Network Administration Freelancers

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Network Administration Job Cost Overview

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

Upwork Network Administration Jobs Completed Quarterly

On average, 142 Network Administration projects are completed every quarter on Upwork.

142

Time to Complete Upwork Network Administration Jobs

Time needed to complete a Network Administration project on Upwork.

Average Network Administration Freelancer Feedback Score

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

4.76
Last updated: May 1, 2015
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  1. Evangelos E.

    Evangelos E.

    Amazon Cloud

    Cyprus - Last active: 19 days ago - Tests: 1

    Over the past 15 years I have been involved in systems and network engineering across heterogeneous environments. During the last 7 years I have worked in the design and implementation of Virtualization solutions with VMware and small to medium size Datacenters. For the last 2 years I worked on several Cloud Migration, SaaS Deployment projects and Architecting/Managing Amazon SaaS Environments. Some recent responsibilities/projects include: * Server Operating Systems: Amazon Linux, Windows Servers * Monitoring/Trending/Notification with CloudWatch, SNS, Nagios, Munin, DotCom-Monitor * Design/Implementation of SaaS Environment in multiple Amazon VPCs * Amazon Console Security using IAM / CLI and API Tools * Database Services utilizing Oracle, MSSQL and MySQL RDS * Reverse-Proxying/Load-Balancing using Nginx, HAProxy and Amazon ELB * Storage/Content Delivery utilizing CloudFront with S3 and Akamai * Host Intrusion Detection utilizing OSSEC (AlienVault) * Vulnerability Assessment utilizing QualysGuard (internally to VPC and externally to websites) * Application Servers: JBoss, Oracle Application Server, WebLogic * Email Servers: Sendmail, Procmail, Postfix * VPNs: Cisco VPN, Cisco Anyconnect, OpenVPN, OpenVPN Access Server * Automation of Amazon Deployments with Chef and Cloudformation * Server Migrations to the Cloud using Double-Take, Amazon VMDK Import, Rsync

    $50.00 /hr
    6,963 hours
    5.00
  2. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 20 hours ago - Tests: 7 - Portfolio: 3

    I'm an expert in GNU/Linux systems and other UNIX flavors. I have experience in CDN deployment, Cloud Computing, High Availability, Monitoring and Video Transcoding and Streaming. I've been working with GNU/Linux since I was 14, what makes more than 10 years of experience so I have a good background in its evolution, tools and administration. I also use to implement tools in shell script and python and I use to code my applications in python. In the last 6 years I've been working as systems administrator and Integrator for an IPTV company that offers streaming and web services. I directed projects regarding software distribution and upgrades automatization, product deployment architecture design and products monitorization. I co-designed and co-deployed the cloud computing platform for the company, its CDN with High Availability, its telephony system and other projects. I really like to learn new technologies, test its capabilities and see what can they do. I like to meet new people, work with them and share knowledge and opinions.

    $33.33 /hr
    624 hours
    4.92
  3. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 3 days ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,231 hours
    4.86
  4. Sandor M.

    Sandor M.

    System/Network administrator

    Romania - Last active: 20 hours ago - Tests: 7

    Over 10 years experience as Linux administrator . Configured and maintained hundreds of servers having different tasks : web server (Apache/Nginx+php/ruby/perl), mail server (with AV and spamassassin), file server, mysql/postgresql, dns, IM server, VOIP, firewall/VPN. As a network administrator in a small WISP i built my skills up in wireless, routing/BGP, routers/swithes/firewalls, network monitoring/troubleshooting. I write my own scripts (shell/Perl) . Also i have limited experience in programming, mostly Php and C. Serverfault profile : http://serverfault.com/users/164490/sandor-marton

    $35.00 /hr
    3,027 hours
    4.97
  5. Alex S.

    Alex S.

