Providing software, hardware, network, data center supports for a Lockheed Martin contract HHS Department.• Support portal applications running on Apache, Tomcat, Oracle.• Create scripts to automate audits to ensure Linux hosts to conform security audit requirements.• Automate deployment processes for deploying production hosts using AutoYast and post-installation scripts to automatically installing management software on new servers.• Provide system admin support for Nagios servers and Nagios monitors, upgraded Nagios server application.• Provide system admin support for Security applications such as OpenVas scanner, ClamAV antivirus, OSSEC.

Using Agile development method, I participated in daily sprint stand-ups, took part in sprint planning, retrospective, and sprint demos, worked with scrum master to keep backlog groomed, Ensured cross-team coordination, Acted as a scrum master when necessary, Took responsibility for managing dependencies between my team and other scrum teams.• Created, maintained puppet modules automating software deployment. • Provided software, hardware and network support for major commercial Domain Name Service (UltraDNS)• Maintained hardware infrastructure including HP Proliant, EMC CLARiiON.• Supported Network team in maintaining network infrastructure including Cisco routers and switches.

• Provided technical support for Telephone number porting system (WLNP) running on HPUX with Oracle database and Websphere MQ.• Provided project management, oversee project implementation from concept until completion.

• Designed, Configured, and maintained Firewall system using Cisco PIX and router ACL rules.• Designed, Configured, and maintained Networks using Cisco routers and switches.• Maintained Cisco VOIP system using Cisco IP phones, Call Manager, Unity Messaging.• Performed security audit on Windows hosts, SQL and Oracle databases, and internal networks.• Managed DITSCAP accreditation process enabling connectivity to DOD NIPRNet.

• Wrote Perl/shell scripts to monitor and maintain thousands of Unix production hosts.• Wrote security audit software to identify and fix known security holes on Unix hosts.• Identified security problems, propose solutions, and implement changes.• Designed, deployed, managed Host Performance monitor system using NetIQ AppManager.• Maintained EMC Symmetric, Celerra NFS server, Designed file synchronization solution using SRDF/IP.

• Researched, developed, integrated software and hardware to provide new services.• Maintained Netscape and Apache web Servers, Wrote HTML documents and CGI scripts. • Maintained Excite, Verity, Glimpse, HT Dig search engines.• Designed, setup e-commerce system using MIVA software.• Performed system related DBA duties including database backup and recovery, create new databases as needed, write simple SQL scripts to automate tasks, trouble shooting system related DB problems, database performance monitoring.

HP OpenView: Responsible for the NRC Integrated Network Management System running on an HPUX platform. Software includes Network Node Manager (NNM), I/T Operation (ITO), Optivity NMS/Analysis/Planning, MeasureWare, PerfView, NVision web interface. The system pro-actively monitors network devices including routers, hubs, switches, NT/Unix hosts using SNMP and remote intelligent agents. • Designed, implemented, and maintained all the system components including DBA support for the under-laying Oracle database.• Wrote customized programs to interface with OpenView to provide new functionality such as email, page, and audio alarm notifications.• Provided technical support, conducted training to system users and Network Operation Center administrators.• Researched, recommended, integrated new system components to provide new services, Made presentations to clients, management, and other governmental agencies to promote system usage and capability.Security Analyst: Responsible for the NRC firewall systems to provide protection for the internal networks. • Several routers with appropriate filtering schemes to limit accesses to devices in the DMZ and to block all direct accesses to the internal networks.• Various proxy servers providing different proxy services including http, socks, telnet, ftp.• Various LAN segments designed to limit access in cases where systems are compromised.• Harden hosts to be placed in the DMZ.

• Designed, implemented, maintained, optimized NFS server, XDM server, print server, Kerberos.• Maintained and provided support for a high availability (HA) system using GuardWare.• Designed and implemented BOOTP system to boot up X-terminals .• Designed and implemented an automated X terminal fail over mechanism with load sharing.• Evaluated and specified requirements of new X terminals and X server emulation for production deployment, very familiar with Hummingbird Exceed, Attachmate, and PC Xware.• Created, maintained production software packages adhering to software management standards set by the project using Continuus..• Provided system administration, troubleshooting, and support Unix hosts on a very large network.