Cluster Computing Developers & Programmers

Showing 113 freelancers

Cluster Computing Developers & Programmers

Showing 113 freelancers

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Last updated: March 1, 2015

  • MS SQL DBA Optimization, Clustering, Mirroring, Replication, TSQL

    Certified Database Administrator with over 10 years experience working with SQL Server 2012, 2008, 2005, 2000, 7.0 and 6.5. My proven skillset, has enabled me to work alongside and provide consultancy to Architecture and Development teams. My objective … more

    Certified Database Administrator with over 10 years experience working with SQL Server 2012, 2008, 2005, 2000, 7.0 and 6.5. My proven skillset, has enabled me to work alongside and provide consultancy to Architecture and Development teams. My objective is to use my experience to bring creative and robust solutions to businesses that requires a SQL Server Database Administrator/Developer. Skillset - Windows and SQL Server Clustering, TSQL, DTS, SSIS (ETL), SSRS, Performance Tuning/Optimization & Transactional ReplicationI also have 'real world' experience implementing backup, maintenance and disaster recovery strategies across multiple data centres.  less

    database-design database-administration clustering microsoft-sql-ssrs ssis sql 00 more less
    • $50.00 HOURLY RATE
    • 5.0
    • 2441 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
    ASSOCIATED WITH:
  • System Administrator

    Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk … more

    Operating Systems ● FreeBSD ● Linux Security ● iptables ● openssl ● jail ● clamav ● mod_security ● mod_clamav DNS ● Bind ● PowerDNS (+PostgreSQL / +MySQL) HTTP ● Apache ○ MPM: prefork, worker ○ mod_ssl, mod_php, mod_wsgi ● Nginx ○ Access control ○ Autoindex ○ Fast-CGI ○ uWSGI ○ Proxy ○ Cache ○ SSL ○ upload_progress_module ○ Control panel integration ■ Virtualmin ■ DirectAdmin ■ Plesk Proxy ● squid ○ basic auth ○ transparent proxy ○ cache ● 3proxy ○ http/socks ○ auth Raid ● Linux ○ md(0,1,5,6,10) ● FreeBSD ○ Gmirror / Striping File Systems: ● Ext 2,3,4 ● ReiserFS ● XFS ● OCFS2 ● ZFS (port to FreeBSD) ● CEPH CVS ● SVN ● Mercurial ● GIT ○ GitLab ○ GitoLite Backup ● rsync ● BackupPC ● Bacula FTP ● ProFTPd ● VSFTPD File sharing ● NFS ● SAMBA Control Panel ● Direct Admin ● Webmin+Virtualmin ● CPanel ● ISP-config ● Plesk Automatization ● Puppet ● Saltstack Monitoring ● Zabbix ● Nagios ● Munin ● Monit Network Understanding of theoretical and practical foundations of the networks (Data link, Network, Transport, Application Layers). VPN ● OpenVPN ● PPTP Database (SQL) ● MySQL (+MariaDB, +Percona) ● PostgreSQL Database (NoSQL) ● ElasticSearch ● Riak ● MongoDB ● Cassandra ● Redis Virtualization & Containerization ● KVM ● XEN ● OpenVZ ● LXC ● Docker ● Vagrant Cluster ● DRBD ○ master-slave ○ master-master (+ocfs2) ● Heartbeat ● Pacemaker Development ● actively use: ○ shell (bash, sh) ○ Python ● Frameworks ○ Django ○ Flask ○ Twisted ○ Tornado Cloud Solutions: ● AWS (EC2, S3, CloudFront, Route53) ● DigitalOcean ● RackSpace  less

    linux-system-administration apache-administration centos nginx php python django-framework clustering ftp mysql postgresql postfix exim mail-server-implementation samba openvpn openvz vpn cvs svn git redmine mercurial squid 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 22 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 0 TESTS
  • +5 years exp in hosting industry; NIX/WIN servers config/tuning

    During the last 5 years I have been working in a company that provides a full range of hosting tech support. What does this mean? - quick and complete resolution of your problem. Why quick? - because a customer wants their site … more

    During the last 5 years I have been working in a company that provides a full range of hosting tech support. What does this mean? - quick and complete resolution of your problem. Why quick? - because a customer wants their site to be up and running 99.9% of the time. Why complete? - because if the issue is half-fixed now it may arise in the future and the customer will have to move to another provider who can solve the problem (you know hosting is a highly-competitive marketplace). All these factors are forcing me to have (or gain as fast as possible) a wide range of knowledge in system administration, programming, code debugging and customer relationship.  less

    linux-system-administration windows-administration unix-system-administration freebsd clustering amazon-web-services virtualization openvz plesk cpanel customer-support helpdesk-support database-management mysql postgresql mail-server-implementation dns iis apache-administration lighttpd nginx apache-tomcat jboss security openvpn 00 more less
    • $16.67 HOURLY RATE
    • 4.9
    • 74 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 10 TESTS
  • Software Engineer cum Data Scientist

