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On average, 178 Network Administration projects are completed every quarter on Upwork.


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Time needed to complete a Network Administration project on Upwork.

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Network Administration Upwork freelancers typically receive a client rating of 4.77.

Last updated: October 1, 2015
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Jodel Delgado

Jodel Delgado

Support Engineer

Philippines - Tests: 5

With over 13 years of experience in the IT industry. I have a strong background in hardware and software troubleshooting. I have an extensive knowledge on system administration, network administration, server/software deployment, virtualization (Vmware,ESX, Virtual box), Microsoft Sharepoint administration / Office 365, virus/spyware removal and firewall and antivirus security. Experienced in networking: T1, DSL, Cable (Cisco, ADIT, Adtran, Netopia T1 Router, Netgear products, etc...). Knowledgeable in Wordpress, HTML, XUL Fireworks, batch filing, VBS scripting, Flash and Dreamweaver.

$5.56 /hr
403 hours

Douglas Crowe

Douglas Crowe

Senior Programmer/Analyst

United States - Tests: 1

Hi, I am a programmer with over 15 years experience in the IT industry. I have successfully migrated many legacy Delphi/VB6 applications over to VB.NET as well as C#. Also in my career I have developed many extensive multi-user, multi-site software systems from the ground up covering areas such as dispatching, document management, sales & executive dashboards and ERP. I look forward to helping you with your own automation and business needs.

$66.67 /hr
34 hours

Damir Hajnal

Damir Hajnal

Desktop and database developer

Croatia - Tests: 2

I'm an experienced developer with 12 years working experience. My expertise is .NET desktop and windows mobile development in C# and VB.NET and Microsoft SQL server, but I also developed few projects in ASP.NET MVC and web forms. I am also skilled in network and server administration Other technologies that I am proficient with is ASP.NET MVC, ASP Web forms, HTML/JavaScript, Python, C++, Java, Postgresql and Gupta/Centura/Unify Team developer and sqlbase.

$22.22 /hr
0 hours

Alexander Afanasyev

Alexander Afanasyev

Engineer with wide experience in IT

Russia - Tests: 1

Over the last 4 years, I have researched questions a wide range of corporate services on Windows Server and Linux platforms. The main tasks that I decide are virtualization enterprise infrastructures using VmWare ESX and Hyper-V, configuration and support of transport equipment (Cisco and HP) and the corresponding server software. I also have experience with working with the MySQL database servers and MSSQL, web servers (Apache), VPN, AD, DNS, DHCP and other related technologies.

$22.22 /hr
0 hours

NewTech Generation

NewTech Generation Agency Contractor

Python - Django / C / C++ Development

Romania - Portfolio: 4

We offer a wide range of solutions in areas such as: web / software programming, UNIX system administration, networking, virtualization, security and storage. Please be aware of the fact that not all the projects are listed on the portfolio due to signed NDA.

Associated with: NewTech Generation

39% Job Success
$30.00 /hr
0 hours

Gary Spencer

Gary Spencer Agency Contractor

Salesforce Implementation & Development Consulting

Dominican Republic - Portfolio: 12

We are Salesforce CRM/ Intergration/Implementation Experts. We have been working exclusively with the Force/Sales/Service/Desk cloud technologies since 2007 for companies such as Capgemini, Adobe Systems, Intel, LanDesk, BoartLongyear, Appster, and Morgan Stanley. We work hand in hand with clients on projects of any size to achieve exceptional business improvements. We have successfully delivered several projects, in different industries, for organizations like Adobe Systems, Morgan Stanley, Radian Insurance, lattice Semiconductor, Marcus Miller Investments and LanDesk. We offer solutions analysis, implementation, customization, development, system integration, data migration, support and training services. We are highly skilled software developers, business analysts and project managers working full time in my office in San Pedro de Macoris.

Associated with: CRM Technologia, S.A.

73% Job Success
$44.00 /hr
0 hours

Arsen S.

Arsen S.

VoIP Administration & Development

Bulgaria - 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.

100% Job Success
$55.56 /hr
196 hours

Oleg Burca

Oleg Burca

System, Network and Hosting administrator. Wordpress Specialist.

Moldova - Tests: 5 - Portfolio: 2

Hi, I am Linux and Windows administrator, with more than 8 years experience. Currently I'm working as DevOps specialist and SysAdmin for a development company. We create websites, online shops, APIs, applications and much more. I manage about 50 virtual and dedicated servers hosted on AWS, in our DataCenter and all around the world, runing on Windows Server 2008/2012 and Linux Ubuntu/Debian/CentOS. Most of them are Web Servers, but there are also DataBase servers, Mail, FTP and Application servers. Previously worked as engineer in a hosting company and was responsable for installing new services, configuring hosting servers, backup configuration, monitoring and clients support. Managed about 70 servers. I have good network administration skills and a lot of experience with WordPress. Worked a lot wit different panel for hosting, billing, datacenter administration, virtualization, VoIP and other. Latest year, most of projects managed by were hosted on AWS (Amazon Web Services). I am familiar with technologies, the abbreviations of names of those could scare many people: RDS, EC2, Reserved Instances, ELB, SES, SNS, AMI, IAM, S3, VPC, Elasticache, Route53, CloudWatch and others. I can help you plan, configure, scale, monitor, reduce costs of your AWS services. So, what can I do for you?! * First of all I can setup for you a Web Server. IIS on Windows, or Apache/Nginx on Linux. It can be also a mixed configuration with Nginx as frontend and apache for backend. It can be proxy, caching or load balancing configuration. Configure SSL certificates. * I can setup a mail server based on Postfix/Dovecot with antispam and antivirus functionality, with SSL/STARTTLS security. You will be able to use a webmail or dedicated client. * I can setup a File/FTP/WebDav server. * I can setup a MySQL server with PHPMyAdmin. * I can setup a backup solution for your server(s). * I can setup a DNS Server and solve all messing with domains and records for different purposes. * I can setup a virtualization server. * I can setup VoIP server (based on Asterisk/FreePBX). Configure trunks, extensions, conferencies and caller groups. * I can setup a Firewall or/and Gateway server, routers and switches. * I can setup or improve security for your server(s). * I can help you design scalable and reduntant cluster for web, database or application. * I can configure hosting services on AWS, estimate and optimize costs (Most experienced with EC2, RDS, ELB, Route53, SES, SNS). * I can setup Windows Exchange server. * I can setup Windows SharePoint server. * I can configure any business services offered by Google, Microsoft, Yandex or other. * I can migrate your site(s) to another hosting account or server. * I can improve your WordPress website performance and secure it. * I can assist or train you on all stuff about.

$27.78 /hr
0 hours