IT & Networking Administrators

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  1. Ahmed Sayed

    Ahmed Sayed

    Senior Linux Administrator / Virtualization /Asterisk / VoIP / cPanel

    Egypt - Last active: 1 day ago - Tests: 7 - Portfolio: 1

    I am a senior technical engineer who has 15 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Proxmox Cluster Administration Asterisk/Trixbox/Elastix/VoIP architect Advanced Knowledge of shell scripting Advanced Knowledge of Perl programming Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ/ProxMox) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery

    $44.44 /hr
    6,803 hours
    5.00
  2. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 3 days ago - Tests: 7 - Portfolio: 3

    I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

    $33.33 /hr
    611 hours
    4.91
  3. Alper OKUTGAN

    Alper OKUTGAN

    Professional PHP Developer and Web Scraper

    Turkey - Last active: 16 days ago - Tests: 8 - Portfolio: 33

    Top-notch web scraping expert using PHP/cURL, having scraped hundreds of sites with millions records. Always deliver perfect quality with quick turnaround. Crunchbase, Twitter, oGame, Washington EDU, Craigslist and Yipit are just a few examples. My major expertise is Web crawling, data minning, Wordpress plugin and theme development with PHP/MySQL. I have a degree in Computer System & Engineering and have 14 years experience coding. I am interested in solving complex challenges, difficult problem solving, and learning to enhance my programming skills. I have been working in the hosting industry (Hostgator, GoDaddy, Bluehost) for more than 8 years and highly experienced using hosting software such as WHM/CPanel/Plesk/Virtuozzo/Webmin/Virtualmin. Technical background; I began programming on C64s with QBasic language in the 1990s. Following graduation, I developed various programs with Borland Delphi for computing hardware faculty from 2000s, and I am still programming for RS232 / OBDII. I professionally created various web development projects with PHP and Perl languages since 2002. I began working with Linux and FreeBSD in 2003 and I have been working as an admin for various servers like Debian and Ubuntu operating systems since 2005. I have founded to BACOMputer, which my first company on 2005, and I am still working as a software developer for my own company. I have created almost 250 web sites which are hosted in my re-seller account, and I can provide web hosting services also. You may easily reach some of website samples in my portfolio. I began working with clients through oDesk since 2009, and I have successfully completed many contracts between 2010 - 2014. The subjects of my recently works; ° Web scrapping / mail scrapping with PHP/cURL. My PHP codes also can be run as standalone programs on the linux shell and/or with crontab. ° OpenVPN authentication systems ° Creating Wordpress plugins and themes. HTML to Wordpress. ° PHP-MySQL works / Admin Panels. ° Delphi or PHP based text file conversion programs. * OPEN-WRT Linux distributions. ° Hosting services and transfers. ° Malware code cleaning on the sites and servers. (I have developed my own tools for finding malicious codes and infected files as quickly and efficiently) ° Decompiling/Tracing Flash applications/games. ° Radio, Audio stream program installations and configurations. Shoutcast, Icecast and Flashcast solutions. ° Software installation on Linux. Ftp servers, Apache, Nginx, PHP and MySQL installations/configurations. ° jQuery and resolving jQuery issues and conflicts. ° JWplayer, Flowplayer video player installations and delayed messages/auto redirecting projects ° Lightbox, Greybox, Laytbox and other jQuery (auto) popup solutions. ° .htaccess works (Mass redirections, SEO based links, permalinks)

    Groups: Bluehost Developers and Designers

    $45.00 /hr
    1,470 hours
    4.99
  4. Ciprian B.

    Ciprian B.

    Citrix and Microsot Senior Engineer

    Romania - Last active: 24 days ago - Tests: 2

    I've been administering Microsoft and Citrix server infrastructures for the last 8 years, and have in-depth experience with design, deployment, repair and support of all Citrix, VMWare and many Microsoft technologies. My experiences range from server administration roles, specialized application support, desktop support, administrator to advanced virtualization implementations jobs combined with programming skills . For the last four years I've also been working designing, building and support the following: Citrix VDI-in-a-BOX, XenApp, XenServer, XenDesktop, NetScaler products Microsoft RDS, Server 2003 - 2012 R2, Hyper-V VMWare ESXi 3 years Experience with desktop Virtualization on Citrix products. Citrix (CCA, CCAA, CCA-N, CCP-N, CCEE, CCIA, CCP-V, CCE-V) Microsoft (MCP, MCDST, MSCA, MCS, MCITP, MCSE) Excellent technical skills on Enterprise networks Expert-level hands-on operation of Citrix Products and associated third party management and support tools. Experience leading VDI (View and/or Xen) projects; Experience working as a consultant; Experience architecting and managing streaming applications over a VDI environment. I am confident I'll be a great asset to your project or organization, and look forward working with you! Certifications : Citrix : CCA Citrix Certified Administrator XenApp 6.5 CCAA Citrix Certified Advanced Administration XenApp 6.5 CCA Citrix Certified Administrator XenDesktop 5 CCA Citrix Certified Administrator XenServer 6.0 CCEE Citrix Certified Enterprise Engineer CCIA Citrix Certified Integration Architect CCP-V Citrix Certified Professional - Virtualization CCE-V Citrix Certified Expert - Virtualization CCA-N Citrix Certified Associate - Networking CCP-N Citrix Certified Professional - Networking Microsoft: MCITP Virtualization Administrator on Windows Server 2008 R2 MCSA 2012 / 2008 / 7 MCSE 2012 Server Infrastructure Solutions Expert MCSE 2012 Private Cloud MCSE 2012 Desktop Infrastructure MCP Microsoft Certified Professional MCDST Microsoft Certified Desktop Support Technician on Windows XP Microsoft Specialist 2012 Server Virtualization with Windows Server Hyper-V and System Center Specialist MCTS Windows 7, Configuration MCITP Enterprise Desktop Support Technician on Windows 7 MCSA Windows 7 (MCSA) MCTS Windows Server 2008 Active Directory, Configuration MCTS Windows Server 2008 Network Infrastructure, Configuration MCTS Windows Server 2008 Applications Infrastructure, Configuration MCITP Enterprise Administrator on Windows Server 2008 MCSA Windows Server 2008 (MCSA) MCTS Windows Server 2008 R2, Server Virtualization MCTS Windows Server 2008 R2, Desktop Virtualization Other : ITIL V3 Foundation Certified IT Service Management Apple Product Professional Strong VCP, Cisco CCNA , Hardware knowledge, software development Pascal,c++,visual c++, SQL, Java, Active Directory & Exchange,Lotus Notes Remedy, Tivoli, Assyst Ability : team spirit, optimist, sociable, high capacity of learning, dynamic, flexible, skilled team leader, organized, efficient.

