System Engineer
Resume:
VLADIMIR ROSENBAUM
*** ******* ****, ***********, ** 60073
*****.*********@*****.***
US Citizen
•
PROFILE SUMMARY
Over fifteen years of experience with mission-critical UNIX Syste
•
Cellular, Tenneco Automotive]
• Proficient in implementation, configuration and administration o
SUN, HP-UX, AIX and Linux Servers
• Five years of experience with Linux Red Hat Enterprise Server
• Five years of experience with VMWare
• Strong experience with Backup, Storage, and SAN
Strong knowledge of backup and recovery concepts with “advan
•
• Strong experience with Symantec Netbackup, Veritas Volume M
Server, EMC Control Center Suite, MC/Service Guard, IP Multi
• Proven ability to adapt quickly to new technologies and changi
adhere to strict moral values and ethical code
• Possess great leadership skills and excel within highly compet
PROFESSIONAL EXPERIENCE
US Cellular, Bensenville Sept 2007 - Present
Systems Engineer
In a ten-person team supporting back-up &
HP-UX, AIX, Linux servers.
TECHNOLOGIES USED
• Symantec Netbackup
• Deduplication
• SL3000 tape library with LTO4,
LTO5, TO6 tape drives
• Linux, HP-UX, AIX SUN Solaris
operating system
• RedHat Satelite Server, kickstart
server (PXE, TFTP)
• HP-UX: rx8640,rp54xx, rp74xx, HP
Blade Center
• IBM: Power 750,770; IBM Blade
Center, x3650 M4
• SUN:T5220, Jumpstart Server
• DS8000, XIV, Clariion storage arrays
• MDS9000 SAN switches
• VMWare
• Citrix
HIGHLIGHTS
• Backup environment optimization led
to $500,000 savings in license and annual
maintenance costs
• Increased backup success rate from
97% to 99.85%
• Improved server configuration until
we reached 100% SOX control pass
• Created shell scripts to alert admins
of server problems, drastically reducing
downtime
• Created a web application that
allowed all parties affected by backup
failures to monitor backup status and
download reports, freeing significant time
for system admins
• Introduced first implementation of
VMWare backup
• Led an IVR project team in charge of
building and deploying 27 SUN Solaris10
servers in six call centers
• Led a team in a CISCO MDS switch
replacement project in three datacenters,
replacing MDS9509 switches with
MDS9513 switches
• Led a project implementing an
Oracle ZFS Storage array
• Led implementation of Netbackup
Analytics which replaced Glass House
Service, saving $300,000/year
ACHIEVEMENTS
• Developed and maintained standards
for HP-UX, SUN, AIX and Linux RedHat
Enterprise Server operating systems
• Performed Logical Volume
Management, security, kernel
configuration, performance and tuning,
debugging of software and hardware
related problems, and various operating
system upgrades
• Administered Symantec Netbackup
environment, overseeing upgrades,
configuration, and troubleshooting from
version 3.4.1 to 7.6.0.1; Implemented
deduplication appliances, and Oracle VTL
library; Moved short term retention
backups from tape to disk; Optimized the
backup environment by consolidating
backup servers and tape libraries
• Supported HP ServiceGuard on HP
rx8640 nPars and VPars
• Supported Veritas Cluster Server for
AIX servers
• Created development environments
allowing for software upgrades to be
tested before being moved to the
production environment
• Documented procedures for server
configuration and tasks, as well as
backup environment using Visio diagrams
• Maintained MDS9509 and MDS9513
SAN switches; Created zones, performed
firmware upgrades, troubleshot fiber
connectivity
• Migrated servers from EMC
Symmetrix to IBM DS8000 and XIV
storage arrays
• Supported database administrators
with all database upgrades
• Worked with external auditors to
ensure all operating systems were SOX
compliant
• Created shell scripts for various
UNIX tasks and for monitoring servers
• Followed proper change
management procedures for any system
downtime
• Configured Netbackup to backup
VMware using snapshot
Tenneco Automotive, Lincolnshire Apr 1997 – Sept 2007
UNIX and Windows System Administrator
TECHNOLOGIES USED
• Symantec Netbackup
• SL3000 tape library with LTO4,
LTO5, TO6 tape drives
• Linux, HP-UX, AIX operating system
• DS8000, XIV, Clariion storage arrays
• MDS900 SAN switches
• VMWare
• Citrix
• Windows 2003 Active Directory
HIGHLIGHTS
• Introduced first VMWare server
• Introduced first Windows 2003 Active
Directory
• Achieved 100% success on Disaster
Recovery test
• Introduced AIX servers
• Successfully introduced disaster
recovery procedure for Citrix, reaching
100% success on disaster recovery
testing.
ACHIEVEMENTS
• Maintained HP-UX servers and
applied HP-UX Operating system
proactive patch bundles and SUSE Linux
Enterprise Server Service Packs on a
yearly basis
• Performed upgrades from HP-UX
11:00 to 11:11 and created weekly
backups using Ignite
• Performed Logical Volume
Management, security management,
kernel configuration, performance tuning,
debugging of software and hardware
related problems
• Provisioned EMC and Clariion disk
• Led the team effort for the periodic
data migration from old EMC to a new
EMC Symmetrix (a technology refresh)
• Implemented AIX servers and
migrated European Datacenter to
Lincolnshire, IL using TSM backup/restore
• Maintained Windows servers,
performing monthly patching and
upgrading Windows 2000 to Windows
2003
• Maintained Citrix environment
• Participated in Proof of Concept for
VMWare Server
• Administered Symantec Netbackup
environment for Unix and windows
Servers
• Documented procedures for both
HP-UX and Windows servers and
participated annually in disaster recovery
testing off-site at IBM
EDUCATION
Electrical Engineering degree 1986
Traian Vuia Polytechnical Institute
Timisoara, Romania
TECHNICAL COURSES
• HP-UX System and Network
Administration I and II
• POSIX Shell Programming
• Hands on with LVM and Mirror disk
HPUX
• SUN Solaris administration I and II
• Windows 2000 Server Administration
• Windows 2003 Active Directory
• SUSE Linux Enterprise Server
Optimizing and Troubleshooting
• Technical writing Skills
• AIX virtualization
• HP-UX Virtualization
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