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Last updated: October 1, 2015

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Ionut Cadariu

Ionut Cadariu

Unix/Linux System Administrator


Perform routine maintenance (log monitoring, patches, upgrades, hardware monitoring, etc) * Ensure the functioning at peak performance, recommend and implement solutions to improve performance * Perform installation and troubleshooting of systems and/or applications, solving problems as to ensure application consist maintaining and patching the productive servers. Negotiating downtime and preparing the systems. * Maintenance and administration of post-installation configuration scripts

$10.00 /hr
0 hours

Goran Štimac

Goran Štimac

Linux admin/Software developer

Croatia - Tests: 9 - Portfolio: 2

Linux administration and automation are the things I'm most passionate about. I currently work on a highly available, load balanced, network of 500+ Linux machines. My daily work includes deployment automation with Ansible and Chef, ELK stack administration, Different HAProxy-LVS-Keepalived balancing setups, etc. Having worked as a Java and a .NET developer in the past, my skill set also includes working with WinForms, Webforms, MVC, WPF, ADO.NET, Entity framework, SQL Server, SOAP web services, REST, Spring, Maven... Other skills: SQL Server, MySQL, ElasticSearch, Crystal reports...

$15.56 /hr
222 hours

Roman Gorshunov

Roman Gorshunov

UNIX/Linux Systems Administrator

Slovakia - Tests: 3

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

$14.44 /hr
8 hours

Tigran Budaghyan

Tigran Budaghyan

Linux System Engineer, Politehnica University of Bucharest

Armenia - Tests: 15

Linux System Administrator System engineer Network administrator Computer security Database administration IT Consulting Operating Systems: Linux (Debian/Ubuntu, CentOS/RHEL), Windows, Windows Server, Cisco IOS, Cisco ASA, Fortigate Web servers: Apache, Nginx Databases: MySQL, MsSQL, Oracle, MS Access Mail servers: Postfix, Exim, Sendmail, Dovecot, ClamAV, SpamAssassin Networking: TCP/IP, NAT, VPN, DHCP, Firewall, Routing, iptables, FTP, SSH, Active Directory, Domain Controller Virtualization: xen, kvm, virtualbox Scripting: bash/sh, vbs Backup: rsync Monitoring: Munin General Computer Skills: Microsoft Office (Word, Excel, PowerPoint)

$15.00 /hr
1,074 hours

Mohamed Zain

Mohamed Zain

Sr Linux Systems Engineer | Dev/Ops | Open source integration Engineer

Egypt - Tests: 10 - Portfolio: 3

+7 years experience install / manage and operate linux servers on a high scale machines infrastructure , open source solution consultancy using Nginx / PHP-fpm,MySQL,Kannel SMS Gateway,Memcache/Redis, Couchbase ,ElasticSearch / Solr Nagios/lcinga/munin, Puppet, Chef, Bash Scripting, PHP, Ruby, Vagrant, Docker , Git, AWS , VOIP, Asterisk also i have experience in load&stress testing and security vulnerability assessment

$25.00 /hr
72 hours

Duminda Karunaratne

Duminda Karunaratne

System Administrator

Sri Lanka - Tests: 3 - Portfolio: 1

I am the member of the MIS team and covering all release managements and server operations. I currently handle ESXi and ESX server farm in Australia and USA. • Have experience installing, maintaining and troubleshooting VMWare servers.  ESXi and ESX Vsphere servers.  Installing, maintaining iSCSI software. (OpeanFiler / OPEN-E / HP LeftHand) • Have experience installing, maintaining and troubleshooting MS Windows Server 2008 and 2003.  Installing, maintaining and troubleshooting domain controller.  Have experience in Active Directory maintaining and troubleshooting.  Customizing Group Policies.  Scheduling Backups.  Domain Replications.  DFS Replications.  Installing, maintaining and troubleshooting IIS 7 and 6.  DHCP Server installation, maintaining. • Have experience installing, maintaining and troubleshooting MS Office SharePoint Server 2007 and 2010. • Have experience installing, maintaining and troubleshooting MS Exchange server 2010. • Have experience installing, maintaining and troubleshooting following software firewalls.  MS ISA Server 2006.  Untangle (Open Source)  SmoothWall (Open Source) • Have experience installing, maintaining and troubleshooting PLESK control panel and Cpanel. • Have experience installing, maintaining and troubleshooting UBUNTU/ CentOS / RedHat / SUSE Linux / Sun Solaris servers.  Installing Apache Server, Virtual hosting, Apache SSH configurations and Apache failover clustering.  Installing MySQL Server, MySQL data base replication and failover cluster.  Installing FileZilla FTP Server  Scheduling cron jobs.  ISC DHCP failover clustering. • Have experience installing Windows 7, Windows XP, UBUNTU, KUBUTU, and Fedora. • Have experience working with Amazon cloud computing and Soft Layer cloud computing. • Have experience in installing, maintaining and troubleshooting wireless network. • Can maintain and troubleshoot LAN environment. • Have experience installing MS SQL 2008 and 2005 servers. I’m maintaining daily backups in MS SQL servers and database management. • Have Experience installing and maintaining CISCO ASA 5505 Firewall, CISCO Routers and CISCO Switches.  Routing Protocol RIP, IGRP, RIP v2, EIGRP, OSPF  Creating Vlan  Nating  Creating VPN