    Groups: Microsoft Certified Professionals

    $50.00 /hr
    150 hours
    4.95
  5. Marcin M.

    Marcin M.

    Web Data Extraction and Regexp Expert

    Canada - Last active: 3 days ago - Tests: 2

    Software Developer specializing in Web Data Extraction and Manipulation. Expert in web data retrieval (web scraping), data manipulation (using regular expression parsing) and website change monitoring. • Fluent in English, French, Polish, and Spanish. • Government of Canada Secret Security Clearance (avail. on request). • Very organized, innovative, and dedicated to work. • Excellent communication skills (both written and spoken). • My TV interview: youtube.com/watch?v=MmRkoF3IaQ8 My objective is to deliver quality solutions and leave my clients satisfied.

    Groups: Crossrider

    $33.33 /hr
    2,422 hours
    5.00
  6. Lal Bahadur Saud

    Lal Bahadur Saud

    Ruby on Rails Developer

    Nepal - Last active: 1 day ago - Tests: 6 - Portfolio: 8

    Over 8 years professional experience. Full stack Ruby on Rails/PHP programmer. ROR: Expert in TDD based development with RSpec, Bootstrap CSS, SCSS, HAML, Heroku, Github, MySQL, PostgreSQL PHP: Expert in CodeIgniter, Joomla, Wordpress, Magento Frontend Design: PSD to HTML, Joomla/Wordpress/Magento Template development, Frontend developer Deployment: Heroku, Amazon EC2 and Ubuntu. Configuration of Apache, Nginx, Phusion Passenger with Apache/Nginx

    Groups: Bluehost Developers and Designers

    $38.89 /hr
    619 hours
    4.90
  7. Alexander Shelkovskiy

    Alexander Shelkovskiy

    Expert web developer / Project manager

    Russia - Last active: 1 day ago - Tests: 6

    Expert web developer, who works on the market more then six years. During this time I have worked with wide range of technologies: PHP, HTML5, CSS3, MySQL, JavaScript, Mongo DB and etc. I successfully work with individuals, startups companies, small businesses and always provide hight quality professional and communication skills.

    $50.00 /hr
    2,906 hours
    5.00
  8. Ryan Kolofer

    Ryan Kolofer

    Experienced Database Developer and DBA

    United States - Last active: 11 days ago - Tests: 3

    Four years of experience in SQL server 2005, 2008, and recently using SQL 2012. Certifications: • MCSE: Microsoft SQL Server 2012 Systems Expert Data Platform • MCSA: Microsoft SQL Server 2012 Certified Solutions Associate • MCITP: Microsoft SQL Server 2008 Database Administrator • MCITP: Microsoft SQL Server 2008 Business Intelligence Developer • MCSA: Microsoft SQL Server 2008 Certified Solutions Associate • CompTIA A+, Network+, Security+ Certified

    $65.00 /hr
    286 hours
    5.00
  9. Anton M.

    Anton M.

    Mobile app & game developer (iOS, Android, Windows)

    Belarus - Last active: 1 day ago - Tests: 2 - Portfolio: 19

    I develop cross-platform mobile apps including games for iOS, Android & Windows platforms. I know everything about mobile development including adnetworks integration, in-app purchases on every platform, social functionality (login/sharing etc), cross-platform back-end services like Parse. oDesk has recognized me as one of their top Mobile Developers. See the badge on the right of my profile for more information Programming was my hobby since early school years. Despite the fact that I have higher education (and PhD) in civil engineering, I'm still fond of programming and software design. Over the last 8 years I have participated in different software development projects. My main field is development using .NET technologies (Silverlight, WPF, WP7, Windows8 & Xamarin projects, but I aslo have good knowledge of Windows Forms, WCF, and also I have some experience with ASP.Net (including MVC4) website development and MSSQL Server).

    Groups: Upwork Verified Mobile Developers

    $33.33 /hr
    2,089 hours
    4.60
  10. Muhammad kashif A.

    Muhammad kashif A.

    Wordpress | Buddypress | S2member

    Pakistan - Last active: 1 day ago - Tests: 2 - Portfolio: 3

    Working with WordPress since last 4 years and a WordPress verified plugin developer. Able to write plugins, themes, implement any custom functionality. My objective is to deliver the best quality work at a fair price paired with a timely deliver. I try and work closely with you when you need me to, or closely with your designers, IT, consultants or whoever else might be involved in the project. It is my firm belief that good communication and team working is what creates really special results for your project.

    Groups: Bluehost Developers and Designers

    $38.89 /hr
    814 hours
    4.97