VisualCV

Working within SRC ranks as Lead for the Infrastructure team. Also transitioned into taking over additional roles as Master System Administrator, Interim Operations & Incident Manager and Systems Support Coordinator (SSC) within the SPAWAR & U.S. Veterans Affairs’ Chapter 33 Long Term Solution (LTS) project, providing a combined guidance and engineering role handling multiple government contract system administrators, database administrators, network engineers within the infrastructure team.

• Handling Tier-3 needs between the VA & SPAWAR including internal infrastructure-related activities. Delegated tasks to the Oracle DBAs and System Administrators (SAs) depending on what part of the application was affected. Worked with application engineering teams as needed for prioritizing issues concerning outages and application or infrastructure down time.
• Transitioned into the Infrastructure team lead supervising day to day activities between SRC and external team members and handling roll-on or roll-off tasks for SRC members being added to or leaving the Infrastructure portion of the project and/or company. Also handling key aspect role into interviews for bringing new members upon the team.
• Providing configuration and support for nearly 150+ Red Hat Enterprise Linux (RHEL) 5.7 and Windows 2003/2008 systems based upon VMware vSphere 4 and ESXi 4 NIST & STIG VM images in a federal and private cloud environment. Additional duties included operating systems deployment, application and operating system performance tuning, installation of software, applying patches and security updates as needed.
• Writing/updating UNIX shell scripts in bash/sh and Perl for handling proactive and day-to-day activities for checking server-side activity. Also tuned other shell scripts as needed for added performance gains using sed, awk and expect.

Key Achievements

• Achievements to date include delivery of an automated information technology capability to the Department of Veterans Affairs that has assisted over 409,500 veterans and war fighters returning from the battlefield in realizing their educational goals and receiving $10+ billion dollars in educational benefits.
• Architected and engineered a centralized data repository server (DCS) environment for syslog and audit logs. Using iSCSI and LVM for expandability needs as required for long-term storage needs. Due to new security requirements, upgraded Syslog-NG initial deployment specs to using Syslog-NG v3 and TLS encryption.
• Became both acting Incident and Operations Manager for a period of three weeks when there were some contractual issues with primary and subcontractors tied to the project. All open tickets were delegated through me to the Infrastructure, Integration or Application teams. I was no longer just supporting the Infrastructure, but also the application and working directly with the VA PMO and VCEs within the VA. As a result, there was 100% coverage at all times of the project.
• Architecting from the ground up a total Configuration Management (CM) solution for doing application and virtual operating system deployment using a mixture of kickstart, puppet, PXE and DHCP. Process will also include “on the fly” STIG images of the RHEL operating system and application host configuration for both Apache and Oracle platforms.
• Designed and created a VMware vMotion detector application that runs on 64-Bit Windows Server and RHEL/Linux platforms. When the application is monitored by Oracle OEM or Nagios, these system monitoring platforms can send customized alerts when vMotion activity has taken place upon a Guest VM in a DRS/HA clustered environment.
• Proof of concept tested and created deployment plan for modifying RHEL’s baseline Apache application platform using the Apache UID for securing the web tier environment.
• Configured and deployed Splunk log aggregation server in private cloud environment to keep track of RHEL, Windows and Weblogic related application and server-side logs.

Serving as the team lead role of Senior System Engineer/System Administrator and acting as IT architect and subject matter expert for a number of HP-UX and Linux-based applications and environments using Web 2.0 technology and Memcached. Assigned to help migrate legacy HTML websites from HP-UX servers to the recently designed LAMP infrastructure built upon Red Hat Enterprise 5 (RHEL) cluster with global file system technology with Drupal and Joomla CMS application suites.
 
