Firewall Freelancers

Showing 318 freelancers

Firewall Freelancers

Showing 318 freelancers

  • Secure Networking Software Developer, Web Developer, CompTIA/GIAC Cert

    An experienced software developer/architect/product development manager with over 15 years of solid experience in developing advanced and secure networking software for routers, switches, firewalls, servers and network appliances. Possesses deep working knowledge in IPv6, routing protocols, operating system … more

    An experienced software developer/architect/product development manager with over 15 years of solid experience in developing advanced and secure networking software for routers, switches, firewalls, servers and network appliances. Possesses deep working knowledge in IPv6, routing protocols, operating system, firewall, client-server application, management protocols and applications. Very proficient in C, C++, Perl, Unix scripting, modular and OOP programming, client-server and has advanced working skills in PHP, Java, SQL and Web technologies. Mainly used FreeBSD and Linux in all projects. Heavily involved in all phases of development, from conceptualization, requirement specification making, designing, implementation, testing and maintenance. I am seeking opportunities to design and develop network appliances from the ground up, migrate networking applications to incorporate secure technologies and run on IPv4 and IPv6 and build intuitive and secure web sites or web-based management interfaces.  less

    c c++ php perl ruby-on-rails javascript unix-system-administration network-administration dns firewalls 00 more less
    • $23.33 HOURLY RATE
    • 4.9
    • 151 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • System Admin,Data entry graphic Design, Project managment,consulting

    provide good service or support by using my abilities, skills and knowledge to companies, individuals who posted jobs in this website and earn reasonable income by doing my job well I'm currently working as a System Administrator( win2k3 and … more

    provide good service or support by using my abilities, skills and knowledge to companies, individuals who posted jobs in this website and earn reasonable income by doing my job well I'm currently working as a System Administrator( win2k3 and win2k8) , , IT Trainer so my primary role mentioned above is not my ultimate Role, I'm enjoying from work and I need work.  less

    network-administration graphic-design graphics-programming project-management blog-writing hardware-troubleshooting customer-support customer-service firewalls 00 more less
    • $13.33 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SRI LANKA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
    GROUPS:
  • Top Notch IT Consultant and Virtual Assistant

    My IT experience includes being a Network Engineer and Network Administrator for 4+ years, handling a range of devices: Cisco Routers and Cisco Switches, Juniper Firewalls, Checkpoint Firewalls, Linux-based Firewalls. I also have network troubleshooting skills for Linux and Windows … more

    My IT experience includes being a Network Engineer and Network Administrator for 4+ years, handling a range of devices: Cisco Routers and Cisco Switches, Juniper Firewalls, Checkpoint Firewalls, Linux-based Firewalls. I also have network troubleshooting skills for Linux and Windows servers as well. I am very knowledgeable in TCP/IP and IT Networking. In the last 7 years, I have been engaged in several virtual assistant tasks in my line of work. This includes administrative tasks such as making the minutes of our meetings and transcribing them, typing documentation reports, doing web research and data-entry, as well as data-mining related info from the Internet and putting it on a website, spreadsheet or a word document file. I have done advertisement postings in the web, e-mail and social media for marketing several of my businesses using catchy phrases and subject lines. I am a fast learner and very willing to be trained for new skills not included above as required for your task at hand. This all has been applied in my Information Technology work, my businesses and my career in sales and customer service.  less

    cisco-routers cisco-asa cisco-ios tcp-ip network-administration firewalls linux-system-administration network-security vpn wireless-network-implementation 00 more less
    • $6.67 HOURLY RATE
    • 5.0
    • 0 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 8 TESTS
  • Senior Systems & Network Engineer

    I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux). I specialize in complex ISP based UNIX installations … more

    I have over 15 years of experience in the IT field, having worked at some of the most demanding environments as a Security expert and a Senior Unix System administrator (FreeBSD/Linux). I specialize in complex ISP based UNIX installations, corporate Mail servers, Web servers, Database servers and large ZFS based storage solutions. I have extensive knowledge in Virtualization technology. I have being involved with various type of Cloud solutions especially with OpenStack and CloudStack. I also perform installations, maintenance and troubleshooting of Network Security devices for corporate based environments. Being very familiar with Cisco ASA, FWSM and Checkpoint SecurePlatform and IPSO. Please visit my blog at http://www.aisecure.net/about for more information.  less

    freebsd security unix-system-administration vpn linux-system-administration centos rhel solaris-administration firewalls mail-server-implementation apache-administration amazon-ec2 virtualization mysql 00 more less
    • $30.00 HOURLY RATE
    • 5.0
    • 349 HOURS
    • GREECE
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 10 TESTS
  • Networks/IT (Dual CCIE) -- Cisco Expert Consultant

    More than 6 years experience in Telecoms/Networks spanning from fixed legacy networks to NGN to IP Carrier networks. Low level network designs, Core & Edge Networks, Access Protocols, Remote Access, MPLS, IP VPNs, Routing/Switching, Testing, Model/Staging Networks, VoIP … more

