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Upwork Cluster Computing Jobs Completed Quarterly

On average, 8 Cluster Computing projects are completed every quarter on Upwork.

8

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Cluster Computing Upwork freelancers typically receive a client rating of 4.68.

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Last updated: July 1, 2015

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  1. Axel M.

    Axel M.

    Sr DBA/Oracle,MySQL and MsSQL/Expert RAC,replication,Galera

    Argentina - Last active: 1 month ago - Tests: 2 - Portfolio: 3

    My goal is to give the best in any work. I have been working as dba from more that 10 years. I have big experience in MySQL (replication, backup, restore, AWS, tunning, performance,Heap, memchached,etc), Oracle (rac, clusterware, backup, restore, tunning, performance, develop, standby, eBS, Hyperion, patching, migration, logminer, etc.) and MsSQL (cluster, replication, SSAS, backup, restore, standby, tunning, performance, etc.) I was in a lot of big project that gave me big experience in lot of scenarios. I have experience in NDB and Galera too. I have big experience under RDS (AWS) too

    $15.56 /hr
    866 hours
    5.00
  2. Vsevolod Z.

    Vsevolod Z.

    Python developer, UNIX Systems and Networks Expert

    Ukraine - Last active: 1 day ago - Tests: 7 - Portfolio: 2

    Computer Science Master, since 2000 successfully held positions of * Web Applications architect, Python developer and security expert; * Chief Technology Officer (CTO), * Chief Information Security Officer (CISO), * IT manager; System analyst, Solutions architect, Advisor; * UNIX systems and networks engineer (16 years of experience); Specialties Networks architect (MPLS, VLAN, internal routing protocols, BGP), UNIX OS family, Juniper/Cisco network equipment, Firewall, Network and software security (covering Payment Card Industry Data Security Standard), Network services monitoring, Backup solutions, LAMP/FAMP/BAMP/LNMP/FNMP/EBLAMP/XAMPP/XNMPP servers, Database administration, DNS, MTA, Software development, Web applications, Cloud computing, Virtualization, Load balancing and High availability clusters solutions. Practically experienced in programming (since 1993). Good knowledge of the common programming languages: C, PHP, PERL, Python, Javascript, SQL. Familiar with OOP (object-oriented programming), general theory of programming (can quickly learn any new programming language).

    $50.00 /hr
    740 hours
    5.00
  3. Fikrat Azizov

    Fikrat Azizov

    Certified Microsoft SQL DBA with strong BI expertise

    Canada - Last active: 6 months ago - Tests: 6 - Portfolio: 6

    My core competency lies in SQL Server performance tuning/optimization, designing high availability solutions using replication,clustering,mirroring and log shipping technologies and designing Business Intelligence solutions using SSAS,SSIS,SSRS. My average performance improvement rate is 5000% and for some of my customers I've achieved up to 70000% of performance gain. I'm familiar with data modelling and warehousing principles and skilled on developing business intelligence solutions. I've designed data warehouse and several OLAP cubes for HR Management IS for FINCA,developed SSIS packages to populate them and developed set of analytic reports using SSRS.I've also developed performance metrics analysis solution on the base of SQL Server Data collection,SSAS and SSIS , which allows to easily analyze server's health and quickly spot problem areas. I have also about 20 years of programming experience.Using VB 2008,ASP.net 3.5,SSRS,SSAS,SSIS technologies I've developed and implemented a wide range of data driven desktop applications for various organizations. Good customer service is key for me, and no project is completed until you are satisfied, or l'll offer a full refund.

