Keynote and Gomez for problem identification and resolution.

Environment: Akamai, Apache, Tomcat 6, DataPower XI50, IBM WAS 6.1 ESB 6.1 on AIX 5.3, DB2 UDB 7.2, Red Hat Linux RHEL 5, SOA, WebServices, shell Scripting, Day CQ, Hudson, Open LDAP, Keynote, Gomez, Nagios, Sitescope, Jprofiler5, Maven, ISA, RackSpace, XML, MS SharePoint.

Confidential

WebSphere Admin Technical Project Manager

• WebSphere Application Server 6.1-administration experience added by strong configuration, problem resolution and its related documentation skills.
• Worked as WAS Admin and Project Manager on the WAS 6.0 to 6.1 migration project early 2008 that saved county nearly 50,000 on additional resource costs.
• As member of the Hennepin's WAS architecture team, planned, proposed and designed the WAS infrastructure depending on existing requirements and future goals.
• Installed and configured IBM WebSphere Application Server 6.1 on VMware Windows 2003 for Development, Test, UAT and Production environments.
• Worked on high-complexity Hennepin Justice Integration Project HJIP, which involved integrating various departments of the county and the state of Minnesota.
• Participated in Disaster Rescue and Recovery mock operations, which are conducted once every six months in Hennepin County's IBM Rescue and Recovery center.

Environment: IBM WAS 6.1.0.17, ESB, WebSphere MQ 6.0.2.3, WebSphere Message Broker WMB 6.0.0.6, JMX, JMS, DB2 7.2, z/Linux, SQL, IBM HTTP Server, Remedy, LDAP, Service Oriented Architecture SOA, Clearcase, Remedy, Nagios, MS SharePoint.