• Architected and provide ongoing support and configuration needs for the Drupal-derived Morris Shared Management Systems (MSMS) platform  which consists of a multi-tiered, network and operating system configuration and  includes a pair of Squid front-end load balancers, a four-way LAMP web and application clustered server environment running Memcached, PHP’s APC Opcode Caching module and RHEL Global File System (GFS).
• Building, racking, wiring and Satellite kickstarting /provisioning/patching 50+ HP Proliant G3, G4, G5 and Blade server environments. Also handled application configuration needs under development, QA and production tiers for Core and Development teams. Utilizing Xen and PAE kernels for both RHEL and CentOS Linux server environments. Utilized HP iLO and Dell DRAC for remote console control needs for outages, virtual media and configuration requirements.
• Utilizing VMware ESXi and Red Hat Xen Server platforms for virtual-based development and QA server environments for web development and MySQL database replication needs.
• Deployed and configured Nagios, NRPE agent and Cacti for hardware and software/application monitoring and bandwidth utilization.
• Working with SAN Engineer for allocation and provisioning of logical volumes for Linux and HP-UX server environments upon EMC and HP SAN fiber channel arrays.
• Helping handle day-to-day HP-UX and Linux activities, primarily being updating primary and secondary DNS servers, building new and deprovisioning websites for internal and external customers, and creating and removing user accounts as needed. Building out new image and reporting sites as requested by internal customer groups.
• Helping other system administrators with HP-UX, quarterly patches, kernel tuning and performance modifications consisting of HP-UX 11.00 through 11.23 environments. Proof of concept tested the Sun ONE Java application server suite on HP-UX with PHP.
• Writing/updating UNIX shell scripts in bash/sh and Perl for handling proactive and day-to-day activities for checking server-side activity. Also tuned other shell scripts as needed for added performance gains using sed, awk and expect.
• Utilizing Remedy for trouble ticketing and for working with other team members and groups for project management and classification needs.

Key Achievements
• Designed a patch that allows for both Drupal’s AuthCache and Memcache API modules to co-exist on the same platform, thus allowing for the caching of multiple session tables, utilizing Memcached clusters and also being able to cache both authenticated and non-authenticated users sessions as well.
• Helped to convert a number of external customers from older, legacy and licensed UBB text-driven forums to MySQL-driven Simple Machines Forum (SMF) architecture. Created a PHP patch to fix the MySQL ‘search’ capabilities of the SMF architecture.
• Assisted in the migration of the Spotted™ web application from ThePlanet.com to internal Linux server data center environment. Created a series of self-regulating UNIX rsync shell and Perl scripts to offset grunt labor work having the do cut-n-paste for each site that needed to be migrated.
• Setup OpenFiler iSCSI environment on retired IBM hardware for ESXi training needs.
• Introduced the open source Untangle Appliance Server application to our CISO to help reduce the costs for using 3rd party, vendor-based hardware security platforms. Recently deployed one of the Untangle appliances remotely at the Morris MVP’s London/Paris office to help with web filtering and intrusion detection needs.

Transitioned into various subject matter expert roles due to corporate takeover, including applications engineer, systems engineer, Microsoft SQL and Oracle database administrator, HP-UX/Solaris/Microsoft system administrator, acting project manager and enterprise architect. Assigned to multiple corporate projects including Worldcom/MCI Global Sales Force Transformation as the primary BizTalk Architect/Integrator; Intermedia ServiceGate Provisioning System as the senior systems engineer, MQ/EDI integrator, acting project manager and enterprise architect; part of Intermedia/Worldcom I.T. Operations primary HP-UX, Solaris and Windows system administrator team.

Global Sales Force Transformation Project
• Installed and maintained Microsoft BizTalk 2004 environment for developmental and QA test purposes. Created schemas, maps, interfaces and orchestration under BizTalk 2004 for multiple platforms SOA needs via send and receive ports for XML conversions.
• Designed and integrated real-time XML parser/de-parser .NET interface for middleware connectivity between Windows Server, BizTalk 2004 and multiple server and mainframe application sites under Siebel 7 and MCI Registry.
• Visually documented SFT and SBD technical workflow UML environments under Visio for Development, System Test, UAT, and Production for enterprise architectural layouts.

