Security Freelancers

Showing 63 freelancers

Security Freelancers

Showing 63 freelancers

  • MCITP, MCSE, Virtualization, Network Engineer/Mangr, Writer

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager … more

    Experienced Technology Leader, Implementation Manager, Change Agent and MCSE/MCITP. In-depth knowledge of IT systems and operations, project management, large-scale system implementations and information security with over twelve years with hands on experience as an Enterprise Administrator and Network Manager in NT, 2000, 2003 and 2008 environments. Extensive experience in Server Virtualization including VMware and Hyper-V integrated with HP and EMC SANs. Practiced understanding of Exchange, Lync Server 2010, Fortigate UTM devices, Active Directory, PKI and DFS. Five years of experience as a corporate Microsoft/Certification trainer and serving as an MCSE/CCNAinstructor for technical schools, colleges and corporations such as AT&T; and Comcast Cable. I have created course curriculum for two online schools. I am extremely proficient in Server 2012 and 2008, including Server Core edition, Hyper-V, Fortinet, VMware, Procurve, HP and EMC SANs, Active Directory, Exchange, SQL, Procurve switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also a professional writer and have contributed to several white papers and authored published articles in professional journals. Have also written and reviewed test questions for IT professional certifications. I am looking for other opportunities to supplement my work load. My Microsoft Profile can be accessed by this link: http://www.mcpvirtualbusinesscard.com/VBCServer/brad.rudisail/profile For more information on me go to www.bradinthecloud.com  less

    virtualization security technical-documentation microsoft-active-directory technical-writing white-paper-writing windows-administration 00 more less
    • $36.94 HOURLY RATE
    • 4.8
    • 1768 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
    GROUPS:
  • Wordpress Developer, Webmaster, Sytem Admin, Security Consultant

    I've been in the web development field for more than 4 years, when I started developing PHP/MySQL applications for a local company. I've worked on a variety of applications. Over the last 4 years I've dedicated … more

    I've been in the web development field for more than 4 years, when I started developing PHP/MySQL applications for a local company. I've worked on a variety of applications. Over the last 4 years I've dedicated myself to work with Wordpress, so I'm capable of creating complete Wordpress sites from scratch, that include customized code (writing modules), convert/create themes, SEO, Social Media Integration and Hardening. I also have worked on Windows and Linux servers, performing installations / configurations / hardening and have some experience in the following areas: SQL, PHP, MySQL, XHTML, CSS.  less

    wordpress seo xhtml css security php linux-system-administration 00 more less
    • $27.78 HOURLY RATE
    • 5.0
    • 1867 HOURS
    • COLOMBIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 3 TESTS
  • PeopleSoft Security Consultant/Project Manager/Proofread/Web Research

    I have handled PeopleSoft Security and PS admin for more than three years. My skills and experiences include Microsoft Office, UNIX, Oracle Database and MS-SQL. I have been with a huge I.T. company, and on the Peoplesoft support team … more

    I have handled PeopleSoft Security and PS admin for more than three years. My skills and experiences include Microsoft Office, UNIX, Oracle Database and MS-SQL. I have been with a huge I.T. company, and on the Peoplesoft support team for more than three years. This has helped me develop the skills mentioned above. I also have been doing proofreading, editing, web research, email handling, data entry and project management since 2011. I also have experience with technical writing. I am seeking opportunities where my experiences and skills can be utilized to improve customer satisfaction.  less

    security microsoft-word microsoft-excel sql unix-shell microsoft-powerpoint technical-writing content-writing 00 more less
    • $7.22 HOURLY RATE
    • 4.6
    • 3316 HOURS
    • PHILIPPINES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 7 TESTS
  • Senior Linux Administrator / Asterisk / VoIP / cPanel / Perl / BASH

    I am a senior technical engineer who has 10 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ … more

    I am a senior technical engineer who has 10 years IT experience in the following areas: Advanced Linux Cluster Administration Advanced Knowledge of shell scripting Network Administration Network Security (Penetration Testing) Server Auditing Technical Support Virtualization (mainly Parallels Virtuozzo/openVZ) Web hosting Control panels such as cPanel,Plesk,DirectAdmin Tweaking and Optimizing Apache for better performance Hardening PHP Data recovery Asterisk/Trixbox/Elastix/VoIP solutions.  less

    linux-system-administration asterisk mysql cpanel whm centos samba apache-administration perl security nagios bash freepbx trixbox 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 4928 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 7 TESTS
  • Recruiter/HR Professional/Assessor/Copywriter/proof reader/ advisor/

