Network Security Developers & Programmers

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

106

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 4.73.

4.73
Last updated: July 1, 2015
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  1. Daniel Guillermo Bareiro

    GNU/Linux and Unix system administrator

    Argentina - Last active: 1 day ago - Tests: 2 - Portfolio: 2

    I manage and use free/open source software and GNU/Linux (most experienced Debian) since 2000. I have also participated in numerous conventions related to these themes (some of them as speaker) and collaborating with the discovery of bugs in applications for contribute with the community. Specialties: Networks and operating systems security, monitoring technologies. Advanced knowledge of GNU/Linux environments and virtualization platforms. LANs, WANs, VPNs, Firewalls, TCP/IP. Description of services: ---------------------------------- Servers: ====== Installations, configurations and maintenance plans for servers running GNU/Linux or free BSD operating systems range. * Planning, installation and configuration of GNU/Linux systems as both free and open source systems. * Installation, configuration and maintenance of servers of BSD range: FreeBSD and OpenBSD. * Print servers. * Mail servers with spam and virus filters. * Proxy servers. * Fax servers. * Corporate instant messaging servers. * Install and configure DNS servers. Procedures for domain management. * Management servers for uninterruptible power supplies. * Web servers (Apache, PHP, MySQL and PostgreSQL). * Database servers (MySQL and PostgreSQL). * DHCP servers. Networks and Infrastructure: ===================== Installation, maintenance and failure analysis of networks. High-availability systems, mass storage, remote backup, and monitoring equipment and services. * Installation and maintenance. * Firewalls. * VPNs. * DMZs. * RAID, SAN and NAS systems. * Implementation of VoIP telephony systems. * Virtualization systems (for production systems, development and testing). * Remote backup systems. * Monitoring systems. * Control, preventive analysis and resolution of faults in networks. * Installing and configuring high availability clusters. Consultancy: ========== My main goal is to provide a work environment based on trust, integrity and transparency, in order to become your strategic partner to help you realize your projects. My experience in the field of free/open source technologies allows me to offer a wide range of consulting services for your business, which include audit and analysis of systems, applications and networks, migration to free and open source systems, and systems integration, among others. * Migrating to free and open source systems. * Network analysis. * Security analysis. * Configuring applications. * Systems integration.

    $36.67 /hr
    24 hours
    4.89
  2. Roman Dolgov

    Roman Dolgov

    Senior IT Specialist

    Russia - Last active: 8 days ago - Tests: 5 - Portfolio: 2

    Hi, my name is Roman, I'm a Senior IT Specialist in a huge russian company Mail.ru Games, and I have a lot of experience(>10 years) with Linux-like operation systems. At this moment I work on AAA class MMORPG game "Skyforge", in our project we use PostgreSQL, mongo, mysql, nginx, apache, ansible, a lot of automation scripts on ruby(web system on rails), python(backup scripts, etc), bash as quick shell solution. I like zabbix and know how to work with it(btw, I worked with Nagios before and wrote my own plugins to it), of course I could do such simple things like DNS, DHCP, DRBD, firewall, proxy, FTP, VPN, I had a lot of work with it, and if you need my experience, don't hesitate to write me! Also I'm a leader of cyber security team, which took part in many CTF competitions. I like my job and I can help you for a decent pay. Keywords which may help you to find my profile: Linux, Unix, FreeBSD, databases, postgres, postgresql, mysql, percona, dbms, web server, apache, nginx, shell scripts, bash, zsh, mail servers, filesystems, ext2, ext3, ext4, python, ruby, ror, rails, ruby on rails, information security, dns, bind. bind9, named, dhcp, isc-dhcp-server, nfs, cifs, samba, smb, ssh, ftp, vsftpd, proftpd, zabbix, nagios, monitoring, hacking, security, firewall, iptables, netfilter, ipfw, network, backup

