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5.0
(132 reviews)
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$15 USD / hour
Flag of RSFlag of RS
novi sad,
serbia
$15 USD / hour
It's currently 6:08 AM here
Joined October 11, 2007
0 Recommendations

Janko V.

@valjan

monthly-level-two.svg
5.0
(132 reviews)
5.0
(132 reviews)
6.0
6.0
$15 USD / hour
Flag of RSFlag of RS
novi sad,
serbia
$15 USD / hour
96%
Jobs Completed
100%
On Budget
100%
On Time
41%
Repeat Hire Rate

Janko Valencik, a versatile freelancer from Novi Sad, Serbia

I have more than 25 years of experience in administering all flavors of Windows Server, workstations with MacOS, and some Linux administration experience (Ubuntu and CentOS). I have experience with Exchange, IIS, ISA, Microsoft cloud services (BPOS, Hosted Exchange, Forefront, etc.), Symantec BackupExec and BackupExec System Recovery, Asterisk PBX, network printers including some specialized ones, routers and WiFi APs, various handheld devices, POS equipment, etc. I am MCSA since March 2007, dCAA since Octboer 2013, MTCNA since December 2015. I have Certificate of Proficiency in English since 2000. ## Area of Expertise - MCSA, - Mikrotik (MTCRE) - networks, - computer security - malware removal - Asterisk (dCAA) - Clipper + dBase IV, - Visual Basic, - Java, - MySQL, - PHP, - HTML, - JavaScript, - CSS, - Joomla - MS Office macros - languages (English, Slovak, Serbian, German, some Danish)
Freelancer
PHP Developers
Serbia

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Reviews

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Showing 1 - 5 out of 50+ reviews
Filter reviews by: 5.0
$55.00 USD
Valjan is a professional Asterisk engineer. He is fast and hard working. He worked overtime to deliver the job satisfactorily.
Asterisk PBX
A
Flag of GB Adrian R. @adrianross22
3 years ago
5.0
$306.00 USD
I am very impressed with the resolve to find and fix difficult FreePBX issues. His knowledge of FreePBX and Asterisk is amazing. I will be using him again.
Engineering
Electronics
Asterisk PBX
C
Flag of CA Greg W. @CGurus
3 years ago
5.0
$40.00 USD
Always an excellent resource! Thank you again!
PHP
System Admin
Microsoft Exchange
MySQL
Windows Server
Hire me
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Flag of US Ryan V. @rvlconsulting
4 years ago
5.0
$20.00 USD
Does excellent work and is dedicated to his clients!
Technical Support
Windows Server
Network Administration
Computer Support
User Avatar
Flag of US Eric C. @hitecheric
5 years ago
5.0
$35.00 USD
Superb experience! will hire again soon
Windows Desktop
System Admin
Windows Server
Network Administration
User Avatar
Flag of LT Eiminas V. @strelson
5 years ago

Experience

Engineer - developer

Alfanum d.o.o.
Jun 2011 - Present
- Setup and maintenance of Asterisk PBX - Setting up IVRs, creating PHP AGI scripts - Setup and maintenance of Voicedial systems - Setup and maintenance of Audimemo Registrofon voice recording systems - Setup and maintenance of AnDialer call center systems - Downloading broadcast recordings, loading them into converter, uploading for further processing within Advertizing Monitor system - various other tasks including network maintenance, hardware assembly, creating PHP and JavaScript modules for web-b

Owner

Valjan PR Janko Valencik, Novi Sad
Oct 2010 - Jun 2011 (8 months, 1 day)
Contracted work with ControlEsc until April 2011, after that Freelance work at vWorker: - migration of Windows SBS 2003 to SBS 2011, - migration of AD, Exchange and BES from Windows server 2003 to 2008 - IIS and MySQL replication - cleaning malware from websites - PHP debugging - troubleshooting IIS and Plesk issues

Support technician

ControlEsc
Jun 2010 - Apr 2011 (10 months, 1 day)
- Technical support for the Windows 2003 and 2008 servers, Windows XP, Vista and Windows 7 workstations, and MacOS workstations; - Writing regular monthly reports on the hardware and software status for Windows 2003 and 2008 servers; - Controlling and amending backups by Symantec, Computer Associates, MozyPro, Backedup247, Windows NT Backup, Windows SBS Backup; - Setup and administration of Microsoft Forefront Security for Exchange; administration of Mimecast service, Microsoft Hosted Exchange and cloud

Education

BSc in Computer and Electrical Engineering

Serbia 2006 - 2012
(6 years)

Qualifications

Mikrotik Certified Network Associate (MTCNA)

Mikrotik
2015
By the end of this training session, the student will be familiar with RouterOS software and RouterBOARD products and be able to connect the client to the Internet. He will also be able to configure, manage, do basic troubleshooting of a MikroTik router and provide basic services to clients.

Digium Certified Asterisk Administrator (dCAA)

Digium
2013
The Digium Certified Asterisk Administrator (dCAA) program is intended to validate basic competency with Asterisk. It requires general telephony and VoIP knowledge as well as specific Asterisk knowledge related to installing, configuring, and administering an Asterisk system. Digium Certified Asterisk Administrator certification lasts 2 years and is awarded after earning a passing score on the dCAA examination.

MCSA on Windows Server 2003

Microsoft
2007

Publications

Bilten

Mensa Jugoslavije (Srbije i Crne Gore)
Written several reports from the gatherings, lectures, SIG activities, and several translations.

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Certifications

numeracy_1.png Basic Numeracy 1 96% freelancer_orientation.png Freelancer Orientation 1 90% us_eng_3.png US English 3 88% html_2.png HTML 2 80% uk_english2.png UK English 2 75%

Top Skills

PHP
58
MySQL
43
Microsoft Exchange
18
Computer Security
15
Web Security
14

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