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On average, 113 Network Security projects are completed every quarter on Upwork.


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Time needed to complete a Network Security project on Upwork.

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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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Stanislav Kotov

Stanislav Kotov

Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

Russia - Tests: 9

I am Senior network engineer/Architect searching job at free time (usually few hours/day). Now i am working at Cisco/Juniper Partner in System Integration Company. I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs). All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases. Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote. I know in detail and have big practice of various network technologies: Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases) VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping, policies and your needs, including multi-color policers. Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones: DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other. Big experience in automation: building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei). Programming experience: Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also), Shell scripting - bash, awk, sed, beginning to learn Python, C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code. Also have experience in Windows administration AD deploying till W2003. Huge experience of user support. The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it. I am taking full responsibility of my work. Have strong tradition to make documentation on my work. If you have big projects, which requires presence in the site we can discuss it.

$56.00 /hr
13 hours

Hans W.

Hans W.

Senior System Engineer

United States - Tests: 2

Accomplished System Administrator with 16 years of experience in research and instructional computing support. Comprehensive experience with Linux, Windows and Solaris. Specialties * Enterprise System Administration * Storage Management * Network Engineering * Datacenter Operations

100% Job Success
$44.44 /hr
679 hours

Walker Rowe

Walker Rowe Agency Contractor

American Tech Writer, not a Company

Chile - Portfolio: 17

US native and citizen. Tech writer and programmer. Hire me, you get me. Not a company. I do not outsource the work to people you do not know. My writing is easy-to-read, technically-accurate, interesting, and error-free. I know several programming languages including Java and R and am expert with cybersecurity. I take pride in the quality of my work. I work twice as hard on each project as required, because I want it to be 100% perfect. All my customers are satisfied. You will be too. On eLance, I have worked more than 130 jobs all under the name Southern Pacific Review, which is my company. I am the only employee. My account was recently migrated to Upwork due to the merger of the two companies. You can see my job history here: Here is my LinkedIn profile: Here is my eLance profile: Here are some links to my writing and code:

Associated with: Southern Pacific Review

83% Job Success
$27.00 /hr
0 hours

Bhushan Kumar Sharma

Bhushan Kumar Sharma

Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

India - Tests: 4 - Portfolio: 14

Since 2001, I have been dedicatedly working with Linux Operating Systems & Open Source. Services Provided ::- Deployment, Configuration, Security, Hardening, Monitoring, Performance Tuning, Troubleshooting of Linux Server Roles AWS – Amazon Web Services Migration of Servers Hosting Panels like WHM/CPanel, Plesk etc Asterisk Dialers, VOIP and Call Center Solutions Customization of Linux Kernel & Distro with Rebranding Faculty of Post-Graduate Degree in Computer Sciences. Firewalls & Gateways Linux HPC - High Preformance Clusters Remote Server Support & Troubleshooting L3/L4 Security Auditing of Servers & Websites Cloud & Virtualization Technical Writing VPN - Site-to-Site, Road-warrior Vulnerability Assessment & Penetration Testing Kayako

100% Job Success
$16.67 /hr
3,994 hours

Jorge Lopez

Jorge Lopez

Ethical Hacker and Digital Forensic Investigator

Mexico - Tests: 4

For the past seven years, I have been learning about the information security world, working as an CEH (Certified Ethical Hacker). With some of my co-workers, i have participated in a lot of projects, strictly focused on Information Security. Also, as we evolve and grow in this area, we have trained ourselves in Forensics Sciences, attending clients who need to know what happened after a contingency. I consider myself a self-taught person that likes to grow and that is not afraid of challenges or difficult cases. At this moment my priority is to teach and so much to share the little knowledge I have gained over the years, as well as learn from those who have traveled a different path and with this keep on growing.

$111.11 /hr
0 hours

Richard Martin

Richard Martin

QA Test Engineer / Security Expert - CISSP, CEH

United Kingdom - Tests: 2

I have over 8 years experience in software testing and systems administration. I'm skilled in Linux application testing, white/black box testing, penetration testing, mobile app testing (Android & iOS) and load testing. All test cases, steps and reports are fully documented for client review. I have tested web applications for the top 3 technology companies in Silicon Valley. Current available test rig: OSX 10.9.2, Win 8, Win7, Win Vista, Win XP, IPhone 7.1.1, Fedora, PCLinuxOS, CentOS, Ubuntu, Samsung Galaxy Tab, IPad, IPad mini

100% Job Success
$20.00 /hr
3 hours

Mukul Dharwadkar

Mukul Dharwadkar Agency Contractor

Highly Experienced IT pro

United States - Tests: 7 - Portfolio: 1

Highly experienced professional with a lot of experience in managing critical projects both from a process perspective and technically. Over 14 years of solid technical background in Linux / Unix environment running Apache/Nginx web servers Apache Tomcat servers Apache Cassandra Hadoop Mysql DB Perl/Python/Shell Scripting Magento, Joomla, Drupal, Wordpress hosting ISPConfig, cPanel, zPanel, Plesk installation. Also have extensive experience in managing a Windows based environment. I also have a lot of experience in Software testing / QA and security testing.

Associated with: Dharwadkar Corp

100% Job Success
$44.44 /hr
119 hours

Manali D.

