Network Administration Freelancers

Showing 5,898 freelancers

Network Administration Freelancers

Showing 5,898 freelancers

Browse Network Administration job posts for project examples or post your job on oDesk for free!

Network Administration Job Cost Overview

Typical total cost of oDesk Network Administration projects based on completed and fixed-price jobs.

oDesk Network Administration Jobs Completed Quarterly

On average, 150 Network Administration projects are completed every quarter on oDesk.

150

Time to Complete oDesk Network Administration Jobs

Time needed to complete a Network Administration project on oDesk.

Average Network Administration Freelancer Feedback Score

Network Administration oDesk freelancers typically receive a client rating of 4.76.

4.76

Last updated: February 1, 2015

  • System Administrator / DevOps

    12+ years of experience in administration of servers powered by the Linux and FreeBSD operating systems. Full time independent contractor during the last 4 years. * CentOS, Debian, RHEL, Ubuntu; FreeBSD, OpenBSD * AWS, Digital Ocean, Hetzner, Linode * Ansible * Apache, lighttpd, nginx … more

    12+ years of experience in administration of servers powered by the Linux and FreeBSD operating systems. Full time independent contractor during the last 4 years. * CentOS, Debian, RHEL, Ubuntu; FreeBSD, OpenBSD * AWS, Digital Ocean, Hetzner, Linode * Ansible * Apache, lighttpd, nginx, uWSGI * MySQL, MariaDB, PostgreSQL * Postfix, Dovecot, Postgrey, SpamAssassin, ClamAV * Docker, KVM, libvirt, LXC, OpenVZ, Vagrant, VirtualBox, FreeBSD jails * DNS: BIND, NSD, PowerDNS * DRBD, Heartbeat * Load balancing: haproxy, keepalived, nginx * Quagga, Open vSwitch, iptables, ipfw, pf, bonding, bridging * VPN: StrongSwan, OpenVPN, Racoon * Sensu, Nagios, Munin, SmokePing, Monit, Collectd * SAN: HP MSA, IBM DS * Backups: duplicity, rsnapshot, bacula * Scripting: Python (Boto, Django, Scrapy), Ruby, shell, PHP * cPanel, WHMCS (designed and developed from scratch a registrar module for an unsupported domain registry)  less

    linux-system-administration devops amazon-ec2 unix-system-administration firewalls mysql network-administration python tcp-ip unix-shell 00 more less
    • $45.00 HOURLY RATE
    • 5.0
    • 1416 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 11 TESTS
  • Network Security Engineer CCNP Routing Switching and Security

    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 … more

    In last 5 years i have been working on variety of network products and have gained wide experience in Cisco,Juniper routers, switches and firewalls. i have been involved in design, configuration and troubleshooting of Network products. Routers: Cisco 2600 Cisco 2800 Cisco 3800 Juniper J Series Switches: Cisco Catalyst 2900 Cisco Catalyst 3500 Cisco Catalyst 3600 Cisco Catalyst 4500 HP 3500 HP 2500 Firewalls: Cisco ASA 5500 Series Juniper SSG Series Pfsense Zyxel Zywall USG Series WatchGuard XTM series Cisco RV Series Cisco PIX Cisco IPS 4200 Series  less

    cisco-asa cisco-routers cisco-ios firewalls vpn network-administration tcp-ip cisco-pix ipsec network-security network-planning computer-networking avaya windows-administration snmp microsoft-exchange-server ccnp vmware-administration vmware-esx 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 319 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 8 TESTS
  • System/network administrator

    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 … more

    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.  less

    network-administration amazon-web-services linux-system-administration freebsd virtualization nginx apache-administration unix-system-administration amazon-ec2 python 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 211 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Network and System Administrator

    Level 3 support for various customers. Technologies: MS Windows 2003/2008/2012 Linux (CentOS) MS Exchange 2003/2007 2010/2013 BlackBerry Enterprise Server Plesk, cPanel SonicWall Firewall, Cisco, Fortigate VPN Tunnels Network Load Balancing and High Availability IIS, Apache, Tomcat … more

