IT & Networking Administrators

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  1. Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Mykhaylo Dobrovolskyy

    Netherlands - Tests: 7

    10+ years of Linux/Network experience with different systems. Finished and delivered SMB solutions to big corporate companies lie BNP Paribas, ABN AMRO or RBS. My main areas of knowledge are: 1) Networking (Cisco/Juniper/F5/BlueCoat and Linux/FreeBSD based solutions like vyatta/pfsense etc) 2) Security - Cisco IPS/IDS, CheckPoint, Linux/FreeBSD based, Juniper etc 3) Linux administration - mail system, database (mysql/mysql cluster), server with high load average, load balancers for server farms (Cisco/F5 based and Linux based like keepalived or apache/nginx with reverse proxy) 4) VoIP - Cisco/OpenSource(Asterisk and different installations based on asterisks like freepbx/elastix etc) There is a very small piece of my knowledge, I'm always looking for opportunity to grow and I'm pretty sure that if you give me tasks - I'll find out best way howto get it done.

    $27.78 /hr
    4,776 hours
    5.00
  2. Thomas B.

    Thomas B.

    System Engineer (Linux, Mac OS X, Windows)

    Hungary - Tests: 3 - Portfolio: 1

    My name is Thomas Bereczky and I’m interested in being your System Engineer, I have over 7 years of experience in IT and systems implementation for small and medium- size organizations. I feel confident I would be a valuable contributor to your team and would be excited to show you what I can do. Over the past 7 years I have gained an extensive knowledge and experience in: • Operating Systems – Linux, Mac OSX, Microsoft Windows Servers. • Hosting Systems - Parallels Plesk, cPanel / WHM, Virtualmin / Webmin, Ajenti, zPanel, DirectAdmin • Webservers - Nginx with PHP-FPM, Apache HTTPD, Apache Tomcat, • Ruby, Node.JS, Django Applications • Server Side Caching - Memcached, Varnish, APC • Email Servers and Services – Postfix, Dovecot, Exim, Office 365, Google Apps, Mandrill, Rackspace Mailgun • Active Directory • Virtualization Platforms - VMWare ESXi, VMWare Workstation, SolusVM, Virtualbox, Parallels Virtuozzo, Proxmox VE • Amazon Web Services - EC2, RDS, ELB, S3, CloudFront, Route 53, Autoscaling, Workspaces, VPC • Monitoring Systems – New Relic, Nagios • Programming Languages and CMS Systems - Basic PHP Knowledge, HTML, CSS, Wordpress, Bash scripting, Currently I'm in the process of learning Ruby on Rails (2 Finished Project) • Project Management, Team Collaboration, Billing Tools - Atlassian Jira, Atlassian Confluence, OwnCloud, SugarCRM, WHMCS, Zurmo CRM • Version Control - GIT, SVN, Atlassian Stash (GIT), Atlassian Fisheye, Gitlab • Network Administration – Bind DNS Server, IPTables Firewall, CSF Firewall, UFW Firewall, Routers / Switches, iSCSI Storage Devices, NFS Storage Servers, VPN Servers, • VOIP PBX Servers such as 3CX Phone Systems • I'm very comfortable with working in command line. • I have experience in Project Management including supervising small / medium size development teams. • When I don’t know something, I can always look into it and learn it. Search engines are my best allies. If you need immediate assistance - don't hesitate to contact me. Talk soon! I look forward to hearing from you, Thomas Bereczky System Engineer

    Groups: Bluehost Developers and Designers

    $33.33 /hr
    580 hours
    4.97
  3. Maciej Dolinski

    Maciej Dolinski

    Excel power user

    Poland - Tests: 2 - Portfolio: 1

    A seasoned telecom and ICT engineer with over 25 years of experience in Microsoft Excel spreadsheets design and data manipulation. If you need a spreadsheet, a dashboard or to have your data analyzed, I am the right choice. Native Polish, speaks English fluently, can easily discuss in Czech and Slovak. Well experienced in English<->Polish technical texts translations and manuals creation. Located in Warsaw, Poland, but well accustomed to work remotely with contacts over Skype.

    $12.50 /hr
    156 hours
    4.93
  4. Jan Tarnovski

    Jan Tarnovski

    FileMaker programmer

    Croatia - Tests: 1

    FileMaker developer/programmer/administrator. Have been working on FM11, 12 and 13 for past 4 years. For past year on advance FM programming and administration, mainly on FMA12 an FMGo12 with sync tools 360Works MirrorSync and SeedCode GoZync, Administrating FileMaker Server 12. Right now I'm developing database for keeping stones inventory, printing invoices, updating exchange rate and stone prices from Internet, importing from XML and communicating with MySQL via ODBC I cannot say that my knowledge about FM is absolutely flawless but I'm aware of constant learning process and that makes me better every day.

