Alexander Prohorenko
2003-Nov-21 09:20 UTC
Looking for UNIX Systems Administrator position (FreeBSD)
Alexander Prohorenko
Mandrikovskaya str. 171, appt. 141
Dniepropetrovsk, 49094
UKRAINE
white@extrasy.net
Home +380 (562) 67-93-07
Mobile +380 (67) 567-77-78
(Senior) UNIX Systems Administrator
(with essential experience of Networks Security Administrator)
Objective:
I wish to obtain a position in Network or System Administration.
To improve systems configurations, performance and security with
clear documentation, and streamlined procedures. To provide solutions
that will meet the demands of a growing network that includes fail
over and fault management and sincere processes for customer service.
Summary of qualifications:
Senior UNIX Systems Administrator and Network Security Administrator
highly qualified to design, install, and manage enterprise networks
and their requisite security infrastructure. Have more then 6 years of
professional experience, skilled at configuring and troubleshooting an
extensive range of network and security equipment: routers and switches,
firewalls, UNIX and Windows servers, network management applications,
routing protocols, WAN and wireless technologies. Consistently seeking
and implementing new and more efficient processes to improve the company
LAN, WAN and security architecture. Team player and an innovator who is
willing to go the extra mile to achieve company objectives. Very capable
and competent Internet researcher and very efficient in the work.
Self-motivated and a quick learner, constantly studying and training to
keep abreast of new technologies. Have the flexibility to travel or
relocate as a company requires.
Experience Summary:
- Strong Solaris 2.6, Solaris 7, Solaris 8, Solaris 9 on x86 and SPARC
platforms experience
- Strong experience with FreeBSD starting from 2.2-CURRENT branch
- Good knowledge of Linux: RedHat, ASP, Slackware and Debian
distributions
- Good knowledge of Cisco routers, access servers and switches
AS5300, 3600, 2500, 1600, 1700, 800, and Catalyst series
- Good knowledge of Ascend MAX400 access servers
- Good knowledge of PairGain equipment, Zelax, Granch and Cronyx
equipment
- Basic knowledge of 3Com HiPer Access Router Cards, U.S. Robotics
Total Control (tm) NETServer Cards
- Good knowledge of Windows 2000, XP and NT
- More then 3 years of ISP experience
- Full understanding of the TCP/IP suite of Internet protocols and
network concepts, IP addressing, subnetting
- Hands-on experience of WAN networking Frame Relay, ISDN, T1, DSL,
CSU/DSU X.25 networks
- Good knowledge of PPP, SLIP protocols
- Good SECURITY experience: SSH, VPN, IPSec, SSL, RADIUS, TACACS+
- Strong NETWORK MANAGEMENT experience: SNMP, syslog, packet analizer
- An excellent SYSTEM ADMINISTRATION experience: DNS, SMTP/ASMTP, POP3,
IMAP, NNTP/NNRP, FTP, HTTP, NFS, NIS/NIS+, PPTP, PPPoE, Samba, DHCP,
kernel tuning
- Working knowledge of Apache httpd-server and modules, Jakarta/Tomcat
and XFree projects
- Working knowledge of RIP, OSPF, and BGP routing protocols
- Good knowledge of NetFlow protocol
- Good experience in development under UNIX (FreeBSD, Solaris)
- Strong experience in C programming
- Strong experience in SED, AWK, and Shell scripting
- Hands-on experience in Perl and PHP programming
- Strong experience in development using Apache API, shared memory and
SYSV features
Working experience:
August 1999 - till date
Network Lynx, Rio Rancho, NM, USA
Sr. UNIX Systems Administrator
Configured and administrated more then 20+ UNIX (FreeBSD) servers. Building and
management of the network security. Developed strong and secure authorisation
system based on Apache and PAM/RADIUS. Managing of the mail service using
Sendmail,
Postfix and Exim4 MTAs. VPN techlogoies implemented for the distributed
internal
network. Built secured connections with the remote access points using the
IPSec
technology.
