Engineer Technical Support
Resume:
VITALY GRINGAUZ
Phone: 289-***-****
email: ******.********@*****.***
http://www.linkedin.com/in/gvitaly
Results driven and highly motivated IT professional offering a wide range of application support experience. Proven track record of process management, troubleshooting and complex technical issues resolution. Excellent ability to analyze sophisticated technical information to determine risk levels. Experience in set up, testing and troubleshooting in a mixed SW environment with complex architecture, involving different operating systems, databases, multiple applications, web servers and protocols. Proactive day to day support including effective communication with different stakeholders. Perfect ability to study, evaluate and adopt new technologies and methodological approaches to ensure goal achievement. Technical skills coupled with nice, outgoing personality and responsibility form a true asset for a potential employer.
Areas of Expertise
Analyze complex technical information
Automation Scripting
Tooling Maintenance
Virtualization
Product Integration
Training and Support
Strong Technical Troubleshooting
Engineering Support
Technical Documentation
Environment Setup and Maintenance
Technical Skills
Operating Systems
Windows (server and workstation), MS-DOS, SunOS Solaris 8-11 (Zone), AIX (LPAR) 5.1 -7, HP-UX 10 - 11i, AS/400 (V5R1), MF (OS/390), RedHat 7- ES 5, SuSE servers 9 – 11, VMWare vSphere hypervisor
Middleware
WebSphere Application (ND) Server 3.5 – 8.5.5, iPlanet 4 - 6.0, Apache/IBMHttpServer 1.3.19 – 2.4, Tomcat 3.3 – 7, IIS 6, WebLogic 6.x - 11g, Jboss 4 - 7, Oracle 8 – 11g, UDB-DB2 8 - 10, Sybase 11, WebSphere MQSeries 6, Data Synapse Fabric Server 2.0, Entrust GetAccess, WebSEAL, SiteMinder, IBM - Maximo Asset Management 7.5, IBM Worklight
Programming
C, C++, Java, HTML XML, JavaScript, SQL, Bash, Jacl, Jython
Protocols
HTTP/HTTPS, TCP/IP, JMS, T3, IIOP, SOAP, LDAP
Test Automation and Application performance management tool
HP Quality Center, HP-LoadRunner and WinRunner, JMeter, Rational Performance Studio, WebLOAD, OpenSTA, JUnit, Eclipse and other open source tools for software testing.
Memory Analyzer and Java heap analysis tools of IBM. AppDynamics. Selenium IDE and WebDriver.
Career History and Noteworthy Accomplishments
Sodexo July 2013 to Present
Facilities and food services management
MAXIMO WEBSPHERE APPLICATION INFRASTRUCTURE AND PERFORMANCE ENGINEER.
Installation, upgrade, configuration, performance tuning, troubleshooting, maintaining and administration of multi-tier clustered environment of Websphere Application Server and IBM HTTP Server, SSL for the HTTP servers and the plugin on AIX LPAR environment, integration with IBM ESB Server.
Strong technical knowledge of WebSphere Application Server ND edition versions 7, 8 and 8.5.5 administrative support, troubleshooting, monitoring and tuning
Migrate Existing application from WebSphere application server 7 to 8.5.5
Automation using wsadmin, Jython and UNIX-BASH scripts to automate various WAS administration and deployment tasks such as JVM and resource configurations, J2EE application deployment, ear/war/jar installation, backups, JVM export/import and the like.
Implement process and document procedures to ensure consistency in the environment
Monitor and tune application performance, perform problem investigation and resolution in coordination with various teams like database administrators, system administrators, network administrators and other IT teams.
Provide 24x7 on-call support and after-hours support rotation responsibilities.
Set up performance tool for Load testing, scripting and result analyzing by using external and tools and self-developed scripts.
Developed scripts and scenarios for Load runner and JMeter to test different load and performance test cases.
Developed test using Selenium WebDriver and IDE to test functionality of a system under load and to monitor performance activities.
Work with vendors on problem determination, troubleshooting, and resolution tickets/PMRs, running and submitting mustgather scripts and output, turning on trace, verbose-gc, taking thread and heap dumps.
Investigated, analyzed, troubleshooting of J2EE environment issues and providing fast professional solutions.
