Network Security Developers & Programmers

Showing 2,597 freelancers

Network Security Developers & Programmers

Showing 2,597 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

  • GNU/Linux system administrator

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal … more

    Hello, my name is Arseniy Chernyakov. I have four years of experience in the field of professional system administration (small & medium office networks, 2000+ hosts university network), network planning, server, website and database administration. As a professional, my #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I have 6 research publications on the subject of backup mechanics and algorithms, network security, highload systems and cryptographic protocols. Please take a look at my work history for comments from other clients, as well as oDesk test results. Thank you in advance for your time and consideration. I look forward to working with you soon. Listed below are my experience and skills: * OS: Windows Sever 2003, 2003 R2, 2008, 2008 R2, 2012; Windows XP, Vista, 7, 8; Debian 5-7; CentOS 5, 6, 7; Ubuntu (desktop 10.04-14.04, server 12.04-14.04); Arch, Slackware, Gentoo; Mac Os X * Coding: C/++, bash, powershell, HTML/CSS/PHP, SQL * Stacks: LAMP, WAMP, Denver * Web servers: Apache, Nginx * Databases: MySQL, PostgeSQL, Micosoft SQL (MSSQL) Server, Oracle database 12c+ * Backup services: Bacula, BackupPC, Amanda, Windows Backup (wbadmin), self-written scripts * VCS: Git, SVN * Domain administration: Active Directoy, Samba * Mailservers: Postfix, Dovecot * Mail tech: spamassassin, SPF, DKIM, un-blacklisting * Netwok secuity: fail2ban, snort, Sqiud, ClamAV  less

    unix-system-administration firewalls tcp-ip network-administration linux-system-administration network-security mail-server-implementation apache-administration lamp-administration microsoft-active-directory 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 34 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Senior Network Engineer

    I am a network administrator owning CCNA, CCNP an CCIE R&S Written certifications. I have experience in both Service Provider and Corporate environments.These are the Cisco platforms that I worked on : Nexus 7000,Cat 6500, Cat 4500, Cat … more

    I am a network administrator owning CCNA, CCNP an CCIE R&S Written certifications. I have experience in both Service Provider and Corporate environments.These are the Cisco platforms that I worked on : Nexus 7000,Cat 6500, Cat 4500, Cat 3750, Cat 3560, Cat 2960, 2600 and 2800 Routers, 2900 and 3900 ISR, ASA 5500. My professional goal is to obtain the full CCIE certification in less than 8 months. Regarding the infrastructures that I manage,my goal is to keep the network up and fully redundant. Also the network must be full secured from both inside and outside threats.  less

    bgp cisco-routers cisco-asa cisco-ios ospf itil cisco-voip network-administration network-planning network-security 00 more less
    • $27.78 HOURLY RATE
    • 4.6
    • 0 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Network Engineer : Cisco : Juniper : Fortinet :

    Despite the fact I am in young age I have years of experience with computers, networking and system. I am very tenacious and autodiact technical person for Cisco and Juniper Enterprise Network. I love to dig deep into specific technical … more

    Despite the fact I am in young age I have years of experience with computers, networking and system. I am very tenacious and autodiact technical person for Cisco and Juniper Enterprise Network. I love to dig deep into specific technical challenges. 5+ years experience in Enterprise Netwrok. # Some Highlights # @ Defining architecture and design for Enterprise customers. @ Lead engineer on some of the big enterprise networking projects. @ Training Internal Employee and customer. @ Cisco Instructor for Nepal Telecom Training Center. Main focus on Cisco and Juniper internetworks at Campus and Enterprise customers http://np.linkedin.com/in/sudandhakal  less

    cisco-ios juniper-routers cisco-routers ipsec vpn ospf bgp linux-system-administration network-planning network-security jncia-junos junos firewalls cisco-asa mpls mac-os-app-development 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 15 HOURS
    • NEPAL
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 6 TESTS
  • Senior IT Specialist

    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(about 10 years) in Linux-like operation systems. Also I'm a leader of cyber … more