    Senior Linux Programmer / Administrator

    Ukraine - Last active: 22 days ago - Tests: 3

    I'm a senior Linux programmer and an experienced server administrator. I can do followings: 1) Programming languages C, C++(Boost), perl, java, python, sql, shell scirpt, JSON/XML 2) Programming experience on Linux - Network (tcp/ip, socket, tcp and udp protocols like http) - Programming (multi-threading, database like mysql) - Platform (linux, windows, macos, OpenWRT, Raspberry PI, embedded os) - Libraries (libpcap, curl, json, pf_ring) 3) Linux server administration - Network security products (Sophos, PFSense, Mikrotik, etc.) - Web hosting (AWS, cPanel/WHM, VPS, VMware) 4) Network management in Linux - Firewall (iptables) - VPN (openvpn, pptp, ipsec, l2tp) - Load Balancing and HA (ipvsadm, heartbeat) - Web Server and Proxy (apache, nginx, squid, haproxy) - IDS/IPS (snort, bro, suricata) - DPI (opendpi, qosmos) - Database (mysql, postgresql) - Cryptography (aes, des, rsa, ssl, tls)

    $55.56 /hr
    14 hours
    5.00
  6. Billy Guthrie

    Billy Guthrie

    IT Network Technologist

    United States - Last active: 1 month ago - Tests: 10 - Portfolio: 8

    I am an talented and experienced Technologist that is knowledgeable in the field of network engineering, sales engineering, physical security engineering (Alarm Systems, Access Control, and Video Surveillance), and communications. I am a very direct and trustworthy person; I will not waste your time, so I expect you will not waste mine. If you request my services, I will assume you are aware of my hourly rate; please do not request a lower rate. I enjoy the work I do and I do my best to be as efficient and as productive as I can while always putting the client's interest before my own financial gains. With that being said, I am a sole contracting firm; I run a very successful local profitable business here in Hawaii. I can provide consulting services and remote network engineering skills utilizing Amazon AWS VPC and EC2 network design on VPN, BGP, GRE utilizing VyattaOS. 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.

    $45.00 /hr
    471 hours
    4.98
  7. Alexander K.

    Alexander K.

    Cisco Network Engineer | CCNP Security, Voice, RS

    Estonia - Last active: 3 days ago - Tests: 5 - Portfolio: 4

    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

    $55.00 /hr
    122 hours
    4.88
  8. Sergey Golovchenko

    Sergey Golovchenko

    DevOps/System/network administrator

    Ukraine - Last active: 20 hours 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.

    $55.56 /hr
    211 hours
    5.00
  9. Alex D.

    Alex D.

    Network / Security / VoIP / Unix Specialist

    Russia - Last active: 20 hours ago - Tests: 6

    15+ year experience in networking. Built an ISP (Internet Service Provider) from scratch. Network Planning, Designing, Implementing and Optimizing. Right now we have about 4500 customers. We use Wireless & Fiber technologies. I do WISP and ISP consulting. I specialize on the following products: *** HP (mainly ProCurve switches family and rack servers) *** D-Link (layer 2 & 3 manageable switches) *** Ubiquiti (AirMax, Unifi, mFi & AirFiber products) *** Mikrotik (CCR series, wired & wireless RouterBoard series, x86 RouterOS) *** Grandstream (VoIP PBX, Phones, Gateways and ATAs) *** Linksys (VoIP products) *** Cisco (VoIP products and Catalyst series) *** DELL (SonicWall series) *** Draytek (Network & VoIP series) *** Other products: Linux, Mac OS X, Windows, vmware ESXi, Asterisk, FreePBX I have a good knowledge of the following technologies: TCP/IP, IPv4, Static & Dynamic routing, BGP, EIGRP, OSPF, Layer 2 & Layer 3 VPNs, IPSec, NAT, PAT, STP, VLAN, QinQ, GVRP, HSRP, VRRP, RSTP, MSTP, VTP, RDP, Firewall, Remote Access, HTTP, Load balancing, QoS, CoS, OpenVPN. Check out tests I've passed. I'm new to oDesk, thats why my hourly rate is low now :-) I'm ready for a test task.

    $34.99 /hr
    50 hours
    5.00
  10. Ahmed ALzaeem

    Ahmed ALzaeem

    squid expert-Cisco-Asterisk-Voip-Linux-VPN

    Palestinian Territories - Last active: 20 hours ago - Tests: 3 - Portfolio: 1

    Cisco ISP Engineer , with over two Years experience in an ISP company , i have a great experience in dealing with complex ISP networks and other networks . In addition to being CCNP Certified , i have an experience in implementing ,monitoring & Troubleshooting various cisco networks. In addition to Cisco , I have an experience in squid cache servers and integrating it with Cisco equipment and Linux Voip servers such as Elastix & freepbx. Also i have an experience with Microsoft Active directory & DNS. I can and will deliver great results with short time and client satisfy.

    $45.00 /hr
    33 hours
    5.00