    Level 3 support for various customers. Technologies: MS Windows 2003/2008/2012 Linux (CentOS) MS Exchange 2003/2007 2010/2013 BlackBerry Enterprise Server Plesk, cPanel SonicWall Firewall, Cisco, Fortigate VPN Tunnels Network Load Balancing and High Availability IIS, Apache, Tomcat DNS Server MAC OS Citrix XenServer, Microsoft Hyper-V, Vmware MSSQL, MySQL Exim, Postfix, PowerMTA Elastix, Asterisk, PBX technologies Backups - Symantec, Veeam Web Hosting and reselling Clouding Infrastructure planning and development Help Desk and support [level 3 only] I've been involved in various maintenance and/or implementation projects based on technologies mentioned above. I have also participated to network design and implementations projects as well as assisting customers migrating to the latest technologies. Nevertheless I assisted customers reaching their proposed goal or milestone in IT.  less

    linux-system-administration firewalls tcp-ip apache-administration iis network-administration vpn virtualization microsoft-virtual-server centos asterisk cisco-asa elastix citrix-xenserver xen-hypervisor xen-cloud-platform windows-nt-administration windows-administration cpanel blackberry-app-development 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 1968 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • IT Technologist (Network, CCTV, Video Surveillance, IP Camera)

    I am an Talented and Experienced Network Engineer, sales engineer, physical security engineer (Alarm Systems, Access Control, and Video Surveillance), and communication specialist with over 20 years in the design, installation, configuration, administration and troubleshooting of networks, security systems, video … more

    I am an Talented and Experienced Network Engineer, sales engineer, physical security engineer (Alarm Systems, Access Control, and Video Surveillance), and communication specialist with over 20 years in the design, installation, configuration, administration and troubleshooting of networks, security systems, video surveillance (IP Cameras, Analog and HD-SDI camera systems). My primary language is English and I speak and read binary natively. I do live and breathe IP networking, I do not claim to know everything there is to know about Networking; however, I enjoy the work I do and I do my best to be as efficient and as useful as I can while always putting the client's interest before my own financial gains. I can provide consulting services and remote network engineering skills utilizing LAN infrastructure - Routers/Switches/Firewall, VLANS, LACP, PAgP,802.1q, RSTP, OSPF, BGP, Trunking, etc. WAN infrastructure - Point to Point DS3 (T3) and DS1 (T1) utilizing ATM and SONET Technology; DSL and cable modem Internet Backup links, Site to Site/Site to Mult-isite and Client to Site VPNs. Internet and intranet DNS - Domain Registration, Domain setup on Microsoft / Bind DNS servers, and troubleshooting DNS Related issues. - Domain delegations utilizing glue records and also setting up caching nameservers. Wireless: Mikrotik, Ubiquiti, and Motorola Point-to-Point and Point-to-Multipoint design, installation and configuration. Wireless RF planning of indoor and outdoor wireless networks utilizing heat maps for wifi coverage. Technology: I have a great deal of experience in various ISP (Co-location, Data Center, Internet Service Providers) technologies that focuses on managed services utilizing Juniper and Cisco Firewalls, Cisco, HP and Foundry Layer 2 and Multilayer switches, Cisco and Juniper Routers, Cisco and Foundry Load Balancing utilizing Content Switching and ServerIron Technology, and IP address optimization. IPv6: I can provide IPv6 support and consulting services on the creation of business plans, business cases, migration, transition, new installations, and upgrades to your existing IPv4 network. Security Solutions: Honeywell, 2GIG, GE, ITI, Alarm.com, Total Connect, Interactive services, IP CCTV, IP Surveillance, IP Camera, Alarm System and CCTV System design (Pre and Post Sales Support). CVE-2014-0160 - OpenSSL Heartbleed patching.  less

    dns firewalls apache-administration cisco-routers tcp-ip vpn cisco-asa computer-networking wireless-network-implementation network-security ipsec network-administration nagios ingress-filtering bgp ospf network-planning wireless-security security linux-system-administration windows-administration 00 more less
    • $45.00 HOURLY RATE
    • 5.0
    • 462 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 10 TESTS
  • System Administrator (Linux)

    Hi, my name is Anton Yushkov. In my portfolio, there are a few scripts that I developed. But I don't know how I can show my sysadmin jobs, not all of them have a frontend. I believe my strong … more