    Groups: Microsoft Certified Professionals

    $55.00 /hr
    1,108 hours
    4.89
  4. Sabin S

    Sabin S

    WordPress Expert, Web Developer, Sr. Web Server / Database Admin/Guru

    Nepal - Last active: 09/22/2013 - Tests: 14 - Portfolio: 18

    Over 14 years of SysAdmin / Web Hosting / Web Developer experience I believe that Communication, Deadline, Integrity and Commitment are vital to a project success. I am RHCE Certified. My Expertise are Install, Optimise, Tuning , Hardening Security & Troubleshooting 1) Linux Server: Centos, Redhat, Ubuntu, Debain, Fedora, Freebsd, Sun Solaris, Vmware ESXI V4/5, Xen etc. with Bash, Perl. 2) Amazon: AWS, S3, EC2, VPC, RDS, SQS, FPS, Simple DB, Load-Balance, Scaling, EBS, Route53, Webservices etc 3) VPS / Dedicated Servers Setup Secure Hardening Security : Godaddy, MediaTemple, Rackspace, Bluehost, Cloudfoundry etc. 4) Web / Application Server: Apache 2, PHP, suPHP, Python, Perl, Nginx, Lighthttpd, Tomcat 5.5/6/7, Oracle Application,IIS Server etc 5) Others: SSL Certificate, Bind DNS, Vsftpd/Proftpd FTP, Squid, GIT, SVN, Varnish, Memcache, eAccelators, Cloudflare, CFS, Fail2ban, (D)DoS Deflate, IPTABLES etc. 6) Database: MySql 4.1/5/5.5/6 , Postgresql 8/9.1, MSSql, Oracle11g Setup, Secure, Tunning performance, Troubleshoot, Repair, Replication, Cluster etc. 7) Control Panels & Graph: Plesk 8-11.x, WHM 11.x, Webmin 1.x, ISPCONFIG, DirectAdmin, PhpMyAdmin , PhpPgAdmin, MRTG, Cacti, Nagious, NewRelic, Boundary etc. 8) Mail Server: Qmail, POSTFIX, Exim, Sendmail, Exchange Server 2005/2007, Squirrelmail, Horde, PHPlist 2.10.x 9) CMS: WordPress, Magento, SugarCRM, Joomla, Drupal, Zencart, SocialEngine, Zen Cart, OS Commerce, vBulletin etc. 10) Backup Upgrade and Migrate Sites & Server: Wordpress, Drupal, Magneto, Joomla, Magento, PHP Mysql Sites, others Domain Name Server Setup, Domain Transfer with zero DownTime, Google Apps setup etc. 11) Clean Virus, Malware and Secure Servers and the Sites like WordPress,Drupal, Joomla, Magento, PHP Mysql site, etc. 12) Windows Server 2003/2008R2 IIS, DNS, Active Directory, VPN, MS SQL 2005/2008, FTP, Plesk etc. I have over 8 years of Expertise Designing UI, Coding WordPress and also developed and customised lot of PLUGINS, Themes, Widget, Feed, SEO, Cacheing and can also work with WordPress VIP Standard. I have also good knowledge of Genesis, Woo themes & ecommerce, Thesis, Canvas, PageLines DMS, Catalyst, Gantry, Elegant, Headway, iThemes, Themify, Seed etc framework. I code, secure and design a wide range of websites and software using Web 2.0 Strategist, HMTL , XHTML, JAVA SCRIPT, JQUERY, DHTML, AJAX, SEO, PERL, PHP 5 , MySQL 5, SMARTY, PHOTOSHOP, ILLUSTRATOR, JAVA 6, J2EE, Wordpress 3, JOOMLA, DURPAL, Magneto, Zen Cart, OS Commerce, vBulletin, SocialEngine 2 & 3, Clip-share etc You can see my experience details in my ODESK profile. If you need more about my experience please message me. Please feel free to contact me to discuss the project any time. I look forward to work with you in near future. Thank you, Regards, Sabin Shrestha

