Network Security Developers & Programmers

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Network Security Developers & Programmers

Showing 576 freelancers

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

Network Security Job Cost Overview

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

oDesk Network Security Jobs Completed Quarterly

On average, 133 Network Security projects are completed every quarter on oDesk.

133

Time to Complete oDesk Network Security Jobs

Time needed to complete a Network Security project on oDesk.

Average Network Security Freelancer Feedback Score

Network Security oDesk freelancers typically receive a client rating of 4.72.

4.72

Last updated: March 1, 2015

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

    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 … more

    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.  less

    windows-administration vmware-administration vmware-esx microsoft-exchange-server virtualization network-administration lamp-administration cisco-routers cisco-ios microsoft-hyper-v-server iis dhcp dns centos postfix apache-administration php computer-networking mail-server-implementation isa-server mysql software-testing virus-removal firewalls squid ldap linux-system-administration network-security 00 more less
    • $22.22 HOURLY RATE
    • 4.7
    • 2581 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
    GROUPS:
  • Senior IT and INFOSEC manager

    A short overview of my career: --- Over 215 hours in oDesk as an IT manager and administrator for a start-up. --- Over 6 months as an on-site IT, Network and Security consultant for the University of Virginia. --- 4 years of experience … more

    A short overview of my career: --- Over 215 hours in oDesk as an IT manager and administrator for a start-up. --- Over 6 months as an on-site IT, Network and Security consultant for the University of Virginia. --- 4 years of experience as R&D service engineer, travelled world wide to customers to handle complex issues, analyse network, db, OS, hardware and software problems, debug and provide training. --- 10 years of experience as a senior IT and Network Security engineer (attacking, defending, securing) A short overview of some of the services I provide: - On-site work. - Design and build office network. - Vulnerability and Risk assessment for your web, network and computers. - Design and implement VPN. - FW manager. - Install, design and maintenance work for Oracle, MySQL and MSSQL db's - WebEx training. - AWS design and migration. - Unix and Windows support for all versions. - Data Controllers support, setup and maintenance. - DNS issues. - Build a private cloud for your business. - Backup solutions and overview. - Netbackup problem. - CheckPoint support. - Emc support. -CyberCrime investigations. - On-call services. ... and more  less

    network-security firewalls linux-system-administration check-point solaris-administration amazon-web-services hadoop mysql microsoft-sql-server-administration oracle-database 00 more less
    • $83.33 HOURLY RATE
    • 5.0
    • 472 HOURS
    • ISRAEL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
  • Linux Administrator, AWS, Nginx, Ubuntu, CentOS, EC2, Plesk, HAProxy

    8+ years of experience in: ** LAMP/LEMP(Nginx) administration and server hardening (Ubuntu, Debian, Centos,RHEL,HAProxy, Ruby/Thin deployment DevOps, Python/Django deployment DevOps,Nagios, fail2ban..) ** Amazon web services - AWS (EC2, VPC, RDS, S3, Route53, Cloudfront, Elastic Load Balancer … more

    8+ years of experience in: ** LAMP/LEMP(Nginx) administration and server hardening (Ubuntu, Debian, Centos,RHEL,HAProxy, Ruby/Thin deployment DevOps, Python/Django deployment DevOps,Nagios, fail2ban..) ** Amazon web services - AWS (EC2, VPC, RDS, S3, Route53, Cloudfront, Elastic Load Balancer, AutoScaleing, etc..) ** Nginx rewrites ** Google pagespeed ** Linux troubleshooting ** VPS providers: Linode, Rackspace, Amazon(AWS), MediaTemple, HostGator, Cloudflare, MaxCDN, CloudFront, NameCheap, GoDaddy, DigitalOcean, EC2, Bluehost ** Parallels Plesk ** Odoo/OpenERP installation ** VPS administration ** AWS EC2 administration ** VMware vSphere ** NewRelic ** fail2ban ** HAProxy ** keepalived, vrrp ** Nagios monitoring ** Elastic Load Balancer ** LINUX deployment and migration ** Rackspace Cloud Services ** Ruby on Rails app deployment ** Python - Djengo app deployment ** CPANEL, PLESK, WEBMIN, SHELL/SSH administration ** proftpd, pure-ftpd, pure ftp ** DNS, BIND, PowerDNS ** SSL certificates ** Site migration ** Network troubleshooting ** CSF firewall ** VPN ** Cisco, Mikrotik, Juniper Networks, Extreme Networks.. ** Linux PENTAHO deployment ** Squid, AiCache, AiScaler ** CVE-2014-0160 - OpenSSL Heartbleed patching. EXPERIENCE: Knowledge in Linux networking and service management, such as APACHE server, Nginx, LAMP, LEMP, LNMP, MYSQL, POSTGRESQL, tcpdump, haproxy, WIRESHARK, tshark, URL rewrite. Eight years of first hand experience in network and linux administration, support and Core Network design in Telecom environment. Excellent knowledge of various tasks such as: routing, BGP, VPN, Layer 3 networking(Routing), Layer 2 networking (LAN switching), VLAN, OSPF, RIP, network and packet troubleshooting. Working experience with various network equipment such as: Cisco, Juniper Networks, Extreme Networks, HP networking, MikroTik RouterOS, Ericsson OSS, Redback Networks and so on.. Experience with various providers such as: -AMAZON WEB SERVICES (AWS, EC2..) -RACKSPACE -HOSTGATOR -GoDaddy -MediaTemple -Cloudflare -NameCheap -LINODE -QuickWeb -HAProxy -etc.. -WHMCS RESELLER setup and migration on project or permanent basis. Including DNS, EMAIL, WORDPRESS migration -CPANEL, PLESK, WEBMIN, H-sphere, SHELL administration -SSL certificates Also available for packet and network congestion inspection. Having problems with BGP load balancing in multihome environment, need help or advice, contact me! :) Dedicated SERVICE MONITORING on own server with escalation on your own mail address  less

