Linux System Administration Freelancers

Showing 1,336 freelancers

Linux System Administration Freelancers

Showing 1,336 freelancers

  • Linux Administrator

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail … more

    I'm fully working from the last 5+ years as a Linux Administrator .I'm well experienced in Linux Server administration tasks in the production and development environments - Have excellent knowledge and hands on experience in Apache, Tomcat ,Nginx, Qmail, Sendmail, postfix, Mysql, Postgresql, FTP, Samba, SVN, Git, Asterisk, Elastix, CouchDB, Pfsense firewalls,load balancers, Amazon EC2, HP cloud, Openfire chat, Nagios servers, Mysql replication, Squid proxies etc.., Good knowledge in shell scripting. Also can perform server auditing, optimizing and tunings. Also provide Linux Training for freshers and others who wanted to well familiarize with the Linux server administration core areas.  less

    linux-system-administration 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 6 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • Windows/Linux/Network Administrator

    Presently I am deputed as a Lab Administrator at FAST NU (http://nu.edu.pk) for almost above 4 years. During these years I have acquired a very good knowledge of Network and System concepts and learned the art of … more

    Presently I am deputed as a Lab Administrator at FAST NU (http://nu.edu.pk) for almost above 4 years. During these years I have acquired a very good knowledge of Network and System concepts and learned the art of troubleshooting. My responsibility includes but not limited to managing VMWare ESXi Server, Active Directory, Samba File Server, Squid Proxy Server, Microsoft Forefront TMG Server, management of subnets on Cisco 3560/3750 Switch, management of VLANs, management of Trunks all over the network, documentation of network and providing end user support for system and network problems. Previously I have worked as Systems Technician at Information Technology Experts (http://www.itepk.com) I have Higher National Diploma (HND) in Computing from Edexcel, UK affiliated institute.I own Diploma of Associate Engineer (DAE) in Information Technology. I have taken training of RHCE, CCNA, TMG and have earned Microsoft’s MCITP:Enterprise Administrator Certification.  less

    linux-system-administration 00 more less
    • $10.00 HOURLY RATE
    • 5.0
    • 18 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 14 TESTS
    GROUPS:
    ASSOCIATED WITH:
  • CCNA, RHCE & MCSE

    Name: Ankur Kumar Bhardwaj Contact Details: MSN : ankur_sys@hotmail.com Yahoo: bulletman2005@yahoo.com Gmail: bulletman2005@gmail.com About Me: I am a 4+ years experienced linux server administrator. I am now looking forward to get a reputable full time … more

    Name: Ankur Kumar Bhardwaj Contact Details: MSN : ankur_sys@hotmail.com Yahoo: bulletman2005@yahoo.com Gmail: bulletman2005@gmail.com About Me: I am a 4+ years experienced linux server administrator. I am now looking forward to get a reputable full time technical support position, or a part- time server setup and security expert position. Expected Minimum Payment Rate : $8-$10 per hour. Employment status: Resigned employee from outsourcing server administration company. Education: Degree in Computer Science and Engineering with first class. B.C.A & M.Sc in network protocol design Expertise and Skills: * Cisco Certified Network Associate (CCNA)->Cisco ID:CSCO11213978 * Microsoft certified Network Engineer (MCSE)->MCP ID:3832932 * RHCE (RHEL 5) ->RedHat ID:805009471241098 * Well experienced with working for many leading data centers and webhosts. e.g lunarpages. * Well experienced in handling L1/L2/L3 level tech support, Security and Installation works. * Expert in cPanel servers, Familiar with Plesk, Enzim and servers without control panels. * Excellent knowledge for load balancing & clusters setup. * Experienced with VPS(Virtuozzo) Environment. * Passionate about advanced linux IP firewalling and security. * Excellent written communication skills. * Excellent technical training skills. * Excellent team building and leadership skills. * Well experienced in leading offshore outsourced teams for webhosts/NOCs. Other Technical Activities: * Technical writing and documenting: Has published technical articles related to server configuration, security etc in leading linux magazines. * Experienced in conducting technical presentations. More Information: I have attached my CV with this email. So please check & consider. Thanks Ankur Kumar Bhardwaj  less

    linux-system-administration 00 more less
    • $11.11 HOURLY RATE
    • 4.4
    • 17 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • System Administrator, Linux Engineer, Web Server Specialist

    Hello, I'm a professional systems administrator currently working for a University in Chicago. I also run a small consulting firm www.drowerconsultants.com that caters to clients' needs in server administration, e-commerce and hosting. From building e-commerce sites to … more

    Hello, I'm a professional systems administrator currently working for a University in Chicago. I also run a small consulting firm www.drowerconsultants.com that caters to clients' needs in server administration, e-commerce and hosting. From building e-commerce sites to hosting/managing high traffic blogs to simple administration tasks, Drower consultants are here to make your life as a business owner easier on the back end. I am a native English speaker, and based in the United States. My company has no problems signing NDA's or honoring any type of domestic contract. Some of my experience: Deploying highly available webapps into custom built infrastructures Clustering and load balancing webservers/database servers Data backups, Database/File backups, backup automation and troublshooting Running large small website networks on servers. Including file management and performance tuning of a high number of small independent sites. Email Server/Postfix Configuration - Building and troubleshooting mailservers  less

    linux-system-administration centos 00 more less
    • $38.89 HOURLY RATE
    • 5.0
    • 56 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 1 TEST
  • Linux / FreeBSD System Administrator

    I am working for over a year in one of the best companies in Eastern Europe specialized in remote server management and administration. During this period I earned a rich experience as a system administrator.I have knowledge of:Database … more

