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  1. Robert F.

    Robert F.

    System & Network Administrator

    Poland - Last active: 11/29/2014 - Tests: 4

    System & Network administrator with more than 6 years experience. Skills: - OS: - Linux ( Mostly Debian ) - Windows Server ( MCSA Certificate for 2012 ) - Virtualization: - KVM ( libvirt, proxmox ) - XEN ( XEN Project, Oracle VM ) - VMWare - Hyper-V - Networking: - Routing, Iptables, Mikrotik, VPN ( IPSEC, OpenVPN ), VLAN, … - Network Services: - Apache, bind, postfix, iptables, nagios, drbd, ocfs2, more and more - Shell scripting: Bash, PowerShell - DB: MySQL, PostgreSQL, Oracle 11G - Hardware experience: - Servers: HP( ML, DL, Blade ), IBM ( X, Blade ), DELL, TK, Actina - Storage: HP, DELL, IBM, Infortrend - Tape Libraries - and more :-)

    $20.00 /hr
    11 hours
  2. Jayson Cena

    Jayson Cena Agency Contractor

    Linux(Debian/Red Hat),Oracle DBA, Linux Cluster Admin,Virtualization-H

    Philippines - Last active: 07/21/2013 - Tests: 4

    To obtain a position that will enable me to experience and learn new ideas on system administration like complicated enterprise infrastructure design specially high-availability and fault-tolerant infrastructres. My core competency lies in designing new system infrastructure using open-source software. I also have some experience in VB6, ASP, PHP.

    Associated with: ClusterFoundry Agency

    $26.67 /hr
    1,137 hours
  3. Alexander Markov

    Alexander Markov

    developer / administrator

    Russia - Last active: 29 days ago - Tests: 5

    Though I've been a programmer (C/C++, Python) back in the days and still able to participate, now I mostly do: IBM Power Systems AIX SAN Fabric(Cisco, Brocade) Storage (EMC, IBM, etc) Backup (Tape libraries along with enterprise software: TSM, Networker, etc)

    $55.56 /hr
    0 hours
  4. Mishari Muqbil

    Mishari Muqbil

    Highly experienced systems engineer, administrator and developer

    Thailand - Last active: 04/24/2013 - Tests: 16 - Portfolio: 4

    I have experience in: Performance Optimization, Client + Server Security, Server Virtualization, Programming (Python, PHP, C, Java, Javascript, JACK, Lisp, ASM and others), Debugging, Troubleshooting, Information Retrieval and Extraction and various others on mainly Linux, OSX and Windows For the last 15 years I have performed in the leadership role of Senior Systems Administrator, Senior Systems Architect, Chief Technical Officer, Lead Developer and various other at companies ranging from small startups to companies with thousands of employees. My philosophy is self sufficiency where I deliver to the client what they require by maximizing existing resource in order to be able to meet their requirements and solve their technical problems without any lock ins or waste. With my broad skill sets, I am highly qualified to advice and implement the best solutions for my clients and am able to step up to challenges where others have lacked the perception to do so.

    $100.00 /hr
    43 hours
  5. Tomislav K.

    AIX and storage admin

    Croatia - Last active: 20 days ago

    over 12 years unix experiance ( last 10 years only aix4.3.3, 5.3, 6.1, 7.1, lpars, vios, npiv, sea,ive, lhea, hacpm, nim,.. ), systemP ( p630, p660,p570, p750, p595, p770, s824, p870 ) nearly 10 years of EMC experience. Started with Clariion CX300, CX3, CX4, VNX5300 and vnx5600 in those days. I've used SnapView Snap/Clone/Mirror. Administering Symmetrix DMX2000, DMX4 and VMAX40k lately. Use TimeFinder Snap/Clone. Extensive use of Replication manager and AppSync for oracle with snap on storage for creating virtualy provisioned environments. Beside that I have nearly 5 years of IBM SVC, DS8800, Storwize V7000, DS5100, DS4800 experience. Use of FlashCopy with thin provisioned volumes. Monitoring and administering multy tiering luns ( FAST VP on VMAX40k, EasyTier on svc ) Over 10 years of Brocade FC SAN ( 3900, 5300) management. Administering of CUA ( Centera Universal Access/ cifs ) and DataDomain ( nfs/cifs ).

    $27.78 /hr
    15 hours
  6. Kaspars V.

