areas of proficiency
May 2013 - present
Managing large-scale infrastructure, distributed across multiple physical data centers. HTTP, clustered systems, RDBMS and noSQL systems. Node deployment, nginx, haproxy, HA solutions, DNS, http traffic routing, BGP, ospf, databases replication, deployment of java services, web services, log aggregation, hadoop, CDN, traffic management.
December 2009 - April 2013
Tivoli Storage Manager (TSM), IBM Tape Library, Netapp NAS, DS4700, DS4800, IBM SAN Volume Controller (SVC), Brocade Fabric, Brocade Data Center Fabric Manager (DCFM) Enterprise, Linux (SuSe, RedHat), AIX, Solaris, HP-UX, HP x86 servers
October 2008 - February 2012
Software deployment, Unix management, documentation, unattended deployments, system administration, scripting and packaging, Unix automation, hardware and software troubleshooting, virtualization.
April 2006 - October 2008
Testing Java ES (SunONE) in post integration with emphasis on interoperability between remote components and upgrade / migration procedures and compatibility (customer scenarios). Troubleshooting, bug reporting, automating processes, contributing to upgrade / migration guide and helping with tests specifications regarding directory server. Access Manager and Directory Server clusters. 30% of time working as system and network administrator for group's 350 testing and production machines. Firmware upgrades, troubleshooting sw (dtrace) and hw problems, updating/patching software, initial installations, reconfigurations, resources and security administration, ZFS and zones configuration, backups, unattained Solaris and Java ES installations using JET - JumpStart Enterprise Toolkit, network management (DNS, NIS), nagios, iSCSI, xen and ldoms (virtualization). Hw: v880, v440, v240, v210, v20, x4600, x4100, x2200, x2100, v65, v60, Blade 1600, 280R, T2000, StorEdge T3, T4, 3310/3320 (JBOD).
April 2004 - March 2006
Teaching LPIC (Linux Professional Institute Certification). Learned how to explain complicated stuff using simple language and how to work/get along with different people.
November 2002 - April 2004
Project 1 (Belgrade, November 2002 - September 2003):
Developed 9 nodes Linux Beowulf cluster for ETA weather forecast model. Wrote XML configuration based scripts for automated cluster topology reconfiguration. Wrote documentation using DocBook. Also performed systems administration duties 35% of the time. Technologies: Portland Group PGI, MPI
Project 2 (MÃ¼nchen, September 2003 - April 2004):
Server migrations. Daily task included administration of over 40 Linux (Debian / RedHat / Suse) servers and several Sun's servers running Solaris 8. Primary task was to administer Linux Beowulf cluster which was running ETA forecast model, and satellite computers that were computing data for pre processing and post processing for this system. Most of the services were time critical. LAN/WAN administration including several Cisco routers. Implemented rsync based backup system for Linux servers and database fail-over system. Implemented SNMP (rrdtool) for network management/monitoring.
June 2001 - September 2002
Performed administration and maintenance of the company's UNIX systems and internal and external networks (Cisco routers and 3com VPNs). Implement SNMP and rrdtool for extensive network management. Daily tasks also included remote administration of customer's web (apache), mail (postfix, qmail) and database (mysql, postgresql) Linux servers.
November 2000 - June 2001
Migration from Windows NT 4.0 to FreeBSD servers. Daily tasks included administration of FreeBSD and Linux mail, web, database server and some shell programming. Rebuilt network from the ground. LAN administration including Cisco access servers. Implement SNMP for extensive network management.
areas of proficiency
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Other: 51 West Dayton St. Suite 100, Pasadena, CA 91105, United States
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