Alexander L.
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Alexander L.

FreeBSD / MikroTik / voip / Linux / Cisco Engeneer


Zaporizhzha, Ukraine


I have 17+ (since 1997) years experience in system administration on FreeBSD servers and routers, Cisco routers and switches, TCP/IP, Centos Linux on trixboxes and Elastix, MikroTik routers, VMWare ESXi, etc. I have network and system andminstration, network engineering, management, troubleshooting and repair experience and skills. Also I have voip experience in such protocols h323, sip, iax2, and configuring various voip devices and clients. Setup trixbox, elastix servers with voip clients and trunks. Configure security for that servers. I have expereince with such unix software: Exim, Dovecot, Squid, Apache, nginx, pure-ftpd, ftpd, monit, nagios. Standard administrator day-by-day scripting skills - shell, sed, awk, perl, ... morephp. Have experience with databases mysql and postgresql. MTCNA cert available at: less

Work History and Feedback

  • Apr 2012 - May 2012

    Security Website & Server Management
    Great at what he does, sometimes slow to respond with emails. I have enjoyed working with him.
    26 hours
    $35.00 / hr
    $921.55 earned


Name Score (out of 5) Time to Complete
Cisco Networking Test 3.75 Top 30% 35 mins
Networking Concepts Test 4.50 Top 10% 23 mins
What's the difference?

Work History

26 hours worked
1 job


Less than 30 hrs/week

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