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 IBM Financial Transaction Manager from IBM Payments Director vendor software on AIX / Websphere, DB2 platform within a SAFR compliant environment * Design deployment packages and author installation instructions. Provide technical expertise and leadership for software upgrade project and new software project in support of IBM AIX-based national Check processing platforms* Provide level three technical support for production issues, testing activities, problem resolution, root cause analysis and permanent remediation.

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 configurations.• 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 environments. • 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 configurations.• 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 access, network outages, application failures, and jump-server configuration.• 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.• IBM DB2 V9.5 installations on Unix and Windows servers.• Engineered the database infrastructure implementation on multiple operating system platforms, including Solaris, AIX, Red Hat Linux HP, and Windows. • Project Management using Change control, Agile Methodologies in phases of Engineering Review, Design Review, Grid Infrastructure and RDBMS installation, integration, and maintenance.• Delegated as liaison for technical support and resolution between, Sprint and Oracle Corporation Engineers for ad-hoc hot patch development, testing and integration into enterprise database infrastructure across multiple platforms to implement real-time software upgrades and address software bugs/vulnerabilities.• On-Call 24x7 technical support to both Sprint and external customers IBM, Ericsson, Oracle. • Worked with business units and Database Technologies Group (DTG) to identify, and document technical requirements.

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.• Managed all relationships with hardware and software vendors, datacenters, and network providers, including purchases, leases, and negotiating pricing for equipment and services.

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 for Law Enforcement Act) related to broadband, VoIP, and Wi-Fi interceptions. • 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 the law enforcement agencies. Attained FBI top secret security clearance.• Established and maintained support of technical issues involving CALEA surveillance, and compliance. Liaison with AT&T Labs and Operations.• Built several network configurations for internet services offered by AT&T to emulate various CALEA surveillance target environments. • Worked with Bell Labs Engineers to implement surveillance system.• Worked with external vendors and FBI Quantico in capturing and delivering target data from AT&T networks to FBI private secure network channels for evaluation.• Ability to interpret and apply new technologies and implement rigid procedures to ensure control and proper administration of court-ordered responsibilities. • Ability to create and provide verbal presentations to law enforcement technical agents and supervisory personnel.

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 credits; automating every dayat systems administration tasks, to include collection of system information and logs and monitor application and database loads.• 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.• Convert flat files to database files using various programming languages Perl, C++, SQLLDR.• Created and implemented a disaster recovery plan in support of Sarbanes-Oxley mandates.• Involved with the hiring of new team members for developing job duties of Oracle DBA, Java Developer, Coldfusion developer, and technical support.

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 system hardware, software and network failures.)• 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.• Installed and maintained LAN and related data center communications equipment (routers, bridges, switches).• Performed computer console operations on mainframes and open systems in corporate data center.

Kansas City, Missouri

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

Mba, It, Business

Telecommunications Management