100% Job Success
$16.67 /hr
542 hours

Pavel Mlejnek

Pavel Mlejnek

System support analyst 4 years experience.

Czech Republic - Tests: 2

Hello, I can offer you high quality Customer/Technical service, server and network administration. At the age of 18 I started to work as a desk clerk in Hotel where acquired my communication skills as I was dealing with customers every day whether on the phone, Skype or in person. Two years later I began my IT career as a system administrator in small company, administrating local network consisting few machines with Windows XP, Windows 7 , Debian operating systems, and Windows Server 2003. Two years later I moved to Athens, Greece in order to work for Microsoft as a 2nd line Technical/Customer support, resolving issues with applications, performing software upgrades, analyzing crash dumps, migrating user accounts etc... Most of the time I spent on phone/chat with customer while remotely managing customers machine. Apart from that I was official MS Social Media and forum moderator and quality controller of the rest of Czech Technical support department staff. Currently I am working as Windows, Linux and HPUX Server Administrator in enviroment hosting more than 5000 servers. My main tasks are maintenance of servers (including configuration of new servers), run OATs, perform backups and restores and resolving services and application issues. Apart from that I am also responsible for patching and server security.

$15.00 /hr
0 hours

Salman Umar

Salman Umar

Senior Consultant UNIX/Linux/Oracle/Storage Infrastructure


Sun Solaris/HP-UX/Linux/AIX Administration and implementation for Telcom and Large FSI in Pakistan HP/MS/Oracle/Sun/Juniper/Emerson/FalconStor/SAP R2, 10 years’ experience Storage designing, Administration and implementation HP/HDS/EMC. 8 Years’ Experience. Tier 3 & 4 Data Center Operations. 4 Years’ Experience Emerson Network Power Commissioning and Project Management 3 Years MS Windows Servers Administration all version. 15 Years’ Experience HP/SUN/IBM/Oracle enterprise hardware support and services on 24x7 basis 15 Years’ Experience Operating System Oracle Enterprise Linux, RHEL, Solaris, HP-UX , AIX. 9 Years’ Experience Databases Oracle 9i,10g,11g, RAC 11g , Dataguard, Grid Control. 5 Years’ Experience Hardware Platform Oracle Exadata, Oracle ODA, HP Enterprise Hardware, IBM Hardware 2 Years’ Experience. VMware/MS Hyper-V Virtualization Blade systems Matirx Experience 8 Years’ Experience Clustering Software RAC, MC Service Guard. 8 Years’ Experience Cloud and Converge Infrastructure VDI Xendesktop, Citrix Backup Software Data Protector 6.0, Symantec , EMC 8 Years’ Experience Backup Libraries EML, MSL, Autoloader.10 Years’ Experience Storages HP StorageWorks, Enterprise Virtual Array, HP 3PAR, MSA, HDS, EMC VNX. 7-8 Years’ Experience Languages Shell Scripting. 10 Years’ Experience Support and Service 24x7 17 Years Storage Migration 5 Years Fluent in English, Punjabi, Urdu, and Sindhi Education: B.Sc. Final Semester of MCS Computer Science. Certified HP ASE StorageWorks, HPASE Networking, HP technical Architect ArcSight, HP CSE HA/Virtualization/Network Security, Oracle EXADATA, Oracle RAC, Oracle Linux, Sun SPARC T4, MCSE, MCSA, MCTS, SCO CUSA, Juniper JNCIA, JNCIS. Solaris 10 Administration, Trainings: EVA Singapore, Falcon Store CDP Malaysia, Oracle Exadata USA, Juniper Netscreen Firewalls UAE (Dubai) Courses: CISA, PMP, CRM, HP Pre-Sales Academy 2014, ITIL v3, Oracle DBA/Exadata from Oracle University. Project: 40 projects commissioning included MS/HP/SUN/Oracle/Juniper infrastructure from initiation to completion as per PMP/ITIL best practices for IT services industry.

$22.22 /hr
0 hours