    $21.00 /hr
    94 hours
    4.55
  5. Karthick GS

    Karthick GS

    Expert Web developer with PHP and WordPress knowledge

    India - Tests: 1 - Portfolio: 5

    I am well expert with below skills 1) PHP 2) WordPress 3) CodeIgniter 4) Ecommerce 5) Opencart 6) MLM 7) OSCommerce 8) MYSQL 9) Android app Now comes the description about my team, Experienced and creative developer where i have worked in all SDLC stages. Basically only some elancer will provide support to the finished project but i will provide support post deployment because relationship should not end here. I need long term relationships with my clients that benefits everybody. I will provide 24/7 support to the clients in order to coordinate with them. Good communication in both oral and written.

    $14.00 /hr
    115 hours
    4.96
  6. Julio Carvajal

    Julio Carvajal

    CCIE 42930,2xCCNP,Juniper Specialist

    Costa Rica - Tests: 2 - Portfolio: 4

    Senior Network and Security engineer with more than 10 certifications from different vendors including a CCIE. If you hire me you will be hiring an ex-former Cisco TAC Security Engineer that worked in more than 1000 different cases with different Cisco Equipment and Issues. I have experience leading big projects, creating documentation, designing , configuring and troubleshooting different networks. During my years of Freelancer I have taken tickets for multiple vendors (Juniper, Cisco, HP, CheckPoint, Fortigate, Palo-Alto, SonicWall) and I have even provided training worldwide for different companies. Here are the certifications I have: CompTIA Security+ Wireless OffSec Pentesting CCNA JNCIA CCNA Sec CCNP Security CCNP Routing&Switching JNCIS-SEC CCIE Routing&Switching 42930 Languages: Spanish, English Thanks for checking my profile and I hope you have a great day, Regards, Julio Carvajal

    $77.78 /hr
    162 hours
    4.91
  7. Musa Osmani

    Musa Osmani

    System and Network administrator

    Italy - Portfolio: 1

    I work as IT Consultant starting from year 2000. My experience is vast and covers these fields: OS (Windows,Linux) Installation troubleshooting maintenance. Networking: Cisco Programming: Assembly, C,Perl,shell (vbs,bash,Windosw batch files) Strong knowledge of operating systems Microsoft,Sun Solaris,HP UX,Linux. Strong knowledge in networking (Lan,WAN) mainly on Cisco platforms. Programming in : Assembly, C,Perl,shell (vbs,bash,Windows batch files) Excellent knowledge of load balancing mainly on F5 BigIP platforms and Apache.Writing of iRules for managing the website logic,URL rewrites proxypass proxy revers.Calculation and optimization of load balancing. Security research and vulnerability assessment. http://it.linkedin.com/pub/musa-osmani/14/374/4b

    $33.00 /hr
    8 hours
    5.00
  8. Arkadiusz S.

    Arkadiusz S.

    Front-end Developer

    Poland - Tests: 2 - Portfolio: 1

    Hi there, I’m Arek! I am an passionate Front-end Developer and Architect from Poland. I help companies from Europe and USA write good quality, scalable software. I can do my best at front end topics: - Python and Django (as backend) - Backbone.js / Marionette - Twitter Bootstrap - JavaScript (Phonegap, node.js, winJS and many smaller libs.) - SCSS, LESS and CSS3 (performance, resposive design, scale) - Jasmine - unit tests In my workflow I prefer to use GIT. Please feel free to ask me a question. I can send you some code from my previous work.

    $50.00 /hr
    8 hours
    4.68
  9. Dragos P.

    Dragos P.

    CSV, XML, PHP, CDR etc. not a problem

    Romania - Portfolio: 8

    Over the last ten years I managed mostly my own and my customers websites. My activity was to ensure a timely backup for the sites, both files and datatabase, fix any issue that might occur, create and send newsletters, clean and optimize databases, install and upgrade scripts and plugins, import large amounts of data from various datafeeds move websites from one host to another etc. I also designed and maintaned a few of my own affiliate based websites and wordpress blogs.

    $20.00 /hr
    5 hours
    5.00
  10. Alexander Gladysh

    Alexander Gladysh Agency Contractor

    Getting things done, smart!

    Russia

    Your project, large or small, in our caring experienced hands. We specialize in high-load web-services, big-data analytics and games — but we're experienced in solving many other IT problems as well. If it can be done, we can do it. For you. Each our engineer is a T-shaped person — with a deep expert understanding of his speciality topic and comprehensive outlook for wide range of related IT fields. Our management are veterans with decades of combined experience in IT and dozens of completed — and failed — projects. We know where the pitfalls are and how to avoid them.

    Associated with: LogicEditor

    $30.00 /hr
    19 hours
    4.89