Manali D. Agency Contractor

One Stop Corner for Website/Web Development | Mobile Apps | Softwares

India - Portfolio: 4

*** Topmost Web Designing and Development - Android development - iOS development Company *** Array Infotech Pvt. Ltd. is a vision to turn your dreams into reality, started in 2009. Earned CMMI Level 3 recently. It is a software development company located at Gujarat, India. We have nearly 110+ employees with varying and certified technical skills. We are now 5+ year old company with strong leadership having nearly 7 years of IT Industry experience. We have worked on projects for web based development, client-server technologies development, web designing, Mobile app development product development. Visit us surely at: Our Core Expertise: ------------------ - Web Applications Development - Enterprise solution development - Desktop Applications/Desktop Widgets - Integrating 3rd Party web services - SOA enabled applications development - E-Commerce application development - Maintenance and enhancement of existing application - SaaS enabled application development - Product engineering - Mobile application development - Gaming development Technology Expertise: -------------------- - VF, APEX, classes, triggers, pages,packages, web service call outs, s-controls, scheduled batch jobs, customer portal development, Integration with external applications, Conga developers integration, QuickBooks integration - .Net 1.1/2.0/3.0/3.5/4.0/4.5 (C#, VB.NET), ASP.Net, Winforms - WPF, WCF, Silverlight, LinQ, Windows Compact Framework - Web application, Desktop application, Windows services and Web service development - Classic ASP, Visual Basic 6.0, VB Script, Java script, jQuery - Databases - MS SQL , My SQL, Oracle, Access - Reporting: Crystal Report, SSRS, Jfree Charts, Jasper reporting - Server Technologies : BizTalk, SSIS, SharePoint, IIS, Tomcat, Weblogic, Webspear - Java/J2EE, EJB, JSP, Servlet, JSF, J2ME - Frameworks : Spring, Hibernate, Struts, MVC, Tibco GI, DNN, Rich Faces, Maven - Development tools- Visual Studio, Eclipse, RAD/RSA - Third party integration - Telerik, DevExpress ,Yahoo UI, Backbase, Quickbooks, Conga Developers, Aspose.PDF, Aspose.Slides, Adobe InDesign, iTextSharp - PHP, open source frameworks like Zoomla, Drupal, Wordpress, Zend, CodeIgniter - Testing - NUnit, jUnit, TestDirector, Selenium - Web 2.0, Ajax implementation - iPhone/iPad/Android development ----------------------------- Our AIM is to ----------------------------- - Provide 100% Satisfaction to our customers - Provide Quality Service - Provide Value for money We believe in best and we think that our customer business grows, our business too will grow.

Associated with: Array Infotech Pvt. Ltd

50% Job Success
$4.00 /hr
0 hours

Hakimuddin G.

Hakimuddin G.

Penetration Tester | Ethical Hacker | SQL Injection | XSS Tester

Kuwait - Tests: 9 - Portfolio: 18

IT Security Consultant providing Consistent, Timely, and Cost-Effective IT Security Services. "" ### Professional Security Services ### # Web Application/SaaS Security Testing and Defense (sql injection, cross site scripting) # Penetration Testing & Ethical Hacking # Vulnerability Assessment & Network Auditing # Implementation and auditing of various security compliance(ISO 27001, NIST, PCI-DSS) # Protection of hacked websites and servers, cloud security. # Security Testing Mobile Apps, Chrome Apps, Salesforce AppExchange Business Apps , RESTful Applications and APIs # Security Awareness - On Demand Phishing for Organizations. ### Value Added Services ### # Debrief with the client at the conclusion of each engagement. # Research and provide recommendations for continuous improvement. # Knowledge sharing. ### Certifications ### CISM,CISSP,Certified Ethical Hacker, ISO27001, Security+ ### Hands on Experience ### Web applications :- Wordpress, Joomla, Drupal, Network :- Cisco, Linksys, Netgear, TP-Link, E-Commerce Security - OScommerce, prestashop, Magento Forums - MyBB, phpBB cPanel, WHMCS Linux, Windows, Ubuntu, CentOS etc. ### Tools ### Manual SQL Injection Testing, Business Logic vulnerability testing, Kali Linux, Burp Suite, Metasploit Pro

100% Job Success
$27.00 /hr
1,661 hours

Shahzad Rana Younus

Shahzad Rana Younus

CISSP/Cloud Expert/Technical Writer/Tableau/Project Manager

Pakistan - Tests: 4 - Portfolio: 2

I am certified, experienced and seasoned IT professional. Over the past 14 years, I have accumulated a vast range of experience which entails me to tackle most IT situations I encounter quite easily and efficiently. If you want the work done related to IT, I am the guy to hire. If still skeptical, have a look below at my achievements. Progressive experience with administration, and directing a broad range of Corporate IT initiatives & business focused solutions using leading ICT technologies with industry best practices and standards. Specialties: IT Security and Infrastructure development (CISSP - Certified Information Security Professional - Member ID 302621) ITIL Foundation, COBIT 5 BI Tools - Tableau / QlikView Business Continuity & Disaster Recovery Planning Network Administration and Database Management CISCO Networking Virtual/Cloud Computing Network security and Server Administration Technical Writings SEO/WordPress/WHMCS LinkedIn profile:

94% Job Success
$12.50 /hr
122 hours