    Hi, my name is Anton Yushkov. In my portfolio, there are a few scripts that I developed. But I don't know how I can show my sysadmin jobs, not all of them have a frontend. I believe my strong points are my Knowledges, Educability (there are a lot of tools in the world that I didn't know previous), and Punctuality. My #1 goal is always be to meet your needs at deadline. When I start new project, I like to speak with the client to take a whole and clear understanding of his/her needs and vision of projects. So I can choose the best way to reach the client's needs. I strive to help more fully and accurately. Since 2008, I've been a system administrator of windows and linux systems. It is servers for office local networks and internet sites and services. Also in 2011, I got RHCSA certificate, so since 2011 I've been specializing in linux systems. System administration - is the complex way, so I can do a lot of various jobs, but I prefer setup servers, configure automating self-support (backups, checks, other) and write scripts (bash, python). Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to work with you soon. I have a degree Engineer of Automation, Remote Control and Communication from University of Railways. Listed below are my experience and skills: - Web servers: apache, nginx, proxy-sites (apache and nginx), ssl. - DB: installation and setup of postgresq and mysql. Also mongodb and sybase. - Security Linux servers: iptables/ufw, openvpn, fail2ban and other. - Backup: duply (duplicity), bacula, bash scripts. - Monitoring: zabbix, cacti, xymon (hobbit). - Virtual servers: ESXi, VBox, Hyper-V, KVM. - Management server: CFEngine, ansible, - Mail: exim, dovecot, roundcube. - VOIP: Asterisk - Elastix. - Program languages: python, bash, php, perl, bat and other if need. My greate job is local network of developer company: ESXi servers with vm's and one NAS for backups. Services: Subversion (legacy) Gitlab Nexus Sonatype YouTrack TeamCity OpenGrok (search of code) Crucible (code review) gateway with proxy-site for all services and Active Directory authorization. mail (exim+dovecot+roundcube+postfixadmin) some self-writed services (autogenerate openvpn keys, signes for e-mails) time sheet service and others. All of it have a backup local and offsite with automate scripts and howto's for restore in case a fire in the office J  less

    linux-system-administration vmware-esx unix-system-administration unix-shell python bash iptables redhat-administration javascript tcp-ip network-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 66 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 7 TESTS
  • Cisco Network Engineer | CCNP Security, Voice, RS

    I have been working with a broad range of network topologies, from small office to huge distributed network. Being in the industry more than 8 years, I have a lot of expirience in major enterprise technologies: Security, Voice, Data and … more

    I have been working with a broad range of network topologies, from small office to huge distributed network. Being in the industry more than 8 years, I have a lot of expirience in major enterprise technologies: Security, Voice, Data and Wireless. I am proficient in configuring Cisco routers, switches, ASA firewalls, SourceFire 3D, wireless controllers, CUCM, Unity, Presence, UCCX and other voice platforms, planning and deploying high available topologies, miscellaneous types of VPNs. I have also been involved in projects contained security configuration audit and best practices compliance checks. Certifications: ========== CCNP, CCNP Security, CCNP Voice, ASA (VPN/Firewall) Specialist Hardware: ========== Switches: 2960 / 3650 / 3750x / 3850 Routers: 88x / 19xx / 28xx / 29xx / 38xx / 39xx / ASR Firewalls: ASA 5505 to 5585 Wireless: WLC 2504, 5508, NGWC 5760, virtual WLC Technologies: ========== +Voice: * Cisco Unified Call Manager / CUCM * Cisco Unified Call Manager Express / CUCME, SRST * Cisco Unified Contact Center Express / UCCX, UCCX scripting * Cisco Unity Connection / CUC * Cisco Unity Connection Express, IVR Scripting * Cisco Presense * H.323, SIP, MGCP, T1/E1 Controllers * QoS, Call Admission Control +Security: * network configuration audit * misc ACL implementation * statefull firewalls: CBAC, Zone-Based Firewalls * Identity-Based firewalls * SourceFire 3D * router / switch hardening * best practices compliance * administrative accounting to syslog +ASA firewalls: * single-context and multi-context mode * failover (active-standby and active-active mode) * clustering * security policies and protocol inspections * WCCP proxy redirection * WAN link failover * dynamic routing * NAT +VPN: * Remote Access - Radius, LDAP and Certificate-based authentication - Active Directory authentication - OCSP revocation check - SCEP enrollment - one-time passwords * Lan-to-Lan * DMVPN * SSL VPN * GET VPN * IKEv1 and IKEv2 +Wireless: * Cisco Wireless controllers 2504, 5508, NGWC 5760, virtual VLC * Miscellaneous Cisco Aironet Access points * FlexConnect * Local switching / centralized switching * High availability / failover * Mobility / roaming * BYOD auto-provision with Cisco ISE * VoIP over WLAN (Cisco 792x phones) +Switching: STP, VTP, trunking, multilayer, port security, 802.1x, dynamic policy-based VLAN assignment +Routing: EIGRP, OSPF, BGP, redistribution, HSRP, GLBP, PBR, SLA, WAN redundancy +Centralized authentication: Cisco Secure ACS, Cisco Identity Services Engine / ISE, Microsoft Windows IAS/NPS, Microsoft CA server, Microsoft OCSP Online responder, SCEP certificate enrollment, OpenOTP +Network monitoring: netflow, syslog-ng, zabbix, cacti, prtg +Virtualization: Hyper-V, VMware ESXi/Infrastructure  less

