Senior Systems Engineer Resume
Atlanta, GA
SUMMARY
- About 12 years of experience including infrastructure administration on AIX, Linux, Sun Solaris, and Windows NT/2000/2003.
- Extensive experience in WebSphere Administration in supporting and maintenance of distributed J2EE applications including Application Deployment, Performance Tuning and troubleshooting.
- Experience in WebSphere Network Deployment Administration using adminconsole, wsadmin command line tools and wsadmin (Jython/Jacl) scripting.
- Experience in the installation, configuration and administration of IBM WebSphere 7.x/6.x/5.x/4.0 running on AIX, Solaris, Linux and Windows.
- Expertise in cloning (clustering), load balancing, security of WebSphere Administration and support.
- Experience in the installation, configuration and administration of WebSphere MQ 7.x/6.x on Windows and AIX platforms.
- Experience in WebSphere Process Server 6.0.2 Administration.
- Experience in using Tivoli Performance Viewer (TPV) and Tivoli performance advisor for performance tuning of WebSphere.
- Experience in writing automation scripts using bash, korn and perl scripting languages.
- Experience installing and configuring Netegrity Siteminder web Agents.
- Extensive experience in IBM pSeries servers, RS/6000 platforms and have experience in Configuration, Installation and Administration of AIX.
- Working knowledge of TCP/IP, NIS/NIS+, NFS, DNS, SNMP, Auto mounts, Send mail and Print servers.
- Excellent problem resolution and communication skills with ability to work under pressure in a highly visible role.
- Worked in both test and production environments on a 24/7 basis.
TECHNICAL SKILLS
Operating Systems: IBM AIX (4.3/5.x/6.x), Linux (Red hat), Sun Solaris 2.5/2.6/7.0/8.0/9.0 Windows 03/00/NT4.0
Application Servers: WebSphere Application Server (4.0/5.x/ 6.x/7.x), WebSphere Process server 6.0.2 IPlanet web server 5.1/6.0, Apache Web Server, IBM HTTP Server
Languages: JavaScript, HTML, JAVA, C, C++, Perl, Shell programming
Databases: Oracle 7.x/8.0,9.0 DB2, MS SQL SERVER 7.0/2K.
Networking: TCP/IP, SNMP, IS - 41, CSS, GSS, Firewalls, Proxy servers
Other Skills: HACMP 4.5, Hummingbird exceed tools, Netegrity Siteminder, Tivoli Access Manager, WebSphere MQ
PROFESSIONAL EXPERIENCE
Senior Systems Engineer
Confidential, Atlanta, GA
Responsibilities:
- Responsible for installing/configuring/patching and administering WebSphere 5.x/6.x/7.x/8.x environments, setting up security, DB and MQ configurations for various customer environments hosted in the datacenter.
- Responsible for developing Jacl/Jython/Shell scripts to automate various tasks.
- Responsible for providing support to the various application teams to resolve issues and helping the teams with migration of applications to the newer versions of the application environments.
- Responsible for installing, configuring, troubleshooting and applying licenses for Actuate 8/9/10/11 reporting environments on Windows and AIX platforms.
- Responsible for configuring proxies to load balance requests.
- Responsible for analyzing data related to WebSphere application servers, webservers, real-time proxies, actuate reporting servers and other components in the muti-tier to identify issues related to slowness and other connectivity issues in a multitier environment.
- Responsible for troubleshooting problems related to application environments by analyzing Heap dumps, Java cores and logs gathered from incidents.
- Responsible for opening PMR’s with IBM and trouble tickets with other vendors to troubleshoot issues.
- Responsible for the installing, configuring, administering and troubleshooting WebSphere MQ Server 6.x/7.x and MQ Clients for several environments on Windows and AIX platforms.
- Set up MQ clusters, Multi instance Queue Managers in the environment.
- Responsible for automating setup of configuration using MQSC scripts.
- Responsible for attending team/project meetings to discuss various issues and enhancements related to the environments and timely completion of projects and documentation of procedures.
Environment: Aix5.3/6.1/7, WebSphere Network Deployment 8.x/7.x/6.x/5.x, WebSphere MQ 8.x/7.x/6.x, Tomcat, IBM HTTP Server, DB 2 8.0/9.5/9.7 , Cisco CSS, Actuate 8/9/10/11, BMC monitoring Tools, Apache Proxy servers.
Systems Engineer
Confidential, Atlanta, GA
Responsibilities:
- Was responsible for supporting several customer WebSphere environments on a daily basis.
- Responsible for installing and configuring WebSphere 5.x/6.x/7.x environments in a high availability configuration using a combination of vertical and horizontal clustering, setting up security, DB and MQ configurations.
- Was responsible for developing jacl scripts to automate various tasks.
- Set up UNIX shell scripts to automate recycles and perform other tasks in the environment.
- Was responsible for applying fix packs and coming with a procedure to apply fixpacks that was used by other members of the team to apply fix packs on other environments in the data center.
- Was responsible for troubleshooting problems related to OutofMemory, hung jvms, high CPU and other issues by analyzing jvm logs, Heap dumps and Java cores.
- Identified and classified various issues related to JVM memory leak issues and identified the code fragments from analysis of heap dumps and opened tickets with development team to resolve issues.
- Provided recommendations on heap sizing/heap fragmentation and other heap related issues by analyzing garbage collection log and heap dumps.
- Responsible for providing support to the various application teams to resolve issues and helping the teams with migration of applications to the newer versions of the application environments.
