Tim Castilleja Email & Phone Number

Kansas City, Missouri Area

* Responsibilities implementing critical payment systems for the Federal Reserve Bank include designing, developing, and installing software applications and enhancements to support the IBM Financial Transaction Manager Check and ACH operating environments. * Data migration including DB2, Token File, ADU, Installation, configuration and initial testing of.

Kansas City, Missouri Area

• Performed Linux infrastructure implementation, installations and upgrades in enterprise federal infrastructure on virtual server environments.RHEL 6.5 bash, sudo, ssh, VMWare, RDP
• Implemented Linux server hardening per policy directives from the United States Department of Defense.
• Infrastructure support; Critical System security; Secure File Transfer process development and implementation.* Attained Secret Security Clearance per Homeland Security Presidential Directive 12 (HSPD 12)

Leawood KS (Contract)

• Performed Linux infrastructure implementation, installations and upgrades in Linux enterprise environments on Linux in virtual server environments. bash, sudo, ssh, Active Directory, RDP
• This included Apache, PHP, Moodle, MySQL configurations and management.
• Created detailed design documents to enable platform integration and build out of systems. The design included information for all hardware, software, networks, storage configurations, file system layouts and database.
• Supported both local and national technical teams in trouble shooting system site infrastructure outages and configuration.
• Worked with Enterprise Services to identify, and document technical requirements.

Overland Park, KS

• Performed complex Oracle 11g database infrastructure integration, installations and upgrades in Unix enterprise environments on multiple operating systems of AIX, Linux, Solaris on both stand alone and virtual server.
• This included multi node Oracle RAC, GI, CRS, ASM, and RDBMS configurations and management.
• Created detailed design documents to enable platform integration and build out of systems. The design included information for all hardware, software, networks, storage configurations, file system layouts and database.
• Supported both Sprint onshore (United States) and offshore technical teams (India, Malaysia, Brazil) in trouble shooting database infrastructure failures, X11 SSH secure network tunneling, Firewall and restricted.
• Actively correct program code of Shell, Perl, Python/Jython, JavaScript and XML as part of implementation quality control.
• Involved in Database software automation efforts to improve efficiencies using Python.

Overland Park, KS

• Complete network configuration, installation, and support for new corporate branch office build-outs. This includes Cisco routers, POE switches, CAT5E, business servers, client workstations, and network devices.
• Facilities Project Engineer.
• Managed complete Network build out and Network management of corporate branch offices nationwide.
• This included physical network survey, data and VoIP installation, hardware installation and management of routers, switches, smart hubs, and client workstation integration of all software and networking requirements.
• Integrated Legacy networks with High Speed Fiber optic, and wireless networks.
• Implemented various measures to increase security, reliability, and performance based on past experience for best practices.

Kansas City, Missouri Area

• Critical network-centric technical position representing Asset Protection within the Court Order Bureau in the development, testing, implementation, integration, and troubleshooting of CALEA (Communication Assistance.
• Technical support for network compliance functions in India and Most of World business services.
• Required knowledge of Internet protocols, network architecture, and interaction of network elements.
• Understanding of technical aspects of equipment and procedures needed to implement surveillances via system programming.
• Worked with personnel from AT&T Labs, Global Network Operations, and others to isolate, understand and resolve problems related to equipment, transport, firewalls, mediation and law enforcement delivery.
• Selected as Technical interface between AT&T and Federal, State, and local law enforcement relative to court ordered or covert activity to bridge the gap between aspects of AT&T network, and the technical resources of.

Kansas City, Missouri

• Integrate applications from multiple platform operating systems to one central Unix platform and repository.
• Wrote numerous scripts in perl, shell, awk, sed and C++ to accomplish business goals of automating provisioning, and integrating several legacy systems. Examples include automating customer bill adjustments and.
• Implemented security measures and compliance of all servers as infrastructure matured especially network, and file system vulnerabilities.
• Perform Application program maintenance and development, using Cold Fusion, Oracle Database, MSSQL, SQL stored procedures, C, C++, Perl, and UNIX system languages shell, sed, awk.
• Develop Network Service supporting interactive web pages using web technologies.
• Integrate applications from multiple programming languages to one common language requiring partial re-write, testing, and certification of established application processes.

Kansas City, Missouri

• Migrated and integrated mission critical applications and processes to new Sun platform and Oracle RAC infrastructure in Solaris environment.
• Responsible for building and maintaining all new organization servers (over 30 servers) Unix, Microsoft; and network components, most of which were mission critical and required 24x7 support (problems associated with.
• Performed UNIX System Administration, Oracle Database Administration, and software compliance on UnixSolaris SunSparc platform.
• Develop Shell, Perl, & Esquire scripts to mechanize system queries, adjustments, and updates on multiple AT&T 3270 legacy mainframe hosts.
• Perform Software Development Method: data analysis, business analysis, programming, testing, implementation, documentation, and maintenance.
• Data Processing Associate: coordinated and performed installation and maintenance on UNIX Open Systems architecture.

Kansas City, Missouri

Hardware support for AT&T IT Data Center environment. Mainframe, Unix, Network, Fiber Optics.

Mba, It, Business

Telecommunications Management