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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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Scott Cavanaugh

Scott Cavanaugh

System administrator

United States - Tests: 4 - Portfolio: 1

I have been a systems and network administrator for roughly 20 years. I own a computer consulting company that has been in business for the past 13 years. I would consider myself a one stop shop because of the broad range of work related to computers I perform. Qualification Highlights Information Technology Project Management Operations Management Technical Analysis Network Engineering Systems Integration Migrations/Upgrades IT Strategy Development Multiple Programming Languages Custom AutoCAD Programming LISP Programming/Crystal Reports Exchange Server Active Directory Sharepoint Server DNS Firewalls Experience in most Autodesk applications SQL Server DHCP Routers/Switches

$25.00 /hr
14 hours

Farhan A.

Farhan A.

Technical Services Engineer (Infrastructure & Networks)

Qatar - Tests: 2

I.T Service Management professional with project management background. Postgraduate in Computing science, started career in 2009. working within IT Management, Services & High availability concepts within a 24*7 Operations Environment. Results-driven versatile professional having multiple domain experience including I.T Project Management, Networking and Server Administration. Productive and responsible in learning new technologies and full paced experience on I.T & Network support. Key Skills • IT Service Management • Network Management • Technical Writing • Troubleshooting / Problem Solving • Project Management

$20.00 /hr
0 hours

Vafran Ahamed

Vafran Ahamed Agency Contractor

Network & Security Consultant + Engineer

Sri Lanka - Tests: 3

Determination is the key of Success. I'm having more than 7 years of experience in Data Network and IT Security. I'm CCNP certified Infrastructure Engineer working in a Enterprise NOC team. My Primary roles are - Network Planning/Designing & Implementation, Problem Management, Incident Management, ITIL Best Practices, Network Platform: Switching & Routing, ASA Configuration,RIP, EIGRP, OSPF, BGP, ACLs, Frame-Relay, VPN, WLAN, VLANs, STP, Inter VLAN routing, HSRP, GLBP, Network troubleshooting, Server Platform: Windows 2008 & 2012 Server, SharePoint Administration,Active Directory, TMG, MS Exchange Server, Hyper-V server, Print and File Servers, GPMC, DNS, DHCP, IIS, FTP, MS Office, Microsoft Visio and others. Secondary Roles are- Web Designing & Developing: Logo designing, word press,Joomla, Web Hosting, PHP Cloud Computing, Virtualization, VMware Technologies, Citrix

Associated with: VirtualGems

$20.00 /hr
23 hours

Faisal Mushtaq

Faisal Mushtaq

Technologist & Business Expert

Pakistan - Tests: 11 - Portfolio: 1

Over eighth years of experience in IT Operations, Network Administration and IT Technical Support along with my services for HR, Billing and Operations Departments for department restructuring. During the years, I've developed my skills in professional letter writing along with in my area of specialization i.e, Network Administration. I look forward to do more to explore and prove my multi-dimensional abilities.

$13.00 /hr
3 hours

Leah P.

Reliable Data Entry, Administrative & Bookkeeping Service Provider

Canada - Tests: 6 - Portfolio: 1

I have worked as an office assistant for 3 years and over 10 years experience with computers as a programmer/operator. I am currently working as a bookkeeper for over 3 years now using QuickBooks. I am seeking opportunities to apply my bookkeeping qualifications and skills to contribute towards the success of the company which will give me a chance to grow professionally in this field but also help in the efficient running of the organization.

$12.00 /hr
1,291 hours

Salahuddin Razib

Salahuddin Razib Agency Contractor

Server Administrator, Automation, Script, C++, VC++, AutoIt, imacros

Bangladesh - Tests: 10 - Portfolio: 2

Virtual Assistant, Programmer and Automator. Can do Ad posting and Lead Generation. I can make web bots, I have good experience in windows automation. I have worked with AutoIt, imacros, Sekuli, winautomation, autohotkey etc. I can fix any hardware, network and OS related problem of PC or Server. I have good experience in troubleshooting and virus removal. I have experience in web scraping too. I am a system administrator, I have good experience in Linux and Asterisk. I also want challenging Development and Programming position where i can apply my technical skills and experience to facilitate the success of complex and large project. I want established my self as a professional software developer and programmer, so that over last 8 years I have developed wide range of desktop application for my clients using VB, .NET, C#, C++, Delphi, MySql, Access.

Associated with: Interwave

73% Job Success
$12.00 /hr
134 hours

Christopher C.

Christopher C.

Help Desk, General Administrative Support

United States - Tests: 7

Served over 15 years in the US military, with experience encompassing all aspects of Information Technology, Radio Communications equipment and leadership roles. Strong commitment to efficient, quality work completion. -- 15+ years experience in IT in areas of Technical Support, Network Support and Information/Internet Security -- 3 years experience as Help Desk manager supporting a high level NATO command. -- Completed A+ , Sec+, Certified Ethical Hacker certifications.

$16.00 /hr
63 hours

Mohamed Fahim

Mohamed Fahim

Expert in Asterisk, A2billing, Elastix and AWS, Cloud telephony

Sri Lanka - Tests: 4

Over the last nine years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, A2billing, Elastix, Asternic, PIAF, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec installation also Genband C3, Genband G9, Genband T800, Genband S3, Nextone VOIP Support.

67% Job Success
$16.00 /hr
775 hours

Jonathan Dyer

Jonathan Dyer

Active Directory and Exchange Consultant

United States - Tests: 7 - Portfolio: 1

A highly experienced Microsoft technologies consultant with extensive experience with Active Directory and Exchange, with concentrations on migrations, support models, networking, enterprise level design, implementation and optimization. I have over 15 years hands on and in-depth experience with Windows Server NT, 2000, 2003, 2008 and virtualization technologies such as Hyper-V and VMware. My areas of expertise are: • Active Directory • Microsoft Exchange, 4.0, 5.5, 2000 ,2003, 2007, 2010 • Microsoft Windows NT, 2000, 2003, 2008, 2012 Server • TCP/IP • Virtualization • VMware • HP, Dell and IBM Servers • DNS, DHCP, WINS • File and Print Servers • SAN/NAS Appliance • Veritas Backup Exec • OS X+ • Windows 7, Windows 8, Windows 10, Windows 2000, Windows Vista, Windows XP • WSUS • Network and Servers documentation • LAN hardware/software administration, design, installation and configuration Soft Skills • Disaster Recovery • Mobile Telephone Technology and Applications • Network and System Design • Thin Client Technology Routers, Switches and Firewalls • Barracuda Networks SPAM Firewall • Cisco 1600, 2500, PIX 515, PIX 525, VPN • F5 Networks Big IP 3600 • Linksys WRT, Linksys WAP series • Netgear ProSafe series • WatchGuard SOHO and Firebox X series I have led many projects both large (over $10M) and small ($500K and under) and acted as a vendor management liaison and interface with people at all levels to help enhance organizations and technology effectiveness.

100% Job Success
$75.00 /hr
220 hours