George K.

George K.

Senior Systems & Network Engineer

Athens, Greece



What's the difference

I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux).

I specialize in complex ISP based UNIX installations, corporate Mail servers, Web servers, Database servers and large ZFS based storage solutions.

I have extensive knowledge in Virtualization technology. I have being involved with various type of Cloud solutions especially with OpenStack and CloudStack.

I als…


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Work History & Feedback

Help recover sunfire 4100

5 hrs @ $30.00/hr
Earned $145
“George is great.”


Coaching to Install and configure Netatalk on Open Indiana and Eon Storage (keywords: unix, solaris, illumos, open indiana, netatalk, afp)

85 hrs @ $25.00/hr
Earned $2,278
“It's been wonderful working with George. He is knowledgable, efficient, patient and has brought tremendous value to our projects. He has been a true accelerator and has delivered efficient architectures, technical solutions and related implementations to allow us to put in production many critical servers. His communication and collaboration abilities are also a great asset. He is truly a gem and we really advise anyone looking for a highly skilled professional that's efficient and pleasant to work with to hire him.”


Setup AWS production-ready LAMP server

3 hrs @ $25.00/hr
Earned $75
“George is a very knowledgeable, honest and fast contractor. His communications skills and follow-through are excellent. He is highly recommended.”


Linux Setup/Dansguardian+Squid

3 hrs @ $25.00/hr
Earned $71
“Very quick and easy to work with. Thanks greatly.”


Firewall & Security Professional

Fixed Price $139
“Hi,You've done a great job and I thank you for all your work.Went above and beyond expectations. I will work with again and highly recommend to others.Thanks again,Ron”


Fixing mail server

Fixed Price $45
“George was very knowledgeable and fixed an issue with our mail server that many other people could not. He did it very quickly. He is also very easy to talk with, and quickly understands what needs to be done and how to do it. I would gladly work with him again.”


Tests Taken
Name Percentile Score



Checkpoint Security Test


Firewall Concepts Test


Internet Security Test


Redhat Linux 9.0 Admin Test


Redhat Linux 9.0 General Test


U.S. English Basic Skills Test


Unix Test


Virtual Private Network Test


oDesk Readiness Test for Independent Contractors and Staffing Managers