Network administrator Freelancers

Showing 506 freelancers

Network administrator Freelancers

Showing 506 freelancers

  • Mr

    *** More info at LinkedIn: *** pl.linkedin.com/in/marcinkot/ Systems' Administration - Advanced skills in Microsoft Windows 2003 Server systems' administration (including planning, implementing and maintaining Active Directory services, software deployment and packaging, network administration) - Experience in Linux-based systems' administration (Slackware … more

    *** More info at LinkedIn: *** pl.linkedin.com/in/marcinkot/ Systems' Administration - Advanced skills in Microsoft Windows 2003 Server systems' administration (including planning, implementing and maintaining Active Directory services, software deployment and packaging, network administration) - Experience in Linux-based systems' administration (Slackware and Ubuntu distributions), particularly in networking services (Apache, PHP, qMail, PostgreSQL, MySQL) as well as preparing and maintain web-application’s environment. Programming - C/C++, PHP, HTML, SQL, shell scripting (batch programming, bash) and Perl programming skills making the administrative tasks easier and more efficient. Familiarity with object oriented programming (C++ and PowerShell), java basics. Databases - Maintenance of database servers (MySQL, PostgreSQL, MS SQL) including security, availability and performance aspects. - Planning and implementation of backup and restore strategies. Networking - LAN administration in medium-sized organization, including WAN-LAN interconnection. - Very good knowledge of Ethernet technology (including cooper, fiber-based and wireless medium), very good knowledge of TCP/IP protocol (IPv4 and IPv6), CCNA certificate. - Familiarity of configuration and securing networking devices (Cisco, 3Com). Security and fault-tolerance - Experience in IP traffic filtering and firewall administration – both software-based (iptables, Microsoft ISA 2006) and hardware-based (3Com SuperStack 3 Firewall, Fortigate) implementations. - Skills in implementation of fault-tolerance technologies (OSI Layer 2 – STP/RSTP, Layer 3 dynamic routing protocols – RIP, OSPF, EIGRP).  less

    network-administration 00 more less
    • $30.00 HOURLY RATE
    • 4.4
    • 4 HOURS
    • POLAND
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • SERVER, NETWORK AND INFRASTRUCTURE SPECIALIST

    Over the last 15 years I have had progressive experience in operations, management and delivery of complex IT network and infrastructure of enterprise scale and globally spread organisations. Experience includes LAN, WAN, MEN, ELL, VPNs, International leased circuits, Switching (Cisco … more

    Over the last 15 years I have had progressive experience in operations, management and delivery of complex IT network and infrastructure of enterprise scale and globally spread organisations. Experience includes LAN, WAN, MEN, ELL, VPNs, International leased circuits, Switching (Cisco & HP), Routing, Firewalls, CUCM, SAN (Netapp), Microsoft Windows 2003, 2008, Active Directory, Group Policy, DHCP, DNS, SQL Server, Web Servers, NLBs, ISA/TMG configured as proxy and reverse proxy, Exchange 2003, 2007 and 2010, WAN Acceleration, Data Centres, Branch Connectivity, Clusters/High Availability, VMWare etc. I have had the opportunity to be involved in various projects in several countries in the Middle East, India and UK.  less

    microsoft-visual-basic network-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 38 HOURS
    • BAHRAIN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Very experienced Systems Architect / Network Architect / Sys+Net Admin

    Thanks for taking a look at my profile! My goal is to help you solve your systems and network issues in the best way possible. I have a wide range of experience and expertise, and if I'm not the … more

    Thanks for taking a look at my profile! My goal is to help you solve your systems and network issues in the best way possible. I have a wide range of experience and expertise, and if I'm not the best person to help you, I will be able to help find the person who is. I'm not going to be the least expensive provider, but I will provide you with the best service!  less

    network-administration 00 more less
    • $166.67 HOURLY RATE
    • 4.6
    • 335 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 16 TESTS
  • Network and Systems Engineer

    Qualification VC- DCV ( Data Centre VIrtualization ) Vmware ACSS - SMB ( AVAYA ) MCSE - 2008 CCNA Network Experience - 5 Years MPLS, BGP,OSP Service Level Provider. System and Virtualization - 5years Vsphere 5.1, Vderecotr Vmware Horizon View. WIntel - Exchange, Forefront, Active Directory DNS … more

    Qualification VC- DCV ( Data Centre VIrtualization ) Vmware ACSS - SMB ( AVAYA ) MCSE - 2008 CCNA Network Experience - 5 Years MPLS, BGP,OSP Service Level Provider. System and Virtualization - 5years Vsphere 5.1, Vderecotr Vmware Horizon View. WIntel - Exchange, Forefront, Active Directory DNS. ( Service Level provider ) Storage - 3 Years EMC and NAS. VoIP AVAYA IP Office IP500v2, IP Office Server edition R9 .OVF virtualize. Application SIP server, One-X Portal/Mobile. Polycom Certified Voice and Network Engineer. Realpresence  less

    network-administration microsoft-small-business-server-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 2 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Windows and Unix Technical Support

