IT & Networking Administrators

Clear all filters
  1. Bogdan daniel S.

    Bogdan daniel S.

    VCP, MCSA, Exchange, Vmware, HyperV, Servers Expert Admin

    Romania - Last active: 1 day ago - Tests: 8 - Portfolio: 1

    10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG * Clustering * MS Windows XP/Vista/7/8 desktop/workstation operating systems * Centralized anitivirus systems WSUS * TCP/IP, Switching and Routing * Firewalls IBM, HP, Dell Servers * DNS, DHCP, Wins * Print Server * File Server * Network and Servers documentation * LAN hardware/software administration, design, installation and configuration * Print Server * LAMP Administration * Linux services : squid, postfix, dovecot, firewall, ldap, mysql, nagios, dhcp, bind etc Certifications: MCP - Microsoft Certified Professional MCSA - Microsoft Certified Systems Administrator VCP - Vmware Certified Professional VCP-510 * VCA-DCV - Vmware Certified Associate Data Center Virtualization.

    Groups: Microsoft Certified Professionals

    $22.22 /hr
    2,643 hours
    4.68
  2. Vladimir Pavlov

    Vladimir Pavlov

    Expert Web Developer - PHP/MySQL/AJAX/CodeIgniter/Jquery

    Ukraine - Last active: 1 day ago - Tests: 1 - Portfolio: 2

    I'm experienced PHP Developer (8+ years) in IT industry. I'm looking for opportunities to work with possible clients for challenging projects using PHP/Mysql, PHP OOP programming, AngularJS, Ajax, RESTful API Implementation, Data Visualization, jQuery etc. I know it's frustrating to work with flakes, frauds and poor communicators; that's why I'm dedicated to reliability, clear communication and professionalism. I hope you to understand that your project is important to me and deserves my attention and dedication. I have powerful skills in PHP, MySQL, AJAX, javascript. Known frameworks php: Codeigniter, Kohana, Symfony2 Known frameworks js: Angular.js I create and upgrade corporate billing system. Development softwares for SetTopBoxes. Creating Samsung SmartTV apps. I have beginner knowledge on android sdk. Knowledges on creating multithreading php scripts knowledges on node.js. Development standalone service on node.js for contol multicast channels. Mysql database administration and etc. Thanks, for your attention!

    $11.11 /hr
    14 hours
    5.00
  3. Amir M.

    Amir M.

    Senior Consultant, Developer & Architect.

    Egypt - Last active: 1 day ago - Tests: 6 - Portfolio: 6

    Over 10 Years of experience development of which over 5 years of experience in Team management and consultancy. I have proven experience in building Web portals and applications in different business domains including Health, Banking, Shipping, Tourism, Education, Sales and others. I have two College degrees in Computer Science and Business; My working knowledge includes but not limited to Software Design, Software Architecture, System integration, Requirements Analysis, Requirements Writing, Android Development, IPhone Development, mobile Development (PhoneGap), Asp.net, MVC, .net,C#, VB.net, VB6, ASP Classic 3.0, .net 4.0, WCF, MSMQ, SQL Server, JQuery, JavaScript, BootStrap, SQL Server, SSIS, SSRS, MS Dynamics CRM 4, MS Dynamics CRM 2011

    Groups: Microsoft Certified Professionals

    $27.00 /hr
    3,204 hours
    5.00
  4. Andriy M.

    Andriy M.

    Web Developer / Programmer / Wikipedia expert

    Ukraine - Last active: 1 day ago - Portfolio: 8

    I'm a programmer and Wikipedia expert. I create websites and develop software with Python/PHP/C. In love with sophisticated algorithms and problem solving. I have a degree in computer science (with emphasis on applied math), and I successfully completed one year of masters program in economics. I edit Wikipedia in my spare time as a long-standing hobby (10+ years), but I do paid consulting and article writing as well. Will be glad to help with your issues on this! Graphic design tasks can be done by my good friend. And he is great!

    $15.00 /hr
    1,029 hours
    4.94
  5. Sergey Golovchenko

    Sergey Golovchenko

    DevOps/System/network administrator

    Ukraine - Last active: 2 days ago - Tests: 4

    My goal is providing only hight quality service. If you have any IT task - ask me, and I'll provide complex solution. Filed of my expierence covers, but not limited to: OS: varios Linux (Ubuntu/Debian/CentOS and other), FreeBSD SCM: Puppet Web servers: Apache, Nginx Database servers: Mysql and clones, Postgresql Monitoring: Nagios, Zabbix (preffered),Cacti Virtualization: Openvz, XEN and XenServer, KVM Cloud services: AWS, Rackspace Scripting: bash, python. Mail servers: postfix, dovecot, exim, sendmail and many others Networking: standard network services (DNS, DHCP, Samba, SVN/Git, http proxy, jabber, VPN, backups, monitoring etc), firewalls and routers (iptables, iproute, VLAN, bridging, bonding, BGP, OSPF), different hardware (Cisco, Extreme networks, mikrotik and many other) PS: This list isn't full, as long lists looks ugly :) Also I'm very interesting in development/DevOps task's, especially python development.

    $35.00 /hr
    227 hours
    5.00
  6. Shady K.

    Shady K.