    Currently working in core Big Data Analytics firm and have an expertise in extracting external data from web(using web crawling and web scraping), data profiling( using Python, Excel, SAS), data creation, and predictive modelling(using Python-sklearn)

    sas python python-scipy python-numpy web-crawler data-scraping mysql machine-learning supervised-learning clustering 00 more less
    • $8.89 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Systems Analyst

    I have worked as Infrastructure Analyst where I support environments with large flux of date. My main duties are to plan and execute proactively migrating servers and applications, ensuring the safety and reliability of systems and environments, including diagnose problems … more

    I have worked as Infrastructure Analyst where I support environments with large flux of date. My main duties are to plan and execute proactively migrating servers and applications, ensuring the safety and reliability of systems and environments, including diagnose problems, help the team in difficult situations to succeed in their tasks and manage Amazon Web Services. In the past, I supported clients with medium to large scale and government bodies with hundreds of servers as Support Technician Level 3. Also, I taught as instructor of the following Linux courses: - Installation and Administration Concepts - Advanced Administration - Setting Backup Solutions and Disaster Recovery in Linux I graduated in Information Systems Technology. I have expertise in Project Management, Backup Management, Virtualization in Xen Server and solid expertise in Linux. Also I am passionate for new technologies, new challenges and with a strongly positive mind. Specialties: Linux Servers, Best Pratices, Mixed Networks, Firewalls, Troubleshoot, Amazon Web Services (AWS), Automate Tasks, Projects and Virtualization. You can find more information on my linkedin: au.linkedin.com/in/renatorudnicki/  less

    virtualization linux-system-administration redhat-administration citrix-xenserver network-administration clustering bash-shell-scripting firewalls puppet-administration apache-administration 00 more less
    • $15.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Senior Linux Administrator

    IT Professional for 13 years, since 2005 specialized in Linux servers for high availability, virtualization, tuning and hardening in Networking Services and Information Security. LPI Certified. 19 recomendations in LinkedIn. Here are some skills: Apache, Tomcat, MySQL, qmail, Postfix, Zimbra … more

    IT Professional for 13 years, since 2005 specialized in Linux servers for high availability, virtualization, tuning and hardening in Networking Services and Information Security. LPI Certified. 19 recomendations in LinkedIn. Here are some skills: Apache, Tomcat, MySQL, qmail, Postfix, Zimbra, Dovecot, Courier, SpamAssassin, AmaViS, Horde, Zabbix, Cacti, Nagios, Bind, OpenFire (Jabber), Squid, OCS, Samba, Storage, MediaWiki, iptables, Shell Script, RISC, SAN Network, Linux, tcpdump, KVM, VMware ESXi, JBOSS, Oracle, OpenLDAP, Active Directory, Zope/Plone, Joomla, Wordpress, nginx, Varnish, PHP, Windows Server, Red Hat Cluster  less

    zimbra-administration spamassassin zabbix mail-server-implementation virtualization linux-system-administration oracle-database-administration bash-shell-scripting clustering performance-tuning 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • UNIX / Linux Infrastructure Management Sr

    Highly accomplished individual with numerous skills to offer the electronic and information technology industry. Background includes a complete range of electronic development, computer programming, and machine automation experience. Proven strengths include exceptional organizational ability, productive capacity to deliver high quality … more

    Highly accomplished individual with numerous skills to offer the electronic and information technology industry. Background includes a complete range of electronic development, computer programming, and machine automation experience. Proven strengths include exceptional organizational ability, productive capacity to deliver high quality work, highly developed aptitude for attention to detail and team playing. Areas of strength include: • Unix Administration, HPUX, AIX and Sr. on Linux (RedHat, Suse, Debian, Ubuntu) • Very High skills on Clusters Environments, High Availability and High Processing. • High Skills on Virtualization, Vmware Admin, VMWare ESX/ESXi Admin, Oracle Virtual Machine Certified. • High skills on HPUX and Service Guard Clusters • Expertise on GPFS, xCAT, CSM, Tentakel, and SGE Softwares for High Performance Clusters. • Expertise on VoIP based on Asterisk, Linux Platform. • More than 13 year working with LAMP servers based on Linux and HPUX • Administration of IBM Storage, DS4xxx series, EMC, HP EVA Storage. • Electronic Development in various industries • Machine automation for industry area. • Configuration Management • Strong communication skills in RF and networks • Designer of Analog/Digital systems with micro-controllers and micro-processors • Proficient in various programming languages • System administrator of Windows Servers  less

    linux-system-administration virtualization unix-system-administration unix-shell vmware-esx vmware-administration clustering bash-shell-scripting network-administration voip-administration 00 more less
    • $11.11 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • ARGENTINA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • UNIX/Linux Systems Administrator