    I am working for over a year in one of the best companies in Eastern Europe specialized in remote server management and administration. During this period I earned a rich experience as a system administrator.I have knowledge of:Database Administration (MySQL, PostgreSQL);Firewall Configuration (In Linux/FreeBSD);Web services configuration (Apache, Nginx and others);OpenVPN setup and configuration;LAMP server setup and configuration;Mail Services management (Exim, Sendmail, Qmail, Postfix);Virtualization (OpenVZ, Virtuozzo, Xen, VMWare);Security auditing;Shell Scripting (BASH).  less

    linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 4524 HOURS
    • MOLDOVA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
    ASSOCIATED WITH:
  • Linux Server Expert

    Responsible for managing the technical side of Iserver Admin, including server security and optimization, application programming, technical problem resolution, and management of the company's technical staff. Responsible for maintaining all running website including all shared hosting, VPS & Dedicate Servers … more

    Responsible for managing the technical side of Iserver Admin, including server security and optimization, application programming, technical problem resolution, and management of the company's technical staff. Responsible for maintaining all running website including all shared hosting, VPS & Dedicate Servers. Provide higher level technical Support Services. Ensuring fault free System Performance (Process, Load & Disk Space) monitoring & fine-tuning of Servers. Accountable for rendering support for the Systems & maintaining uptime for all systems as per Customer Defined SLA’s. Involved in troubleshooting of the faults and defects on Servers Operation. Taken care of regular maintenance of Network & Systems with the Organization. Network Design & Security reviews at fixed time intervals. Databases Replication and optimization . Maintaining and Configured 18 shared hosting and 300 Dedicated & VPS Linux servers. 9000+ Websites with LAMP server (Linux, Apache, MySQL, and PHP) services on shared hosting server. 200+ Linux Users with higher level Linux technical Support Services. Configured and Maintaining Exim mail server, Apache web server, DNS server, MySQL database server, Backup server and NFS server. Maintained and configured Zimbra open source Mail server. Deploying and Managing Corporate Mail Server using Postfix (MTA) on Linux Machine. Maintained and Configured Tomcat application Server integrated with Apache. Configured and Maintaining Joomla, WordPress, Drupal, and Magento services as per client requirements. Managing 5 Different Network Zones within the Organization. Managing 3 Cloud envirement. (Openstack) Taken care of regular maintenance of Network & Systems with the Organization. Troubleshooting Network Connectivity, User Login and Server Booting related Problems. Configuring backups for Scheduled and Unscheduled Backups. Backups of databases & restoration as per requirement. Maintaining the server security (CSF,MOD Security) from various dos,ddos,sql injections, xss, bulk mailing scripts.  less

    linux-system-administration 00 more less
    • $10.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Expert PHP dev and GNU/Linux Sys Admin, Mysql, Symfony, Javascript

    7 years experience as PHP Web Developer. Reliable and competent service. I'm expert in LAMP platform (Linux/Apache/Mysql/PHP). My focus is on free software tools and frameworks. Good background in Object Oriented Programming and Databases from my … more

    7 years experience as PHP Web Developer. Reliable and competent service. I'm expert in LAMP platform (Linux/Apache/Mysql/PHP). My focus is on free software tools and frameworks. Good background in Object Oriented Programming and Databases from my years in the university. I have experience with: PHP, Symfony, SugarCRM, Python, Web Services, SOAP, JQuery, Ajax. Also, I'm a GNU/Linux system administrator, mostly installing/configuring websites with Apache, Drupal, Wordpress, Firewalls, shell scripting and automation. I work with Debian GNU/Linux and Emacs in a daily basis. I am a native Spanish speaker. Some of my works: Adaptation of SugarCRM (PHP) with Asterisk IVR, Web Services and other requeriments for Contact Center of an important Bank in Argentina. A clone of youtube and social sites in PHP for a Marketing agency. Bug tracker and other web apps made in Symfony framework. I also have knowlege of: Smalltalk, C, Assembler, Networking, Software Engineering concepts, UML diagrams, ER diagrams.  less

    linux-system-administration php sugar-crm symfony 00 more less
    • $27.78 HOURLY RATE
    • 4.9
    • 7126 HOURS
    • ARGENTINA
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 1 TEST
    GROUPS:
  • IT Networking/System Admin Professional

    To obtain projects that would allow me to utilize my extensive networking skills and be a very vital asset to a Buyer. Also to develop an ongoing professional relationship to provide the best support needed by the buyer.

    network-administration linux-system-administration 00 more less
    • $22.22 HOURLY RATE
    • 5.0
    • 1162 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • GNU/Linux expert / Debian / Networking / VoIP / IPv6 / VPN / DNS

    Hello ! I am an experienced GNU/Linux Administrator and a Debian GNU/Linux official consultant since August 2007. I also know my way around NetBSD and Microsoft Windows 95/98/2000/XP/Vista/7. My expertise is in the area … more

    Hello ! I am an experienced GNU/Linux Administrator and a Debian GNU/Linux official consultant since August 2007. I also know my way around NetBSD and Microsoft Windows 95/98/2000/XP/Vista/7. My expertise is in the area of VoIP systems (Asterisk). Apart from this, I can also manage various System Administration tasks, like securing the servers, Networking, Virtualization (Linux-VServer), Firewalls (Shorewall), DNS, SMTP, Webhosting, IPv6, VPN, SSL etc. I am located in Slovenia, Europe. I can also assist in setting up office infrastructure and services in Slovenia and neighbouring countries. I can communicate in English or German language. I am available via email, phone, and instant messaging.  less

    linux-system-administration 00 more less
    • $9.99 HOURLY RATE
    • 5.0
    • 0 HOURS
    • SLOVENIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
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