DHCP Freelancers

Showing 87 freelancers

DHCP Freelancers

Showing 87 freelancers

  • 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:
  • Server Engineer

    IT adminsitrator with 10+ years experience in enterprise solutions for various customers globally. CCNA; MCITP: Enterprise Admin (2008 R2), XenServer 5.6 - 6.2, Presentation Server 4.0 - XenApp 6.5, XenDesktop 3 - 7 Ultimately looking for a steady part time position with a company, but will take on contracts as well.

    dns dhcp vmware-administration vmware-esx microsoft-virtual-server citrix-xenserver xen-cloud-platform xen-hypervisor 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 13 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
    GROUPS:
  • Remote IT-computer, technical-support,server-administration, VMWare

    I'm a highly motivated problem solver with several good years of experience. I am Microsoft certified, currently holding the MCP and preparing to take the MCSE exams. Previous work: Responded to incoming technical support calls for ~30 mid to … more

    I'm a highly motivated problem solver with several good years of experience. I am Microsoft certified, currently holding the MCP and preparing to take the MCSE exams. Previous work: Responded to incoming technical support calls for ~30 mid to large sized companies. Managed a fixed schedule while taking incoming support requests. Provided troubleshooting on Win 2003, Win 2008 and Win 2012 Servers running Citrix, VMware, ADFS, O365, Exchange, Windows Terminal Services, All versions Windows OS and Mac Workstations. Experience in migrating Exchange to O365, handled Cutover and Hybrid migrations. Network troubleshooting on Cisco, SonicWALL, and Cyber configurations and VPNs. Worked with Microsoft Partner Support and many of the largest IT hardware/software vendors. Utilized Autotask and Connectwise ticketing system.  less

    microsoft-active-directory microsoft-exchange-server helpdesk-support windows-xp-administration dhcp virus-removal computer-networking windows-administration dns 00 more less
    • $16.67 HOURLY RATE
    • 5.0
    • 364 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 7 TESTS
  • expert web designer Developer

    My core ability lies in entire end to end management of a new website design and development project. I have a team of well-established web-designers and developers with the same skills. We are alos doing Lots of Html Email Templet … more

    My core ability lies in entire end to end management of a new website design and development project. I have a team of well-established web-designers and developers with the same skills. We are alos doing Lots of Html Email Templet design and coding working with some big brands around the world. We are comfortable working with all the web designing tools including Adobe Photoshop, Adobe Illustrator, Adobe Fireworks, Adobe flash, Corel Draw, Adobe Dream weaver ( HTML/XHTML, DHTML ), CSS/ CSS 2/ CSS 3, DIV/ Table, Java script, J Query etc. My programming skill included PHP, Word press, and Joomla.  less

    web-design css html php dhcp dns technical-support wordpress joomla 00 more less
    • $8.89 HOURLY RATE
    • 5.0
    • 1696 HOURS
    • INDIA
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 6 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Expert in GNU/Linux/Opensource/Embedded software

    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I … more

    Looking for challenging new projects which can effectively use my talents and creativity, to generate cost effective software solutions. I'm a world class C programmer (primarily on Unix/Linux) and I'm used to making "impossible" tasks "possible". I have a great deal of expertise in: * real time embedded systems * cross compilation/software construction * source control * network programming * system administration * kernel level programming/device drivers * image processing * performance and metrics  less

    c unix-system-administration embedded-linux linux-system-administration tcp-ip driver-development assembly-language agile-software-development object-oriented-design image-processing version-control freebsd dhcp git subversion reverse-engineering make-build-script 00 more less
    • $83.33 HOURLY RATE
    • 4.8
    • 3023 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 4 TESTS
  • Mr.

