Internet Security Freelancers

Showing 296 freelancers

Internet Security Freelancers

Showing 296 freelancers

  • Information Security Manager

    Career security management professional whose qualifications include a degree in Computer Engineering; ISO27001 Probationary Auditor, Certified Ethical Hacker, MCSE, and MCSA:Messaging designations; and detailed knowledge of security standards, technologies and best practices. Seven years of protecting information with diverse … more

    Career security management professional whose qualifications include a degree in Computer Engineering; ISO27001 Probationary Auditor, Certified Ethical Hacker, MCSE, and MCSA:Messaging designations; and detailed knowledge of security standards, technologies and best practices. Seven years of protecting information with diverse experience and overall understanding in business governance, security operations and management, network infrastructure, systems engineering, and research and development.  less

    security 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 58 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Network Engineer

    Fast learner, fast worker, quality contractor. Can administer the network, build scalable network infrastructure, implement various network services. I have experience in network design and security tuning, always available to discuss new opportunities. Excellence in troubleshooting networking problems Experience with … more

    Fast learner, fast worker, quality contractor. Can administer the network, build scalable network infrastructure, implement various network services. I have experience in network design and security tuning, always available to discuss new opportunities. Excellence in troubleshooting networking problems Experience with: Cisco 800 Series ISR, Cisco 1800/1900, Cisco 2800/2900 Series ISR, 3900 Series ISR Cisco Catalyst 2960, 3550, 3560, 3750, 4500, SMB-300 Cisco ASA and Cisco PIX firewalls FortiWeb web firewall Juniper Devices: SRX 240H-Poe, SRX 1400 and SRX 3400 firewalls, Juniper EX 2200, 4200 and 4500 switches Security Technology VPNs (Site-to-Site, IPSec, Remote Access, SSL, WebVPN, GET VPN, DMVPN, ezVPN), Cryptography, AAA, Radius, TACACS+, ACL, NBAR, IOS Firewall, IOS Security, 802.1x, CBAC, Cisco Secure ACS, Cisco VPN Client, Cisco MARS. Routing Static Routing, IGRP, EIGRP, OSPF, PBR, Route Filtering, Redistribution, Summarization Features & Services IOS Features, HSRP, IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, DNS, HTTP Voice over IP Cisco Unified Communications Manager(CUCM), Call Manager Express (CME),  less

    cisco-routers cisco-ios vpn security 00 more less
    • $55.56 HOURLY RATE
    • 5.0
    • 81 HOURS
    • GEORGIA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • QA, Quality Assurance, Software Testing, Product testing, BETA, UAT, M

    We are specialist Independent QA/Testing consultancy company propelled by a team of bright, efficient & committed individuals, having acquired their professional acumen from the India's premier technological institutes and based out in National Capital Region of India. We have … more

    We are specialist Independent QA/Testing consultancy company propelled by a team of bright, efficient & committed individuals, having acquired their professional acumen from the India's premier technological institutes and based out in National Capital Region of India. We have built strong practices and cover industry verticals like financial services, telecom, healthcare, SCM, Mobile, network security, travel, E-commerce, manufacturing and retail. Our testing team with diverse experience brings an enviable breadth and depth of knowledge to every project. Requirements are rapidly understood and required testing is engineered with precision, often with the added benefit of reducing your time to production/market. Getting things right first time enables us to offer a warranty with every project. Our company is equipped with the caliber & capability to develop a variety of software products to suit the clients' requirements and capable of offering the complete testing solutions (that include test strategy, test design, test cases development, test execution, QA coordination, support for UAT, alpha and BETA). We are pool of people having experience from 2-11 years. And testing center is functioning in Noida, India. And easily accessible 24x7.  less

    software-qa-testing software-testing database-modeling database-testing security 00 more less
    • $8.89 HOURLY RATE
    • 4.3
    • 1686 HOURS
    • INDIA
    • LAST ACTIVE
    • 8 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
  • Expert FreeBSD/Linux Administrator

    • 13 years of system administrator experience in multiplatform Unix and Linux environments, with hands-on expertise in networking, scripting, and systems integration. • Excellent technical skills, with strong knowledge of current and emerging technologies. • Strong communication abilities, with history of providing on-site … more

    • 13 years of system administrator experience in multiplatform Unix and Linux environments, with hands-on expertise in networking, scripting, and systems integration. • Excellent technical skills, with strong knowledge of current and emerging technologies. • Strong communication abilities, with history of providing on-site support to wide range of clients. • Experience working in fast-paced, deadline-oriented environments. • Solid background in technical support, capacity planning, and security. • Planing and coordinating the installation, configuration and testing of complex hardware, operating system and application software environments.  less

    unix-system-administration perl unix-shell apache-administration mysql security network-administration 00 more less
    • $25.00 HOURLY RATE
    • 4.0
    • 7 HOURS
    • SPAIN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Software,Network engeneer.Security researcher

    #Network skills Create and Support ISP and WISP networks Wimax,Wifi,Fiber optic network's support Monitoring and troubleshooting Technical,Software,hardware support and consultation __________________________________ # Penetration Testing & Security Network Penetration Testing . . System security audit Debugging,Disassembling Website,Webapp security … more

