Systems Engineer Application Support Resume Profile
Centennial, CO
Summary:
- Over Sixyearsof 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 Solarisand Windows 2003/2008 server platforms.
- Performance Tuning: Ensured that assigned systems were engineered, configured and optimized for maximum functionality and availability.Implemented solutions that reduced single points of failure and improved system uptime to 99.9 availability.
- Project Management: Experience in Leadingtechnical team, oversaw major server upgrade project WebLogic 8/9 to WebLogic 10and integrated new technologies into existing data-center environments. Hand on experience in handling sprints and attending scrum calls in agile environment.
- 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 that upgraded Solaris 8 to Solaris 10
- Interacted with 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.
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:
Confidetnial
Role: Systems Engineer Application Support
Roles Responsibilities:
- Expertise in administering WebLogic/tomcat servers in a clustered and non-clustered environment.
- Providing 24/7 support to Production environment Service Desk for allOSS related applications.
- Experience in coordinating and handling the National Operations health check call for all business critical applications, following up and communicating with 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 resolveIPC 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: WebLogic10.3/9.2/8.1, 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.
Confidetnial
Role:System Engineer/Analyst Application Support Configuration Management
Roles 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 that 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 with 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 with 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 with 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 with BEA and SUN and driving them to conclusion.
Environment: WebLogic10.3/9.2/8.1, 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.