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Network Security Upwork freelancers typically receive a client rating of 4.75.

Last updated: October 1, 2015
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Sudan D.

Sudan D.

Network Engineer : Cisco : Juniper : Fortinet :

Nepal - Tests: 6 - Portfolio: 4

Despite the fact I am in young age I have years of experience with computers, networking and system. I am very tenacious and autodiact technical person for Cisco and Juniper Enterprise Network. I love to dig deep into specific technical challenges. 6+ years experience in Enterprise Netwrok. # Hands On Experience # Cisco: ASR 9K, ASR 1K, Nexus 7K, Nexus 5K, 4507R+E, 3900 Series, 2900 Series, 3850 Switches, 3650 Switches, 2960X Switches, ASA 5525X, ASA 5515X, ASA 5512X Juniper: MX40, MX5, SRX 550, SRX 240, SRX 220, SRX 210, SRX 100, EX 4300, EX 4200, EX 3300, EX 2200, MAG 4610, etc. More from Other Vendors # Some Highlights # @ Defining architecture and design for Enterprise customers. @ Lead engineer on some of the big enterprise networking projects. @ Training Internal Employee and customer. Main focus on Cisco and Juniper internetworks at Campus and Enterprise customers

100% Job Success
$34.00 /hr
243 hours

Jay Upadhyay

Jay Upadhyay

Jay Upadhyay

United Arab Emirates - Tests: 9 - Portfolio: 7

Windows Server 2003/2008/2012, MS Exchange server 2003/2007/2010/2013, MS Lync Server 2010/2013, SCCM 2007/2012, SCOM 2007/2012, SCVMM, SCSM 2010/2012, Hyper-V, PKI, ADFS, Virtualization, Private Cloud, Office 365/DirSync/SSO, Windows Clustering/NLB.

98% Job Success
$55.56 /hr
173 hours

Christopher Jinks

Christopher Jinks

Advanced 1st & 2nd Line systems analyst

United Kingdom - Tests: 2

I can provide 1st and 2nd line systems support to an outstanding standard with impeccable customer service. These include, but are not limited to; -Software -Hardware -Networking -Operating systems -Virtualisation -Thin Client -Microsoft Office packages -Password retrieval -Scripting

100% Job Success
$8.33 /hr
8 hours

Ishan Ariyaratne

Ishan Ariyaratne

Network Engineer

Sri Lanka - Tests: 3

Work Experience: (From April 2010 to Present) Worked at Inbay Pvt. Ltd. [] as a system administrator (Business to Business). Joined Inbay as a Technical Support Engineer and got promoted to the position of the technical lead – Technical support team (Business to Consumer), then as a system administrator (Business to Business). Inbay is an organization which provides IT Support services for both Business and Consumer markets in UK and US. Duties & responsibilities; • Providing the technical leadership and subject matter expertise in applicable technologies and serving as a point of escalation for technical issues related to specialty. • Identifying, diagnosing and providing timely resolution for level one, level two and three user inquiries. • Identifying risks & issues and taking ownership to deliver appropriate resolutions. • Producing, delivering, and maintaining appropriate documentation for systems in accordance to document control standards and procedures • Supporting and maintaining effective relationships with business and consumer clients. • Providing case status updates to management and end users, developing documents and implementing standard operating procedures and customer service guidelines. • Collaborating with other team members on planning and execution. Hold progress meeting • Leading post-incident debrief sessions with key clients. • Contributing to long-term tactical and strategic planning to ensure that the tools and processes are appropriate to meet the future business requirements. • Reviewing, and updating as appropriate, operations procedures, standards, and technical policies. Was Employed at Eureka Technology Partners from April 2010 to September 2010 as a Support Technician.

100% Job Success
$11.11 /hr
1,788 hours

Jose S.

Jose S. Agency Contractor

MCITP | VCP | BCSA | ITIL | ISO 20000 | ISO 27002

Philippines - Tests: 5 - Portfolio: 5

"Teamwork is the ability to work together toward a common vision. It is the fuel that allows common people to attain uncommon results."

Groups: Microsoft Certified Professionals

Associated with: StuxNet Career Solutions

100% Job Success
$15.00 /hr
3,439 hours

Shama M.

