System Administrators for hire in United States

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  • Hire pauldj
    3.6
    3 reviews $150 USD per hour
    I have 17 years experience with System Administration and Computer Security. Primary interest involve Linux and Open Source products. Troubleshooting. Tutoring. Design, setup, configuration, and implementation of systems into production environments. Migrating production servers with minimal downtime. Creating...
    I have 17 years experience with System Administration and Computer Security. Primary interest involve Linux and Open Source products. Troubleshooting. Tutoring. Design, setup, configuration, and implementation of systems into production environments. Migrating production servers with minimal downtime. Creating technical documentation, so that others duplicate my results without issue. Providing issue resolution. Ensuring satisfaction and delivering quality of work and results. Operating System experience - Linux, Windows(desktops and servers), FreeBSD, OS/X, NetBSD, OpenBSD, BSD/i, Solaris, Sco UNIXWARE, AIX, IRIX, HP-UX, Cisco iOS, and Finesse/PIX-OS/ASA-OS. Security Administration experience - System, Network, and Web Application Hardening. System and Network Intrusion Detection Systems. Intrusion Prevention Systems. Honey Pots. PCI DSS, SOX, HIPAA, and DISA STIG compliance. Vulnerability Assessments. Penetration testing less
  • Hire gigadevca
    4.2
    2 reviews $35 USD per hour
    GigaDevCA is a US based technology solutions company working with employees around the globe. Our onshore-offshore model gives our clients the best product quality at affordable rates. Customer satisfaction and product quality is our ultimate priority. Expertise: Mobile Development (iOS, Android) Web Development...
    GigaDevCA is a US based technology solutions company working with employees around the globe. Our onshore-offshore model gives our clients the best product quality at affordable rates. Customer satisfaction and product quality is our ultimate priority. Expertise: Mobile Development (iOS, Android) Web Development (WordPress, CSS, HTML) Laravel React Magento Angular JS Ionic C C++ Python Logo/website design Product QA Datacenter System Administration Computer Networking Cisco Product Deployment L2/L3, TCP/IP, Switching, VLAN, IP configuration, Subnetting less
  • Hire shawnwilliams85
    6.1
    29 reviews $50 USD per hour
    I have 10+ yrs. of quality experience in developing a variety of heavily customized, large and scalable PHP/MySQL based website development projects. I am proficient in HTML, CSS, Javascript, PHP, MysQL, WordPress, Joomla, Drupal, and Magento. I can also provide design work to take your ideas from conception to...
    I have 10+ yrs. of quality experience in developing a variety of heavily customized, large and scalable PHP/MySQL based website development projects. I am proficient in HTML, CSS, Javascript, PHP, MysQL, WordPress, Joomla, Drupal, and Magento. I can also provide design work to take your ideas from conception to reality, from design to project launch. If you are looking for a professional, honest, ethical web developer who offers an organized and methodical approach to development, then look no further. I welcome you to allow me to turn your vision into a beautiful reality. In short, if you need an experienced developer, or team, with top notch communication, beautiful design skills & optimized coding techniques, premium after-service maintenance, in time and to budget, then I'm your the obvious choice. less
  • Hire johnathanmartin
    1.0
    1 review $20 USD per hour
    Johnathan Martin is a Web Developer proficient in PHP, HTML, MySQL and Wordpress. Mr. Martin is also a Crypto Currency specialist and he was worked on numerous projects related to Crypto Currency development. He also recently launched his own LLC that specializes in Web Development and Web Hosting. If you have a...
    Johnathan Martin is a Web Developer proficient in PHP, HTML, MySQL and Wordpress. Mr. Martin is also a Crypto Currency specialist and he was worked on numerous projects related to Crypto Currency development. He also recently launched his own LLC that specializes in Web Development and Web Hosting. If you have a project, we're probably your best bet. less
  • Hire benderissl
    1.0
    1 review $60 USD per hour
    My clients working with me because they know if they ask me something no matter what day or time I start work on job right away . If project is urgent I put everything and will work on it till it's will be done . Even if need to spend 12-15 hours at the computer without rest . I never didn't work on freelance but...
    My clients working with me because they know if they ask me something no matter what day or time I start work on job right away . If project is urgent I put everything and will work on it till it's will be done . Even if need to spend 12-15 hours at the computer without rest . I never didn't work on freelance but because one of my biggest clients going out of business now i looking for projects here . Preferably who needs long term projects . If need have references from my previous and or existing clients with who I work . less
  • Hire ddrconsulting
    5.1
    32 reviews $130 USD per hour
    Proficient or familiar with a vast array of web development programming languages, concepts and technologies; including, but not limited to: PHP, MySQL, JavaScript, AJAX, JSON, Java, C/C++, ActionScript, XML, HTML/DHTML, CSS, responsive web design and development, SQL, jQuery, iOS, data mining, mobile application...
