Profile cover photo
You're now following
Error following user.
This user does not allow users to follow them.
You are already following this user.
Your membership plan only allows 0 follows. Upgrade here.
Successfully unfollowed
Error unfollowing user.
You have successfully recommended
Error recommending user.
Something went wrong. Please refresh the page and try again.
Email successfully verified.
User Avatar
$55 USD / hour
Flag of UKRAINE
pervomaisk, ukraine
$55 USD / hour
It's currently 2:32 PM here
Joined January 21, 2015
1 Recommendation

Volodymyr O.

@osypets

4.9 (28 reviews)
5.6
5.6
100%
100%
$55 USD / hour
Flag of UKRAINE
pervomaisk, ukraine
$55 USD / hour
97%
Jobs Completed
100%
On Budget
100%
On Time
11%
Repeat Hire Rate

System administration, project management

About me About 7 years I worked as system administrator at a company that provides SaaS-service from Microsoft and Linux/Windows VPS-service. Part of my job is related to the migration of customer services "in the cloud". I also have extensive experience in the installation and support VOIP-based systems (Cisco, Avaya, Asterisk, Freeswitch, etc). My knowledge and services Clouds - Amazon; - Microsoft Azure; - MediaTemple; - DNS-services; Security - VPN - LT2P, PPTP, Site-to-Site, SSL ; - Firewall - IPS/IDS; - User-based policies - AD/LDAP/RADIUS integration; - DoS/DDoS; - Application and access control; - Antivirus solutions; Networking - L2/L3 switching, VLANs, Access control, Link aggregation, high availability; - Routing - Load balancing; - Traffic shaping / QoS; VOIP - SIP/H323; - Truks - Routing; - Device provisioning; - IVRs - Call Center; Storage - SAN; - Backup solutions; - Data Recovery; Technologies - Virtualization; - High availability; - Cloud computing; - SaaS, IaaS, DaaS; - Remote apps; OS - Windows Sever (2003, 2008R2, 2012R2); - Windows (XP, Vista, 7, 8); - Mac OS X; - Linux (Debian, Ubuntu, CentOS); Vendors - Microsoft, Cisco, HP, Lenovo, Fortinet, Alcatel, Avaya, Symantec, SonicWall, TrendMicro;

Contact Volodymyr O. about your job

Log in to discuss any details over chat.

Reviews

Changes saved
Showing 1 - 5 out of 27 reviews
Filter reviews by:
5.0
$185.00 USD
I would like to work more with Volodymyr .. he is perfect, Patient & had good Behavior of dealing with me
Linux
Asterisk PBX
Cisco
VoIP
Debian
M
Closed User
@mkmerie
6 years ago
5.0
$200.00 USD
All is well.
Asterisk PBX
Cisco
VMware
FreeSwitch
G
Flag of Gregory M.
@gregory47
7 years ago
4.2
$442.00 CAD
good job and on time. customer is happy with the service.
Network Administration
M
Flag of James L.
@mattemontreal
7 years ago
5.0
$350.00 USD
Excellent work, very knowledgeable about Windows servers , able to understand the entire scope of the project and suggest improvements and genuinely takes interest in projects.
Active Directory
Windows Server
Database Administration
Database Development
T
Flag of Rafael O.
@thearcitechet
7 years ago
5.0
$150.00 USD
Great guy to work with. Too bad Freelancer.com billed my credit card twice for the project milestone. I have disputed the payments with my credit card.
System Admin
Linux
Amazon Web Services
Windows Server
+1 more
L
Closed User
@Lrennells1
7 years ago

Qualifications

Microsoft Certified Professional

Microsoft
2012

Contact Volodymyr O. about your job

Log in to discuss any details over chat.

Verifications

Preferred Freelancer
Identity Verified
Payment Verified
Phone Verified
Email Verified
Facebook Connected

Certifications

freelancer_orientation.png Freelancer Orientation 1 85%
cloud-comp-1.png Cloud Computing 1 80%
us_eng_1.png US English 1 80%
vpn-1.png VPN 1 78%
Previous User Next User
Invite sent successfully!
Thanks! We’ve emailed you a link to claim your free credit.
Something went wrong while sending your email. Please try again.
Registered Users Total Jobs Posted
Freelancer ® is a registered Trademark of Freelancer Technology Pty Limited (ACN 142 189 759)
Copyright © 2024 Freelancer Technology Pty Limited (ACN 142 189 759)
Loading preview
Permission granted for Geolocation.
Your login session has expired and you have been logged out. Please log in again.