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Flag of Russian Federation Moscow, Russian Federation
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Member since May, 2010

Highly skilled Information Technology Professional with established expertise in installation, configuration and administration of Unix-based computing environments ranging from several to 300+ nodes. My specialities are: Solaris, Sun Cluster, VxVM, Veritas Cluster, Netbackup, HDS, SAN, Linux, FreeBSD, Networking. I personally don't believe in the certificates, because they prove nothing, but in my case they are a supplement to what I've learnt with the sweat and blood in the IT field. During the whole my career I've been dealing with the most frequent SAs' tasks: - OS installation (netboot & kickstart, jumpstart) and configuration (Linux, FreeBSD, Solaris, HPUX); - Mail systems (Sendmail, Exim, Postfix, Courier-IMAP, SpamAssassin, SPF/DKIM, ClamAV ); - DNS and DHCP; - WWW (Apache, Tomcat, Resin, mod_php, mod_perl, mod_jk, mod_rewrite, mod_proxy, mod_proxy_ajp, Squid); - FTP (ProFTPD, PureFTP, VSFTP) - Networking (Firewall, Load Balancing, Cisco, Foundry); - Monitoring (Nagios, Munin, Cacti, Zabbix); - Databases (MySQL, PostgreSQL, Oracle); - Scripting (shell, perl); - HA (Heartbeat, Redhat Cluster, Sun Cluster, Veritas Cluster); - SAN (Brocade, Sunbox, HDS, HP, Sun StorEdgeTek); - All Sun's hardware and software (I'm a certified Sun Field Delivery Engineer); Of course, there are many things out there, Amazon EC2 for example, I haven't dealt with yet but I'm absolutely confident that I'm able to grasp almost everything in a short period of time if there is such a need or a requirement. That's said, if you're after a proven and diligent IT expert then you've come to the right place. It's my pleasure to be of any help to you. Please, feel free to visit my LinkedIN profile for more recommendations -

5.0 / 5
3.8 / 10

@tetron

  • 89%Jobs Completed
  • 100%On Budget
  • 100%On Time
  • N/ARepeat Hire Rate

Recent Exams

  • General Orientation Top 4%
    85%
  • Unix Level 1 Top 7%
    95%
  • US English Level 1 Top 39%
    90%

Top Skills

  • Linux
  • MySQL
  • DNS
  • System Admin
  • Script Install
  • Troubleshooting
  • Cisco
  • Apache
  • Shell Script
  • Solaris
  • UNIX
+ show more

Recent Reviews

  • image of bluetundra linux guru $40.00 USD

    “excellent communication skills and competent. Hard worker- willing to go the distance”

    bluetundra Flag of United States 4 years ago.
  • image of hzhu01 setup email server on ubuntu server x64 $250.00 USD

    “tetron is absolutely an asset here at freelancer! He is very knowedgeable on the unix/linux server system, and he has gone above and beyond on the project! The communication has been great, he is always prompt and timely on replies, and been up front if he has to be away from internet access for a few days and let me know of possible delay. He also has demonstrated top totch professionalism and ethical standards, I would definitely choose him again. choose him and you would not go wrong here.”

    hzhu01 Flag of United States 4 years ago.
    • PHP
    • Linux
    • Joomla
    • eCommerce
    • MySQL
  • image of Lehto DNS settings for ISPConfig 3 $42.00 USD

    “Realiable web server professional with excellent service.”

    Lehto Flag of Finland 4 years ago.
  • image of zarnabdurrani Mail server Configuration required on CentOS $35.00 USD

    “Very very very impressive, professional and helpful work. Must work with Tolmachev Again Thanks A++++++++++”

    zarnabdurrani Flag of Pakistan 4 years ago.
    • System Admin
    • Computer Security
    • DNS
  • image of businesscenter Linux with Ubuntu 10.04 and Ispconfig $30.00 USD

    “Wonderfull service 100% i advice for service... excelent advice and support.”

    businesscenter Flag of United Kingdom 4 years ago.
    • Linux
  • image of jarb1 Set-up proxy software on linux virtual dedicated server $30.00 USD

    “He did a great job. Patient, diligent and very knowledgeable. Would certainly hire again. Highly recommended.”

    jarb1 Flag of United States 4 years ago.
    • Linux

Education

Master

1995 - 2001 (6 years)

Certifications

Cisco Certified Network Associate - CCNA (2008)

Cisco Certified Network Associate - CCNA

Sun Certified System Administrator for the Solaris 9 Operating Environment (2008)

Sun Certified System Administrator for the Solaris 9 Operating Environment

Sun Certified System Administrator for Solaris 10 OS (2008)

Sun Certified System Administrator for Solaris 10 OS

Sun Certified Network Administrator For Solaris 10 OS (2008)

Sun Certified Network Administrator For Solaris 10 OS

Sun Certified System Administrator For Sun Cluster 3.2 (2009)

Sun Certified System Administrator For Sun Cluster 3.2

TDC-001 Sparc Entry Level Classroom Based Component + Required Exam (2009)

TDC-001 Sparc Entry Level Classroom Based Component + Required Exam

TDC-003 Sparc Mid-Level Classroom Based Component + Required Exam (2009)

TDC-003 Sparc Mid-Level Classroom Based Component + Required Exam

TDC-004 Storage Entry-Level Classroom Based Component + Required Exam (2009)

TDC-004 Storage Entry-Level Classroom Based Component + Required Exam

TDC-006 SPA Mid-Level Storage Disk Field Engineer Accreditation: StorageTek 6140 + 6540 & Required Exam (2009)

TDC-006 SPA Mid-Level Storage Disk Field Engineer Accreditation: StorageTek 6140 + 6540 & Required Exam

SL500 and L700 Setup and Service + Required Exam (2009)

SL500 and L700 Setup and Service + Required Exam

TDC-008 Sun Enterprise Mx000 Server Series Support Readiness Training + Required Exam (2009)

TDC-008 Sun Enterprise Mx000 Server Series Support Readiness Training + Required Exam

Veritas Storage Foundation 5 for Unix (2008)

Veritas Storage Foundation 5 for Unix

Veritas NetBackup 6.5 for Unix (2008)

Veritas NetBackup 6.5 for Unix

Veritas Cluster Server 5 for Unix (2009)

Veritas Cluster Server 5 for Unix

Installing, Configuring and Maintaining Hitachi Universal Storage Platform V and Universal Storage Platform VM (2009)

Installing, Configuring and Maintaining Hitachi Universal Storage Platform V and Universal Storage Platform VM