December 2002 - May 2003
Exfloyt Ltd., Dnepropetrovsk, Ukraine
Network Systems Administrator
An Exfloyt Ltd. company was a Cable Access Service Provider with more
then 100+ high-speed connectyed end-users. I have joined the company
as a co-founder and was playing the main role of technical supervisor
and Network Systems Administrator. I have been in charge of different
financial questions devoted to the technical equipment purchasing. The
security questions was the part of my charges, too. VPN and PPPoE
technologies has been implemented. Dynamic firewall configured. Provided a
leadership for group of more then 10 professional individuals.
December 2001 - July 2002
POE Extracom dba Extra Communications, Dnepropetrovsk, Ukraine
Sr. UNIX Systems Administrator
Extra Communications company was the first Cable Inter/Intranet Service
Provider all over the Dnepropetrovsk region, Ukraine. I've joined the
company as co-owner and co-founder of it. We were providing an innovating
technologies of Internet access and had a great popularity in our region.
Built a strong network accounting system using VPN, DHCP. Provided a
leadership for group of 5 professional individuals.
September 2000 - July 2001
Alkar Teleport Ltd., Dnepropetrovsk, Ukraine
Network Systems Administrator
Alkar Teleport is a nation-wide Internet Service Provider Company and
one of the most popular ISPs in Ukraine. I have been in charge of
configuration and administration of Ascend (Lucent) MAX400 access servers,
Cisco Catalyst and 3600 series router. Also, UNIX-based routers, running
FreeBSD were configured and administered by me. I used to be a supervising
manager of building X.25-through-TCP/IP network on Cisco equipment: 1600,
1700 and 800 Cisco routers series. Also, I've used to work with the Radyne
Comstream DMD15B, Paradise Datacom P400 and SDM-8000 sattelite modems,
running Reed Solomon modules, QPSK and 16QAM modulations. A definite
questions of network security were part of my charges, too. Provided a
leadership for group of 2 professional individuals.
August 2000 - September 2000
Trifle Co., Ltd., Dnepropetrovsk, Ukraine
Sr. UNIX Systems Administrator
Trifle Co. is an Internet and VoIP Service Provider Company. I've been
engaged in the contract job for this company. The most of my charges
were configuration and administration of the UNIX (FreeBSD) servers and
Cisco routers.
August 1999 - December 1999
Alkar Teleport Ltd., Dnepropetrovsk, Ukraine
Network Engineer
Alkar Teleport were one of the lead Internet Service Provider Company in
the Dnepropetrovsk city. I've been in charge of technical support for
Internet servers running under various UNIX systems and Windows-based
client workstations. I have developed a troubles-reporting system. I have
used to work with end-users in Technical Support Department.
March 1999 - September 1999
Dental Lloyd Handels GmbH dba dln Internet, Innsbruck, Austria
Network Systems Administrator
System administration of UNIX Internet servers with T1 connection. Developed
network and accounting applications for ISP node under different UNIX
platforms:
FreeBSD, Linux and Solaris. Setup and support for the InterNet News server
(INN),
mail server with Sendmail MTA (POP3, IMAP4, SMTP), DNS (BIND), NFS, FTP and
Apache
Web servers. Support of Windows NT LAN and file-sharing. Developed software
for
automation of accounting and customer service processes. Built a service based
on
IP tunneling technology under FreeBSD. Administered Cisco 2503, 2509, 1603
routers.
Also, developed a strong security system with great perfomance and extremely
good
cost effectiveness.
September 1995 - August 1997
Art Prodigy Multimedia dba APM, Dnepropetrovsk, Ukraine
Network Engineer
Software support for BETACAM professional video cams under WinNT. Managed
a network of Windows NT servers. System administration of UNIX Internet server.
Developed front-end applications for POP3 and SMTP protocols, UNIX (FreeBSD)
applications for tunning InterNet News Server (INN).