    Groups: Red Hat Certified, SocialEngine

    $22.22 /hr
    775 hours
    5.00
  5. Manoj Sonawane

    Manoj Sonawane

    Expert Linux, Unix sysadmin,devops

    India - Last active: 01/02/2014 - Tests: 1

    Hello, I am an experienced programmer & system Administrator with expertise in high performance system infrastructure, customized deployment solutions, configuration management, monitoring, python , Django development, REST based backend systems and related infrastructure support. I am in process of becoming Official Amazon Provider Network Member - Consulting Partner [https://aws.amazon.com/partners/overview/consulting-partner/]. Highlights: 1. Created an infrastructure with over 4000 servers (physical as well as cloud servers aws, rackspace and go grid) distributed in 4 regions , implemented monitoring, ha, replication, configuration management. Recruited a team of 3 sys admin's , trained them and supported platform 24/7 with 3 engineers. 2. Have worked with several technologies and scaled it for high volume with massive cost savings. 3. Created a unified platform to interact with multiple public clouds. ( aws, go grid , rackspace with custom python based system) 4. Designed a geo-distributed, full tolerant with a SLA of 99.99999 deployment and deployed it using Amazon Cloud, Rackspace Cloud,gofrid cloud and on physical servers 5. Designed a scalable storage system using open source and commodity hardware. I have managed large (4000+) servers for my employers and clients, which include GE, Wipro, Lehman Brothers & Glam Media. I have managed IT security for GE and banking sectors (built a DC and developer shop for Lehman brothers in china). I now offer remote system management consultancy and training services. I have attached my linked in profile and references if you need them. I have designed, developed and maintained large scaling, load-balanced and redundant infrastructure for many clients. Most of the infrastructure I have designed are, • fully automated (saltstack/puppet and deployment via various code deployment tools integrated with git or subversion) • auto-scale (on demand scaling) • auto-heal and auto curate • fully load-balanced • in required cases geo-distributed • Monitored with custom performance plugins, logstash, nagios, check_mk, zenoss This infrastructure architecture and deployments were in different environments • Dedicated servers at various isps • Virtualized Environment (Xen, KVM, VMware and others) • Public cloud: Amazon, Rackspace, GoGrid, and others • Private Cloud:= openstack • Different Business Verticals, • Ecommerce • Social Application (www.ning.com ) • Big Data Analysis and Analytics • Media (audio and video) • Online Advertising • Banking, • BPO / KPO Web Servers (Apache, lighttpd, Nginx, Cherokee) Load Balancers (HAProxy, Nginx, Pound, LVS, balance, Varnish, Zeus Load Balancer) Ruby on Rails (Phusion Passenger, Unicorn) Python (mod_python, uWSGI, gunicorn) Java (Tomcat, Glassfish, Jetty, Jboss) Database/DataStores (Mysql + variants, Postgresql, Oracle, Mongodb, Memcached, Redis, Riak, Membase/CouchDB, nd others) Data Analysis (Hadoop, Bigdata) Distributed File System (Glusterfs, Coda, Ceph, pVFS, Lustre, ZFS, OneFS, XtreemFS) Search (Solr, Lucene, Nutch, ElasticSearch, Lily, Katta) Caching (varnish, memcache, flashcache) Monitoring (Nagios, Munin, Icinga, Ganglia, cacti, ntop, op5, Zabbix, pandoraFMS, OpsView and others) DNS (bind, tinydns,) Mail (postfix/sendmail/qmail/exim, Dovecot/Courier) Security (Snort, Splunk, Samhain, OSSEC, OSSIM, Suricata) Centralized logging (rsyslog+loganalyzer, splunk, zlogfabric, octopussy, Samhain, Graylog2, Kibana, Log.io, OpenTSDB, Flume, Scribe CMS (wordpress, joomla, mambo, typo3, etc and other custom developed CMS) and many other applications and services Most of these infrastructure architecture are for high volume traffic web application or for massive computing requirements. I can help you in following way. • python, django, golang web app development, REST back-end • code deployment, automation • Efficient monitoring system and notification configuration • OS updated and performance tuning of kernel to support database & applications. • Backup solution to take backup and transfer to offsite. • A configuration management ( saltstack / puppet/ cfengine) and load balancing solution. • • Source control using git, svn • On call support.

    $33.33 /hr
    21 hours
    5.00
  6. Rishan Shahrier

    Rishan Shahrier

    Oracle Expert | Senior DBA | SCJP

    Bangladesh - Last active: 05/16/2013 - Tests: 6 - Portfolio: 1

    Over the last 5 years, I have gain extensive experience on Oracle technologies. My core competency lies in Oracle Database, Oracle Cloud Control, Oracle EXADATA, Oracle EXALOGIC, Oracle Active Data Guard, Oracle Virtualization, Real Application clustering, Oracle Advanced Security, Oracle Enterprise Manager, Oracle Virtual Manager, Oracle Secure Backup and Pl/SQL.