IBM
2010 June to 2013 March
World's largest information technology company.
WEBSPHERE SUPPORT AND SYSTEM ENGINEER
Provided high-quality technical support for customers and field engineers for WebSphere family products, e.g. WebSphere Application Server, WebSphere Portal, MQ and etc. on various Unix and Windows environments.
Effectively set up customers’ environments for testing, reproducing and troubleshooting including sophisticated enterprise environments, installed and configured various types of operating systems, network and middleware. Performed manual and automatic deployments of applications for WebSphere Application Server, Portal and MQ in Unix, Linux and Windows.
Investigated, analyzed and escalated WebSphere related issues and providing fast professional solutions.
Migrate Existing application from WebSphere application server 6.x to 8.5
Tested patches and fixes provided by developers by creating automation and manual test scenarios.
Optier
2006 July to 2010 Aug
Software company dealing with IT and enterprise performance solutions APM and BTM tools
SENIOR SUPPORT SYSTEM ENGINEER (2006 to 2010)
Prepared consolidated proof of concept presentations; researched new competitors’ products and created comprehensive reports for R&D
Provided high-end support for field engineers and customers in performance related issues related to WebLogic, JBoss WebSphere, Web Servers in J2EE environments on UNIX, LINUX and Windows platforms.
Set up new environments, researched customers’ enterprise software and ensured that it could be integrated smoothly with the company's products. The environments topology were included the most common J2EE tiers:
WebLogic, JBOSS, WAS, HIS, IIS, MQ, LDAP, SSO products, Oracle, DB2
Developed precise technical support documents and distinct proof of value strategies
Created efficient and productive automatic processes for deployment in complicated J2EE environments like automatic deployment of applications by using Jacl and Python for various environments
Set up and investigated complex J2EE and .Net environments for testing and integration, installed and configured various types of operation systems, network and middleware.
Migrate Existing application from WebSphere application server 6.1 to 8.5.5
SENIOR QA ENGINEER 2004 SEP to 2006
Carried out performance and functional testing of business transactions tools providing high quality of released product by using LoadRunner, Jmeter and others tools.
Developed high-level test plans, as well as detailed test design documents
Created diversified automatic test scripts for performance, scalability, load, stress, volume and functional tests
Validated the company’s products in various J2EE and .Net environments and tested its performance with other enterprise products
Led coaching activities of new members in Support and QA departments
Qlusters
2002 Nov to 2004 Aug
Hi-tech company providing software provisioning and managing virtual grid environments
PRINCIPLE QA AND RELEASE ENGINEER
Led full cycle of tests and release activities of company innovative products in Linux environment with JBOSS as application server and Oracle as a backend
Carried out overall performance and functional testing of cluster and grid computers using my own automatic test scripts providing quick and effective test coverage. Testing tools were done with BASH scripts and apache benchmark tool.
Set up and maintained virtual environments for testing and integration Linux based clusters.
Set up from scratch computer farm based on propriety LINUX kernel. The set up included new kernel compilation and communication wiring of switches, routers and computer boxes.
Developed and established QA procedures compatible with the best practices in the industry
Jacada
1998 Apr to 2002 May
Hi-tech company known as a leading provider of unified desktop and process optimization solutions
for customer service operations
SOFTWARE PERFORMANCE ENGINEER, TEAM LEADER
Successfully planned and led load and performance testing activities, managed a team of two engineers
Carried out automatic acceptance testing using widely known load and performance tools like LoarRunner, rational performance Studio in various J2EE environments with WebLogic, WebSphere, Tomcat, IIS, Apache, etc..
Carried out manual and automatic testing of web J2EE environment on several platforms including Windows, UNIX, Mainframe and AS/400
Performed on-site consulting, load testing and benchmarking for leading clients and partners
Education
MSc in Mechanical Engineering, Tashkent State Technical University, Uzbekistan
1993
Professional Development
IBM MQ series advanced administration
IBM WebSphere Server advanced administration
C/C++ programming
Java advanced programming
Oracle database advanced administration
Software engineering professional retraining: Oracle, PL/SQL and Oracle forms
MS-Project course
Time, conflict and meeting management training
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