City Group (New York, NY) 1995 — 1997 Consultant — Unix Administrator • Senior System Administrator in for Solaris and Aix environment and
application development area • Systems included Sun Ultra Enterprise 450, 420R, 4500, and 6500 running on Solaris 2.5.1, 2.6 and Aix 4.3.2 • Development environment composed
of mostly Sun equipment including Sun StorEdge A5200, A5100, D1000 arrays using Veritas and SDS
volume managers • Backed up systems with Legato Networker using BoxHill, Qualstar, and Sun StorEdge L9 tape stackers • Utilized Jrun, WebSphere, WebLogic, Actuate Report Server, iPlanet, and Netscape Enterprise • Senior Unix SA solely responsible for the
application development area supporting Solaris, Aix and Linux platform • Performed massive installation
of Solaris servers using Jumpstart to global distributed network • Installed new and trial software, maintained server stability, backed up system using Legato Networker, debugged system problems such as network connectivity, and
packaged developers» software released to production • Project work involved getting specification from users, recommending appropriate system, submitting purchase order to purchasing, ensuring arrival
of new system, building the system to Sotheby's standard, and installing necessary software for the user • Built and configured IBM and Sun servers installing Aix 4.0 and Solar 2.5 - 2.6 operating system and Oracle 7 • Performed backup and Recovery using ADSM and Tape backup • Automated disk monitoring and routine tasks utilizing Bourne Shell scripting and cronjobs • Served as liaison between vendors on resolving hardware and software issues • Monitored servers using Tivoli Storage Software • Trained and mentored Junior systems Administrators and operators
• Installed, configured, and managed multiple web sites supporting global e-commerce and e-business credit in technical environments comprised
of Solaris 8 - 10 (LDOMS, ZFS, RAID, ZONES, CONTAINERS), Aix 6.1 - 7.1, Linux 4.0 - 5.5, Web Sphere MQ, Apache, Jboss, ATG, DB2, Oracle, MySQL and VMware • Optimized data security through close cooperation between Network Administration, Unix System Administration, NT Administration, DBA, and Backup and Recovery Administration teams • Installed Emulex LPFc, EMC Power path, Navisphere, Veritas
Volume Manager, Veritas cluster server, Veritas File system, Veritas Net Backup etc. and archived original configuration • Utilized expertise in managing and performance tuning major RDBMS Oracle / Sybase / SQL / Informix / DB2 / ATG / SAP • Built and configured IBM, HP and Sun servers, EMC, TSM and Sun SAN • Architected Disaster Recovery System, conducted testing, observed fail errors, and reset the systems • Compiled opensource
applications and packages as necessary for the source of both Solaris and RPM packages • Installed and configured Nagios, Cacti and MRTG graphing tool to monitor and visualize servers and network devices • Managed Send Mail, SFTP, FTP, HTTP, SSL, SSH, DHCP, DNS, NIS, NIS +, DHCP, LDAP, Apache, Tomcat, Web Sphere, BMC Patrol, HP Open View, and Nagios • Coordinated efforts among Development, QA, Production, DR, Systems, DBA, Production, Support, Network Administration, and Applications groups for project completion ahead of schedule and under budget • Planned and developed projects, performed user acceptance tests, and applied patches to fix bugs • Served as liaison with vendors multiple vendors including Cisco, EMC, HP, IBM, Red Hat Linux, Oracle, Sun, and Symantec resolving hardware and software issues in a timely and profess
applications and
packages as necessary for the source
of both Solaris and RPM
packages • Installed and configured Nagios, Cacti and MRTG graphing tool to monitor and visualize servers and network devices • Managed Send Mail, SFTP, FTP, HTTP, SSL, SSH, DHCP, DNS, NIS, NIS +, DHCP, LDAP, Apache, Tomcat, Web Sphere, BMC Patrol, HP Open View, and Nagios • Coordinated efforts among Development, QA, Production, DR, Systems, DBA, Production, Support, Network Administration, and
Applications groups for project completion ahead of schedule and under budget • Planned and developed projects, performed user acceptance tests, and applied patches to fix bugs • Served as liaison with vendors multiple vendors including Cisco, EMC, HP, IBM, Red Hat Linux, Oracle, Sun, and Symantec resolving hardware and software issues in a timely and profess
Applications groups for project completion ahead
of schedule and under budget • Planned and developed projects, performed user acceptance tests, and applied patches to fix bugs • Served as liaison with vendors multiple vendors including Cisco, EMC, HP, IBM, Red Hat Linux, Oracle, Sun, and Symantec resolving hardware and software issues in a timely and professional manner