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS … more

     Design and implementation of Vmware ESX and ESXi Server/ Vsphere and other virtual technologies (VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.)  Performs the tasks of designing Advanced Security & Management Solutions.  Design and implementation of DNS Servers, Unbound DNS Server, Kerio Mail Servers, Send Mail Server, TACACS Server, CRM System, DOCSIS Cable Modem Termination System, Incognito DHCP Broadband Command Centre for CMTS.  Bandwidth management for Optical Fibre customers on Routers and Switches, Monitoring of links by using network performance monitoring tools such as Cacti, Manage Engine Netflow Analyzer, Solar Winds, Smonitor, Nagios etc  Implementation of routed & routing protocols, like OSPF, BGP, EIGRP in live environment  Worked on Cisco 2950, 2960, 3550, 3560, 3750, 6509 switches and 2500, 2600, 2800, 3600, 3700, 7200,  7600 series Routers in real environment approx. 500 Hours.  Implementation of (VLANs, VTP, RSTP, MSTP, ETHERCHANNEL, INTER VLAN ROUTING, HSRP, PRIVATE VLAN, SWITCH PORT SECURITY)  Design and implementation of VPNs ( Site-Site, Remote Access, DMVPN, IPSec over GRE, Get Vpn)  Design and implementation of MPLS VPNs  Management of CAR on routers and switches by rate limited feature  Design and implementation of (AAA with Local & Remote ACS Server, 802.1 x authentications, Proxy Authentication).  Design and Implementation of Microsoft Active Directory 2003 based on Microsoft best practices. Implementation of Anti virus Servers (Kaspersky, Sophos) in a medium sized company  Design and Implement SAMBA server using LDAP authentication for LAN users.  Design and Implementation of Send Mail Servers, MS Exchange e Server 2003/2007 based on Microsoft best practices.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos, Red Hat OS.  Implementation of different Network Performance monitoring tools such as (Cacti, Net Flow, Manage Engine OpUtils, SMonitor, Solar Winds, Nagios, JFF) to monitor WAN devices and different servers to optimize network resources and traffic.  Design and implementation of SIP on cisco voice gateways.  Design and implementation of MPLS VPNs  Support and Maintain Cisco Core Routers 7206VXR. 7600 Series, 2800 Series, small business series RV042, RV082 for vpn connectivity.  Supporting and Managing HEC Cisco Core and Edge Switching network.  Design and Implements SQUID 2.4, 3.1 Proxy Server based on Centos for differnet clients.  Deploy cacti, solar wind, cisco works Monitoring System to monitor Network and Bandwidth Usage.  Management of CAR on routers and switches by rate limited feature.  Design of Networking Infrastructure and resource sharing solution. The project covered the design of networking system, Servers, and applications in Windows 2003 environments. The project used TCP/IP as Network protocols and Star Topology.  Conduct Surveys on client sites and create project proposal and layouts for networks deployment and implementation.  Design and Implementation of BGP/MPLS, Traffic Engineering, Policy Based Routing PBR, Route Filtering, Redistribution, Route Summarization.  Catalyst IOS based Switches, VTP, STP, RSTP, Trunking, VLANs,  Layer 3 Switches, Logical Etherchannels, MLS.  IPSec, VPNs, AAA Model (RADIUS, TACACS+, Kerberos), Cisco PIX / ASA  Firewall, VPN Client, Juniper Firewall SSG5, SSG20  Design and Implementation of Incognito DHCP Server for assigning bandwidth to cable modem customers.  Media: Ethernet, FastEthernet, GigabitEthernet, FDDI, CDDI, Token Ring, ATM LAN Emulation.  Network Analyzers: Back Track 5 , Ethereal, Paketyzer, Radcom, Etherpeek.  Load Generator: Spirent Smart Bits, iperf, IPTraffic.  Leased lines 64k - 155Mb (PPP / HDLC), Channelized lines (E1 ), Fibre Optic Circuits, Frame Relay, xDSL, Load Balancing, Multi Homing, Satellite links. I also have extensive experience in following  Linux & Windows Integration in TCP environments  Expertise Linux Redhat, Ubuntu, SUSE, Centos, Debian, Slackware and Solaris Systems  Expertise in SQUID Proxy server. DNS Server, DHCP, Send Mail, Kerio Mail Server.  VMware ESX Server, Virtual Center, Distributed Resource Scheduling (DRS), VMware Data Backup , VMware Converter, VMotion, SVMotion, VHA, SVHA, FT, DRS, Power Management etc.  less

    asterisk linux-system-administration dns mail-server-implementation squid pfsense dhcp network-security solaris-administration windows-administration microsoft-exchange-server samba cisco-asa cisco-routers juniper-routers vpn mpls vmware-esx sendmail 00 more less
    • $11.11 HOURLY RATE
    • 4.5
    • 78 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • MCITP Virtualization Administrator/Exhange/ISA(TMG)/Lync/SystemCenter

    System Engineer in Microsoft Technologies from Russia. My Skills: Server OS: Windows Server 2003, 2008, 2008R2, 2012 Desktop OS: Windows XP, Vista, 7, 8 Roles: AD, DNS, GPO, DHCP, IIS, WDS, WSUS Products: Virtualisation: Hyper-V, VMWare, failover cluster, MSSQL Cluster … more