    $50.00 /hr
    0 hours
    5.00
  7. Vladislav Litvinenko

    Vladislav Litvinenko

    Wide range technologies system engineer

    Ukraine - Last active: 2 days ago - Tests: 4

    Unix technician with 8+ years strong experience in L2/L3 Platform&Application Support, VoIP engineering and Linux Courses Trainer qualification. * Sun/Oracle Certified System Administrator for the Solaris10 OS 1Z0-877/878 Skills: - Business-critical heterogeneous servers infrastructure management (4000+ machines) - VoIP soft-switch solutions implementation and all sorts of traffic flow issues investigation - Unix/Linux configuration, software updates and patching - Hardware diagnostics&replacement process management - System monitoring (OS, apps, database, storage, security, hardware, networking) - Redundant failover and distributed solutions implementation Specialties • OS: Solaris, RedHat/CenOS, FreeBSD • Services: Apache/IBMhttpd/Nginx, SJSAS/Tomcat/WebSphere, Vignette CMS, LDAP, FTP servers, MQ, Control­M • Virtualization: VMWare vSphere/Solaris Zones • Clustering - VCS/Cisco CSM/DNS • Storage: EMC/XIV SAN, NFS, VXFS/LVM/SVM, NetBackup/BCV • Databases: Oracle, MySQL • Networking: VoIP, DNS, routing, load­balancing, CDNs • Monitoring solutions: Nagios, OpenView, Collectd, Munin, Cacti, Gomez, Tivoli PerfViewer • Out­of­band access: iKVM switches/Raritan/HP iLo/Sparc aLom • Devices: Cisco CSM/ACE, Azul JCAs, various VoIP UAs, Quintum Tenor AX/DX • Scripting: bash, perl, c++ • VoIP: SIP soft­-switches, Asterisk, SER, RTP­proxy, FreePBX, FreeRadius, Call Shops, Billing • Ticketing systems: Remedy, Spark, Jira

    $15.00 /hr
    16 hours
    0.00
  8. Vishal K.

    Vishal K.

    Linux Admin

    India - Last active: 9 days ago - Tests: 3

    Linux Admin with more then five years of experiences. I worked with hosting company, corporate Training company and some live migrations. 1. Client :- Venus Garments (INDIA) Ltd. Migration from Windows Active Directory to Open Ldap Migration of 150 Windows Clients to Linux Migration of NComputing Devices from Windows to Linux 150 Clients Data Migration From Windows to Linux Configure open stack server Configure virtualizations server (KVM. VMWARE) 2. NIC (National Informatics Centre) PUNE Red Hat Enterprise Virtualization (RHEV 2.2 to RHEV 3.0) Migration Done In NIC (National Informatics Centre) Done Clustering Active/Passive over 2nodes Done Installation,Deployment and Troubleshooting of Hypervisors Live Migration Testing Network Bonding Done for Network Fail-over Device Multipating with SAN Storage Red Hat Clustering Done with HA LVM on RHEV manager Data Center Create for Testing , Production and Database

    $3.33 /hr
    0 hours
    0.00
  9. Ruslan Voitko

    Ruslan Voitko

    Senior Unix/Linux/Weblogic Engineer

    Ukraine - Last active: 1 month ago

    Specialties: • Operating systems (Linux, Solaris, FreeBSD, Windows); • Corporate solutions (Weblogic OAM/OIM/UCM/SES/Spaces/Collaboration/Discussion, WebShpere app/portal/process/dmgr/ihs, Tivoli LDAP, Veritas storage/cluster) • Network services (DNS, DHCP, NFS, SMB, proxy, apache, etc); • Integration, deployment, customization, automation, debugging, troubleshooting, monitoring, performance tuning; • Design and deployments of redundant/high availability environments involving clustering, SAN, etc; • Project management (2+ years experience). Personality: • Self-motivated with excellent stress-, time- and resource-management skills; • Strong learning abilities; • Excellent quality approach to work independently and in a team; • Analytic mind, creative thinking abilities and innovative approach; • Result- and customer-oriented; • Excellent writing and verbal communications skills.

    $20.00 /hr
    0 hours
    0.00