ServiceGate Provisioning System Project
• Designed, debugged and maintained shell scripts for application flow thru for Telcordia/Bell Core ServiceGate with ASR/LSR Mercator mappings, VSISoft VSIFax on-demand fax system, and Sterling Software Connect:Direct for data processing.
• Installed, configured, developed and maintained IBM MQ Series (v5.0 through v5.2.1) for ServiceGate real-time ASR/LSR application on AS/400, HP-UX and Windows Server platforms via managers, queues, channels, and trigger processes and interfaces as needed.
• Working with other project managers, handling budgeting and cost estimation for main and sub projects as needed on a quarter and yearly effort.
• Documented and designed under UML modeling internal application and network diagram layouts of systems & application using Microsoft Visio and Project for ServiceGate project for enterprise architecture needs.
• Provided front-line and back-end engineering and support for QA teams for application testing, development and integration for ServiceGate product utilizing a series of internal regression test scripts and later documenting the results as required.
• Handled configuration, administration and support of systems and applications regarding Electronic Commerce utilizing Sterling Software’s Connect: Direct upon Solaris, Linux, Windows NT, and HP-UX platforms for batch and real-time EDI data translation.

Windows NT/2000, HP-UX & Oracle Database Administration
• Provided on-call support as primary HP System Administrator. Responsible for conversion for OS 10.20 to 11.00 and 11.00 to 11i (11.11), handled quarterly patches, kernel tuning and performance modifications to K-Class HP-UX Servers. Setup LVM disk arrays under RAID 5 for real-time database and data warehousing functionality.
• Handled Disaster Recovery for IS Operations team under hurricane storm conditions for production and test application platforms under HP-UX utilizing NetBackup & Legato Networker and Windows NT/2000 server using Veritas IDR backup application.
• Worked with Oracle and Microsoft DBA team for database application upgrades and benchmarking. Migrated Oracle database from 8i to 9i, including patches and testing. Handled day-to-day administration of Oracle Databases on Windows NT/2000 & HP-UX servers. Handled MSSQL database support as needed for application support.

Provided 24x7 system administrative support to Human Resources, Global Real Estate, and Intranet Web Hosting via Netscape Enterprise Server for customers upon business-critical application servers. Was primary part of the AT&T Customer Support team before transition to IBM Global Services.

• Developed shell scripting via KSH and Perl for fixing minor application problems.

• Created and updated Intranet websites utilizing Netscape Enterprise Server application.

• Performed system administration and performance tuning upon Solaris 2.6/2.7 platforms.

• Worked with Windows NT team for network security issues and web hosting modifications, both on local site and through New Jersey office.

• Utilized Hummingbird Exceed for remote application and server tuning operations.

Supported position to multiple development and production teams within the Chronos project for Federal Express. Was introduced to Solaris operating platform utilizing BEA Tuxedo for site-to-site high-availability fail-overs and using ADSM for daily restore and backup requests for developers and programmers. Was acting NOC manager for 3rd shift on numerous times.

• Handled day-to-day system monitoring using HP GlancePlus, Sun/Solaris internal programs, IT Operations (ITO), and AutoSys. Developed UNIX support scripts for ITO applications, including batch and job tracking purposes.
• Supported daily backup of Oracle and Core Solaris servers and assisted system administration where needed.
• Performed UNIX shell scripting and mid-level system administration upon Sun/Solaris Ultra 4000, 5000, and 6000 platforms, HP-UX D-Class servers, and Compaq WinNT 4.0 systems.

Worked on joint project with United States Air Force (USAF) and Andersen Consulting on Integrated Maintenance Data Systems (IMDS) project for online and remote classification of F-15 and F-16 fighter aircraft. Handled day-to-day security and on-call issues via 24x7 pager response. Performed duty as backup DSS due to the number of foreign nationals we had working on the project.

• Maintained and configured multiple K-class HP-UX servers, running 10.10 and 10.20 OS in a C-2 government trusted environment. Handled quarterly patches, kernel tuning and performance modifications as needed for development and production servers.
• Utilized Legato under HP DLT library backup architecture for full and archive storage.
• Configured HP GlancePlus and Cacti for network monitoring and performance tuning.
• Integrated Samba for UNIX-to-WinNT application development.
• Utilized Remedy collaboration utility for reporting of/to for test and production with applications and connectivity issues as needed.
• Setup system kernels for Oracle and Data Conversion teams upon HP K-Class servers.
• Provided on-call support as security administrator for Checkpoint Firewall, Citrix, and WinNT enterprise system environments.
• Developed a Red Hat Linux-based gateway/router VPN tunnel for packet redirection across encrypted lines for alternative to leasing a T-1 line for short-time use.