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, 86 Network Security projects are completed every quarter on Upwork.

86

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 4.75.

4.75
Last updated: August 1, 2015
Clear all filters
  1. Pavels J.

    Pavels J.

    Highly skilled C/C++/Linux server-side developer

    Spain - Last active: 1 month ago - Portfolio: 1

    Highly skilled C / C++ / Python server-side developer, with over 12 years experience. My area of interests is in developing high-available, multi-threaded, high-performance Linux network applications. I'm the lead developer, maintainer and the active participant of several popular OpenSource projects.

    $60.00 /hr
    2,470 hours
    4.77
  2. 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
    3,771 hours
    4.85
  3. Stamatis Kekes

    Stamatis Kekes

    Senior system administrator and PHP - C - Perl developer

    Greece - Last active: 22 hours ago - Tests: 11 - Portfolio: 2

    Very skilled Unix system administrator, with lot of experience in Linux ( Centos, Redhat, Fedora, Ubuntu, Debian, Gentoo, Slackware ), Solaris, xBSD ( FreeBSD, OpenBSD), vpn ( openswan - ipsec, openvpn, l2tp, pptp ), clustering ( LInux Virtual Server, Linux HA, vrrp, Solaris Cluster ), cloud computing, load balancing ( f5, haproxy ), VoIP ( asterisk ), databases ( MySQL, PostgreSQL), LDAP, web services ( Apache, Nginx, varnish ), security ( penetration testing, firewall policy design ), control panels ( CPanel, Plesk, Virtualmin, Ensim ), Virtualization ( VMWare Virtual infrastructure - VSphere, amazon EC2 ). As for Developing I am very experienced in C, PHP, Perl, javascript, ajax and many more to list.

    $16.67 /hr
    1,769 hours
    4.64
  4. Rod Ryan Lopez

    Rod Ryan Lopez

    Systems/Server Administrator / Network Admin / IT Service Desk Analyst

    Philippines - Last active: 22 hours ago - Tests: 1

    CAREER OBJECTIVE: To deliver with the highest efficiency the technical skills and experiences learned combined with personal values and desirable attitudes. Meet the client’s expectation and satisfaction towards company success. SKILLS: NETWORK SECURITY ADMINISTRATION: ** Proficient in Network Security and Network Problem Troubleshooting. ** Experience in configuring of High End Enterprise CISCO Routers, Summit Extreme L3 and Alcatel Switches. ** Strong knowledge in Network Configuration, VOIP and Network Design Infrastructure of LAN and WAN convergence. ** Strong knowledge in IP Addressing / Subnetting IPV4. ** Strong knowledge in Wireless LAN and 802.1x authentication network infrastructure. ** Strong knowledge in Routers with different Routing Protocols. SYSTEMS SUPPORT AND SERVER ADMINISTRATION: ** Experience in Windows Server 2008 & 2003 Active Directory Administration. ** Experience in Microsoft Exchange 2010 / 2003 Administration. ** Server Virtualization Experience ** Experience in Hyper-V, Hypervisor or Virtual Machine ** Experience in Symantec Backup Exec 2012/2010 and Symantec Endpoint Protection Manager. ** Experience in Amazon Route 53 Domain Management. ** Strong knowledge in Windows OS platforms, Wordpress and SonicWall. ** Strong Desktop Support troubleshooting skills (Hardware & Software). ** Knowledgeable in Citrix Administration. ** Software Installation of Anti-virus, Windows and Linux Red Hat platforms. ** Virus Removal and Prevention. IT SERVICE DESK SUPPORT (with ITIL concepts): ** 1st and 2nd line technical support; answering support queries via phone, email, remote and desk-side support. ** Maintained a high degree of customer service for all support queries and adhere to all service management principles. ** Take ownership of user problems and be proactive when dealing with user issues and to log all calls in the service desk ticketing system. ** Monitoring of ticket queue and ensure all request and issues are resolved in an efficient and timely manner. ** Set up, install and test PCs and peripherals for users. ** Served as technical resource to answer questions, identify needs, make recommendations, and carry out research. ** Maintained professional and technical knowledge by reviewing related professional publications. ** Undertake any other reasonable duties as requested by the IT Manager and Service Desk Team Leader. ACHIEVEMENTS: ** Completed and Passed Japanese Elementary 1 Course.

