Network Security Developers & Programmers

Browse Network Security job posts for project examples or post your job on Upwork for free!

Network Security Job Cost Overview

Typical total cost of Upwork Network Security projects based on completed and fixed-price jobs.

Upwork Network Security Jobs Completed Quarterly

On average, 116 Network Security projects are completed every quarter on Upwork.

116

Time to Complete Upwork Network Security Jobs

Time needed to complete a Network Security project on Upwork.

Average Network Security Freelancer Feedback Score

Network Security Upwork freelancers typically receive a client rating of 4.74.

4.74
Last updated: May 1, 2015
More options
Clear all filters
  1. Oleksandr N.

    Oleksandr N.

    Senior System Administrator, Security officer, Migration engineer, SSD

    Ukraine - Last active: 22 hours ago - Tests: 20 - Portfolio: 16

    YOUR POSITIVE FEEDBACK IS THE HIGHEST AWARD FOR ME ;) Will do my best to assist you in any questions and tasks you may have =) Here is some info about my experience. SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).

    $34.88 /hr
    1,225 hours
    5.00
  2. Robert K.

    Robert K. Agency Contractor

    PHP Developer

    Poland - Last active: 22 hours ago - Tests: 3 - Portfolio: 5

    I`m a programmer with five years of experience in software development. I have created a wide range of websites using PHP, JavaScript and MySQL including one's for start up companies like social portals,content management systems and small businesses especially dealing with INTRANET & EXTRANET. I also have gained considerable experience in the following: PHP, SQL, Ajax, OOP, MemCached, Linux. Most of my projects were created using Agile / Scrum methodology in short iterations (2 weeks). I am always open to furthering my programming skills and learning about new frameworks, API's and other tools In essence, I provide high quality code, perfect feedback and above all value the client's needs and requirements.

    Associated with: Polcode

    $36.00 /hr
    6,020 hours
    5.00
  3. Vladislav M.

    Vladislav M.

    Network / Cisco / Linux Administrator / Cloud Expert / AWS / DevOps

    Russia - Last active: 22 hours ago - Tests: 10

    Self-motivated professional with strong work ethic and productive self-starter – proven with success being a freelancer at oDesk. Team player - Participated in multiple projects, joining large teams, effectively co-working with other professionals Effective leader - Took over leadership and managed team resources to achieve goals meeting deadlines 16+ years as an Systems Administrator 10+ years as Network Engineer 6+ years as Cloud Expert and SaaS Architect 3+ years @ DevOps Freelancer for last 5 years (over 20,000hrs worked @oDesk)

    $60.00 /hr
    31,293 hours
    4.96
  4. Aaron Summers

    Aaron Summers

    Linux Cloud Engineer / 14 Years Real World Experience

    United States - Last active: 22 hours ago - Tests: 7 - Portfolio: 2

    Daily engineering and administration of OpenBSD, FreeBSD, Linux and Windows based operating environments. LAN/WAN: Experience identifying a large number of network and host based security problems. Stabilized the bandwidth billing system for accuracy and provided assistance to the web development team. UNX(tm)/Linux/BSD: Designed and built a custom Enterprises Data Ware House utilizing RedHat Enterprise Linux, IBM Information Server, and the Sun N1 toolkit. Back ported the RedHat clustering tools and GFS modules for RedHat Enterprise Linux 4. Customized the operating environment for running the IBM Information Server 8 family of applications, consisting of IBM DB2 V 9.3, IBM WebSphere 6.0, IBM DataStage and IBM QualityStage. Was the single onsite operations point for the HP-UX, Solaris, FreeBSD, MacOS X, and Linux machines. Wrote custom tools for monitoring and metrics. Fluent in the change management process as it relates to Sarbanes Oxley, internal, and external audits. Extensive documentation of custom applications, primarily our custom data warehouse solution. Designed and implemented the company's external web presence using Solaris 10. Utilized zones, the ZFS file system, and hardware RAID on the T2000 platform. Wrote my own tools in Perl, C, and the Bourne shell. Debugged many complex operational problems. Specialties Started running Linux around 1993, kernel was 0.99 Moved onto SunOS and Open/FreeBSD. Since have worked with HP-UX and SCO extensively. Currently work with RHEL, AMI Linux, CentOS, OpenBSD, EC2, Parallels, and Rackspace.