    Expert php,laravel,elasticsearch,backbone

    Egypt - Last active: 1 day ago

    Software engineer, love solving problems , learning new technologies especially in web and Data mining , support kiss principle. Most of my experience based on back-end web development. ##Specialties : - #Web Development (PHP Experience) : (MVC frameworks), PSR(0-4) code standard. frameworks Laravel(3+ Y) - Yii(1- Y) - smarty(1- Y) , CMS wordpress(2+ Y) - opencart(2+ Y ) Database Mysql(4+ Y) -Sql server(1+ Y) -mongodb(6+M) - postgresql(3 M) UI Frameworks (underscore, backbone (2+ Y )),Bootstrap, foundation ( not professional but i get what i need ) . #Data Search ,Mining and analytics :- a good production experience getting a real time reports and useful information out of data . Elasticsearch (1+ Y) including a solr to elasticsearch migration , custom complex sorting,recommendation and graphical reports (using kbana) and facets api. Web Crawling custom made PHP crawlers (2+ Y), Pjscrape ##Personal Skills :- #Excellent learning curve #Faster #Decision ma

    $25.00 /hr
    17 hours
    4.94
  7. Grigory Kuznetsov

    Grigory Kuznetsov

    System Engineer

    Russia - Last active: 16 days ago - Tests: 4

    Qualified Cisco Academy Instructor (CCNA). 14+ years of work in field of IT. My main skills are: LAN & WAN design and deployment. Network equipment management - CISCO, HP, D-Link; network design, load balancing, backup strategy, monitoring. Data Center equipment management – computing systems, power distribution, cabling, air preparing. Administration of Microsoft Windows NT/2000/2003/2008/2008R2/2012 server OS (AD, DNS, DFS, DHCP, WDS, RDP, TS, clustering and load balancing). Administration of all Microsoft Windows client OS. Administration of Linux Red Hat/Cent OS (iptables, samba, squid, nginx, apache+mysql(optimization, DDoS mitigation)). Administration of VMware vSphere (ESXi + vCenter). Comprehensive monitoring using Zabbix.

    $15.00 /hr
    9 hours
    5.00
  8. Alexander S.

    Alexander S.

    Windows, Linux, virtualization engineer

    Russia - Last active: 2 days ago - Tests: 4 - Portfolio: 10

    I specialize in servers administration (Microsoft, Linux) and virtualization technologies (Hyper-V, VMWare,Parallels), with clouds (Office 365, AWS, Azure) I can offer you not only the technical skills (in-depth knowledge of Windows and Linux architectures, local area networks), but also ideas that will contribute to raising the quality of your internal IT-structure. I believe that I can be helpful for your project. • Overall 12 years of work experience in IT. • Experience in building, upgrading and supporting virtual infrastructure based on VMware vSphere (ESXi, vCenter, VCOPS, etc.), Microsoft Hyper-V, VMware View. • Strong knowledge of the principles and technologies of providing High Availability and Disaster Recovery virtual infrastructure such as VMware HA, Fault Tolerance, (S)vMotion, Site Recovery Manager. • Rich experience in P2V (Physical to Virtual) and V2V (Virtual to Virtual) migrations of production customer’s services based on Linux and Windows using VMware vCenter Converter. • Experience in building physical server infrastructure based on HP and IBM server equipment (blade, rack-mount, storage). • Knowledge of the principles SAN and Ethernet networks. • Experience in auditing, troubleshooting and upgrading customer’s server infrastructure. • Working experience with technical documentation (writing and using). Last 8 years I worked in Oil company and Cloud provider company as one of the key specialists on the Teamlead and Senior System Engineer position. My skills can be divided to three main specializations: First of all, my strongest point is enterprise-level virtualization technologies VMware/Microsoft/Parallels: - VMware vSphere 4.0-5.5 - VMware (Horizon) View 4.6/5.0/5.2/6.0 - VMware vCloud Suite - MS Hyper-V 2008/2012 - Parallels Virtuozzo Second area it's Windows/Linux-based services administration: - Microsoft OS and Services: Windows 2003-2012(R2), Active Directory, DNS, DHCP, MS SQL, MS Exchange, Office 365, MS System Center series, Sharepoint - Enterprise infrastructure systems - Symnatec Netbackup, HP Insight Control, Parallels Automation - Service Desk systems OTRS, Kayako, MS Service manager, HP Service Desk - Unix-like OS and Services: CentOS, RHEL, Zabbix, DHCP, DNS, iptables, Apache, Nginx, PHP, MySQL, FTP, Samba The third area is enterprise-level server equipment HP/IBM: - HP Proliant, Blade system, SAN P-series - IBM System X - APC equipment

    $25.00 /hr
    2 hours
    5.00
  9. Luba Tinaeva

    Luba Tinaeva Agency Contractor

    Business Analyst, Bitrix Developer and Consultant

    Russia - Last active: 10 days ago - Tests: 1

    If you want your organization to work more effective, that's where I can help you out. I work with 1C-Bitrix products family - Bitrix CMS and Bitrix24 Extranet. The first one allows me to create eCommerce solutions, internal social network, content portals. Bitrix24 Extranet is a corporate in-cloud portal for your team that takes team work to the higher level. In includes CRM for your leads and business processes that are configured to suit needs of any small- and medium-sized organization. I do jobs: - Bitrix24 administration and customization. - Bitrix24 creating of business processes. - Lead generation to Bitrix24 from website. - Bitrix CMS installation and customization. - Business analysis. Looking forward to work with you.

    Associated with: Aspirity

    $15.00 /hr
    63 hours
    5.00
  10. Orchille G.

    Orchille G. Agency Contractor

    IT Support

    New Zealand - Last active: 1 day ago - Tests: 2

    I am a IT support specialist with 3 years experience, including 5 years as a Technical/Customer service Phone Support and 2 years of Customer Service Supervisor, a role into which I was promoted. I have experienced on deployment support and maintenance desktop, laptop and phone units which includes and operating system, installed software (includes internal applications, software packages and client applications), hardware/Network and related peripherals. I am seeking opportunity to provide IT Realtime Support..

    Associated with: AGENCY

    $22.22 /hr
    4,950 hours
    5.00