DURO M. ORAVSKY
| 179 Walden drive, K2K 2K7, Ottawa, Canada |
home: 613-271-3107 |
e-mail: |
cell: 613-290-6617 |
MIDDLEWARE AND WEB SPECIALIST
Design, Implement, Administer and Monitor Web Applications
Recognized Middleware and Web Specialist with fresh insight, passion for innovation and proven track record in designing, implementing, administering and monitoring web applications. Detail oriented with demonstrated ability to manage large scale production systems. Confident decision-maker and effective problem solver, able to work independently or lead a result oriented team. Excellent background and qualifications in J2EE, WebSphere, JBOSS and Web related technologies. Multilingual working experience with major international companies.
CAREER OBJECTIVE
To obtain challenging Senior Position with focus on delivering successful Web Applications
in well established company in the Greater Ottawa Area
TECHNICAL SKILLS
WEB APPLICATIONS:
Middleware: IBM WebSphere 5.1.X, 6.0.2, 6.1.0, 7.0 ; Tomcat; JBoss 4.0.5, 4.2.3, 4.3.0, 5.0 6.0; PHP
Web Servers: IBM HTTP Web Server 1.3.26, 2.0.47.1, 6.0; Apache 1.3.X, 2.0.X, 2.2; IIS 5.0, 6.0, 7.0
Directory Servers: IBM Directory Server 3.2.2., 4.1, 5.2; Sun LDAP Server 4.1
Scripting: ANT; WSADMIN; WSCP; JACL
MONITORING AND TESTING:
Monitors: Manage Engine Applications Manager; Nagios; Munin; RedHat's JON, JOPR, RHQ; HP's SiteScope, SiteSeer; Gomez; Minq’s PureAgent
Log Analyzers: WeblogExpert; Analog; NetIQ’s WebTrends
Web Scripting: Perl; Wget; Lynx; Transwizard; Openssl; Minq’s PureTest; P1’s Phantom; AutoIt; Firefox’s extensions
Load Testing: Borland's SilkTest; Radview’s WebLoad; JMeter; Minq’s PureLoad; MS Web Application Stress Tool
OPERATING SYSTEMS:
UNIX: AIX 5.2, AIX 5.1, AIX 4.3.3; Sun Solaris; Linux RedHat, CentOS
Windows: Windows 7, Windows XP, Windows 2003 Server, Windows NT 4.0
Monitoring: CA's Unicenter NSM; Concord's eHealth; Nmon; WhatsUP
PROGRAMMING:
Shells: KSH; CSH; Perl
Languages: C; Java
Web: HTML; CSS; JavaScript; SSI; Java Applets; CGI; Servlets; XML; XSLT;
DB: SQL; PL/SQL
OTHER:
Version Managements: CVS; ClearCase from Rational Rose and IBM
DB: Administration of ORACLE 9i, 8i, 7.3.4 , Oracle Enterprise Manager (OEM), WEB DB (Portals), SqlPlus, JDeveloper, Developer
PKI: keytool; openssl; IBM’s iKeyman; Netscape’s pk12util, certutil
PROFESSIONAL EXPERIENCE
SENIOR MIDDLEWARE AND WEB ADMINISTRATOR
Corel Corporation is one of the world’s top software companies with more than 100 million active users in over 75 countries
Projects covering full lifecycle and operations of company web presence including 2 large Data Centre migrations
SENIOR WEBSPHERE AND WEB ADMINISTRATOR
Davis+Henderson is Canadian Enterprise and leader in serving the Canadian Financial Institutions since 1875
Projects for all major Canadian Financial Institutions to support Internet Cheque Ordering.
Achievements:
- Planned, Architected, Installed, Configured and Supported over 15 WebSphere installations with 16 different Applications Servers each
- Designed , Developed and Maintained Script Administration Suite using WSADMIN, KSH and JACL scripts to automate all day-to-day tasks involved in administering the entire Web and WebSphere environment
- Deployed and Supported over 20 corporate and B2C production web applications on regular basis
- Contributed to company’s overall hardware infrastructure design with regards to capacity planning, failover and scalability of production environments
- Set Up fully load balanced Web and WebSphere production environments from scratch, including IBM HTTP Server, IBM WebSphere, IBM Directory Server and custom legacy J2EE extensions
- Designed, Configured and Maintained scripts for availability monitoring for all elements of the production web infrastructure using Mercury Interactive’s SiteScope and SiteSeer.