    To exceed the expectations of clients by providing top notch technical support to their employees or clients. Proficient in Windows, and Unix/Linux operating systems. Capable of remote troubleshooting via VNC, RDP, GoToMyPC.com, LogMeIn.com, and Secure Shell. Professional … more

    To exceed the expectations of clients by providing top notch technical support to their employees or clients. Proficient in Windows, and Unix/Linux operating systems. Capable of remote troubleshooting via VNC, RDP, GoToMyPC.com, LogMeIn.com, and Secure Shell. Professional demeanor even when working with frustrated individuals, Possessing superior customer service skills. Proficient in U.S. English speaking a mid-western "network news" accent. Capable of supporting anyone from the basic end user to the I.T. pro. CompTIA Network + Certified Professional, and Help Desk Institute H.D.A. certified. Located in the United States. Available for travel in the U.S. and Canada (possessing a NEXUS card).  less

    network-administration 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 3 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 9 TESTS
  • Technical Support / Customer Service / Researcher / VA

    Ever since I was in High school. I always play around with Adobe Photoshop. From editing pictures to making funny spoof of people around me. I got hooked that I also learned creating and designing a website. My past job … more

    Ever since I was in High school. I always play around with Adobe Photoshop. From editing pictures to making funny spoof of people around me. I got hooked that I also learned creating and designing a website. My past job was a Graphic Artist in a Web developing business. I had to go to the office for work. Thanks to oDesk. I can now do my passion at home, and earn at the same time.  less

    network-administration 00 more less
    • $3.00 HOURLY RATE
    • 3.9
    • 33 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • IT Networking/System Admin Professional

    To obtain projects that would allow me to utilize my extensive networking skills and be a very vital asset to a Buyer. Also to develop an ongoing professional relationship to provide the best support needed by the buyer.

    network-administration linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1162 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • VMware, Networks and System Engineer

    A highly efficient, methodical and talented IT professional having considerable experience of developing, implementing and managing networks, data centres, servers and virtual servers. Possessing a broad range of developed skills gained through establishing full IT projects, networks and infrastructures, website … more

    A highly efficient, methodical and talented IT professional having considerable experience of developing, implementing and managing networks, data centres, servers and virtual servers. Possessing a broad range of developed skills gained through establishing full IT projects, networks and infrastructures, website design and development from initial conception to completion, including customer liaison, design, testing and successful implementation within budget, scope, timescales and process limitations in a customer focused, multi-site business environment. Extensive LAN/ WAN/ Hardware/ Software experience. Pro-active approach to working cross-functionally, maintaining the delivery of I.T. services and technology projects.  less

    openx vmware-esx network-administration scrum atlassian-jira 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 722 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 3 TESTS
  • IT Professional/Technology Specialist(microsoft & Vmware certified)

    Manages and participates in implementing and maintaining workforce information systems functions, including its computer hardware, software and network infrastructure, telephone system and voice mail system. Oversees development and care of the office's systems. Anticipates and plans towards technology transformation … more

    Manages and participates in implementing and maintaining workforce information systems functions, including its computer hardware, software and network infrastructure, telephone system and voice mail system. Oversees development and care of the office's systems. Anticipates and plans towards technology transformation and recommends the adjustment and upgrade of company hardware and software. Plans and directs new Information Technology projects and upgrades and coordinates Information Technology projects with other departments. Gathers information of other companies concerning trends and latest technologies.  less

    vmware-administration network-administration windows-administration microsoft-exchange-server microsoft-hyper-v-server 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 333 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • System administrator [MCTS, CCNA] , Google Apps Certified Specialist

    == Update == Due to a non-compete agreement with my current employer I am unable to take any new work on oDesk. Thank you ---- During the past 4 years I have specialized in managing Windows, Active Directory based networks. I am skilled … more

    == Update == Due to a non-compete agreement with my current employer I am unable to take any new work on oDesk. Thank you ---- During the past 4 years I have specialized in managing Windows, Active Directory based networks. I am skilled in System Center Configuration Manager 2007 and System Center Data Protection Manager (2007/2010). I also posses networking skills (TCP/IP, DNS, DHCP, VPN, Wi-Fi) and am comfortable with Cisco switches and routers. Lately I am very interested in cloud based applications and Google Apps in particular. I am a certified Google Apps Deployment Specialist  less

    network-administration iis dns dhcp vpn 00 more less
    • $25.00 HOURLY RATE
    • 4.8
    • 118 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
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