- Was responsible for installing, configuring and troubleshooting Actuate reporting environments.
- Was responsible for analyzing data related to webservers, realtime proxies to identify issues related to slowness and other connectivity issues in a multitier environment.
- Was responsible for opening PMR’s with IBM and trouble tickets with other vendors to troubleshoot issues.
- Worked in close coordination with System Administration, Database, Networking, Security, Storage, etc to accomplish daily tasks and resolve issues.
- Was responsible for the installing, configuring, administering and troubleshooting WebSphere MQ Server 6.x/7.x for several environments on Windows and AIX platforms in a high availability configuration.
- Setup SSL between queue managers to secure communication.
- Installed MQ Client 7.x on AIX platforms.
- Was responsible for automating setup of configuration using MQSC scripts.
- Was responsible for training team mates on analysis of Application Server, MQ and Actuate issues.
- Attended team meetings and project meeting to discuss various issues and enhancements related to the environments.
- Was involved in documenting the various tasks and procedures and keeping track of the changes in the environment.
Environment: Aix5.3/6.1, WebSphere Network Deployment 7.x/ 6.1/6.0/5..0.2 , WebSphere MQ 6.x/7.x, Weblogic, Tomcat, IBM HTTP Server, DB2 9.7/9.5, monitoring Tools, Apache proxy servers
Systems Engineer
Confidential, Tampa, FL
Responsibilities:
- Was responsible for installing/configuring and administration of WebSphere 5.x/6.x environments at client locations using clustering to provide high availability.
- Was responsible for developing scripts to automate various tasks using Jacl/Unix shell scripting.
- Was responsible for troubleshooting problems related to OutofMemory, hung jvms, high CPU and other issues by analyzing jvm logs, Heap dumps and Java cores.
- Was responsible for automation of various tasks on 5.x environments and resolution of several issues.
- Was responsible for opening PMR’s with IBM and trouble tickets with vendors like RSA to troubleshoot issues.
- Worked in close coordination with other teams to accomplish daily tasks and resolve issues.
- Was responsible for training team mates on analysis of Application Server and Actuate issues.
- Attended team meetings and project meetings to discuss various issues and enhancements related to the environments.
- Was involved in documenting the various tasks and procedures and keeping track of the changes in the environment.
Environment: Aix5.3, WebSphere Network Deployment 6.0/5.0.2, Weblogic, Tomcat, IBM HTTP Server, DB2 8.0, and monitoring Tools.
Software Engineer
Confidential, NEWARK, DE
Responsibilities:
- Was primarily responsible for the administration/migration of applications in the WebSphere 4.x/5.x/6.x environments.
- Was responsible for setting up a cluster of WebSphere Application servers using a combination of both horizontal and vertical scaling for high availability.
- Was responsible for the installation and configuration of iPlanet 6.1 and IBM HTTP Server 2.x/6.x/Apache Web servers.
- Was responsible for installation and configuring (set up and registration with policy server) of Netegrity Siteminder Web agents for iPlanet web server.
- Was responsible for setting customized Siteminder Logins, Access Control Lists (ACL's), Custom error responses on iPlanet web server.
- Was responsible for deploying applications on the WebSphere clusters and setting up the environment configurations.
- Automated the setup of Websphere application server environments using Jython/Jacl and UNIX Shell (Korn shell)/Perl scripts to minimize the time required to set up the environments for each application. This reduced the time required by about a 10 fold. This included setting up resources like JDBC and WebSphere MQ, mail and other resources as well.
- Was responsible for the administration, configuration and troubleshooting in the WebSphere process server 6.0.2 environment.
- Worked on setting up SSL configurations in the Websphere environment.
- Used Ikeyman tool in SSL set up on WebServers.
- Was involved in performance monitoring and tuning of WebSphere application Server using Tivoli tools.
- Was involved in doing basic operations on Datapower XML Security Appliance.
- Worked in close coordination with various teams like UNIX, Database, Networking, Security, etc to accomplish daily tasks and resolve issues.
- Was responsible for troubleshooting networking issues, opening DNS and firewall tickets.
- Worked with other members in the WebSphere team on resolving various issues related to the various environments in a timely manner.
- Attended team meetings on a regular basis to discuss various issues and enhancements related to the environments.
- Was involved in providing Production support on a 24/7 rotation basis.
- Worked on Problem Tickets with vendors like IBM and resolved them in a timely manner.
- Was involved in documenting the various tasks and procedures and keeping track of the changes in the environment.
- Was responsible for monitoring and tuning the performance of applications in various client environments.
Environment: Aix5.x/Sun Solaris 8/9, Red Hat Linux, Windows 2000, WebSphere Network Deployment 6.1/6.0/5.1/4. x, WebSphere Process Server, WebSphere MQ, IBM HTTP Server, iPlanet Web Server, Apache Web Server, Siteminder, Oracle 8/9/10g, DB2 v8, Cisco CSS and monitoring Tools, Data Power XML Security appliance, Sun One LDAP Server 5.2, Blue Coat Proxy Server, HACMP, Edge Proxy servers.
Programmer/Graduate Research Assistant
Confidential, LansingResponsibilities:
- Was responsible for developing modules of software called Confidential which can be used for analysis of images of micro-organisms.
- Developed scripts which can be used for automating image analysis.
- Coordinated with other team members in developing and testing the software.
- Was responsible for programming, web development and multimedia processing using software for the college of education to improve teaching methods.