    I'm just starting my career on oDesk, that is why price per hour is so low. === Be the first to hire me! === What I would like to do as a freelancer at oDesk: - Provide Operating systems environment support for … more

    I'm just starting my career on oDesk, that is why price per hour is so low. === Be the first to hire me! === What I would like to do as a freelancer at oDesk: - Provide Operating systems environment support for Application/DB services teams - Automate routine tasks - machines should work, people should think - Reviewed and implemented High/Low level designs - Package Applications with RPM and automated OS installation/setup Projects I have been participating in which am I proud of: - Completed design and deployed four high availability clusters for Oracle databases and applications on Red Hat Enterprise Linux; wrote work instructions and trained services support specialists - Completed design and implementation for IBM AIX cluster based on p740, AIX 6.1 and PowerHA - Run a storage migration project, migrated Terabytes of data from old to the new Storage system without applications downtime  less

    aix ibm-pseries clustering unix-system-administration redhat-administration centos linux-system-administration virtualization asterisk network-administration 00 more less
    • $14.44 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • SLOVAKIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 3 TESTS
  • Web Ninja in Javascript, PHP, etc

    Unix and Windows Developer, with experience in the design of Web, Desktop, and Mobile applications, the administration, implementation and performance tuning of such, user interaction, performance tuning, hardware/software troubleshooting. Breadth of experience encompasses: Designing, developing, maintaining, expanding, and supporting … more

    Unix and Windows Developer, with experience in the design of Web, Desktop, and Mobile applications, the administration, implementation and performance tuning of such, user interaction, performance tuning, hardware/software troubleshooting. Breadth of experience encompasses: Designing, developing, maintaining, expanding, and supporting web applications (both pages viewable in a browser and XML web services in PHP, Perl, and ASP.NET), desktop applications in ASP.NET, mobile applications in Java on Android, and support of said technologies; developing project methodologies, and providing excellent customer support. A convincing and credible team player able to coach, motivate and mentor coworkers to win support for ambitious technical goals. Recognized by peers as an achiever, teacher, and mentor able to explain advanced concepts and principles to even the simplest of technically minded persons with patience and grace. Built migration system to transfer clients from outdated legacy billing system on a windows server to the new billing system on a Linux environment. Technologies involved included .NET in c#, ASP and ASP.NET, XML RPC calls, Perl workhorse daemons with php interfacing using almost entirely AJAX. Selected accomplishments include: Designed and developed control application on Android for a robotic glove used in physical therapy for quadriplegics which included special kernel modules written in native code to be able to use the custom built radio to connect to the glove. Built a framework in Perl that allowed administrators to quickly and easily migrate hosting accounts between servers, saving administrators and junior administrators thousands of hours of babysitting migrations and verifying that they were moved correctly and completely. Designed enhancements and features for an existing text-based RPG game which effectively doubled monthly income for the site. Required rapid learning of their system, patience in listening to project managers and players for accurate assessment of their needs, and implementation of features in an intuitive and easy to use way with extensive reporting and graphing for management, Developed high availability system which included global network scanning of millions of outbound emails per hour to watch for spamming and abuse leaving the ISP’s network. System gathered statistics and displayed them to management in real time up to the second.  less

    php object-oriented-php android-app-development asp.net .net-framework linux-system-administration mysql-programming clustering javascript jquery 00 more less
    • $100.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED STATES
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • Systems architecture. Senior .NET developer.

    Technical Lead/Senior Developer/Architect with around 8+ years of experience in developing web and window based applications. Experience in System Designing and Architecture. Have strong Analytical Skills. Skills: C#, ASP.NET, MS SQL Server 2005/2008, AJAX, JavaScript, JQuery, Web Services, XML, WCF, Silverlight.

    c# .net-framework asp.net javascript ajax jquery t-sql wcf microsoft-silverlight website-development clustering velocity-template-engine php smarty mysql 00 more less
    • $15.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BELARUS
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
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