    $5.56 /hr
    8,203 hours
    4.31
  5. Ishan Ariyaratne

    Ishan Ariyaratne

    Network Engineer

    Sri Lanka - Last active: 2 months ago - Tests: 3

    Work Experience: (From April 2010 to Present) Worked at Inbay Pvt. Ltd. [www.inbay.co.uk] 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.

    $11.11 /hr
    1,788 hours
    5.00
  6. Joseph M.

    Joseph M. Agency Contractor

    Professional ITIL consultant looking to help improve your ITSM stack

    United States - Last active: 6 days ago - Tests: 1

    A Managing Business Consultant of 23 years experience with extensive subject matter expertise in IT Services Management (ITSM) and ITIL, methods, processes, strategic technology infrastructure planning, and developing cost effective solutions to meet customer business requirements. ITIL certified V2 Service Manager and V3 Expert. I can perform an analysis of business requirements, drivers and I/T resource consumption across multiple platforms and develop a macro level capacity planning methodology.

    Associated with: Joseph Miller

    $83.33 /hr
    820 hours
    5.00
  7. Sergey Zinchenko

    Sergey Zinchenko Agency Contractor

    Senior iOS, Android and Delphi developer. Software Engineer.

    Russia - Last active: 22 hours ago - Tests: 8 - Portfolio: 12

    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
    2,317 hours
    4.95
  8. 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
    6,577 hours
    5.00
  9. Ranu B. Agency Contractor

    Expert in Quality Analysis

    India - Last active: 3 days ago - Tests: 4 - Portfolio: 10

    I am a senior QA with 6+ years of industry experience and am ready to participate in the development of your website and/or app in giving Quality Assurance to make them bug free and glitch. I have a big experience in automation testing using different solutions, practices and Selenium programming. I've performed the development process streamlining, requirements creation, managing of human resource, test documentation development, etc I am experienced in Functional testing, Integration testing, Automation testing, System testing, Regression testing, User Acceptance, Black box testing, UI testing, browser compatibility testing, Performance testing in different stages of SDLC. My areas of expertise are: - Onsite/offshore team co-ordination, client interaction, testing and defect tracking. - Designing and developing test plan, Test scenarios, Test cases and Defect tracking. - Analysis of software documentation from business, technical and functional Requirement. - SVN and GIT for subversion, Mantis as errors and bug tracking tool. - W3C validation to optimize and increase the visibility of web portals. - Sound knowledge of Software Development Life Cycle (SDLC). - QA Methodology and Validations to ensure the Quality Assurance Control - Strong SQL knowledge for test data verification. - Creating, updating and executing the scripts and tracking the defects, Logging the defects and reporting the defect (bug). I am a good team player with excellent time management skills having profound insight to determine priorities, schedule work and management of testing team. I am an ambitious and confident self-starter with strong communication, trouble-shooting, presentation and planning and execution skills for web application development projects. Feel free to contact me.

    Associated with: AnyLinuxWork Pvt Ltd

    $12.00 /hr
    1,520 hours
    5.00
  10. Irfan A.

    Irfan A.

    Expert QA/Tester Mobile(iOS,Android,WinPhone)/Web/Desktop applications

    Pakistan - Last active: 22 hours ago - Tests: 2 - Portfolio: 8

    I have been working in IT industry for more than 10 years. I started my carrier as a .net developer and then moved to QA. I have managed various QA projects for different platforms (Web, Desktop, Mobile Platforms). I have good communication skills that is why I can find common language with my team and customers. My knowledge and skills cover all areas: from manual testing to project management and automation of the agile team. Reasons to hire me? * Experienced in handling multiple project and multiple teams at the same time with assurance of quality product. *Have experience of working with teams all over the world. *Web security testing expert. * Have Worked on more than 100 projects (Web, Desktop, iOS, Android, Blackberry, WinMobile). * Expert in Mobile application testing(Android + Robotium, iPhone, iPad, Blackberry) * Has Experience of Load testing(Loadrunner, Jmeter). * Expertise in automation testing(QTP, Testcomplite, Selenium). * Experience in web services testing * Expertise in creating testing documents such as test cases, test plan, weekly status report, daily status report, bug reporting. * Good understanding of Software Development life cycles * Possesses good communication and Analytical skills Devices available for testing: *Mac OSX 10.7 *Windows 7, Win 8 *iPhone 4(6.1.3) *iPhone 5(6.1.4) *iPad 2 (6.1.3) *Android DesireHD (2.3.5) *Samsung GalaxyS3 (4.1.2) *Samsung GalaxyS4 (4.2.2)

    $11.11 /hr
    3,992 hours
    4.99