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, 156 Network Administration projects are completed every quarter on Upwork.

156

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: June 1, 2015
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  1. Travis Buffington

    Travis Buffington

    NetSuite Consultant and Solution Developer

    United States - Last active: 3 days ago - Tests: 5

    Certified NetSuite ERP Consultant, SuiteCloud Developer, and Administrator with over 8 years experience with administration, customization, and development in NetSuite including NetSuite SuiteScript platform and API - also experience in NetSuite SuiteCommerce, SuiteFlow business process automation, SuiteTalk web services integration, and SuiteCloud customization platform - allowing clients to take NetSuite to the next level to best meet their business requirements. Trimtab Consultants is a NetSuite Solution Provider focused on enabling business growth through the use of NetSuite cloud solutions and products.

    $165.00 /hr
    589 hours
    4.81
  2. Arsen S.

    Arsen S.

    VoIP Administration & Development

    Bulgaria - Last active: 1 day ago - Tests: 2 - Portfolio: 6

    I am focused in VoIP field only and I have been working here for more than 8 years. My Area of experiences: VoIP -Asterisk PBX: Full proficiency -FreeSWITCH: Full proficiency -Yate: Full proficiency -Strong knowlege of SIP protocol and SIP routers/proxy servers -OpenSER (Kamailio/OpenSips) -Load Balancing, Least Cost Routing, High Availability, NAT Traversal, Rate and billing systems, etc. -IVR and Auto Attendant Development -Secure VoIP: TLS, SRTP, ZRTP Full proficiency in free Billing/CDR solutions: -A2Billing: Full proficiency (configuration from scratch, customisation) -CDRTool (prepaid billing/accounting and sip tracing for OpenSIPS using RADIUS) -CDR-Stats (call detailed statistic/realtime stat for asterisk and freeswitch) -cgRates (billing for Freeswitch) I provide: - Development of custom Billing and software solutions for Premium Rate Numbers business. - HA and Scalability solutions for existing VoIP networks. - Development and optimisation of VoIP networks/projects. - Ongoing support via request/ticket tracker system. - VoIP Security and Hacker protection solutions. I have successfully completed large amount of commercial installations of VoIP PBX servers. From SOHO to Enterprise deployment including integration of various VoIP solutions into existing network environment. I also have experience in building of secure "bastion" VoIP/Linux servers. Payment Terms: Minimal support package 5 hours. Short-term hourly support: $50 For long-term support please contact for price options. For sizable development projects please contact for price options. We charge upfront scoping (roadmapping meeting, flat-rate). Hourly based projects: -Current hourly rate is $50. Price per projects/feature: -Fixed price projects are calculated based on the hourly rate and expected task complexity. -For all fixed price projects complete project specification with clear tasks description is required -For all fix price projects work will be started only after payment has been es-crowed and both parties have agreed with working terms.

    $55.56 /hr
    136 hours
    5.00
  3. Sandor M.

    Sandor M.

    System/Network administrator

    Romania - Last active: 23 hours ago - Tests: 7 - Portfolio: 3

    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
    3,071 hours
    4.97
  4. Minh N.

    Minh N.

    Server Admin/Linux/Unix/AWS Ec2/ Nginx /WordPress/Magento/Odoo

    Vietnam - Last active: 23 hours ago - Tests: 7 - Portfolio: 15

    I have been Server Admin and Web Developer for over 10 years, I worked with many top-rated websites all over the world. I am expert with LEMP and LAMP system, very good at speeding up servers and sites. For some personal reasons, I MOVED back to Vietnam. I am also working at Elance and Freelancer. If you need references, please don't hesitate to contact me. http://vincosolution.com/ My Blog: http://blog.vincosolution.com/ My Linkedin: https://www.linkedin.com/profile/view?id=204192625 Security Portfolio: http://goo.gl/75iNSS http://packetstormsecurity.com/files/author/8194/ http://sangte.blogspot.com/ Hall of Fame: https://www.apachefriends.org/about.html - Linux maintaince/troubleshooting (RHEL, Centos, Debian, Ubuntu, FreeBSD, gentoo, Mac OS X Server) - Windows Maintaince / Troubletshooting (Windows Server 2003-2012, Hyper-V, Lync, SharePoint Server 2010-2013) - Virtualization: (Vmware Esxi 5.x, Openvz, Virtuozzo, Xen, KVM, Vserver) - Cloud hosting (Amazon EC2, AWS, S3, RDS, simple Cache) - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies, tcpdump) - Web servers (apache, nginx, lighttpd, tomcat, ssl installation and troubleshooting) - Caching ( apc/xcache/memcached/varnish/nginx) - Load Balancer (Nginx/Haproxy/Hardware LB) - Mail servers (exim, postfix, qmail, antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot) - Bulk marketing (Dkim, spf, high speed/inboxing, interspire) - Automation (puppet, perl/shell/awk scripting) - Monitoring (nagios, zabbix, munin) - Hosting Control Panels (Cpanel/WHM, Plesk, Directadmin, ISPconfig..). - Mobile Application (Android / iOS / Windows Phone)

