Vadim Nosovsky

Doha, Qatar
tel: +974 55880349
e-mail: vlad@nobulus.com

Objective

Seeking a Senior Unix System/Network Administrator position with a progressive and growing organization.

Over 15 years experience in ISP, Telecommunication and Education companies with multiple Unix platforms and diverse network equipment.
Strong theoretical knowledge and comprehensive practical experience in Unix system administration and programming, including FreeBSD, BSD/OS, AIX, Linux, SunOS, Solaris, Digital Unix, MacOS X.
BIND/DNS, Apache, WebDAV, IBM HTTP Server, RADIUS with own patches for PostgreSQL and MySQL, FTP, pppd (server and client side, custom patch for dynamic IP allocation)
Some hacks for FreeBSD kernel; innd, ntpd, IPFW/natd.
Programming with C/C++, Perl, PHP, awk and shell for Unix, Java, Borland C++ and IBM C++ for OS/2, Borland C and Assembler for MS/DOS.
DELL Equallogic storage, IBM ESS (Shark), IBM SSA Disk Storage.
Sendmail, Postfix, Courier-IMAP, CriticalPath, CommuniGate Pro, IronMail, Exchange 2010.
Oracle, PostgreSQL, MySQL, WebSphere, LDAP, HACMP clusters.
SGML, XML, HTML.
Monitorinig tools: Nagios, Cacti, MRTG.
Comprehensive hands-on experience with various network hardware (Cisco, Intel, ATI, Lucent).
routing in TCP/IP networks (BGP4, RIP2); network security (Cisco, RADIUS).
Strong formal documentation preparation skills.
Fast learner.

Weill Cornell Medical College in Qatar

Doha, Qatar
Apr 2005 - Present

Designed and deployed DELL Equallogic central storage - 2 sites with replication.
Tivoli Storage Manager (TSM) server upgrade from 5.2 to 5.5.3
Installation and support of WebSphere Portal cluster.
Support CommuniGate and sendmail (IronMail at a later stage) based mail systems.
SunOne LDAP running on Solaris cluster.
FreeBSD, Linux, AIX, Solaris, MacOSX.
Developed CommuniGate Pro serverside rules plugin for SquirrelMail.
Designed and deployed distributed Nagios based monitoring cluster.
Designed and deployed F5 BIG-IP LTM LoadBalancer cluster.
Designed and deployed IronMail cluster.
Performing different day to day scripting tasks.

Orange A/S Denmark

Copenhagen, Denmark
Jun 2004 - Mar 2005

Managed a large number of Unix servers (more than 150 FreeBSD and Linux boxes) including: mail, DNS, WWW, News, Radius, NIS, proxy, MySQL, CVS - tuning system parameters, system upgrades.
Administered various network equipment - Cisco, Lucent, etc. - tuning parameters, software upgrades.
Implemented of HP OpenView based monitoring for Unix servers.
Implemented and administered antispam greylisting server for myorange.dk portal.
Developed a Maildir++ support patch for procmail.
Developed various code in C/C++, Perl, PHP, awk and shell.

Orange World Services A/S

Copenhagen, Denmark
Jan 2003 - May 2004

Installed and administered e-mail web/wap solution for Orange Netherland (former Dutchtone) based on WebSphere, Oracle, CriticalPath running on 2 HACMP clusters on AIX 4.3.3
Provided assistance for installation and further support of IBM e-shop server, based on WebSphere, Oracle, IBM-HTTPServer, running on AIX 5.1
Supervised Local IP registry (LIR dk.owservices).
Prepared systems hand-over documentation.
Provided assistance in several servers migrations.

Orange A/S (former Mobilix A/S)

Copenhagen, Denmark
Dec 2000 - Dec 2002

Planned and coordinated operation of Unix server farm (FreeBSD, Linux) including DNS, mail (sendmail and postfix), web (apache, apache2), proxy (squid), MySQL.
Developed a soft-quotas support patch for Procmail.
Developed, installed and administered RADIUS for ADSL (with custom patches for MySQL authorization).
Developed, installed and administered NTP servers including one stratum-1 server with GPS receiver and 3 stratum-2 servers.
Provided assistance to field engineers for mission-critical tasks.
Supervised Local IP registry (LIR dk.mobilix).
Developed and administered backend for mail platform, based on Postfix and Cyrus IMAP server with MySQL authorization. Deployed antispam grey-listing solution.

ISP Telnet Ltd.

Odessa, Ukraine
Aug 1994 - Nov 2000

Developed and administered Internet node, consisting of CISCO routers, mail, WWW and FTP servers, proxy server, dial-up pool based on MAX-4000 (by Ascend) dialup server and RADIUS server.
Developed, installed and administered PostgreSQL database for mail- and dialup-customers authorization.
Developed, installed and administered dialup RADIUS server with authorization against PostgreSQL database.
Developed, installed and administered sendmail based mail setup with authorization against PostgreSQL database.
Provided consulting services to customers.
Supervised Local IP registry (LIR ua.telnet).
Developed, installed and administered TelexGate, FaxGate and SMTPGate to cc:Mail for OS/2 (C/C++).
Ported Zmodem protocol for OS/2 (C/C++).

IBM WebSphere Portal Version 5.1 Installation, Deployment, and Administration training

HACMP System Administration training

Portal Server (WebSphere) v4.1 Administration

RIPE training

pSeries Logical Partitioning (LPAR) for AIX 5L

AIX Jumpstart for UNIX professionals

39th RIPE Meeting

Odessa National University

Master of science in Physics, Mathematics, Programming and Mathematical modeling.