    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(about 10 years) in Linux-like operation systems. Also I'm a leader of cyber security team, which took part in many CTF competitions. I like my job and people and I can help you for a decent pay. Keywords: 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  less

    unix-system-administration unix-shell mysql postgresql ruby nginx linux-system-administration network-security penetration-testing apache-administration 00 more less
    • $25.00 HOURLY RATE
    • 5.0
    • 4 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • 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
  • MCSE Communication, MCSA Office 365, MCITP Virtualization

    System Engineer in Microsoft Technologies from Russia. My Skills: Server OS: Windows Server 2003, 2008, 2008R2, 2012 Desktop OS: Windows XP, Vista, 7, 8 Roles: AD, DNS, GPO, DHCP, IIS, WDS, WSUS Products: Virtualisation: Hyper-V, VMWare, failover cluster, MSSQL Cluster … more

    System Engineer in Microsoft Technologies from Russia. My Skills: Server OS: Windows Server 2003, 2008, 2008R2, 2012 Desktop OS: Windows XP, Vista, 7, 8 Roles: AD, DNS, GPO, DHCP, IIS, WDS, WSUS Products: Virtualisation: Hyper-V, VMWare, failover cluster, MSSQL Cluster, VDI, FC, ISCSI, RD Farm, SCVMM 2008R2-2012 Exchange 2007, 2010, 2013 Lync front end server, Lync edge server, Lync mobility ISA 2004-2006, TMG 2010, TMG Enterprise Arrays Hardware: HP Storage Systems (MSA P2000, EVA P6000), HP Blade Systems HP Proliant Servers, HP Switches and SUN Switches.  less

    windows-administration windows-xp-administration network-administration virtualization microsoft-hyper-v microsoft-hyper-v-server clustering vmware-administration vmware-esx network-security isa-server microsoft-exchange-server data-backup microsoft-scvmm microsoft-sccm microsoft-lync-server microsoft-small-business-server-administration vpn iis dhcp dns microsoft-virtual-server ad-servers 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 541 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 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
  • 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
  • Seasoned UNIX/Linux Server Manager with MBA and BS in IT Security

    I am a well experienced and educated IT Professional interested in providing IT consulting services to businesses from small to enterprise. My BS degree is in Information Security and Forensics. While earning my MBA, I became particularly interested in business … more

    I am a well experienced and educated IT Professional interested in providing IT consulting services to businesses from small to enterprise. My BS degree is in Information Security and Forensics. While earning my MBA, I became particularly interested in business process improvement which led me to connect with and become familiar with a certified OpenSpan developer and reseller. My published pay rate is a reference average only. I will adjust my rate based on the type of service performed between $35/hr and $145/hr.  less

    process-improvement network-security penetration-testing vulnerability-assessment linux-system-administration wireless-network-implementation wireless-security 00 more less
    • $85.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
  • network and system engineer

    I am an energetic, well-spoken and capable Network & System Administrator with expertise in Linux Server Administration and Network equipments. I enjoy working on all things IT related, and I have extensive experience of resolving Linux server problem and also network … more

    I am an energetic, well-spoken and capable Network & System Administrator with expertise in Linux Server Administration and Network equipments. I enjoy working on all things IT related, and I have extensive experience of resolving Linux server problem and also network related problems. My key strengths include, but are not limited to: - WebServers: Nginx, Apache, Tomcat; - Databases: MySQL, MariaDB, CouchDB; - Mail Servers : Postfix, Dovecot, Qmail, DBMAIL; - FTP: Vsftpd, ProFTPD, Pure-FTPD; - VPN: OpenVPN, PPTP; - Firewall: csf, afp, custom iptables firewall; - Backup Solutions; - Proxy Servers; - Bash Shell Scripting; - Web Security (PHP Security php_suhosin, Apache Security mod_Security, OS Security (malware detection), Antivirus (clamav)); - - Traffic Control Scripts based on TC; - Monitor Technologies; - TCP/IP, VLANS, Routing Protocols - (RIP, EIGRP, OSPF) I have CCNA Certification and during time I had participate to online courses to improve my experience in Linux, Security, Firewalls. I will bring to your company or project fresh ideas, new perspectives, a diversity of experiences, and a dedication to service.  less

    network-security computer-networking plesk cpanel centos ubuntu linux-system-administration cisco-routers linux-slackware apache-administration postfix mysql lamp-administration performance-tuning 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 2355 HOURS
    • ROMANIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
    ASSOCIATED WITH:
loading