    I am a CIPD qualified HR Manager with extensive Recruiting Experience, a Saville and Holdsworth trained invigilator and NPIA qualified Assessor/Examiner in both STAR (situation, task, action, result) and Holistic Based Behavioural Assessment. I am also Chapter House trained … more

    I am a CIPD qualified HR Manager with extensive Recruiting Experience, a Saville and Holdsworth trained invigilator and NPIA qualified Assessor/Examiner in both STAR (situation, task, action, result) and Holistic Based Behavioural Assessment. I am also Chapter House trained copywriter/proofreader, with experience in editing and article writing. For the past 20 years I have been employed by West Midlands Police in various capacities and have vast experience as a Police Recruiter/Assessor, Press Officer and Secretary/Personnel Assistant to the Chief Constable. I have been instrumental in many market and and recruiting campaigns, and assess, examine and invigilate potential police officers on a regular basis. Currently I am working for a Chicago based Real Estate company, implementing their HR Department and responsible for the growth of the company in terms of recruitment and training. Using iapps recruiting software and tools such as Skype and Google, I ensure that, whilst I am based in the UK, I am always in touch with the US. I am well versed in press and public relations and was assigned to Sir Edward Crew, former Chief Constable of West Midlands Police for 5 years as his Personnel Assistant. I also have sales and marketing experience and could utilise all of these skills increasing your companies profitability.  less

    recruiting basecamp administrative-support copy-editing proofreading risk-management vulnerability-assessment customer-service customer-support sales-promotion security real-estate-idx cover-letter-writing telemarketing internet-marketing open-office 00 more less
    • $13.33 HOURLY RATE
    • 5.0
    • 2063 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 9 TESTS
  • Web development+PHP+mysql+wordpress+Smarty +prestashop-Content writing

    Over the last 8 years, I have developed a wide range of websites using HTML, DHTML, PHP, and MySQL, wordpress, codeigniter, Google API v3, Facebook API including sites for start up companies and small businesses. My core competency lies in … more

    Over the last 8 years, I have developed a wide range of websites using HTML, DHTML, PHP, and MySQL, wordpress, codeigniter, Google API v3, Facebook API including sites for start up companies and small businesses. My core competency lies in complete end to end management of websites ,php, mysql, wordpress, blog, bbolg, prestashop, codeigniter, interspire, content development, data entry, accounts, Google API v3 etc..  less

    php mysql security html css content-writing wordpress prestashop facebook-api google-maps-api 00 more less
    • $11.11 HOURLY RATE
    • 4.9
    • 1264 HOURS
    • INDIA
    • LAST ACTIVE
    • 41 PORTFOLIO ITEMS
    • 10 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • Delphi developer

    I believe that freelancing is the best way to gather experience and improve one's skills, while giving the most flexibility to both workers and employers. I have developed in Delphi (versions 5,6,7 to XE4), C++, PHP, SQL … more

    I believe that freelancing is the best way to gather experience and improve one's skills, while giving the most flexibility to both workers and employers. I have developed in Delphi (versions 5,6,7 to XE4), C++, PHP, SQL and others. Over 4 years, I was responsible for managing computer and paper based examinations at the British Council in Bulgaria and writing software for the above. This has taught me the importance of keeping to schedules and deadlines, team-working and communication. As a Computer Science graduate, I have very good knowledge of computer systems, OS, networking concepts, information security, etc. I also have some experience with GPS, Garmin products, Google Earth/Maps and cartography.  less

    delphi sql firebird mysql sqlite data-structures windows-app-development win32-app-development mac-os-app-development dropbox-api cryptography software-testing database-programming security microsoft-excel cartography amazon-web-services 00 more less
    • $44.44 HOURLY RATE
    • 5.0
    • 1194 HOURS
    • BULGARIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 11 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
    • 23132 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 10 TESTS
  • Ruby on Rails Developer and Consultant

    I'm seeking opportunities to build high-quality dynamic web solutions in Ruby on Rails. I've got a solid programming background with over 15 years experience. I'm a self-organized, disciplined and quality-oriented performer with good team management skills. A … more