    amazon-ec2 lamp-administration linux-system-administration network-administration rackspace-cloudservers plesk cpanel nagios tcp-ip cisco-routers wordpress amazon-web-services computer-networking bgp juniper-routers dsl-troubleshooting network-security vpn openvpn dns bash mikrotik-routerboard mikrotik-routeros 00 more less
    • $45.00 HOURLY RATE
    • 4.9
    • 2703 HOURS
    • CROATIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
  • system administrator, python developer, IT-security specialist

    Dear potential client! I am a highly qualified professional with extensive experience. The area of my interests - Unix / Linux systems, security, and automation. I have many projects in the field of security, automation, installation and configuration of various web services … more

    Dear potential client! I am a highly qualified professional with extensive experience. The area of my interests - Unix / Linux systems, security, and automation. I have many projects in the field of security, automation, installation and configuration of various web services. I know several programming languages, but my favorite language now is Python. Self-motivated and responsible, I trying always to achieve goals that have been set.  less

    arduino unix-shell unix-system-administration network-security puppet-administration autoit web-scraping microsoft-excel python zabbix 00 more less
    • $18.89 HOURLY RATE
    • 4.9
    • 35 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 16 TESTS
  • Malware Removal, Virus Removal, Ethical Hacker, Security Expert

    I am a Penetration tester have 14 years of experience in Information Security industry. Ethical Hacking, Malware Removal and analysis, Penetration Testing and Vulnerability Assessment is my expertise. Removal of Viagra, Cialis, and medicine malware, Pharma hack, SEO hack fix all hacked website.

    penetration-testing vulnerability-assessment network-security wordpress android-app-development 00 more less
    • $35.56 HOURLY RATE
    • 5.0
    • 102 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 5 TESTS
  • Linux Servers AWS Cloud Hosting Security CPanel Plesk VOIP PenTest

    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 … more

    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  less

    plesk whm cpanel lamp-administration vicidial trixbox asterisk vpn security penetration-testing mail-server-implementation apache-administration mysql postfix openvpn linux-system-administration redmine firewalls exim spamassassin awk unix-shell dns ssh ssl ubuntu technical-support technical-writing technical-documentation virtualization vmware-administration bacula mediawiki network-security nagios unix-system-administration snmp operating-systems-development magento windows-administration squid haproxy dhcp moodle samba ldap clustering apache-tomcat amazon-ec2 amazon-web-services subversion iptables svn git redhat-administration bash-shell-scripting xen-hypervisor 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 2922 HOURS
    • INDIA
    • LAST ACTIVE
    • 14 PORTFOLIO ITEMS
    • 4 TESTS
  • Website/Server Security Expert - Wordpress - Joomla - ASP/PHP

    I am a professional website security expert and web developer. I have over 19+ years of experience in IT and over 10+ years of experience in the specialty of IT Security. I am a member of OWASP (http://www.owasp … more

    I am a professional website security expert and web developer. I have over 19+ years of experience in IT and over 10+ years of experience in the specialty of IT Security. I am a member of OWASP (http://www.owasp.org) Website/Server Security Services: Website/Server Malware/Virus/ backdoor Removal Hacked Website Restoration/Repair Penetration Testing Vulnerability Assessment Web Server/Site hardening For multiple platforms (such as): Azure, Windows/IIS LAMP VPS/Cloud For ANY of the following: Wordpress, Joomla, Drupal osCommerce, PrestaShop, Magento mediaWiki vBulletin, myBB, phpBB and many more. I can also work with custom built systems (PHP, Classic ASP,JavaScript, ASP.NET, plain HTML, CakePHP, etc.) and have extensive experience with MySQL, SQL Server, Access & Oracle databases. Also experienced using WHMCS, cPanel, SSH, Putty. Some of the tools I utilize for Penetration Testing and Vulnerability assessments include Kali, Burpe Suite, WPScan, JoomScan, OWASP Zed, NetSparker, Nessus, Metasploit, w3af. In addition to these tools, I also do manual testing for things such as Sql injection, Cross Site Scripting vulnerabilities, remote file uploads, etc. ( See the following link: https://www.owasp.org/index.php/Top_10_2013-Top_10) I am also a regular volunteer contributor on badwarebusters.org, a forum geared towards webmasters that have discovered malware on their website and need some assistance. https://www.badwarebusters.org/dashboard/cchamberland I also take on small development/maintenance jobs and work when I have additional time (my main focus is security). I can do: Wordpress customization/Custom Plugins Website hosting migrations Joomla upgrades/migrations Custom Classic ASP/ASP.NET MVC Custom PHP development LAMP Administration VPS/Azure configuration/set-ups & administration I also have extensive experience in optimizing high traffic wordpress sites, utilizing tools such as varnish,memcache, cloudflare, maxcdn, load balancing and troubleshooting performance issues with xDebug. I have worked with all major hosting providers and their setups, such as goDaddy, siteground, bluehost, dreamhost, rackspace, network solutions, azure, etc.  less