Educational Background:
2001 - 2002
Master Degree, Technological faculty of National Metallurgical
Academy of Ukraine, Dnepropetrovsk, Ukraine
1997 - 2001
Bachelour Degree, Technological faculty of National Metallurgical
Academy of Ukraine, Dnepropetrovsk, Ukraine
Additional Education:
1997 - 2000
Referent-Interpreter (English) Courses, Humanitarian faculty of
National Metallurgical Academy of Ukraine, Dnepropetrovsk, Ukraine
Certifications:
May 8, 2000
Unix System Administrator, The Southeastern Insititute of
Computer Technology
April 27, 2000
Cisco Router Configuration Specialist, eCertifications
April 20, 2000
Unix V Systems Administration, eCertifications
March 13, 2000
English Referent-Interpreter, Humanitarian faculty of National
Metallurgical Academy of Ukraine
October 10, 1999
Master UNIX Administrator, BrainBench (formely TekMetrics)
June 12, 1999
Linux Administrator, BrainBench
May 28, 1999
UNIX Programmer, BrainBench
February 3, 1999
C Programmer, BrainBench
References:
Avaible upon request.
Work ability:
H1B (Work) visa sponsorship required
Publications:
Articles:
1) Security Tricks (TechRepublic)
http://www.extrasy.net/me/articles/security-tricks.txt
2) TCP Hijacking (TechRepublic)
http://www.extrasy.net/me/articles/tcp-hijacking.txt
3) How to RIP? (TechRepublic)
http://www.extrasy.net/me/articles/how-to-rip.txt
4) Scanning (TechRepublic)
http://www.extrasy.net/me/articles/scanning.txt
5) Shared Memory (TechRepublic)
http://www.extrasy.net/me/articles/shared-memory.rtf
6) How to BGP? (TechRepublic)
http://www.extrasy.net/me/articles/how-to-bgp.rtf
7) Building Firewall (TechRepublic)
http://www.extrasy.net/me/articles/building-firewall.rtf
8) Iteraction with MySQL (TechRepublic)
http://www.extrasy.net/me/articles/iteraction-with-mysql.rtf
9) Cisco IOS Basics (TechRepublic)
http://www.extrasy.net/me/articles/ios-basics.rtf
10) Running X.25 over TCP/IP on Cisco Routers (TechRepublic)
http://www.extrasy.net/me/articles/x25overtcp.rtf
11) Managing Cisco IOS images (TechRepublic)
http://www.extrasy.net/me/articles/cisco-images.rtf
12) Frame Relays on Cisco (TechRepublic)
http://www.extrasy.net/me/articles/cisco-fr.rtf
13) Access-Lists on Cisco routers (TechRepublic)
http://www.extrasy.net/me/articles/cisco-acls.rtf
14) Adding Hard Drives for Linux (Linux Planet)
http://www.linuxplanet.com/linuxplanet/tutorials/4232/
15) Linux and Sybase: How to install Sybase ASE on your Linux server
(Linux Planet)
http://www.linuxplanet.com/linuxplanet/tutorials/4323/
16) RAID at the rear of Linux (Linux Planet)
http://www.linuxplanet.com/linuxplanet/tutorials/4349/
17) Introduction in developing Apache modules using C in the UNIX
environment (TechRepublic)
http://www.usa.dp.ua/articles/apache-modules.rtf
18) Developing TCP socket server and client with SSL support
(TechRepublic)
http://www.usa.dp.ua/articles/ssl-tcpdaemon.rtf
19) Remote Administration of Linux Systems (Linux Planet)
http://www.linuxplanet.com/linuxplanet/tutorials/4400/
20) Setting Up Your Own Diskless Workstations with LTSP
(Linux Planet)
http://www.linuxplanet.com/linuxplanet/tutorials/4472/
21) Adding hard drives for FreeBSD (O'Reilly ONLamp)
http://www.extrasy.net/me/articles/freebsd-hdd.txt
22) Cleaning the server out of viruses and SPAM (BYTE.com)
http://www.extrasy.net/me/articles/mailscanner.txt