    I'm seeking opportunities to build high-quality dynamic web solutions in Ruby on Rails. I've got a solid programming background with over 15 years experience. I'm a self-organized, disciplined and quality-oriented performer with good team management skills. A list of skills/features follows. * Passion for programming. * 15+ years overall development experience in 10+ languages. * 10+ years team leadership experience. * 10+ years Unix admin and TCP/IP networking experience. * 7+ years Ruby experience. * 5+ years Ruby on Rails experience. * Contributing to Ruby/Rails open source community (https://github.com/dadooda). * Clean, distinct, well-documented and reusable code is a *MUST*. * Solid understanding and everyday use of TDD (RSpec). * Strong JavaScript: raw language, jQuery, frameworks. * Everyday Git usage. * Practical programmer’s knowledge of HTML/CSS. * Hands-on experience of building high-traffic web applications in Unix environment (nginx, memcached, SQL server tuning, load testing tools, etc.). * 10+ years LAMP experience.  less

    ruby-on-rails unix-shell ruby tcp-ip amazon-web-services php javascript jquery css mysql linux-system-administration apache-administration nginx security vpn amazon-s3 amazon-ec2 firewalls postgresql c++ centos coffeescript 00 more less
    • $33.00 HOURLY RATE
    • 4.6
    • 2365 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 9 TESTS
  • Sr Linux / Amazon EC2 / Migrations / Nginx / Security / DevOps

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers … more

    A self-motivated System and Network security administrator with more than 10 years in the management and analysis of Linux/Unix enterprise Servers (60- 70 servers). With deep and advance knowledge of highly scalable servers, Cloud Computing, High performance, Hardening Servers, Migrations, Ethical hacking, Development Operations - DevOps, Open Source services and Server optimization. Certifications such as: Certified Ethical Hacker - Red Hat Certified Engineer - Cisco CCNA. Expertise in: MIGRATIONS: AMAZON/Wordpress/Magento/LAMP/Cpanel migration plans and implementation, backup-restore and recovery plans. I have helped dozens of clients migrate their web sites and applications into the CLOUD. Design and build Web Servers with HIGH PERFORMANCE (LAMP, NGINX/python, Nginx/Varnish, Nginx/php-fpm, Jboss, Apache tomcat and Varnish) - Improve and Fix performance issues, service optimization, security issues and deployments. MALWARE removal and analysis: WordPress / Magento / Joomla Malware removal and remediation, Incident handling and Forensics analysis. BOOST and optimize websites with: NGINX, Varnish, REDIS, Amazon S3, Memcached, APC, apache tunning and mysql tunning, Amazon CloudFront and more. Amazon Cloud Computing (AWS) - AMAZON EC2, amazon CDN S3, amazon RDS, amazon ELB, Amazon AutoScaling, VPC, CloudFront, Route53, etc. Also Management of multiple Control panels like Rackspace Cloud Computing, SoftLayer, GoDaddy, HostGator, dreamhost and MediaTemple. Designing and deploying scalable & Highly available systems such as: Amazon Load Balancing (ELB), Hearbeat, HAProxy, mysql cluster, apache cluster... Network and web security such as: Vulnerability Assessments, Hardening servers, security audits, Penetration testing, Virus/Malware/Threats/Vulnerabilities countermeasures, web security, fail2ban, Tripwire-AIDE-OSSEC, mod_security, mod_evasive, Denial of Services (DDOS) countermeasures, Firewalls (iptables, CSF and apf), etc. VPS: Cpanel / WHM / Plesk / DirectAdmin / Webadmin - Migrations, management, hardening, configuration, maintenance and high level of Administration. Databases Administration such as: Mysql tweaking and tunning, MongoDB, load balancing and Mysql replication (Master & Slave) for High traffic. Database: Mysql tweaking and tunning, MongoDB, ElasticSearch, Apache Solr, Sphinx, lucene, MariaDB, Postgresql replication & Pgpool, Mysql load balancing and Mysql replication (Master & Slave) for High traffic. Continuous integration (CI) and Automated configurations with: Puppet, Capistrano, GIT and Fabric. Jenkins + github, Jenkins + nginx... Networking: TCP/IP high expertise, NAT, FIREWALLS, CISCO routing and switching and Packet analysis with tcpdump and wireshark. Storage solutions and Directory management: SAMBA, NFS, FTP and sftp. LVM and RAID*. SCRIPTING: Bash and python. Proficient with MAIL Servers: postfix, sendmail and Zimbra. Source control versioning: GIT and SVN. Deploying and maintaining Monitoring systems such as: nagios, ZAbbix, cacti and Jboss Operation Network (JON). Backups solutions: amanda, rsync, Amazon backups and rsnapshot. Research & development (R & D) for any open source service and technology.  less

    network-security amazon-ec2 nginx linux-system-administration penetration-testing apache-administration jboss ubuntu virtualization samba security bash mysql amazon-rds amazon-web-services nagios rackspace-cloudservers clustering iptables centos git apache-tomcat unix-system-administration varnish-cache django-framework 00 more less
    • $24.99 HOURLY RATE
    • 4.9
    • 4654 HOURS
    • MEXICO
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 4 TESTS
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