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David K. Zimmerman
Experienced IT Professional Certified by Oracle, Sun, and Microsoft
SUMMARY
• Experienced in enterprise system planning, architecture, design, and
development life-cycle.
• Proven expertise in designing and developing web-based systems and e-business
solutions using Java/J2EE and .NET technologies.
• Extensive experience in database administration, database design, data
modeling, and data warehousing with Oracle, SQL Server, and Sybase.
• Experience in Commercial Off-the-Shelf (COTS) software system integration and
implementation.
• Self-motivated team player with excellent communication skills.
• Proven ability to deliver high quality products and services on schedule and
under budget.
• Experience in business analysis, project management, and team leadership.
EXPERIENCE
Senior Information Technology Consultant 9/1998 – Present
Altsys Solutions Inc., Monte, CA
• Database Administration: Lead DBA for Oracle Server and Microsoft SQL
Server. Manage database instances, monitor server performance, tune the database
server and applications, and perform backup and recovery. Provide consulting
solutions to various clients in database design, database server configuration,
data warehouse implementation, server performance tuning, and application
tuning.
• Client/Server Development:
Project lead for designing and developing a statewide financial management that
were implemented by state government agencies. Analyzed client
requirements and wrote technical specifications. Used PowerDesigner
case tool to analyze the business logic and design the data model. Built window
interfaces with Sybase PowerBuilder. Developed Oracle procedures and packages
for implementing business rules and data logic.
• Web-Based Systems: Architect
and Designer of the J2EE based web-enabled E-Budget System that provides online
budgeting preparation services for the state agencies. Implemented Sybase
Enterprise Application Server platform and developed Java Server Pages (JSP) to
generate dynamic web contents and reports. Created and deployed components to
implement business roles and serve data from Oracle database backend.
• Network & Systems Administration:
Worked in a team to design, plan, implement, and support our company’s Windows
2000 server network. Performed LAN and VPN configuration, server monitoring,
storage management, account security maintenance, and OS performance tuning.
Database Administrator 1/1997 – 9/1998
Municom Inc., Madera, CA
• Responsible for managing Oracle
database instances, server performance tuning, backup and recovery, and
troubleshooting in Windows NT and Sun Solaris UNIX platforms. Performed Oracle
server software installation, database creation, system configuration and
upgrades. Administered Oracle repository in Designer/2000 for data modeling and
database design.
• Participated in the company’s
business process re-engineering planning and implementation to integrate desktop
applications into enterprise-wide distributed client/server system. Developed
client/server database applications that are used by municipal governments to
analyze, audit, and recover tax revenues. Microsoft Visual Basic and Oracle
Developer were used as the development tools.
Programmer Analyst 8/1995 – 1/1997
U.S. Steel Clairton Works, Pittsburgh, PA
• Conducted the architecture,
design, development, and testing of custom distributed client/server
applications that were implemented in an enterprise-wide environment. Developed
a management information system used by operators and supervisors to
manage operation data and generate operation reports in a coal mine waste water
treatment plant. Developed a chemical laboratory statistical analysis program
used by chemists to collect, analyze, and report experimental data.
• Participated in developing the
corporate Intranet and Internet using HTML and Peal CGI scripts. Created
intranet based reporting system to the management and executive teams for
production operation analysis and management decision-making.
TECHNICAL SKILLS
• J2EE architecture and design, Java, EJB, Design Patterns, UML, Rational Unified
Process
• Microsoft .NET framework, Visual C++, Visual Basic, Visual Studio .NET, C#.NET,
ASP.NET
• Enterprise network and security, Microsoft Windows2000 & XP Server, UNIX Sun Solaris and HP-UX, Linux server
• JBuilder, Sybase PowerBuilder, BEA WebLogic, Sybase EA Server, JBoss, Tomcat,
Apache Web Server
• SQL, PL/SQL, C, C++, JAVA, JSP, ASP, JavaScript, VBScript, PHP, CGI, Peal,
HTML, XML
• Oracle 9i and 10g Server, Microsoft SQL Server, Sybase ASE, Microsoft Access, IBM DB2
EDUCATION, TRAINING, AND CERTIFICATIONS
Certifications
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Sun Certified Programmer for Java 2 Platform Certification
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Microsoft Certified Professional (Visual Studio .NET & C#.NET)
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Oracle 9i Database Administrator Certified Professional Certification
Professional Training
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Oracle Enterprise DBA Performance and Tuning – Oracle Training Center
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Microsoft Visual Basic Programming – KCS Training Center
Education
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M.S. in Engineering, California State University, Sacramento, CA
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B.S. in Engineering, Eastern Virginia University, Rolling, VA
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