Network administrator Freelancers

Showing 495 freelancers

Network administrator Freelancers

Showing 495 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
  • 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
  • OpenERP Expert Company

    ZestyBeanz Technologies is an India based OpenERP expert company operating from Technopark Thiruvananthapuram , Ravipuram – Cochin, National Institute of Technology – Kozhikode , Sharjah-UAE and Nürnberg-Germany having customer base through out the globe. With its well experienced team in … more

    ZestyBeanz Technologies is an India based OpenERP expert company operating from Technopark Thiruvananthapuram , Ravipuram – Cochin, National Institute of Technology – Kozhikode , Sharjah-UAE and Nürnberg-Germany having customer base through out the globe. With its well experienced team in OpenERP, provides consultancy, development, customization, training, support and maintenance to partners and customers in 40+ countries so far. It has live experiences in delivering customized ERP solutions based on this fastest developing Open Source ERP application including in the non traditional, non English European and Latin American markets. Apart from OpenERP solutions company also provides web content management and Infrastructure Services. Zesty Beanz is a NASSCOM member company - a premier organization that represents and sets the tone for public policy for the Indian software industry. ZestyBeanz is also a proud winner of the prestigious ISBA-2011 award governed by the Dept of Science & Technology (Govt. Of India) for outstanding company in the Information and Communication Technology(ICT) category.  less

    openerp-development network-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 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
  • Call centre solutions, dialer, network, system admin

    Over the last 7 years, I am working with an International call center as a Tech Head, Provide all type of call center solution and working as a free lancer in chandigarh. Predictive dialers, vicidial & Touchstar. & all networking solutions. … more

    Over the last 7 years, I am working with an International call center as a Tech Head, Provide all type of call center solution and working as a free lancer in chandigarh. Predictive dialers, vicidial & Touchstar. & all networking solutions.  less

    network-administration 00 more less
    • $16.67 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 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
    • 708 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 3 TESTS
  • State engineer in telecommunications and information systems

    A highly motivated telecommunication engineer with comprehensive knowledge, and good experience on this domain . I am seeking to work with a reputed company to achieve new levels of competence.

    network-administration 00 more less
    • $3.33 HOURLY RATE
    • 5.0
    • 0 HOURS
    • ALGERIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 2 TESTS
  • Network Administration

    Providing network support: LAN/WAN monitoring, installation, troubleshooting, traffic traces. Build, deploy network trending tool, latency monitoring, automated alerting and desktop support. I can configure routers switches, firewalls for large and small corporations. Through the course of 15 years in … more

    Providing network support: LAN/WAN monitoring, installation, troubleshooting, traffic traces. Build, deploy network trending tool, latency monitoring, automated alerting and desktop support. I can configure routers switches, firewalls for large and small corporations. Through the course of 15 years in this field and with building network tools I've gained hands on experience building and administrating Sparc, DEC, AIX, SCO and Linux (Redhat, SuSE ) machines. I've had experience building and maintaining DHCP and DNS servers in both Windows and Unix environments, Building, Windows and Novell networks from single server to large corporate trees. I look forward to working with you soon. -Tom O'Neil  less

    network-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 8 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • VoIP and Linux Engineer

    Hi. I'm a VoIP engineer, mostly using Asterisk and FreeSwitch. Also have a huge expirience in traditional telephony, also Video-Conferencing systems (Polycom, Tandberg). Excellence knowlege of SIP/H.323 and TCP-IP networking. … more

    Hi. I'm a VoIP engineer, mostly using Asterisk and FreeSwitch. Also have a huge expirience in traditional telephony, also Video-Conferencing systems (Polycom, Tandberg). Excellence knowlege of SIP/H.323 and TCP-IP networking.  less

    asterisk sip network-administration 00 more less
    • $30.00 HOURLY RATE
    • 4.5
    • 17 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
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