    System Engineer in Microsoft Technologies from Russia. My Skills: Server OS: Windows Server 2003, 2008, 2008R2, 2012 Desktop OS: Windows XP, Vista, 7, 8 Roles: AD, DNS, GPO, DHCP, IIS, WDS, WSUS Products: Virtualisation: Hyper-V, VMWare, failover cluster, MSSQL Cluster, VDI, FC, ISCSI, RD Farm, SCVMM 2008R2-2012 Exchange 2007, 2010, 2013 Lync front end server, Lync edge server, Lync mobility ISA 2004-2006, TMG 2010, TMG Enterprise Arrays Hardware: HP Storage Systems (MSA P2000, EVA P6000), HP Blade Systems HP Proliant Servers, HP Switches and SUN Switches.  less

    windows-administration windows-xp-administration network-administration virtualization microsoft-hyper-v microsoft-hyper-v-server clustering vmware-administration vmware-esx network-security isa-server microsoft-exchange-server data-backup microsoft-scvmm microsoft-sccm microsoft-lync-server microsoft-small-business-server-administration vpn iis dhcp dns microsoft-virtual-server ad-servers 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 169 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Network Security Engineer - Juniper/Cisco/Fortinet Expert

    Network & Security Professional 6+ Year Experience for Network Planning, Designing, Implementing and Optimizing as per the business requirements.Over the years of experience as a Network & Security Engineer I have developed in-depth active knowledge on following technologies & products : Technologies: TCP … more

    Network & Security Professional 6+ Year Experience for Network Planning, Designing, Implementing and Optimizing as per the business requirements.Over the years of experience as a Network & Security Engineer I have developed in-depth active knowledge on following technologies & products : Technologies: TCP/IP, IPv4, IPv6, Static Routing, RIP, EIGRP, OSPF, BGP, MPLS, Redistribution,NAT, Load Balancing, COS. QOS, VLANs, Trunking,QinQ, STP, RSTP, MSTP, VTP, GVRP, HSRP, VRRP, GLBP, SIP, Stacking, Virtual Chassis (VC), High Availability (HA), VPN- IPSEC, Remote Access, Web Filtering, IPS, IDS, Anti-Virus, Anti-Spam, RADIUS, TACACS, SNMP, Access Control, Jflow, Netflow, Sflow Monitoring, AWS VPC. In addition to above, I have also good knowledge of Red-hat & Windows. Products: Juniper (Netscreen, SSG, ISG, JUNOS, SRX, EX, J, MAG, MX Series, NSM) Cisco (RV, SMB - Switches and Routers, IOS - Routers, Catalyst-Switches, ASA Series ) Fortinet (Entry Level, Mid & High Range Firewall/VPN/NGFW/UTM-Gateway ) AWS, SonicWall, Dell, HP, Netgear, Mikrotik. I work remotely via SSH, RDP, VPN, Team-viewer and I can adjust to any timezone needs. Professional Certification in Juniper and Cisco Cisco - CCNP-R/CCNA Juniper - JNCIP-SEC/JNCIS-SEC/JNCIS-ENT/JNCIA-JUNOS Juniper Authorized Design Specialist- DC/Campus/Branch  less

    cisco-routers cisco-ios cisco-asa juniper-routers firewalls vpn openvpn tcp-ip network-security computer-networking network-planning network-administration junos jncia-junos security microsoft-visio dhcp ospf bgp ipsec mpls 00 more less
    • $55.56 HOURLY RATE
    • 4.8
    • 151 HOURS
    • NEPAL
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 6 TESTS
  • I.T Support Professioal, Creative Web/Graphic Expert

    To seek a professional and challenging position that would allow me to apply my skills & experience and provide me opportunities for career growth and personal development. Over the last 7+ years, i have completed many projects. My objective is to … more

    To seek a professional and challenging position that would allow me to apply my skills & experience and provide me opportunities for career growth and personal development. Over the last 7+ years, i have completed many projects. My objective is to provide the buyers completed projects within their budget and time and with full accuracy. My skill set includes: Operating System: Server: Microsoft Windows Server (2003, 2008, 2008 r2), Workstation: Windows 7, Windows Vista, Windows XP Databases: Microsoft SQL Server [2000, 2005, 2008, 2008r2] (SQL, deployment & maintenance) Scripting Language: HTML Graphics: Adobe Photoshop, Adobe Flash Professional, Adobe Dreamweaver, Corel DRAW, Coral Paintshop Photo, Jasc Paint Shop Pro. Networks/Protocols: TCP/IP, LAN/WAN, VPN, DHCP, DNS, POP3, Strong SEO and R&D skills  less

