SUMMARY

• Over Six years of experience in Information Technology industry mainly as Systems Engineer mainly on Linux, Sun Solaris & Windows Environments.
• Extensive experience in Oracle WebLogic Administration, Management, Monitoring Troubleshooting and maintenance on WebLogic Servers 8.1/9.2/10.3 on Linux, UNIX, Sun Solaris and Windows 2003/2008 server platforms.
• Project Management: Experience in Leading technical team, oversaw major server upgrade project WebLogic 8/9 to WebLogic 10 and integrated new technologies into existing data - center environments. Hand on experience in handling sprints and attending scrum calls in agile environment.
• Performance Tuning: Ensured dat assigned systems were engineered, configured and optimized for maximum functionality and availability. Implemented solutions dat reduced single points of failure and improved system uptime to 99.9% availability.
• Troubleshooting: Rectified many issues by instituting best practices in system log analysis, backups, network operating center security, user account/permissions management and systems/software auditing.
• Experience working in a team dat upgraded Solaris 8 to Solaris 10
• Interacted wif Oracle WebLogic Technical Support Team in resolving the WebLogic critical issues, and used to follow up on the opened tickets (Oracle case), by analyzing the respective thread dumps and configuration files.
• Expertise in documenting the work Ex: Health check documents, Change Activity Task plans etc.
• Extensive experience in using Microsoft SharePoint software using Office 2010 & internal wiki pages.

TECHNICAL SKILLS

Operating System: Linux, UNIX, MAC-OSX and Windows Servers 2003/2008.

Database: Oracle RAC Cluster, Oracle 10g/9i, MySQL, MS SQL & DB2.

Languages: JAVA, C++, C, SQL and PL/SQL

Scripting: Java Script, VB Script, Shell Scripts and Perl scripting

Web/App Servers: IIS 5.0/6.0, WebLogic 10.3/8.1/7.0/ , Tomcat, Apache, IPlanet

Web Technologies: HTML, PHP, CSS

GUI: Microsoft Expression Web, Adobe Dreamweaver

PROFESSIONAL EXPERIENCE

Confidential, Centennial, CO

Sr. Systems Engineer

Responsibilities:

• Expertise in administering WebLogic/tomcat servers in a clustered and non-clustered environment.
• Providing 24/7 support to Production environment Service Desk for all OSS related applications.
• Experience in coordinating and handling the National Operations health check call for all business critical applications, following up and communicating wif different teams to get the required updates.
• Hands on experience in leading a change management bridge over night to get updates on the changes performed across different application platforms and consolidate those into a report and send it to the higher management.
• Experience in handling the 7 day (1 week) 24/7 on call rotation pager and handle SEV1 /SEV2 bridges for the applications which we support until the issues are resolved.
• Experience in attending a morning scrum and providing the necessary updates for previous 24 hrs.
• Extensive experience in leading/organizing a 2 week sprint to give hands-on training to offshore personal (selected applications in Phased manner).
• Expertise in attending Change GO/NOGO (Task plan) calls to determine timeframe for each step and finalizing the task plan days before the scheduled deployment change activity
• Experience in handling the night shift App/DB activities and troubleshooting network issues.
• Monitor, Track, Update and resolve IPC Tickets, SR and SI tickets for sending out SAMS as required in Production environment.
• Experience to continuously monitor CPU/Threads other statistic on Wiley on second monitor exclusively set up for monitoring.
• Hands on experience in installation of SSL digital certificates and key stores.
• Involved in different change management activities and tried to troubleshoot any deployment issue hindering the CM progress and make decisions about rollback/back out.
• Identifying performance problems recommend corrective actions and take actions on approved recommendations such as evaluating Disk Storage, archive jobs, log archiving and performing daily Health Checks.
• Automation of servers recycles during the night maintenance window and Health Checks.
• Writing and maintaining Shell/Perl scripts for Logs archival, monitoring disk space, instance health, instance restart/startup/shutdown scripts and also setting up in crontab as per requirement.
• Experience in writing SQL Queries to pull reports accordingly to find out where the issue lies or what exactly is causing the issues.
• Expertise in documenting problem solutions, major configuration changes and system architecture changes.

Environment: WebLogic 10.3/9.2/8.1 , Tomcat 5/6, Jboss, Apache, Oracle 10g, Glassfish, Java, J2EE, Windows 2003/2000, Sun Solaris 8/10, Linux, Shell/Perl Scripting, RabbitMQ, Spectrum, BMC Remedy, CSS, CGI, Wiley, Microsoft SharePoint, Microsoft Expression web, Oracle SQL Developer.

Confidential, Irving, TX

System Engineer/Analyst III

Responsibilities:

• Extensive Experience in Configuration, maintenance and monitoring the WebLogic 8.1/10.2 servers.
• Hands on experience in deploying applications to WebLogic Server instances.
• Involved in different change activities and tried to troubleshoot any deployment issue hindering the CA progress.
• Expertise in attending Change GO/NOGO (Task plan) calls to determine timeframe for each step and finalizing the task plan days before the scheduled deployment change activity
• Experience in planning and working towards any kind of downtime required for the application servers on bridge calls.
• Hands on experience in handling the release/code evaluation on the morning after the changes were pushed.
• Experience working in a team dat migrated Solaris 10 to Red Hat Linux on prod application servers.
• Troubleshoot different kinds of WebLogic as well as application issues by studying the thread/heap dumps and if needed worked wif Oracle team to resolve issues.
• Resolved problem of WebLogic Server not coming up. SerializedSystemIni.dat file was zero bytes copied the file from backup & make sure the WebLogic Server came up.
• Experience wif JVM and WebLogic tuning utilizing verbose GC logs, Visual, JVM Stat, GC logs.
• Developed Menu driven scripts for code drops, software installation and night recycles.
• Automation of servers recycles during the night maintenance window and Health Checks using crontab.
• Working closely wif DBA’s, Development teams and Managers to resolve any issues.
• Installed BMC Patrol Monitoring Agent and configured the WebLogic servers CPU’s idle threads heaps etc. Created a profile (dashboard) to view everything on a single window
• Opening cases wif BEA and SUN and driving them to conclusion.

Environment: WebLogic 10.3/9.2/8.1 , Oracle 10g, iPlanet 6.1/5.1, Java, J2EE, Windows 2003/2000, Sun Solaris 8/10, Linux, Shell/Perl Scripting, BMC Remedy, JavaScript, CSS, CGI, Microsoft Office, Microsoft SharePoint, Microsoft Expression web, Toad, Spectrum.