- Designed and Supported Service Level Agreement Monitoring and Reporting for the executives using Gomez Monitoring Portfolio
- Supported and Contributed to Load Testing for all production B2C Web Applications by using WebLoad, developing fitting customer behaviour model and improving the load testing process and documentation.
- Planned and Executed extensive performance fine-tuning of all production WebSphere Application Servers
- Maintained Web and WebSphere security up-to-date by reviewing and applying latest security patches
- Architected, Set Up, Maintained and Tested company’s Disaster and Recover environment for all critical corporate and B2C web applications
- Supported migration of legacy java web applications to existing J2EE WebSphere platform as well as WebSphere migration from version 4.0.7 to version 5.1.1
- Contributed to company’s efforts of implementing internal controls based on ITIL, by writing numerous whitepapers on areas of expertise.
- Designed and Fine-Tuned Release Management Processes to minimize risk and customer impact for releases to production environment
- Managed elements of D+H’s PKI infrastructure including SSL certificates, keystores and proprietary encryption/decryption keys and libraries and administer SSL key signing process using Entrust’s web interface
WEB APPLICATIONS TEAM LEADER
Achievements:
- Lead Team of 4 to develop Internet Cheque Ordering Application for Credit Union DesJardins.
- Provide Expertise in designing Web Application
- Developed and Maintained artifacts for Web Applications
- Developed and Maintained Stored Procedures, Triggers and Packages in PL/SQL
WEB DEVELOPER
Reuters is world leading global news and information company.
Projects for custom live stock exchange monitoring web application.
Achievements:
- Analyzed and Prototyped new Dynamic Web Pages Project using XML data format and XSL Transformations exceeding 2000 lines of code in JS and HTML, and over 1500 lines of code in XSLT.
- Contributed to developing dynamic custom JavaScript menu for flagship web applications
The Markets Server and The Markets Monitor
SOFTWARE ENGINEER / DATABASE DEVELOPER
Siemens is international corporation and technological leader in Energy Management Software.
Projects for major local Power Suppliers worldwide including Germany, Singapore, Colombia and Switzerland.
Achievements:
- Developed and Maintained sophisticated Oracle GUI application as member of team, which was extending proprietary Siemens Energy Management Systems using Forms, SQL, PL/SQL, C, Pro*C, Pascal, and C-Shell scripts on SUN Solaris UNIX.
- Prototyped and Developed new add-ins for Distributed European Energy Management System, based on North American Model, using Oracle Developer 2000, PL/SQL and Perl. In charge of several DBA tasks on Windows NT.
- Developed and Maintained over 350 Stored Procedures, Triggers and Packages in PL/SQL.
- Constructed and Tuned more than 1000 complex SQL queries.
- Analyzed and Prototyped new Dynamic Web Pages Project for world leading News Agency REUTERS, within tight deadlines, using XML data format and XSL Transformations exceeding 2000 lines of code in JavaScript and HTML, and over 1500 lines of code in XSLT.
- Designed and Developed Intranet for SWH Department in Siemens Corporate Style using HTML, JavaScript, CGI Scripts and Apache Web Server configuration.
| INFOSTAT - Institute for Informatics and Statistics, Slovakia |
1995 – 1997 |
| www.infostat.sk |
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DATABASE DEVELOPER
Infostat is National Statistics Agency of Slovakia, conducting major projects of governmental statistical researches.
Projects for Processing of collected Economical Data
RECENT PROFESSIONAL TRAINING
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IBM:
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WebSphere Extended Deployment (2006), WebSphere Performance Tuning v5 (2005), WebSphere Migration v5 (2005), WebSphere Administration v5 (2004), WebSphere Administration v4 (2002)
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NETSCAPE:
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iPlanet [SunONE] Web Administration (2002), iPlanet LDAP Server (2002)
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SIEMENS:
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Usability in Graphical User Interfaces (2000), System Development Methodology (1999), UNIX courses (1998)
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ORACLE:
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Developer 2000 - Forms 5 (2000), WEB DB - Building Web Sites and Web Portals iDevelop (2000), Network Administration (2000), Backup and Recovery (2000), Database Administration (1999), Performance and Tuning (1999)
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EDUCATION
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Comenius University, Slovakia
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Master of Science in Theoretical Physics (1994)
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Technical University, Austria
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Students Exchange Program (1992)
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Resume
References [ Detailed References available upon request ]
Certificates
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