Top Upwork Freelancers

Clear all filters

Iulian S.

Iulian S. Agency Contractor

Server and Cloud Architecht/Visionary

United Kingdom - Tests: 18

During the last 4 years I have been focusing my work towards Cloud technologies, fault tolerant, high traffic, integrated and distributed environments of any sizes. So long to my past life as a classic Microsoft core/LAMP sys/net admin. I have worked in the internet service provider companies and software development companies for more than 10 years. I have good communication and excellent problem solving skills which are reflected in my past work on oDesk. A few skills.... ✔ Infrastructure design ✔ Project management, Technical support management ✔ DevOps ✔ General Networking, CCNA ✔ Distributions: Debian, RHEL, CentOS, Fedora, Oracle Enterprise Linux, Ubuntu, Gentoo ✔ Microsoft Technologies: Windows Servers and Clients, AD, Exchange, TFS, IIS, MSSQL, Microsoft Networking, Lync. I have the experience, now I need the badge so I'm pursuing MCSA/MCSE ✔ Amazon AWS: EC2, S3, RDS, RDS, VPC etc ✔ Deployment: Puppet, Chef ✔ Cloud: OpenStack, some CloudStack ✔ Web Services&Environments: Nginx, Apache, lighthttpd, Tomcat, JBoss ✔ Fail-over: clustering, backups, replication, ha-proxy, etc ✔ PHP scripting and webdevelopment ✔ 24/7 Monitoring : Monit, Cacti, Nagios, Zabbix

Associated with: IT Prime Agency

80% Job Success
$50.00 /hr
5,512 hours

Imran Rafique

Imran Rafique

Windows administration ,Exchange Server,Office365,Virtualization,Azure

Pakistan - Tests: 9

Expertise in Active Directory,TMG,DNS,DHCP, Exchange Server 2000 to 2016, Exchange Hybrid with office365, Windows Azure ,EMC Storage ,Virtualization, VMware Esxi, Hyper-v. More than 9 years experience in working large environment, managing Microsoft Servers, Microsoft Exchange Servers, office365 and Strong knowledge of windows cluster and Microsoft Exchange Server Cluster.

$15.00 /hr
2 hours

Mayank S.

Mayank S. Agency Contractor

System Center Architect

India - Tests: 10

More than 8 years of experience in Microsoft Enterprise Platforms Support and specialize in System Center Configuration Manager (SCCM 2012/2012 R2), Data Protection Manager (SCDPM) & Windows Platforms. Highly trained technology expert adept at developing easy-to-read instructions, procedures from complex information and overseeing functionality and operations.

Associated with: WinTechNerds

$27.80 /hr
36 hours

Triet Trinh

Joomla, Drupal, Wordpress, ExpressionEngine, Codeigniter, osCommerce

Vietnam - Tests: 9

Pentagonsoft ( is a leading software development company based in Vietnam. Pentagonsoft have a team of professionals who have exposure to and are comfortable with current software technologies. This ensures that Pentagonsoft deliver services, products and support, which provide our clients with the advantages that these software technologies bring along with them. Similar is Pentagonsoft approach to other application areas, be they Front-ends for web enabled applications. With the great strength of team at Pentagonsoft, we deliver qualitative, time-driven, service backed-up solutions. PHP is a corner stone of Pentagonsoft work for web programming. Pentagonsoft deep expertise with markets and technology platforms enables Pentagonsoft to offer a high quality, full range of life-cycle development services, from requirements gathering and definition, through the delivery and deployment of solutions. Pentagonsoft software development professionals bring years of experience in developing commercial software applications to meet both the business and technical requirements of a project. Pentagonsoft offering High Quality Solutions to Web Design, Web Development, Ecommerce solutions, Oscommerce, Script Installations, Software Testing, Web Maintainence, Multimedia and Design Solutions to various clients all over the World. Pentagonsoft offers a wide range of customer management solutions to our clients and their customers. We provide 24 hours online support to our clients in yahoo, msn, aim and google messenger so that clients will have up to date status of the on going work. We address our clients' service strategies, anticipated volume and service levels, reporting and analytical requirements, back-end system integration, and training and staffing needs.