    $35.00 /hr
    6 hours
    5.00
  3. Thiago Godoy

    Thiago Godoy

    english-spanish-portuguese translator

    Brazil - Last active: 1 month ago - Tests: 3 - Portfolio: 1

    I am a computer specialist and translator, native Brazilian. I speak and write languages fluently English, Portuguese and Spanish. I have done many translations jobs from English to Portuguese, Spanish to Portuguese and vice versa. The topics have ranged between, I.T issues, handling materials, gaming and lots more.I've worked on numerous online projects building websites, blogs, etc.I am extremely hard working and accurate, and I always deliver my work on time

    $18.89 /hr
    0 hours
    5.00
  4. Bazzi Ouissam

    Bazzi Ouissam

    network engineer

    France - Last active: 1 month ago - Tests: 9 - Portfolio: 1

    Bachelors of Networking Technologies,Over the last 5 years I have actively engaged in designing and implementing VOIP telephony related infrastructure which involved in installation, provisioning and commissioning of highly complex VOIP solutions using Asterisk, Elastix, Trixbox and Amazon AWS cloud telephony, Azure, HP Cloud, Rackspace and Digital Ocean Asterisk telephony installation. Provides call centre solutions using Asterisk, A2billing and Asternic. G729/G723 codec. I'm holding an industrial CCNA security, CCNA and CCNP certificates. I'm seeking opportunities to audit, build, configure or maintain a network for you or your business. I have experience in the following areas: Routing and Switching, Network Security, VoIP, VPN, Firewalls,IPS,IDS.

    $22.22 /hr
    0 hours
    5.00
  5. Abdul haseeb B.

    Abdul haseeb B.

    Principle Software Engineer

    Australia - Last active: 1 month ago - Tests: 5 - Portfolio: 5

    • more than 9+ years of experience in product/project development • 5+ years in Software Team Management • 1+ Experience as SCRUM Master • Experience in Enterprise Application development ,Quality Management • Expert in PKI DIGITAL SIGNATURE/CERTIFICATES base technology • Expert in desktop base applications, Client-Server Architecture base enterprise applications • Hands on experience in biometrics based software(access control systems) • Familiar with the dynamics of onshore-offshore software development model • Specialized in software design based on Object Oriented Design approach • Excellent object oriented analysis, design and software development skills using C++,VC++ and C# • Hands on experience in TCP/IP,UDP based communication • Hands on experience in SQL Server and Oracle 8i,9i and 10G for Database design • Specialized in N-Tier Application Architecture and Database Design by applying design patterns and Enterprise Application development tools and techniques

    $20.00 /hr
    0 hours
    4.60
  6. James Kane

    James Kane

    Cisco CCNP, CCSP, Checkpoint and Citrix Netscaler

    United States - Last active: 1 month ago - Tests: 2

    As an experienced network security professional, I have a proven track record with both large and small companies. I am especially adept in understanding high availability network requirements as well as the security risks and delivering quality of service associated within such environments. Here are a few highlights: Working at a top 25 US financial institution deploying and managing the internet infrastructure, including routers, switches, firewalls, load balancers and web application firewalls. Working at a large healthcare providers network securing over 500 servers being used by 25,000 employees across 100+ hospitals. Six years managing a mid size network at the utility company, understanding video, voice and data requirements as well as the security profiles of dispersed SCADA equipment while ensuring the systems can deliver water reliably to 600,000+ customers. I have recently passed the CCIE Security written exam and I am very interested in any network or security opportunities.

    $50.00 /hr
    2 hours
    5.00
  7. Oleg Albegov

    Oleg Albegov

    Network Consultant

    Russia - Last active: 16 hours ago - Tests: 2

    I have a huge experience in building and supporting IP/MPLS networks, especially within Tier 1/2 ISPs. Huge experience in: - Different MPLS VPN models, such as L3VPN, L2VPN, inter-as vpn a/b/c etc. - Subscriber services on BRAS/BNG - Wireless hotspots On the other side I had an interesting experience of running an online video service infrastructure including Distributed FS, Frontend/Backend WEB services, load balancers, virtualisation (kvm/vmware). Also I've done smalI web projects projects on python.

