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Upwork Cluster Computing Jobs Completed Quarterly

On average, 7 Cluster Computing projects are completed every quarter on Upwork.

7

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Cluster Computing Upwork freelancers typically receive a client rating of 4.70.

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Last updated: August 1, 2015

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  1. 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
  2. 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
  3. Vijay shankar U.

    Vijay shankar U.

    Datacenter and Cloud(IAAS) consultant

    India - Last active: 1 month ago - Tests: 3 - Portfolio: 3

    Available over the email or telephonic consulting on High level consulting for the existing state of your datacenter or building a new datacenter and looking for specific guidance on the compute aspect of DC planning. Disaster recovery planning and design. Datacenter risk assessment. Consulting solutions on the Infrastructure based cloud maturiy consulting advice. Specific technical consultancy on Solaris and Linux administration based solutions and quick fixes. If you need technical consultancy on TOGAF based enterprise assessment for the datacenter landscape. Architecture design for Solaris clustering and Geo clustering. I am also available to be speaker for datacenter or cloud based technical conferences, seminars.

    $45.00 /hr
    0 hours
    0.00
  4. Maros Bajtos

    Maros Bajtos

    Windows System/Citrix Engineer

    Slovakia - Last active: 15 days ago - Tests: 1

    18 months experience as developer C++ in small business company. 1 year experience as Network Infrastructure Admin in HP Global Services 1 year expoerience as Windows Admin in HP Global Services. 2 years experience as Windows/Citrix Admin Tier 3 in AT&T Global Services Now gathering experience as Citrix Engineer in Allianz Business Services.

    $8.89 /hr
    0 hours
    0.00
  5. Vishal K.

    Vishal K.

    Linux Admin

    India - Last active: 13 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
  6. Vu D.

    Vu D. Agency Contractor

    Senior Developer/Software engineer

    Vietnam - Last active: 12 hours ago - Tests: 7 - Portfolio: 1

    Over the last 6 years, I have developed a wide range of software system using JAVA, C/C++, PHP, Python, Erlang and MySQL, PostgreSQL including systems for startup companies (my own) and small businesses. I also have years experienced working as Linux system admin and security engineer. I am working to provide development outsourcing services, focus on OpenGTS include but not limit Installing, develop new modules, develop mobile application, system admin services. Let's take a look at my tracking system here: https://secure.gpshandle.com Android application: https://play.google.com/store/apps/details?id=com.umaps.gpshandleclient

    Associated with: Bazan Technologies

    $33.33 /hr
    1,806 hours
    2.91
  7. Maxim Vorobey

    Maxim Vorobey

    Senior Software Engineer/Architect

    Russia - Last active: 1 day ago - Tests: 3

    I am a web application developer specializing in PHP/JS with 15 years of experience. strong OOP knowledge, MVC etc Expert in LNMP, LAMP and MEAN stacks with high traffic. Intermediate in C, C++, Objective-C, Swift, OpenGL, GLSL, big data analysis. nginx, node.js, apache2, lighthttpd php (symfony, symfony2, zend2, doctrine2, bitrix) js (native, jquery, coffescript, angular.js, backbone.js, express.js). xhr, websockets. os: centos, ubuntu/debian, osx. db: mysql, postgre, mongo. clustering, replications. in-mem: rabbitmq, memcached, redis, sphinx. api: paypal, facebook, twitter, livejournal, vkontakte, jira, mailchimp, mandrill, zendesk, amazon aws. data scraping, data parsing saas, soap, rpc, rest, json phpunit, phpspec, tdd git, mercurial, svn agile/scrum: jira, redmine https://github.com/n3b

    $69.00 /hr
    2,870 hours
    5.00
  8. Bogdan B.

    Bogdan B.

    Sr Linux System Admin (Nginx, Magento, Percona, Mongo, Redis, MySQL)

    United States - Last active: 12 hours ago - Tests: 2 - Portfolio: 5

    - Linux maintenance/troubleshooting (RHEL, Centos, Debian), - Cloud hosting (Amazon EC2, AWS, S3, Digital Ocean), - Networking (dhcp, DNS:powerdns/bind/named, vpn: openvpn/pptp, firewalls: iptables/ipfw, qos, proxies), - LAMP/LNMP Stack - Mail servers (exim, postfix , antispam/ antivirus: clamav/spamassassin/amavis, courier, dovecot), - Bulk marketing (DKIM, SPF,DMARK,ADSP, high speed/inboxing, Interspire, PowerMTA), - Automation (puppet, shell scripting), - Automation Deployment (Capistrano) - Monitoring (nagios,Icinga, zabbix,Cacti,Graphite), - Magento Speedup, System Performance Optimization - Wordpress Performance Optimization - Mysql Perfomance Optimization, Replication - Full Disk Encryption / Remote Unlock /PXE unlock (Luks/DiskCryptor) - Load Balancer (haproxy)

    $38.89 /hr
    352 hours
    5.00
  9. John Wever

    John Wever

    Linux Systems Engineer & AWS/EC2 Expert

    United States - Last active: 1 day ago - Tests: 12 - Portfolio: 1

    Self-motivated systems engineer with over 10 years of experience in Unix/Linux systems administration. Strong troubleshooting skills and business acumen. Proven track record of delivering creative and cost-effective solutions. Enjoy designing scalable and highly available services. I provide remote, high-quality Linux systems administration services. I have extensive experience with Amazon's EC2 platform and have helped dozens of clients migrate their web sites and applications into the cloud. Available for on-demand support as well as on-going maintenance and monitoring contracts.

    $94.44 /hr
    1,198 hours
    4.93
  10. Pavel Petrov

    Pavel Petrov

    MCSE Lync/Exchange, MCSA Office365, MCITP Virtualization

    Russia - Last active: 7 days ago - Tests: 2

    System Engineer in Microsoft Technologies from Russia. My Skills: Server OS: Windows Server 2003, 2008, 2008R2, 2012 Desktop OS: Windows XP, Vista, 7, 8 Roles: AD, DNS, GPO, DHCP, IIS, WDS, WSUS Products: Virtualisation: Hyper-V, VMWare, failover cluster, MSSQL Cluster, VDI, FC, ISCSI, RD Farm, SCVMM 2008R2-2012 Exchange 2007, 2010, 2013 Lync front end server, Lync edge server, Lync mobility ISA 2004-2006, TMG 2010, TMG Enterprise Arrays Hardware: HP Storage Systems (MSA P2000, EVA P6000), HP Blade Systems HP Proliant Servers, HP Switches and SUN Switches.

    $20.00 /hr
    576 hours
    4.98