    #Network skills Create and Support ISP and WISP networks Wimax,Wifi,Fiber optic network's support Monitoring and troubleshooting Technical,Software,hardware support and consultation __________________________________ # Penetration Testing & Security Network Penetration Testing . . System security audit Debugging,Disassembling Website,Webapp security pentest Reverse Engineering Firewalls,IDS,IPS implementation __________________________________ # IT IT Audit IT Administration . Server administration Project Managment . VMware Administration . Microsoft Products . Monitoring Projects . __________________________________ # Software Development: C/C++(OOP) Assembler x32 (Windows) Embarcadero Windows Network Programming QT .NET Framework 3.0 , 3.5 , 4.0 MS SQL Server 2005/2008, MySQL  less

    security 00 more less
    • $38.89 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • GEORGIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • Network / Security Engineer - CISSP, CCNA-SEC, CCNA

    As a Network / Systems Engineer for the past 24 years, I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business office to large enterprises … more

    As a Network / Systems Engineer for the past 24 years, I can help troubleshoot most network issues on WAN / LAN with almost any network device vendor, administer Windows and Linux server environments from one small business office to large enterprises with multiple locations. As a security specialist in standards like PCI-DSS, HIPAA, NIST, ISO-27001(2) FISMA, I can also help recommend and provide guidance to secure all aspects of data and network integrity, by providing assessments and audits of current environments. I also have excellent trouble isolation and resolution skills from a long history of working in the field, especially system and network engineering and administration. I look forward to helping you by using these skill sets to overcome any server or network task you should post. Skills CISSP, PCI-DSS Compliance, HIPAA, PII Linux Server Engineering and Administration Windows Server Engineering and Administration Cisco Router, Switches and Firewalls Firewalls - Cisco, Juniper, SonicWall, Fortigate Engineered LAMP (+Java) for high volume e-commerce platform Engineered LAMP systems for 1500 node Linux / Windows network System Tuning for system performance and data optimization Apache Optimization, Website Security, Mod-Security, PHP VMWare / VSphere engineered production supplemental servers, Production, Development and QA Systems using complex Visualization (Citrix & VMWare) System administration and system tasks, scripts and management. MySQL / MSSQL DBA PMP  less

    security penetration-testing mysql firewalls apache-administration network-security linux-system-administration windows-azure cisco-routers windows-administration 00 more less
    • $55.56 HOURLY RATE
    • 4.9
    • 449 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 5 TESTS
  • TIBCO Consultant & E-Commerce Architect

    Good Day and thank you for taking a moment to read my profile! I started working in IT about four years ago as a technical support representative for Simple Helix, a Magento specialist web hosting company. From there, I had … more

    Good Day and thank you for taking a moment to read my profile! I started working in IT about four years ago as a technical support representative for Simple Helix, a Magento specialist web hosting company. From there, I had the opportunity to spend a year as a Network Analyst for a local, carrier class, ISP before moving on to a position as a Linux Systems Engineer with a Magento development firm. In the present, I work as an Applications Engineer with a focus on the TIBCO stack, most notably AMX, BusinessWorks, EMS, and SilverFabric. I've got a very strong background in Linux/Unix administration and have worked extensively with CentOS, Red Hat, and Debian. I've worked with networks from a physical perspective, as a NOC Technican, as well as logical perspective troubleshooting complex application issues. Over the past few months I've taken the opportunity to learn to code in Java and I've recently attended Red Hat training for JBoss EAP 6. I'm a CPTE(Certified Penetration Testing Engineer) and would happily pursue projects as an E-Commerce Architect, Systems Engineer, TIBCO Engineer, JBoss Administrator, entry-level Programmer, or entry-level Ethical Hacker.  less

    linux-system-administration magento mysql load-balancing security network-security penetration-testing vulnerability-assessment tibco-activematrix-businessworks java 00 more less
    • $33.33 HOURLY RATE
    • 4.8
    • 141 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 2 TESTS
  • System Admin

    I have been in the system administration and server management field for almost 10 years. Server management has been always my passion and I enjoy working in this area. I got loads of experience in key areas of server management … more