$8.00 /hr
9 hours



Network and Computer Systems Administrators

Morocco - Tests: 6 - Portfolio: 2

Passionate, diligent and focused Engineer with 5 years of cumulative experience as a : - Network Engineer ; - System administrator ; - Desktop Support Engineer ; - Application Devloper; - Database administrator. Technical knowledge & proficiency in system administration, network maintenance, hardware maintenance, operating systems, Linux, Windows. .NET Technologies, Web Application Development, Databases, Web Development, Graphics and Internet Security

$34.44 /hr
0 hours

Alexander Romanov

Alexander Romanov

Senior System and Network Administrator

Russia - Tests: 10

I have 13+ years of experience in installing, configuring and maintaining network equipment, servers and operating systems. I have the valid CCNA certificate. Most of my time I worked with MS Windows Servers, Linux, FreeBSD and their services, such as DNS, DHCP, DFS, FTP, SMB, RIS, WDS, Active Directory, WSUS, VPN, NPS, Terminal/Print/Fax Servers, Exchange, ISA, Squid, IpTables, Samba, Apache, etc. I have a good experience to work in virtual environment based on VMWare and Hyper-V. I can optimize routine processes such as software deployment, setting up clients via Group Policy, data backing up, etc. Mostly I worked with network equipment CISCO, 3Com, HP, Mikrotik, D-Link and other brands. I'll help you improve your existing network or create a new one, add new services, and solve existing issues. If you have any questions, fell free to contact me via $kype - just find me by nlckname TestICQ or leave me a message on this site.

$10.00 /hr
0 hours

Santhosh C Agency Contractor

Windows Server,Virtualization and Network Expert

India - Tests: 5

Expert in : 1. Windows Server administration 2. Microsoft Exchange Server all versions 3. Windows Small Business Server implementation,management and migration 4. Virtualization in VMware and Hyper-V 5. SAN and NAS technologies 6. Network administration

Associated with: Nocme Technologies Private Limited

98% Job Success
$20.00 /hr
242 hours

Glenn Prince

Glenn Prince

Senior IT Professional

Australia - Tests: 10

I have had a wide variety of experience across multiple area's of IT, including infrastructure, development and design. Currently I am providing web and desktop application development services for a number of companies across various industries. I prefer working with Microsoft stack on Azure including ASP.Net, MVC, C#, SQL Server etc. Why choose me ?: -I make sure every hour billed is productive -I communicate clearly and never disappear without notifying you in advance -I reside in Australia and English is my primary language -I have over 15 years of full-time experience working on-site and remotely for a variety of companies I have had experience with a number of other technology areas: - Identity and Access Management (Forefront Identity Manager / OpenAM) - Virtualisation (VMWare and Citrix) - Windows Servers (Application, Domain, IIS, MS SQL) - Unified Communications (Lync) - Electronic Document and Records Systems (HP Trim, OpenText ECM Suite, Xerox DocuShare) - C# / ASP.NET / MVC Development

$35.00 /hr
1 hours

Joey Washburn

Joey Washburn

Certified, Professional Systems Engineer - Windows - Exchange -Virtual

United States - Tests: 7 - Portfolio: 3

Exchange Migrations/Upgrades/Troubleshooting Windows Migrations/Upgrades/Troubleshooting VMware Deployments/Planning/Migrations/Upgrades F5 Deployments System Center Operations Manager Windows Server 2008 R2 Windows Server 2012 R2 EMC Backups As a Microsoft Certified engineer since 1999, I have provided support for companies of all sizes. Throughout my career, I have helped clients support Microsoft Windows NT 4.0, 2000, 2003, 2008 and 2008R2 along with many of the software and services that run on Windows including IIS, SQL, Exchange and more. I have held several certifications over the years from Microsoft, Citrix, Cisco and Novell. I am currently a VMWare Certified Professional and a Microsoft Certified Technology Specialist.

Groups: Microsoft Certified Professionals

100% Job Success
$70.00 /hr
165 hours