Käyttäjän jksnetwork profiilikuva
Maan United States lippu Pittsburgh, United States
Jäsen alkaen 29. tammikuuta 2013
3 Suositukset


Online-tilassa Offline-tilassa
I have over 15 years of experience administering Linux and Windows servers. In my current day-job I am responsible for administering a network of 90+ servers (Windows and Linux) and 25 Cisco routers, switches and firewalls across various locations. I have over 10 years of experience with designing and maintaining fault-tolerant apache/nginx web clusters for highly available web applications. In my current job I designed a web cluster of 13 load balanced apache servers for a very stable environment with little to no down time (even during maintenance periods). I have the following certifications: MCP, MCSA, MCSE, MCSE: Security, CCNA, CCDA I have experience in: * PHP * Wordpress * API Integration * Linux clustering and HA * Amazon EC2 / AWS / MWS * MySQL/MS SQL administration and optimization * Linux Firewall, networking and Security Concepts * Design, deployment and administration of multi node web farms * Service level load balancing and clustering * Linux services (WEB,MAIL,PROXY,DNS,LDAP,SAMBA,ZIMBRA, etc) * OS security concepts * Monitoring tools and solutions (Nagios, Munin, SNMP, OpManager, Kaseya) * Bash scripting * Virtualization solutions (VMWare, XEN, CITRIX, OpenVZ, etc) * Advanced Windows Cluster Administration * Document Management System (Alfresco) * Active Directory deployment and administration * Network administration and design * Network Security (Penetration Testing) * Server Auditing * Technical Support * Web hosting Control panels such as cPanel,Plesk,DirectAdmin and Webmin * Data recovery
$75 USD/hr
28 arvostelua
  • 84%Suoritetut työtehtävät
  • 100%Budjetin mukaisesti
  • 100%Ajallaan
  • 27%Uudelleenpalkkaamisaste


Viimeaikaiset arvostelut

  • käyttäjän Spestka kuva Project for Justin S. -- 3 $330.00 USD

    “Second time I have worked with Justin given his professionalism and expeditious work. Another job well done, with a highly professional and comprehensive report delivered at the end of his work. Will be working with him again in the near future.”

  • käyttäjän jackshapiro kuva Project for jksnetwork $325.00 USD

    “Excellent work by an excellent developer!”

  • käyttäjän Spestka kuva Project for Justin S. -- 2 $151.25 USD

    “Great communication, kept me up-to-date on progress, completed work quickly and capably. Will be using again. Thanks!”

  • käyttäjän jackshapiro kuva Install Open Source Applications on AWS Linux $304.70 USD

    “Justin is the best developer I have had the pleasure of working with. He developed this complicated project with quality, and finesse. He is truly one of the best! I highly recommend him for your project. Don't steal all him time though. I need him for other work :-)”

  • käyttäjän steve508 kuva Project for jksnetwork -- 3 $80.00 USD

    “Above and beyond as usual! Works very hard to find the best solution. Thanks again!”

  • käyttäjän steve508 kuva Project for jksnetwork -- 2 $125.00 USD

    “Third time hired and will hire again!! Please do not hire him as I want him all to myself!! :) Seriously, this guy continues to think beyond my project saving me time and money in the long run as well as future-proofing! Clear and concise documentation after the project is complete. If you want quality work, definitely go with jksnetwork.”


Systems Administrator

Dec 2008

I manage a network of 90+ Windows and Linux servers, 25 Cisco router, switces and firewalls and 270+ Windows workstations.

Network Engineer

Mar 2004 - Dec 2008 (4 years)

I worked as a consultant designing and engineering over 270 projects during the 4 years I was there. The projects ranged from simple network upgrades to full fledged network design.

IT Manager

Jan 2001 - Mar 2004 (3 years)

I was responsible for the day to day management of all IT aspects for this company.


Information Technology

1998 - 2002 (4 years)


CCNA (2011)

CCDA (2012)

MCSE (2008)

AWS Certified Solutions Architect -Associate (2017)

AWS Certified Developer - Associate (2017)

AWS Certified Solutions Architect - Professional (2017)

AWS Certified Advanced Networking - Specialty (2017)

AWS Certified DevOps Engineer - Professional (2016)

AWS Certified SysOps Administrator - Associate (2016)


  • US English Level 1
  • AWS
  • Network Programming 1
  • PHP Level 1
  • WordPress
  • Ethernet Admin 1
  • MySQL Level 1


  • Facebook yhdistetty
  • Suositeltu freelancer
  • Maksutapa varmennettu
  • Puhelin varmennettu
  • Henkilöllisyys varmennettu
  • Sähköposti varmennettu

Omat vahvimmat taitoni

Selaa samanlaisia freelancereita