Tomas Lim Email & Phone Number

Reston, Va, Us

Administer and maintain (including upgrading from Oracle 18c to 19c) Oracle 18c, MySQL, and Postgres database servers and various application servers (Oracle WebLogic and IBM AppConnect) in a virtualized production environment using Red Hat Enterprise Linux and Windows Server 2016 on Vmware ESX or the General Services Administration (GSA).

Reston, Virginia, Us

Administer and maintain (including upgrading from Oracle 12c to 18c) Oracle 18c, MySQL, and Postgres database servers and various application servers (Oracle Internet Directory, WebLogic and IBM WebSphere) in a virtualized production environment using Red Hat Enterprise Linux and Windows Server 2008/2016 on Vmware ESX for the General Services Administration (GSA).

Arlington, Virginia, Us

Administer and maintain Oracle 11g database servers and various application servers (Oracle Internet Directory, WebLogic and IBM WebSphere) in a virtualized production environment using Solaris zones on Sun SPARC servers and as well as Red Hat Enterprise Linux and Windows Server 2003/2008 on Vmware ESX for the General Services Administration (GSA).

Administer and maintain Oracle 11g database servers and various application servers (Oracle Internet Directory, WebLogic and IBM WebSphere) in a virtualized production environment using Solaris zones on Sun SPARC servers and as well as Red Hat Enterprise Linux and Windows Server 2003/2008 on Vmware ESX for the General Services Administration (GSA).

Montreal, Quebec, Ca

Administer, install and maintain Oracle and MarkLogic (XML) databases on Linux servers for a web based public federal web application in a private cloud environment.

Reston, Virginia, Us

Administered and supported Oracle 10g/11g databases on Windows Server 2003/2008 for a web based resource management system for the US Army including implementing and testing application database releases.

Glen Allen, Va, Us

Administer and support Oracle 11g database and application servers (Application Server 10g+, OBIEE, UCM, WebLogic and IBM WebSphere) at an offsite development environment for federal agency clients. Includes performing UNIX administration role in the virtualized development environment running Linux and Windows servers in VMWare and Solaris zones/containers on Sun SPARC servers.

Migrated the IBM Maximo (Enterprise Asset Management) system's Oracle database for the US Capitol Police from the Department of the Interior to the Library of Congress Information Technology Services' data center on a 3 month contract.

Provided high-level consultation to federal government clients to ensure the ongoing performance and streamlined infrastructure of their large, complex IT networks. Client engagements included:U.S. Department of Education, Office of the CIOIntegrated database and application servers for custom software applications and oversaw evaluation and recommendation of new software development tools, such as BMC and Quest Oracle tools and the 10g upgrade.Managed the Oracle 9i database server systems for Windows Server, Linux, and Sun Solaris development, testing, and production environments, handling all system set ups, configurations, administration, and support.Improved backend support of the client’s public Web site by leading a program to install a clustered Oracle server environment.Headed a major migration from Oracle 8i to 9i as well as Oracle installation on NT/2000 and Sun Solaris and a phased migration of UNIX servers to a new data center.U.S. Department of Housing & Urban Development (HUD)Served as a systems and database integration subject matter expert in support of the enterprise-wide client/server infrastructure.Administered, configured, and maintained an Intel server farm running Windows NT Server, MS SQL Server, Sybase Adaptive Server, Netscape Enterprise Server, and MS Internet Information Server (IIS).Ensured full integration support for 3rd party contractors and the achievement of seamless user interfaces through implementation of new Internet and Intranet Web applications, databases, and other server applications.Maintained knowledge of emerging software development tools to recommend appropriate technologies with optimal return on investment.

Supported the product development team by ensuring the robust performance of internal software development tools and product build workstations, including Sun SPARC and Intel PCs running Solaris for x86 and Linux. Administered a central desktop database and its performance and replication across 20 remote user sites. Continually assessed and tweaked the project software configuration management process to achieve the highest level of support for the product team. Additionally managed implementation and deployment of new software releases at client sites. Improved the analysis and evaluation process for product prototypes by developing and supporting a prototype information analysis system in PowerBuilder and Sybase SQL Anywhere.Played a key support role throughout the development of a prototype client/server “Battle Command, Control, and Communications” system on networked UNIX workstations.

Blue Bell, Pennsylvania, Us

Performed several major functions to support the release of networking software products: - Served as database administrator for the relational DBMS used to manage the software releases - Fine tuned the database, performed backups, and handled disaster recovery. - Coordinated the development of software build tools and functions that utilized version and change information from the database. - Established and developed software build processes for standard customer releases of networking software products: - Coordinated the building of the releases from the changes supplied by the development groups in mainframe, workstation, and microcomputer environments. - Managed the updating of software build programs and tools, using the same process as for the product releases. - Participated in ongoing ISO 9000 audits and SEI CMM assessments, and assisted in implementing desired process improvements.