    $45.00 /hr
    6 hours
    5.00
  8. Adeel Ali

    Adeel Ali

    Linux,System admin,Microsoft,Cisco,network Engineer

    Pakistan - Last active: 16 hours ago - Tests: 6 - Portfolio: 7

    I have more than 10 years working experience in the field of Information Technology supply the stark (predefined and patronage delimited) open seed result for each and every write of playacting with customization according to their work/business. Let me describe skills. my key work points are as under =Linux Server Security, Vulnerability Scanning and Penetration Testing =Administrate VPS and dedicated Server =Administrate LAMP (Linux, Apache, Mysql, PHP) Server =Apache: Audit, performance and load balancing =Automated MySQL database backup =PHP MyAdmin MySQL database manager =Setting up MySQL replication Master-Slave,Master-Master =Install and configure Mysql Cluster for Ubuntu,Redhat,Centos =Mail Services like Postfix,worked on Panels like Plesk, webmin, Cpanel Directadmin etc =Install and configure virtualmin Migrate website,migrate databases =AWS, Rackspace, CloudStack =Microsoft Server,TMG,ESX,Hyper-V,Pfsense,Databackup Citrix Metaframe,Device anywhere, McAfee / Symantec Cisco routers all series like 800,1800,2800,3800 with Cisco switches ,Cisco PIX 501 / 506 / 515 / 525 and ASA 5505 / 5510 / 5520 / 5540 firewalls,Cisco Wireless Aironet Aps 1600/2600 and Cisco ACS Server. Working with Routing protocols VLANs / STP / RSTP / Etherchannel / MST VPNs – GRE / IPSec / DMVPN / SSL / MPLS

    $10.00 /hr
    0 hours
    5.00
  9. Ammar Brohi

    Ammar Brohi

    Web Developer & Penetration Tester

    Pakistan - Last active: 1 day ago - Tests: 1 - Portfolio: 8

    Why hire me? Simple. I do more than just make your work look good. I help to craft and explore your information into a polished message, refining complex ideas down to an easy-to-follow format that your audience can understand and respond to. I then combine that message with clean and compelling visuals which further help to convey your message. My objective is simple. Build opportunities to put my extensive experience and powerful skill-set to work for your company. I have a passion for good design, in any medium, as a means to enhanced communication. This passion, coupled with dedicated professionalism, means that I consistently deliver projects which meet my clients' needs and exceed their expectations. Some highlights include: • Over 4 years of traditional Graphic Design experience. • Over 2 years of Multimedia experience - designing, programming, and producing Flash, Video, and DVD presentations, applications, and animations which have garnered multiple awards over the years • Over 4 years of Web Design and Development experience - with a preference for hand-coded HTML and CSS • Over 2 years of Web Application Security experience. OWASP Member • Certified Vulnerability Assessor, Certified Penetration Testing Engineer. Specialties Include: Web Application Security, Front End and Back End Web Developing, Video Production, Logo Designing, Desktop Applications, Mobile Apps.

    $20.00 /hr
    0 hours
    5.00
  10. Sukhmeet Singh

    Sukhmeet Singh

    Web Designer | Graphic Designer | Ethical Hacker

    India - Last active: 7 days ago - Tests: 7 - Portfolio: 6

    5 years of experience in web development Mentioned in Security researcher/Hall of fame lists on: ● ebay.com ( http://ebay.com/securitycenter/ResearchersAcknowledgement.html ) ● yahoo.com ( https://hackerone.com/yahoo/thanks ) ● myntra.com ( http://myntra.com/security/whitehat ) ● auth0.com ( https://auth0.com/whitehat ) ● I create and customize/edit WordPress plugins and themes using WordPress API. ● I deal with HTML, CSS, JavaScript, jQuery, PHP, Wordpress . ● I convert/slice PSD into HTML/CSS with JavaScript, jQuery, sliders etc. ● I can remove malwares and security vulnerabilities from Wordpress website very quickly along with Google infected site warning removal. ● I design Logos, Business Cards, Ad banners, Website headers at very low cost. ● Security audit for web apps and websites.

    $12.00 /hr
    4 hours
    5.00