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136

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CentOS Upwork freelancers typically receive a client rating of 4.85.

4.85
Last updated: July 1, 2015
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  1. Denis C.

    Denis C.

    Expert System Engineer

    Moldova - Last active: 1 month ago - Tests: 9

    PROFILE – A self-motivated and committed system administrator with exposure to a wide range of technical areas, focused on delivering best experience to the end-users – Nine years of experience in administering business–critical application stacks such as banking software, middle-ware, billing systems, Telecom-specific applications; troubleshooting complex issues, managing both production environments and databases of highly respected companies – Performed upgrades planning, software developing and documenting the knowledge – Highly adaptable and quick to learn new skills – Six years of customer service experience MAIN TECHNICAL SKILLS O/S: HP-UX, SunOS, AIX, RedHat, CentOS, Debian – installation/configuration Software: MySql Server – installation/configuration Apache Web Server – installation/configuration Nginx – installation/configuration Apache Tomcat – installation/configuration Redhat JBoss Application Server – maintenance Oracle WebLogic Application Server – maintenance Oracle Tuxedo – maintenance Oracle Database – maintenance CVS – codebase maintenance HP Quality Centre – configuration/maintenance SSH Server – installation/configuration Telecom–specific Billing Applications (Amdocs Ensemble, Oracle BRM) – maintenance Oracle VM VirtualBox – installation/configuration Languages: Python – 1.5 years Perl – 3 years AWK – 4 years Shell Scripting – 5 years SQL (mysql and Oracle) – 4 years Java – 0.5 years PROFESSIONAL EXPERIENCE – Billing System Engineer, Team Lead (3 persons in submission): 2010 - 2013 – Software Developer: 2008 – 2010 – Senior System Engineer: 2003 – 2008

    $16.67 /hr
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  2. Scott Miller

    Scott Miller

    Dev/Ops Engineer

    United States - Last active: 08/01/2014 - Tests: 2

    I am a Dev/Ops Engineer most familiar with aWS, but I also have experience with Google Compute Engine. I have experience with automation, CI/CD and configuration management tools. I have a preference for using Ansible for configuration management. I am familiar with most of the AWS services and can help with any of your design and administration needs. I am also familiar with WordPress and have designed a fully scalable WordPress architecture.

    $55.56 /hr
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  3. Sibin Kumar

    Sibin Kumar

    Linux Systems Engineer (cpanel expert)

    India - Last active: 15 days ago - Tests: 2

    Am working in web hosting field for past 3 years. I have worked with different web hosting companies (Pacific Host, D9hosting, akooka etc). I am comfortable with all kind of Linux servers (setup, hardening etc) . Currently working as a tier 3 technician in a leading web-hosting company located at U.K. Familiar with: Software: WordPress,Joomla,phpmotion,clipbucket,Softaculous,fantastico,idera(R1soft), SolusVM etc Server side: Red5,cPanel,FTP,Mysql-Tuning,Apache-Tuning,Squid,OpenVZ,Zen etc Managing 1000+ Linux based servers using configuration management tools (Puppet) Installation/Troubleshooting of client side application and database systems. Perform database administration functions on MySQL database management systems, including general maintenance backup & data restoring. Mysql disaster recovery. General maintenance backup, data restoring and replication. Kernel recompilation, Server hardening, VPS container creation and assigning parameters Installation: Linux,Apache,MySQL,PHP(LAMP) etc from source as well as using package managers/repositories such as RPM, yum etc Troubleshooting(Centos,OpenVZ,cPanel,DNS,Apache,ngnix,litespeed) Handling DNS and its troubleshooting. Firewalls: Iptables, CSF, LFD, ASL All type of account migrations (using FTP mirroring, rsync etc) Basic bash scripting knowledge. Source code compile. Cloud Computing & AWS(basic concepts) Mysql administration(including backup) My linkin URL : linkedin.com/pub/sibin-kumar/2b/38b/722/en Control Panel: cPanel

    $5.00 /hr
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  4. John Giacalone

    John Giacalone

    Sr. Linux Systems Engineer

    United States - Last active: 17 days ago - Tests: 2 - Portfolio: 1

    I have over 10 years of experience in the field of System Administration of Unix and Linux servers. My experience includes: • Managing hundreds physical and virtual Linux/UNIX, Windows, and Mac servers • Managing SaaS services, user accounts, DNS, and e-mail systems • Configuring and monitor backups for hundreds of clients • Deploying code for test and production releases on JBoss and Tomcat servers • Managing and building VMWare ESX, ESXi, and vSphere 5 hosts and guests • Development of custom shell scripts to perform various tasks

    $20.00 /hr
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  5. Jose Luis Ruiz

    Jose Luis Ruiz

    Support Engineer

    Spain - Last active: 12/11/2014 - Tests: 1

    Telecommute / Work remotely from both Torremolinos (Málaga), Spain and Toronto, Canada Linux Administration and Maintenance (Debian/Ubuntu and Red Hat Enterprise 5.2., 5.5.) Amazon Cloud and VMware ESX Administration and Maintenance (Instances, Elastic Compute Cloud EC2, volumes, AMIs, snapshots, security groups, etc.) Postgres and Mysql Administration and Maintenance Queries, processing and scripting access.
DNS Management. Records creation A, CNAME, TXT, SPF, MX, etc. of over 30 domains LDAP Administration: Primary and secondary nodes, users, groups, roles management Bash/Python/Perl script programming.
Systems Securitization (iptables, patching, nagios, nmap, etc.) Services deployment (Apache, Tomcat, Postgres, MySQL, Rhino, Mobicents, Dialogic Media Server, Radisys Media Server, etc.) Applications (JAR/WAR) deployment in production environments (Tomcat and Rhino) PBX administration, Asterisk (database accessing, rules, triggers, etc.)
CMS Deployment and Management (Joomla, Wordpress, Dotcms) Support procedures definition for clients and partners.
Architecture design for global clients (France, Italy, Austria, USA, South America)
 Incidents Lifecycle Management and Optimization Nagios and Cacti Monitoring (Installation and configuration)


    $25.00 /hr
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  6. Hassan B.

    Hassan B.

    Telecommunication & System Engineering

    Pakistan - Last active: 5 days ago - Tests: 2

    Technical Skills of Installation, Maintenance and Troubleshooting of the LAN/WAN Network. I can install and work on different servers like DNS, FTP , Mail server MRTG etc. I also have experience on Asterisk Call center Server includes connectivity of the agents with the server 24/7 through LAN. I can Troubleshoot the Windows based Operating system and also have some Troubleshooting experience on Linux Operating system. I can work on Cisco Routers and Switches and have knowledge of VLANS. Routing and Switching Experience...

    $6.33 /hr
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