    cisco-asa cisco-routers cisco-ios cisco-voip network-security network-administration vpn ccnp firewalls sip 00 more less
    • $40.00 HOURLY RATE
    • 4.9
    • 122 HOURS
    • ESTONIA
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 5 TESTS
  • Cisco Telecommunications Engineer - Powering productivity through Comm

    Who I am... Network Engineer with 5+ years of experience working with a variety of technologies from different vendor like Cisco, VMware, Microsoft, Watchguard, Barracuda, etc. I had designed and implemented networks from scratch starting on the infrastructure (Routing and … more

    Who I am... Network Engineer with 5+ years of experience working with a variety of technologies from different vendor like Cisco, VMware, Microsoft, Watchguard, Barracuda, etc. I had designed and implemented networks from scratch starting on the infrastructure (Routing and Switching), Security and finally the Applications (Unified Communications and Collaboration). My Mission... I specialized on designing and implementing network solutions for small, medium and large businesses in many different vertical markets like the oil and gas industry, banking, food and beverages industry and others. I had achieved customer satisfaction 100% of the time and exceeded their expectations while staying on-budget, meeting deadlines and finding new business opportunities inside the company and the customers. Always looking for the biggest challenges that help me excel myself not only in the networking field, but also in the business management side of the company making myself an integral and interdisciplinary engineer capable of achieving the impossible.  less

    cisco-ios windows-administration linux-system-administration cisco-voip network-administration computer-networking voip-administration 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 257 HOURS
    • VENEZUELA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • DevOps, Expert Linux Administrator

    I am a DevOps who has strong skills and pragmatic experience. Also I had extensive IT background as an expert Linux sysadmin for over 12 years. My knowledge of programming languages and systems administration allows me to integrate and automate … more

    I am a DevOps who has strong skills and pragmatic experience. Also I had extensive IT background as an expert Linux sysadmin for over 12 years. My knowledge of programming languages and systems administration allows me to integrate and automate much of my work. Linux distros: RHEL, CentOS, Ubuntu, Debian Virtualization hypervizors and containers: KVM, VMware ESXi, oVirt, OpenVZ, LXC, Docker, DEIS, Kubernetes Cloud platforms and API: AWS, OVH, DigitalOcean Monitoring: Zabbix, Nagios/Icinga, Munin, Cacti, Monit Load balancers: HAProxy, Nginx Web servers: Apache, Nginx App servers: Phusion Passenger DB: MySQL, Percona XtraDB Cluster, PostgreSQL, Redis, MongoDB Mail servers: Postfix, Exim, Sendmail, Dovecot, Courier Control panels: cPanel/WHM, Parallels Plesk/Power Panel Configuration management and deployment: Chef, Capistrano Continuous Integration: Jenkins SCM: Git Scripting: Bash, Ruby, Python Frameworks: Ruby on Rails BDD: RSpec, Capybara  less

    ruby ruby-on-rails amazon-web-services network-administration html5 ajax virtualization linux-system-administration devops 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 703 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 8 TESTS
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