    Groups: Bluehost Developers and Designers

    $38.89 /hr
    1,784 hours
    4.86
  5. Evangelos E.

    Evangelos E.

    Amazon Cloud

    Cyprus - Last active: 28 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
  6. Diego Blanco

    Diego Blanco

    Linux Systems Administrator

    Spain - Last active: 23 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
    636 hours
    4.92
  7. Ismet Dumlupinar

    Ismet Dumlupinar

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

    Turkey - Last active: 23 hours 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
    2,236 hours
    4.86
  8. Alex S.

    Alex S.

    Senior Linux Programmer / Administrator

    Ukraine - Last active: 1 month ago - Tests: 3 - Portfolio: 1

    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
  9. Hays E.

    Hays E.

    Senior System Admin

    United Kingdom - Last active: 8 days ago - Tests: 3

    Strong technical and academic background, 10 years of enormous variety of experience in Microsoft, Cisco, and Virtualization areas. Project Management, team lead, technical planning and SME level of consulting, hands-on experience and implementation. In the last decade involved heavily in visualization, Exchange, Networking, Domain Migration and Windows upgrades. Planned, installed and maintained various virtualization solutions running VMserver, ESXi, ESX 3.5-4.1, VSphere 5,5.1 and 5.5). Microsoft Hyper-V 2008, 2012, Clustering, SCVMM, APP Controller. Hyper-V Replication Managed and implemented various Physical-to-Virtual migrations and Virtual-to-Virtual from VMware to Hyper-V based on the client's requirement. Implemented storage solution based on Open Source storage software , SAN , including clustering and replication. including planned, configured, implementation and backup solution with disaster and recovery solutions. I'm an EXPERT in messaging environment covering all possible aspects of email security and delivery. Windows domains configuration, upgrade, migration, consolidation, co-existence in various small, medium-sized, very-large organizations. Systems backup procedures, disaster recovery scenarios. IIS, Live Communication Server, SUS, WSUS, SQL, BlackBerry. Expert in Microsoft Exchange including Exchange migration for 2003,2007,2010 and 2013 with Office 365. Being heavily involve in to the anti-spam, anti-virus and other security solutions allows me to expand my knowledge with different security implementations of those solutions by various companies. I have build a enamours Citrix farms including 4.5,6.0 and 6.5. Recently building a full farm using Citrix Provisioning Services which stream all the XenApp server for a single golden image with XenDesktop too. Also using Citrix profiler to build all the business applications in an isolated packages and stream it to the XenApp servers with Edgesight in place for farm monitoring. finally allowing external users to access the Citrix resources using Citrix Access Gateway(CAG) QUALIFICATIONS Professional: • MCSE (Server Infrastructure) • MCITPA(Enterprise Messaging Administrator on Exchange 2010) • MCSA (Windows Server 2003, 2008, 2012) • MCITPA (Enterprise Administrator on Windows Server 2008) • CCNA 1&2 (Cisco Academy) • OCP(Oracle certified professional) • MCDBA (Microsoft Certified Database Administrator) • MCP (Microsoft Certified Professional) • Management and Team Working Course Academic: (MSc) Computer Systems Management University Of Teesside, UK

    $35.00 /hr
    47 hours
    5.00
  10. Dmitry Z.

    Dmitry Z.

    DevOps, Expert Linux Administrator

    Serbia - Last active: 23 hours ago - Tests: 8 - Portfolio: 4

    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. My GitHub account: https://github.com/freeminder Linux distros: RHEL, CentOS, Ubuntu, Debian Virtualization hypervizors and containers: KVM, VMware ESXi, oVirt, OpenVZ, LXC, Docker, DEIS, Kubernetes Cloud platforms and API: AWS, DigitalOcean, Softlayer, Rackspace, Linode 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

    $44.44 /hr
    922 hours
    5.00