    Proficient or familiar with a vast array of web development programming languages, concepts and technologies; including, but not limited to: PHP, MySQL, JavaScript, AJAX, JSON, Java, C/C++, ActionScript, XML, HTML/DHTML, CSS, responsive web design and development, SQL, jQuery, iOS, data mining, mobile application development, database development, debugging, reporting, and optimization. Over 24 years programming experience, with 22 years of it focused on web development. less
  • Hire riazi
    3.2
    3 reviews $30 USD per hour
    I used to develop software. Now I use software to develop.
    I used to develop software. Now I use software to develop. less
  • Hire NovaStudios
    9.2
    361 reviews $40 USD per hour
    Tired of... ...communication issues with non-native English speakers? ...sloppy work that's full of spelling issues and other obvious errors? ...missed deadlines? ...developers raising the price midway through the project? ...poor design aesthetics and misinterpreted visions? ...people failing to...
    Tired of... ...communication issues with non-native English speakers? ...sloppy work that's full of spelling issues and other obvious errors? ...missed deadlines? ...developers raising the price midway through the project? ...poor design aesthetics and misinterpreted visions? ...people failing to deliver? Say 'Hi' to NovaStudios and say 'Good-bye' to your web and graphic project problems. We're just a private message away... less
  • Hire musashi42
    7.1
    84 reviews $25 USD per hour
    I have over 10 years of experience in Web Security, Penetration Testing, Coding and as System Admin for both Windows and Security :- Full security checkup of websites and web applications (ajax code, php, javascript, xml, xmlrpc, flash, soap systems, lamp systems etc)- Checking for insecure listening services- Logs...
    I have over 10 years of experience in Web Security, Penetration Testing, Coding and as System Admin for both Windows and Security :- Full security checkup of websites and web applications (ajax code, php, javascript, xml, xmlrpc, flash, soap systems, lamp systems etc)- Checking for insecure listening services- Logs auditing for suspicious activity- Security auditing for Drupal/Joomla/Wordpress/vbulletin- Server Security and System Administration (Apache, CentOS, MS IIS etc)- iframe virus finding and destroying plus preventing from future infection- Website scanning for various injections (sql, code injections, etc) - Checking for xst, xss, csrf, ie owasp top 10 - VoIP Security Consulting - Form Validation security checkup Penetration Testing : - Vulnerable scripts, webapps - Unknown vulnerabilities - Vulnerable services (HTTP, FTP, MYSQL, VPN, ROUTERS, DNS, SMTP etc) - MITM Attack - DDoS Website/Webserver Monitoring And Prevention : - System/Network daily checkup with custom scripts - Security Patching - PHP/mysql scripts auditing for various types of injections - Data BackUp Coding : - Coding (php/mysql, perl/cgi, c/c++, javascript, ajax and using curl for automating login tasks and cookies, java for android app development) - Network Coding, Sockets (c/c++ and perl, custom sending of tcp/udp packets) - Android app development (stand-alone app, network sockets and more) - Design (HTML/CSS, dreamweaver) Coding web apps in recent few years: - MEAN stack - Django, and play framework - Laravel, and using envoyer/forge for ease of deployment Installation : - CMS (Drupal/Joomla/oscommerce/ecommerce/Wordpress) - VoIP (freeradius, asterisk, freepbx, a2billing, sip and more) - Citrix (installations and configurations) - VPN - OS (Windows - any version, Linux - any distro) - Custom Scripts Other : - Legal Research and Related - Quantum Physics - Matlab Simulations, Digital Photography Processing, Signal Processing, Relay Networks etc. - Probability and Statistics - Translation - Data journalism - Cryptography - Software and Website testing for bugs - Screenplay writing - Creative writing(Fiction/Non-fiction) - Comic Book drawing/writing - Portrait sketching in pencil - Digital coloring for comic books and digital painting (done in photoshop) less
  • Hire codered333
    3.9
    19 reviews $15 USD per hour
    I work quickly. I am great at PHP, MySQL, HTML, CSS, and multiple other languages. I will give samples of work upon request.
    I work quickly. I am great at PHP, MySQL, HTML, CSS, and multiple other languages. I will give samples of work upon request. less

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