    virus-removal security php wordpress penetration-testing network-security lamp-administration project-management mysql oscommerce drupal paypal-api asp javascript microsoft-visual-basic html 00 more less
    • $45.00 HOURLY RATE
    • 5.0
    • 624 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 9 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Senior System Administrator, Security officer, Migration engineer, SSD

    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 … more

    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).  less

    wordpress plesk cpanel joomla nginx php centos nagios mysql network-administration security atlassian-confluence virtuoso openvz vmware-administration fedora ubuntu bash seo sem ftp exim qmail postfix ssl linux-system-administration lamp-administration database-administration windows-administration project-management virtual-assistant tcp-ip internet-marketing network-security google-analytics redhat-administration css unix-system-administration unix-shell virus-removal apache-administration phpmyadmin red5 00 more less
    • $34.88 HOURLY RATE
    • 5.0
    • 1177 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 20 TESTS
  • FOSS Consultant

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I can offer … more

    Hello, My name is Renich Bon Ciric (yeah, I know it's up there...). I'm a FOSS professional and expert GNU & Linux Systems Administrator and Integrator; specialized in RedHat/Fedora. I live in Guadalajara, Jalisco, México. I can offer my skills remotely. I am willing to work by project, part time or full time. My favorite time of day are evenings. I am a night owl and am happy to work on odd shifts. # Experience - CloudSigma: Recently. I was in charge of integrating their current software stack for the cloud. Basically KVM/Qemu hosts. - (xpert) creations: I was in charge of their LAMP servers; all successfully migrated from several ISPs into KVM/Qemu virtualized servers. - Tools Net: I was in charge of their infrastructure. Migrated from a very old VMWare installation into a KVM/Qemu setup. - Mexican Foodbank Association (AMBA): Was in charge of the infrastructure; including mail, dns and LAMP. - Fedora: I am, currently, a Fedora packager. - LinuxCabal: I started the PHP and Python groups. In charge of new projects for this non-for-profit organization. I'll synthesize a skillset for you and am happy to answer any queries or question regarding these subjects: # Basis - Systemd and SysV - Puppet - Bacula (automated backup system) # Networking and Security - DHCP and DNS (ISC of course) - iptables, firewalld, tcp wrappers, SELinux, etc # Virtualization - KVM/Qemu/Libvirt - OpenStack - GlusterFS, XtreemFS and Ceph # Web - NginX, Apache and Cherokee - MySQL/MariaDB and a little Postgress # Programming and scripting - Bash/Dash, Perl, PHP, Ruby and Python - C and C++ # Misc - Fedora Packaging (RPM) and repo generation I am happy to learn whatever is needed with a few exceptions: - Java - Oracle # CV http://cv.woralelandia.com/ # References https://www.google.com/#q=renich  less

    linux-system-administration dhcp iptables kvm-virtualization fedora centos nginx apache-administration php ruby python bash bash-shell-scripting mysql virtualization firewalls security network-administration network-security computer-networking lamp-administration redhat-administration music-arrangement music-composition music-producer ableton-live propellerhead-reason avid-pro-tools sinatra-framwork bacula data-backup google-apps 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 48 HOURS
    • MEXICO
    • LAST ACTIVE
    • 5 PORTFOLIO ITEMS
    • 3 TESTS
  • RHEL / CentOS System Admin, AWS, WHM/Cpanel

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx … more

    Handling unmanaged VPS, Dedicated Server with core console (Terminal). -Giving sites maximum Uptime. -Implementing new policy and maintain backup and backend server. -Prevent from websites hack (SQL Injection, FTP bypass, Brute force on SSH Tunnel ) -Maintain All site on Nginx and Kloxo with limited sync time. -Manage shop cart Zencard and Magento site on servers and make server compatible . Penetration Testing: -Client side attacks - Server side attacks - Web applications vulnerability scans - Custom exploiting techniques - Social engineering  less

    linux-system-administration penetration-testing mail-server-implementation mysql dns squid security network-security apache-administration node.js subversion nginx centos iptables ssh ubuntu 00 more less
    • $17.86 HOURLY RATE
    • 5.0
    • 385 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
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