Network & System Administrators

Clear all filters
  1. Victor R.

    Victor R.

    Web-developer

    Russia - Tests: 14 - Portfolio: 19

    Advanced web-developer with 6 years in structuring, developing and implementing interactive websites. At my work for developing corporative websites I'm often using PHP5 + MySQL for Drupal or other CMS and frameworks. Also I have difficulty in HTML5, CSS3, Javascript, jQuery (+UI, +Mobile), Node.js. In the last time I am learning other languages for web-developing (Python, Ruby). Currently looking for interesting projects.

    $10.00 /hr
    0 hours
    0.00
  2. Jawad Rashid

    Jawad Rashid

    Linux system Administrator / Network Administrator

    United Kingdom - Tests: 2

    I have strong expertise in Linux OS. Have more then 10 years of experience in installation and management of DNS, email, Proxy, Database, DHCP, FTP, HTTP, VLAN, VPN and IP PBX servers. I have worked in ISPs and telecom environment . and have very good concept of IP telephony systems and SIP/IAX/H323 Protocols. IP and SS7 interconnects and technologies. Have completed many projects including College Network design and implementation, fixed line telecom project using ZTE soft-switch. have very good knowledge of securing the networks and servers/workstations and specially telecom systems.

    $22.22 /hr
    0 hours
    0.00
  3. Yogesh Sharma

    Yogesh Sharma

    Active Directory and Exchange consultant

    India - Tests: 3 - Portfolio: 1

    A Highly motivated and result-oriented individual with over 8 years of experience in a professional environment having a great work culture and meticulous attention to detail with emphasis to customer satisfaction. Ability to achieve set targets and goals in a timely manner. Microsoft Certified System Engineer in Windows Server 2003 with Exchange and Technology Specialist in Windows Server 2008. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Exchange Server suite (2003 to 2013). Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft Active Directory Services(2003, 2008). Extensive hands-on experience in configuring, monitoring, and maintaining systems running Microsoft Cluster Services. Extensive hands-on experience in configuring, monitoring, upgrading, migrating and maintaining systems running Microsoft SharePoint Services(MOSS 2007). Troubleshooting Windows Server related issues(AD, DFS, IIS, DHCP, DNS, and WSUS) Projects, Installations, Configurations and Migrations etc. Configuring and troubleshooting on Mailbox, CAS, and Hub and Edge server roles installations. Configuring High availability solutions like Local Continuous Replication/Cluster Continuous Replication/Standby Continuous Replication technologies. Troubleshooting on Mailbox Migration, Public Folder replication, Database Inconsistency, Exchange services, Offline Address Book, Recovery Storage Groups. Implementing Disaster Recovery in exchange servers for recovering exchange information. Configuration and Troubleshooting External Mail flow (Inbound/Outbound), Mail flow between servers, Spam issues, Edge Synchronization. Configuring Anti spam/Transport agents, Application Relay, SMTP/Transport service problems. Analyzing and evaluating issues using various tools and utilities like EXBPA, EXTRA, ExMon, PFDAVAdmin, Exmerge, DCDIAG, NetDiag, NLtest, telnet, Replmon, AD modify, ADMT, MFCMAPI, etc. Installation, Configuration & Monitoring of Trend Micro Internet Messaging Security Suits & Symantec Endpoint Security. Basic Hygiene & Server hardening of all Windows OS, Linux OS & Subsystems likes IIS, ADS, and SQL Server etc. Security Health Check of all Windows & Linux OS. Ensure documentation of all activities & procedures adhering to organization standards

    $12.00 /hr
    2 hours
    0.00
  4. Cristian Santiago

    Cristian Santiago

    Infrastructure Administrator(esp. Windows) and Expert Problem Solver

    United States - Tests: 3

    I have been working on IT for almost 15 years now. I am a generalist, a problem solver. I have more experience on Windows Infrastructure but I do also get along pretty well with Unix environments. I have worked for Microsoft Enterprise Support, then continued working as infrastructure administrator for other companies. I have experience in different kinds of Technology and even if I don't have, I can pick it up really quick, my mind seems to be wired up that way.

