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Last 6 mos.
All-time
Feedback:
none
none
Hours:
0
0
Assignments:
0
0
See all Work History & Feedback
Location:
Brno, Czech Republic (GMT+01:00)
English Skills:
(self-assessed)
5.0
Member Since:
October 27, 2009
Last Worked:
oDesk Ready:
Yes
Related links:
Trends for
Windows Administration Professionals
Trends for
Linux Developers
Trends for
FreeBSD Administrators
Trends for
MySQL Administrators
Dmytro L.
-
"
-= Senior Linux/Java/MySQL System Administrator =-
-
Freelance
System / Database Administrator
,
Czech Republic
"
Permalink :
Overview
Résumé
Work History & Feedback (0)
Tests (5)
Portfolio (0)
9 years of Linux/Unix System Administration. I have vast experience in web, ftp, sql, dns, email, java, file servers and other, as well as security, backups, monitoring and statistics. Experience in IT at all - more then 12 years. I am looking opportunities for additional work in my free time, perfectly joining startup company.
See All Work History & Feedback
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Recent Work History & Feedback
Buyer ID
From/To
Job Title
Hours
Feedback
Work History & Feedback is empty
See All Tests Taken
(5 items)
oDesk Tests Taken
Name of Test
Score
Percentile
Date Taken
Duration
TCP/IP Test
4.25
95%
TOP 10%
11/05/2009
38 min
Networking Concepts Test
4.40
92%
TOP 10%
11/05/2009
25 min
Unix Test
4.25
89%
TOP 20%
10/28/2009
26 min
Redhat Linux 9.0 Admin Test
3.75
89%
TOP 20%
10/28/2009
35 min
oDesk Readiness Test for Independent Contractors and Company Managers
10/28/2009
9 min
Recent Candidacies
Job Opening Title
Initiated By
Date
IT support Engr.
Provider
November 9, 2009
Startup needs sysadmin
Provider
November 5, 2009
Linux server monitoring & admin needed
Provider
November 4, 2009
OS 10.6 DNS Setup
Provider
November 4, 2009
Tomcat/Apache/Mod_JK expert
Provider
November 1, 2009
Systems & Server Administrator
Provider
October 29, 2009
webserver administrator linux
Provider
October 29, 2009
Job Category Interests
Networking & Information Systems
DBA - Database Administration
Server Administration
Other - Networking & Information Systems
Skills
Skill
Experience
Level
Last Used
Description
Backups
9 yrs
5.0
2009
RAID, LVM, rsync, dump, tar, own scripts. Backups of files and databases.
Internet services
9 yrs
5.0
2009
DNS (bind), DHCP, FTP (proftpd, vsftpd), Proxy (Squid), MTA (sendmail), Web (Apache+ssl+php+perl+…), File (Samba, NFS), Java (Tomcat+mod_jk+JDK, JBoss), Webmin, Plesk, Anti-Spam (dspam), drupal.
Java Administration
5 yrs
5.0
2009
Administration of systems dedicated for hosting java-based applications running on Tomcat or JBoss.
Linux Administration
9 yrs
5.0
2009
Linux is my main point professional interest. I was working in mixed enviromants, but found this operations system more interesting to me. For past, almost 10 years, I did regular system maintenance (security, backups, monitoring, statistics, updates) plus administration of various services for web, ftp, db, dns, email, java, file servers and other.
Monotring
9 yrs
5.0
2009
From the first days of my experience with Linux OS, I was dealing with monitoring of business critical server and services. The tools that where used - Cacti, Nagios, SNMP, rrdtool, awstats plus custom scripts.
MySQL
6 yrs
4.0
2009
This was the mostly used Database Engine in the companies were i was working. Starting from very small sites, to 100Gigs databases, working together with developers and project architects I was doing performance tuning, administrating access rights, choosing hardware specifications, backups, replication, data handling.
Networking
9 yrs
4.0
2009
Everyting except dynamic routing protocols - configuring TCP/IP, routing, NAT, PPP, tunnelling (gif, ssh), traffic shaping (dummynet, tc), traffic analysing (netflow, NeTAMS, tcpdump, sniffers and port scanners), security (snort, iptables).
Security
9 yrs
4.0
2009
Firewalls (ipfw, iptables), openssh, vpn (IKE, IPSec, vtun, openvpn), aide (Tripwire like program), antivirus software (KAV, drweb), sudo, gathering and monitoring of system logging information, system integrity checks, post-install tuning.
Shell Scripting
9 yrs
4.0
2009
Bash, sed, awk, perl. I am not expert in this, but I use them as the instruments for solving my/company needs - for automation, monitoring, backups.
Unix Administration
2 yrs
2.0
2009
Started from 2007 I faced many different flavors of Unix operation systems - Solaris, HP-UX, AIX, BSD. I am not expert in these operation systems, but have enough knowledge to perform tasks similar to those I already did for Linux.
virtualization
5 yrs
5.0
2009
XEN, KVM, VMware.
Windows Administration
8 yrs
3.0
2006
Was working with this operation system mostly in mixed environment where Windows was not the primary business critical server solution.
Certifications
Date Earned
Name
Score
Percentile
Organization
Description
No Certifications
Employment History
From
To
Company
Title/Role
Description
01/2005
Present
www.4shared.com
Senior System Administrator / Independent Contributor
This is top 100’s (alexa.com - world traffic rank) member - online project driven by Java, Tomcat and MySQL. I started from one server and currently administrating hundred dedicated Linux servers. Being the only administrator I perform all aspects of system administration – monitoring, security, automation, backups, performance tuning, etc.
10/2008
Present
www.jboss.org
Senior System Administrator / Independent Contributor
Was one of the 3 responsible persons for transferring 2 environments to another location. Currently managing jboss community and QA environments, performing all aspects of system administration plus requests coming from developers, and fixing day-to-day issues.
11/2004
07/2007
www.bankoi.com
Linux System Administrator / Independent Contributor
Was part-time system administrator of the company web-hosting infrastructure. My responsibilities included regular maintenance of the systems, resolutions of the arising problems, monitoring, backups, etc.
10/2004
12/2005
www.keysurvey.com
Linux System Administrator / Independent Contributor
Full-time administration of Linux 24x7 production servers which provided hosting for the company's Java application. Optimization system services. Security. Monitoring.
Education
From
To
School
Degree
Area of Study
Description
09/1998
05/2004
National Technical University of Ukraine
Masters
Computer networks and systems
Department of information science and computer engineering.
Specialization: Computer networks and systems.
09/2002
12/2003
London School of English
Other
English
FCE
No items in portfolio
Hourly Assignment History
Buyer ID
From/To
Job Title
Hours
Feedback
Hourly Assignment History is empty
Fixed-Price Assignment History
Buyer ID
From/To
Job Title
Paid
Feedback
Fixed-Price Assignment History is empty
oDesk Tests Taken
Name of Test
Score
Percentile
Date Taken
Duration
TCP/IP Test
4.25
95%
TOP 10%
11/05/2009
38 min
Networking Concepts Test
4.40
92%
TOP 10%
11/05/2009
25 min
Unix Test
4.25
89%
TOP 20%
10/28/2009
26 min
Redhat Linux 9.0 Admin Test
3.75
89%
TOP 20%
10/28/2009
35 min
oDesk Readiness Test for Independent Contractors and Company Managers
10/28/2009
9 min