    html dhcp dns ftp database-administration data-backup disaster-recovery mail-server-implementation adobe-photoshop photo-editing adobe-dreamweaver adobe-flash microsoft-outlook-development operating-systems-development teamviewer computer-repair administrative-support technical-support vpn internet-research microsoft-sql-server-administration windows-7-administration windows-8-administration 00 more less
    • $16.67 HOURLY RATE
    • 3.9
    • 215 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 38 PORTFOLIO ITEMS
    • 7 TESTS
    GROUPS:
  • Senior Database Administrator / Developer OCP,MCDBA,MySQL,RHCT

    > 6+ years of experience in Oracle / MySQL / MS SQL DBA, Development and Database Architecture > Managing Very Large OLTP Databases (>3.2 TB) > Oracle (OCP) and RedHat Certified (RHCT) > Experience on installation different versions of Oracle/MySQL dedicate servers on Linux … more

    > 6+ years of experience in Oracle / MySQL / MS SQL DBA, Development and Database Architecture > Managing Very Large OLTP Databases (>3.2 TB) > Oracle (OCP) and RedHat Certified (RHCT) > Experience on installation different versions of Oracle/MySQL dedicate servers on Linux, Solaris, IBM AIX, HP-UX and Windows 2008/2003/2000 and tuned server level configuration parameters based on application behavior. > Expert-level knowledge in designing, implementing, and managing database systems for heavy-traffic transactions > Experience in optimizing a poorly designed and badly indexed schema of high traffic web applications and improved performance up to 600%. > Excellent knowledge and hands on experience of Optimizing Oracle/MySQL/MSSQL server settings on General Tuning > Expert Knowledge of Oracle Clustering (RAC), DataGaurd , Replication, Partioning, Golden Gate etc. > Experience in Production Oracle (RAC with 4 Node Cluseter) and MySQL (Cluster setup with two node. > Expert-level knowledge in Oracle/ MySQL/ MSSQL logical Architecture, Concurrency control, Transactions(ACID), Multi-version Concurrency Control and MySQL Storage Engines. > Experience on Normalization, De-normalization, Database modeling and ER diagrams > Excellent knowledge and solid experience in PL/SQL code Query Tuning and Optimization, Restructure quires and Query optimizer hints > Excellent knowledge and hands on experience in SQL and PL/SQL coding and optimizing in Oracle and Mysql servers. > Excellent knowledge and solid experience in Oracle/ MySQL/ MSSQL Architecture and Database Design > Good at coding, debugging and writing Stored Procedures, Functions, Triggers and Views by maintaining the standards to meet organization requirements and customer expectations. > Expert-level Oracle/MySQL/MSSQL high availability skills with Master:Slave, Master:Master, Master and Multiple Slaves, Master-Master in Active-Active Mode, replication troubleshooting and Replication failover alerts on heavy load application. > Excellent knowledge in creating new databases and users, Administrating security levels Privileges, setup schedule backups and failover alerts, Import and Export backups, crash recovery, using mysql utilities, data encryption and monitoring scripts. > Good at troubleshooting for technical problems and understanding the system. > Good scripting/programming skills bash Shell and PHP. > Experience in Linux & Solaris administration skills > Excellent Knowledge in Shell Scripting and configure for Backup failover alert, Replication failover alert, replication lagging alert, daily top 10 slowest query alert , Dead lock alert and other monitoring alerts. > Excellent knowledge and hands on experience in Migrating from other RDBMS MySQL to Oracle using Oracle SQL Developer. > Good at relational Databases design using MySQL 5.0, 5.1, 5.5 , Oracle 10g,11g and MS SQL 2005/ 2008/ 2012. > Experience on recovering lost/corrupted data from InnoDB tables. Knowledge in database architecture concepts as well as vendor-specific implementations > Excellent Time management skills for handling multiple projects. Active team player and a self-starter, capable of working independently. Intense desire to create new and innovative solutions > Ability to work independently on large projects. > Excellent communication skills written and verbal.  less

    database-administration linux-system-administration oracle-database mysql microsoft-sql-server-administration oracle-pl/sql unix-shell data-backup oracle-rac oracle-application-server apache-administration phpmyadmin oracle-forms oracle-reports stored-procedure-development oracle-apex dns dhcp iptables openvpn php phpbb sendmail squid 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 460 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
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