SQL BI /RHCE/ Automation / Scripting/ Python/ QA / CEH

United Kingdom - Tests: 7

Highly motivated developer following Agile methodologies with overall Six+ years of experience in :- - Oracle(SQL, PLSQL 9i), SQL server 2008 (TSQL, SSRS, SSIS) - Sharepoint, BIDS, SSMS, Report Manager, Report Server - Automating routine tasks using Python, Bash, Batch, Powershell scripting. - AWS/VPS/Redhat/CentOS/Ubuntu Linux Administration. - Windows 2003 / 2008 / 2012 Server Administration. - Replication/Clustering setup, Server hardening. - Server Monitoring (Nagios, Cacti, Monit, Munin) and Tuning. - VMWare, XEN, Virtuozzo, Virtual Box. - Continuous Integration (SVN, GIT, Jenkins, TeamCity, Python, Ant, Maven). - SMTP setup using Postfix. - HTML, CSS3, Python, Shell Scripting. - Hosting Expert (Cpanel WHM, Plesk), VPS, Linux, Windows, Backup, Migration, Administration. - Manual and Automated Testing using Selenium, AutoIT, Python, Sikuli - Smoke & Sanity, Black/White Box , Integration, Regression, Load, Security Testing, UAT, Performance, Non-functional, Database testing, exploratory testing. - White Box Testing tools : NUnit, JUnit, TestNG, MS Test - Bug Reporting Tools : TestTrack Pro, Bugzilla, Trac, Trello

81% Job Success
$17.00 /hr
13 hours

Dexcleir Rañin

Dexcleir Rañin Agency Contractor

Web Developer/Software Engineer/IT Technician/IT Consultant

Philippines - Portfolio: 4

Computer Programmer Experienced: I have 5 years experienced in Computer Programming started from C language,, Java,C#, ASP MVC 4 and PHP. For this time,I focus on PHP language because of my current projects. Im flexible in what language to be use in the project as long as there's a time, I think no problems, will not be solved. Its a matter of time, experience and passion to code. I code because I love Programming/Coding. Computer Technician Awards/Experienced: Champion in ICCF 2013 competition. 1st runner-up in ICCF 2012 hardware competition. Certificate: National Certificate II in Hardware Servicing I have a solid 5 years experienced in computer/laptop troubleshooting, either the defects is hardware or software. I can assemble/disassemble Desktop computers and Laptops. I have encountered Hp, Dell, Asus, Acer, Sony, and many others. I've been encountered many problems, in response made a solutions for it. I've installed ,configured,and network. internet cafe softwares like cafesuite,cafestation,and handy cafe.Configured modem, installed switches,modem,router.I have also installed wireless networking. I was a Technical Specialist at Global Care Solutions.(Studied, all the concept of call center, the flow,of the company, managing it,software we used,language we use like MySQL for querying the server database, administration (database administration, windows administration, and unix/linux administration(centOS,ubuntu, debian) ), study on how to configure vicidial,and study also, on how to manage asterisk server type database. and data mining. My goal is to further more my knowledge regarding about computers. develop it. and never stop learning!i'll continue feed my brains. I want to develop my networking knowledge capability,Linux administration, windows server administration, database administration,website making and software making. Specialties: Software Development and Computer/Laptop troubleshooting(hardware/software).

Associated with: BAIZHETECH

$7.78 /hr
0 hours

Alamdar Hussain

Alamdar Hussain

Malware Removal, Virus removal, Website Hack Fix, Joomla, Wordpress

Pakistan - Tests: 4 - Portfolio: 8

I am experienced in Malware Removal, Enhancing Security and doing hosting transfers for Wordpress, Joomla, and other websites. My work is fast and accurate and I give main importance to communication - I'm always available online (Skype, or e-mail) and I'll do my best to keep my clients updated during (and even after!) our collaboration.

Groups: Bluehost Developers and Designers

96% Job Success
$20.00 /hr
280 hours

Bogdan daniel S.

Bogdan daniel S.

VCP, MCSA, Exchange, Vmware, HyperV, Servers Expert Admin

Romania - Tests: 8 - Portfolio: 1

10+ years experience in Information Technology (IT) Major areas of expertise: VMware and Microsoft virtualization technologies. Designing and implementing fault-tolerant virtualization clusters SAN and NAS systems (iSCSI, FC) Windows 2003 / 2008 / 2012 Server * Active Directory * Microsoft ISA Server and TMG * Clustering * MS Windows XP/Vista/7/8 desktop/workstation operating systems * Centralized anitivirus systems WSUS * TCP/IP, Switching and Routing * Firewalls IBM, HP, Dell Servers * DNS, DHCP, Wins * Print Server * File Server * Network and Servers documentation * LAN hardware/software administration, design, installation and configuration * Print Server * LAMP Administration * Linux services : squid, postfix, dovecot, firewall, ldap, mysql, nagios, dhcp, bind etc Certifications: MCP - Microsoft Certified Professional MCSA - Microsoft Certified Systems Administrator VCP - Vmware Certified Professional VCP-510 * VCA-DCV - Vmware Certified Associate Data Center Virtualization.

Groups: Microsoft Certified Professionals

100% Job Success
$22.22 /hr
2,674 hours