    $30.00 /hr
    5,512 hours
    4.97
  5. Hakimuddin G.

    Hakimuddin G.

    Penetration Tester | Ethical Hacker | SQL Injection | XSS Tester

    Kuwait - Last active: 22 hours ago - Tests: 9 - Portfolio: 17

    IT Security Consultant providing Consistent, Timely, and Cost-Effective IT Security Services. "h.gheewala@owasp.org" ### 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

    $24.00 /hr
    1,471 hours
    4.99
  6. John Pelster

    John Pelster

    Web Developer (LAMP Full Stack)

    United States - Last active: 4 days ago - Tests: 12 - Portfolio: 3

    With 15 years experience in Information Technology, I can handle many different kinds of tasks from operations issues (such as database performance tuning) to front end development (HTML5/CSS/jQuery, etc). On oDesk, I've been successful in the following areas: * LAMP (Linux/Apache/MySQL/PHP) Web Development * Python Scripting * Cloud Deployment (Amazon, Google, and others) There are many other different kinds of tasks I can handle, and many variations on the technical tools I am comfortable with and have experience with, so if you think your project is a close enough fit, please invite me to apply for your job. I live in Washington State have a degree in Mathematics. When I'm not online coding or working on servers, I enjoy the outdoors, studying chess and yoga, and spending time with my wife and two sons.

    $40.00 /hr
    1,809 hours
    4.96
  7. Bhushan Kumar Sharma

    Bhushan Kumar Sharma

    Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    India - Last active: 22 hours ago - 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

    $16.67 /hr
    3,115 hours
    4.85
  8. Anna Ignatenkova

    Anna Ignatenkova Agency Contractor

    High-quality services and work products

    Russia - Last active: 22 hours ago - Tests: 3 - Portfolio: 4

    I have 10-years experience of software development (mainly C/C++ programming in large IT companies). Working experience and education give me understanding of good code and software architecture design and allows to develop reliable and easy maintained applications and systems. In my freelance career I’m using the best practices and focusing on providing the best possible solutions in a reasonable timeframe. I am interested in participation in a project allowing to apply and improve my skills. I like to learn something new and participate in research.

    Groups: Application Developers Alliance

    Associated with: Prof-Approach

    $25.00 /hr
    2,313 hours
    5.00
  9. Sergey Zinchenko

    Sergey Zinchenko Agency Contractor

    Senior iOS, Android and Delphi developer. Software Engineer.

    Russia - Last active: 22 hours ago - Tests: 8 - Portfolio: 7

    I am from Rostov-on-Don, Russia. I have a diploma in mechanics, mathematics, and Computer-science, as well as 4 years of full life cycle software design, development and maintenance. My experience makes me an expert in Objective-C, iOS SDK, Java, Android SDK, Delphi and best practices. I able to jump into any project to fulfill any unexpected vacancy to drive the project to completion on time and within the budget. Over the past few years I have successfully developed and published many applications for Apple Appstore and Google Play. This illustrate my performance, responsibility, and high level of interest. Separately, I would like to give a list of names of known things that I well know how to use: ✔ Objective-C, ARC, Cocoa Touch, Foundation Kit Framework, UIKit Framework, iAd Framework, MapKit Framework ✔ CoreData Framework, SQLite, SQL ✔ AVFoundation, OpenGL, OpenAL ✔ CFNetwork, HTTP, SOAP, JSON, XML, REST, TCP/IP, UDP, SSL ✔ CoreLocation, Push notifications, Zlib, threading. Now I'm ready to turn your ideas into great mobile apps and to find a long-term partnership. Please contact me if you are interested.

    Groups: Application Developers Alliance

    Associated with: S Media Link

    $25.00 /hr
    2,094 hours
    4.95
  10. Eric Olson

    Eric Olson

    AWS Admin/Architect

    United States - Last active: 09/25/2014 - Tests: 8

    I have over 15 years of experience in technology. Anything from software development to servers, desktops or networks and everything in between. I have served in the United States Air Force and worked at government agencies as well as high tech companies across the globe. If it is configuring routers or switches. Working in the Cloud with Amazon, Rackspace Etc. Linux, Windows or anything in between then I am your man.

    $44.44 /hr
    1,735 hours
    4.89