    I have been in the system administration and server management field for almost 10 years. Server management has been always my passion and I enjoy working in this area. I got loads of experience in key areas of server management. I got immense experience in server hardening and server security. I have designed, configured and secured more than 1500 servers up to date. I have experience in setting up datacenter. I rate my troubleshooting skills very high and have been very successful in finding out the cause of an issue and solving it. As I am very savvy on this, I can assure my experience will be a added advantage for you. My relevant skillset is quoted below. 1. Complete Management of Linux/Unix/Windows server. 2. Control panel knowledge (cPanel, Plesk, Helm, Directadmin, Ensim, Webmin, Virtualmin) 3. Virtualization technology (OpenVZ, Xen, SoluzVM, HyperVM, VMware ESXi, Xen Center, Microsoft HyperV, KVMs) 4. Server migration between various control panels 5. Mail server (Exim, Sendmail, Postfix, Qmail) 6. Cloud Server ( OnApp, Amazon EC2) 7. WebServers (Apache, IIS, Nginx, Lighttpd, LiteSpeed) 8. Operating Systems (RHEL, CentOS, Debian, Ubintu, OpenSuse, FreeBsd, Windows) 9. SSL Certificates (Symantec, Digital certs, Go daddy, Verizon) 10. Proficient in troubleshooting various desktop issues and applications 11. Good Knowledge in DRBD. Have setup more than 100 servers 12. Good knowledge in failover technology. Have used pacemaker/heartbeat for realizing failover clusters 13. Good knowledge in load balancers. Have used linux virtual server as the load balancer. Configured, LVS NAT, direct routing and Tunnelling. Knowledge on split-brain issues 14. Immense experience in server monitoring. Haves nagios, Zabbix. have developed more than 200 nagios plugins. Always take pro-active measures on alerts 15. VPN, PPTP,IPsec, SSH, SSL/TLS 16. FTP, SVN, CVS, GIT, Samba File Server 17. Content management system: OpentCart, Wordpress, OsCommerce, Ecommerce, Joomla 18. Networking: DHCP, DNS, Active Directory, OpenVPN, NFS, SAMBA, GFI, Squid Proxy realized with authentication, Firewalls (csf/apf/iptables), Clusters (active-passive/failover), Remote Installation (with KVM/IPMI), Network Address Translation, Network Information System 19. Backup: R1soft, CDP, rzync based backup, Rdiff, control panel backups 20. Server hardening of any kind of servers. Will provide complete report of what all security steps has been done on the server. Can setup weekly cronjob to get a server security report. Major Projects done 1. Design, harden and setup servers in a datacenter. The total number of servers setup is 600. 2. Implement monitoring for servers with nagios as the monitoring server. Number of servers added to nagios is1500. 3. Develop nagios plugins for a client. Number of plugins created is 75. 4. Migration of servers. Migrated 300 virtual machines from 5 physical nodes to two physical nodes. 5. Migration between control panels. have done more than 1000 migrations till date. 6. Mailbox Migration: Done exim mailbox migration in MailDir format. Number of email account migrated is approximately 10,000. 7. Load balancing setup for a client with LVS NAT. Effectively completed the project with one master server and 5 load balancer clients. The website hosted in this cluster has got almost 2 million hits a day. 8. Configured DRBD for online data sync with almost 50 resources configured. Have configured “Automatic split-brain recovery policies”. 9. Designed and Setup failover servers with DRBD-Pacemaker. The corosync cluster engine was used. Resource level fencing was used. The cluster got 10 servers. Five such clusters has been realized. 10. Configured centralized server management software Puppet on a group of 1200 servers. Updated various security softwares such as SSH, CSF firewall etc on all these group of servers at once using puppet. Languages known: Malayalam – Mother Tongue English – High Level - Speak, Read and Write  less

    linux-system-administration virtualization network-security clustering security network-administration 00 more less
    • $11.11 HOURLY RATE
    • 4.6
    • 1 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • Wordpres Web Developer

    Over the last 4 years I developed maintained a website for the local youth football team. Now I decided to use my skills to earn my living. So far I have work on sites such as www.scaryevilclowns.com and … more

    Over the last 4 years I developed maintained a website for the local youth football team. Now I decided to use my skills to earn my living. So far I have work on sites such as www.scaryevilclowns.com and done some virtual assistant & backlinking work for www.hcgdietinfo.com. I look forward to branching out and doing more web design work, especially with wordpress.  less

    wordpress technical-support security zencart html5 css3 web-design 00 more less
    • $77.78 HOURLY RATE
    • 5.0
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
    ASSOCIATED WITH:
  • Python/Wordpress/PHP/C Developer and a Security Consultant

    I am a creative developer with expertise in Python, PHP, Wordpress, MySQL, C, Security Pentesting, Web Crawling and Web Scrapping. I have been involved in Opensource Development since 2011 and have contributed to several projects including Libav, Sugarlabs and KhanAcademy … more

    I am a creative developer with expertise in Python, PHP, Wordpress, MySQL, C, Security Pentesting, Web Crawling and Web Scrapping. I have been involved in Opensource Development since 2011 and have contributed to several projects including Libav, Sugarlabs and KhanAcademy. I have fixed and filed security vulnerabilities in projects including FFMPEG and Libav. I also have experience in training individuals in Hacking and Security Pentesting and am a part of the Hacker High School project. I also have experience in Malware research and have been a part of an International Hacking Event named "The Hacker Conference" (speaker). In the past 4 years I have worked with a variety of API's and developed diverse projects. I have experience with MVC frameworks including Django and other frameworks like Flask and Google App Engine (webapp2). I am also comfortable working with CVS systems like GIT and SVN. I also have experience porting static websites to wordpress, which includes theme development and plugin development. I am currently managing My blog (wordpress), IIIT Delhi's website and GSF's website (wordpress).  less

    python c php wordpress gtk-programming security web-scraping data-scraping 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 9 PORTFOLIO ITEMS
    • 2 TESTS
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