    $22.22 /hr
    0 hours
    0.00
  5. Federico de los Santos

    Federico de los Santos

    Microsoft System Center Consultant, MCSE Certified

    Uruguay - Tests: 3 - Portfolio: 3

    Experienced consultant in Microsoft technologies including System Center, SharePoint, Exchange, Lync, and Active Directory. Primary projects focused in banking, financial, insurance and health industries. Worked on-site and remote to companies located in Argentina, Chile, Uruguay, Colombia, Dominican Republic, Puerto Rico and USA. Also I am an experienced developer which helps me to create integration tools between different technologies, and scripting to automate tasks. I have worked on companies evaluated as CMMI and I hold ITIL Certification. I am certified as MCSE since 1999 and hold certificate for more that 20 MOC exams. Also I have training experience to technical and end-user staff.

    $33.33 /hr
    0 hours
    0.00
  6. Tiago Hillebrandt

    Tiago Hillebrandt

    Linux System Administrator

    Brazil - Tests: 2

    I have been working with Linux and other free software technologies for a long time, developing scripts and tools to automate tasks, and managing servers as well. * Linux Servers Maintenance * Scripting: Bash, Python, Perl, Ruby * Web Servers: NGINX, Apache HTTPD, Apache Tomcat, lighttp * Automation: Puppet * Server Monitoring: Nagios * Database Servers: MySQL, PostgreSQL * Proxy and Caching * Experience with APIs: Linode, Media Temple, Digital Ocean, Amazon Route 53, Zerigo DNS, QuickBase, Sucuri, Loggly, WordPress Plugins API * Mail Server: Postfix, Exim * Samba File Server * Networking: Bind, DHCP, iptables * WordPress: Core, Plugins, WP-CLI * Development: PHP, Python, Java, SQL, XML, JavaScript, HTML5/CSS, Shell

    $33.33 /hr
    0 hours
    0.00
  7. Yuriy Samorodov

    Yuriy Samorodov

    Microsoft Systems Administrator

    Russia - Tests: 2

    During the last 5 years I have been working on pop/imap to Exchange; Exchange to Office 365 ; Office 365 to Exchange 2010/2013 ; Exchange 2003/2007/2010 to Exchange 2010/2013 migrations. Very well experienced in PowerShell scripting Microsoft Server 2008, Active Directory, PowerShell, Basic Bash, SSH, Exchange Server, SharePoint, Blackberry, ActiveSync, Administration, Support, MCP Exchange Server, MCITP Messaging, MSCE Messaging MCP Transcript: 1021953/SamorodovYS

    $22.22 /hr
    0 hours
    0.00
  8. Vladimir E.

    Vladimir E.

    Lotus Notes/Domino Web developer

    Russia

    I have experience designing solutions based Lotus Notes/Domino platform, geographically distributed systems, RDBMS store data systems (DB2). My core competency lies in Web based development (XPages, DHTML), but I have a rich-client development experience also. Also I good in: Lotus Notes/Domino system administration, deployment, SQL-query optimization, project management. I use languages and technologies: Lotus Script, @formula, Java, Java Script, SQL, XPages, Ajax. I can work about 20 hours in a week.

    $17.00 /hr
    0 hours
    0.00
  9. Dan Galeev

    Dan Galeev

    Software Developer

    Germany - Tests: 3

    Programming languages: - Python (django, twisted, lxml, imaging, jinja2, matplotlib, wtforms, tornado, ...) - preferred - Objective C - Javascript (JQuery) - (X)HTML, CSS Unix-systems administration: - Debian - RedHat - FreeBSD - Ubuntu - ArchLinux - OpenSuse Databases - administration and developing: - MySQL - Postgres - Oracle - SQLite - MongoDB Version control systems: - Mercurial - Git

    $20.00 /hr
    204 hours
    0.00
  10. Xupeng Y.

    Xupeng Y.

    Linux system expert / Python developer|China

    China - Tests: 4

    I have 9 years Linux experience, and more than 4 years experience with professional Linux system administration, I am skilled in deploying and maintaining Linux-based services such as: virtualization(Xen, KVM, Vmware, Openvz), LAMP stack and Java stack deployment and management, DNS(djbDNS prefered), openvpn, web server administration(Apache, Nginx), mail server(postfix, popd, imapd). I have great debugging/problem resolving skills with Linux server/services, which can save you much time and money. I am also an experienced Python/Django developer, with more than 3 years commercial projects development experience, I have been working on more than 5 Django based web sites, such as http://www.whattheyplay.com.

    $27.78 /hr
    201 hours
    0.00