    More than 6 years experience in Telecoms/Networks spanning from fixed legacy networks to NGN to IP Carrier networks. Low level network designs, Core & Edge Networks, Access Protocols, Remote Access, MPLS, IP VPNs, Routing/Switching, Testing, Model/Staging Networks, VoIP, SIP, QoS, AAA, ASA, Load Balancers, MRTG, Solarwinds. Have worked in capacity of full technical role, as well as presales management role. Vendors Experience Cisco (CCIE, CCDA, AWLDS), 7600, 7200, GSR, Catalyst 6500, 4500, Nexus Juniper Force10 A5 Specialties  Routing&Switching  MPLS  ISP (planning and design)  Network designing  Pre Sales consultancy  Network Design/Architecture  Network Testing  Project Management  Capcity Planning  Change Mangement/Outage  Lifecycle Management  Configuration Management  Network readiness reviews/reports  Network Budgeting  Network Support  less

    cisco-routers cisco-voip cisco-ios computer-networking firewalls junos tcp-ip mpls vba vbscript microsoft-visual-basic microsoft-excel microsoft-excel-powerpivot microsoft-word microsoft-powerpoint juniper-routers 00 more less
    • $44.44 HOURLY RATE
    • 4.9
    • 19 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 8 TESTS
  • Network/ System Administrator

    Customer-focused, Cisco, Juniper, ITIL-F, and Microsoft certified IT professional. Expert in leading and contributing to projects designed to enhance system functionality and end-user productivity. Persistence, personal integrity, ethical, maintains a high degree of confidentiality. Have hands on experience on: Cisco … more

    Customer-focused, Cisco, Juniper, ITIL-F, and Microsoft certified IT professional. Expert in leading and contributing to projects designed to enhance system functionality and end-user productivity. Persistence, personal integrity, ethical, maintains a high degree of confidentiality. Have hands on experience on: Cisco Juniper SonicWall pfSense HP & Dell Switches WatchGuard Websense Blue Coat Citrix Trend Micro Neat Suite GFI Altiris CMS Fluke Network Inspector Certification: CCNA JNCIA ITIL-F MCP  less

    cisco-routers firewalls pfsense tcp-ip network-administration network-security cisco-asa cisco-pix cisco-ios ospf juniper-routers 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 65 HOURS
    • CANADA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • VOIP and Open Source Professional

    Asterisk/Kamailio/Elastix/FreePBX/Trixbox/Vicidial Professional. Worked on numerous projects on open source deployments like asterisk / kamailio (openser) based voip solutions, networking solutions like firewalls, utms, routers ( cisco/juniper) configuration with vlans, mail servers, web servers in the past … more

    Asterisk/Kamailio/Elastix/FreePBX/Trixbox/Vicidial Professional. Worked on numerous projects on open source deployments like asterisk / kamailio (openser) based voip solutions, networking solutions like firewalls, utms, routers ( cisco/juniper) configuration with vlans, mail servers, web servers in the past 7 years. Apart from this worked on joomla components, opencart customisations/ deployments, Emailer softwares like Interspire, Amazon Web Services, etc. Other work areas are Network designing/troubleshooting/security using open source tools like iptables/iproute for bandwidth management/ firewalling, vpn solutions like openvpn, ipsec tunnels, pptp vpn deployments.  less

    linux-system-administration mail-server-implementation openvpn firewalls joomla amazon-web-services email-marketing asterisk freepbx vicidial opensips network-administration cisco-routers 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 17 HOURS
    • INDIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 4 TESTS
  • Network Security Engineer (CCIE-Security)

    4+ years of experience in Networking, Firewalls, VPN & Web Security Network Security and R&S - Installation, administration and Troubleshooting Devices - Cisco Routers, Switches, Firewalls(ASA), Zone Based Firewalls(Router Firewalls) QOS Troubleshooting Dynamic Routing Protocols VPN - Setup and Troubleshooting - Malware … more

    4+ years of experience in Networking, Firewalls, VPN & Web Security Network Security and R&S - Installation, administration and Troubleshooting Devices - Cisco Routers, Switches, Firewalls(ASA), Zone Based Firewalls(Router Firewalls) QOS Troubleshooting Dynamic Routing Protocols VPN - Setup and Troubleshooting - Malware Removal - Restoring hacked websites - Network Maintenance/troubleshooting - Network security hardening - Wordpress Hardening/Migrations/Hosting/Optimizations - Website Monitoring & website security hardening  less

    cisco-routers firewalls network-administration computer-networking network-security network-planning cisco-ios dsl-troubleshooting security ipsec vpn ospf bgp 00 more less
    • $15.00 HOURLY RATE
    • 5.0
    • 41 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 8 TESTS
  • Network / Cisco / Linux Administrator / Cloud Expert / AWS / DevOps

    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 … more

    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)  less

    amazon-ec2 perl python sql mysql unix-shell amazon-web-services postfix linux-system-administration network-administration network-security security cisco-routers cisco-asa firewalls vpn devops 00 more less
    • $55.56 HOURLY RATE
    • 4.9
    • 23232 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
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