    $44.44 /hr
    113 hours
  7. Paulo Arruda

    Paulo Arruda

    Linux System Administrator and Network Specialist

    Canada - Last active: 02/10/2014 - Tests: 4 - Portfolio: 1

    My 9 years of experience in Linux Server Administration and Deployment, and 15 years of experience as Linux User, should be of interest to a rapidly growing company like yours. I've been working for the past 9 years building all kind of servers: from SOHO file servers to large mail deployments in HA/Virtualized/Cloud environments.

    Groups: LPIC-2

    $80.00 /hr
    486 hours
  8. Ankur Jain

    Ankur Jain

    Experienced Customer service and Telephonic & Virtual Assistant

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

    Working in IT field since 2008 as Subject matter expert in Power systems (AIX, HACMP, VIO, PowerHA, HMC, GPFS, Hardware : Power4, Power5, Power6, Power7), SAN (Brocade, Cisco), Storage (IBM DS3000, DS4000, DS5000, V3500, V3700, V5000, V7000, SVC), Pure Flex, Bladecenter.

    $22.22 /hr
    0 hours
  9. Kundan S.

    Kundan S.

    System/Network Engineer

    Nepal - Last active: 9 days ago - Tests: 4 - Portfolio: 1

    I have been doing the system/network administration for last 6 years. My core area of work involves setup, maintain and troubleshoot system and network administration. I had successfully implemented and troubleshoot various system and network administration. My work platform includes (but not limited to ) Microsoft, Cisco, VMware, Citrix, Linux, IBM, SAN, Veritas etc. Below are the services which i have been providing to the organizations Microsoft platform : Active directory on w2k/w2k3/w2k8. IIS 6/7 web server/application server/file server/ smtp component for relaying. Certificate services as PKI in w2k/w2k3/s2k8. Visual SVN as subversioning and repository. Exchange 2003/2007/2010 and MDaemon for messaging solutions. WSUS, RDS, Terminal Services, Hyper-V DNS, DHCP, RRAS, Network Policy services. IPSec services PPTP and L2TP VPN Server. Kernel Debugging with Microsoft Debugger and kd tools SQL server 2008 Database administration. VBscripting for standalone and Active Directory environment. Linux services: LDAP with and without samba server. Qmail, postfix, Exim and sendmail as message transfer agent. Dovecot and courier as IMAP and POP3 server. smtp-auth, spamassasin, SPF with linux MTAs. Apache as webserver, apache and git as version control server . ssh server with and without password (with certificates and passphrase). VNC , screen as terminal services. oracle, mysql and postgresql on linux/unix. IPsec site to site and ssl vpn using freeswan, openswan and racoon. linux as firewall gateway using bash/perl gateway along with iptables, psad, and snort. bandwidth shaping policing services using htb and tcng. Voice server based on sip with h.323 support based on asterisk (trixbox, elastix, go-autodial ) with vicidial. quagga/zebra as advanced routing solutions. squid 2/3 cpanel/whm Amanda/zamanda/Bakula/rsync for backup services TCP Wrappers for hardening linux security. ext3/ext4/JFS on linux. puppet as configuration management. clonezilla. Debugging linux problems with signal trapping using bash scripts Networking : OSPF,EIGRP,RIP,BGP routing on cisco, juniper and open source in linux. Acess lists on cisco routers and security appliances (pix/asa). static and Dynamic NAT on cisco, juniper and open source linux/unix. L3 routing in cisco switches. SCCP/SIP in cisco CME, and call manager. INter vlan routing, site to site vpn, PPP/HDLC wan protocols, route summarization, equal/non equal cost load balancing. server virtualization on openvz, proxmox VE, KVM, XEN, citrix, vmware etc. desktop virtualization using citrix xendesktop and vmware view. App virtualization using citrix xenapp and vmware thinapp. user virtualization using citrix profile unity and appsense environment manager. ISCSI and Fiber channel based storage. IBM infosphere guardium for database security and data compliance CA identity minder and site minder. ...

    $11.11 /hr
    27 hours


    Linux/UNIX I/O development expert.

    United States - Last active: 9 days ago - Tests: 2 - Portfolio: 1

    I have been into Storage and Networking I/O development profession since 2001. Have been dealing with number of projects with different industry giants, like HP and IBM. I have 13 years of working on their storage and networking Software and Hardware products. I have been working major programming languages, C, C++ and JAVA in implementing different I/O software projects including , Device driver , kernel extensions, TCP/IP and Socket communication protocol developments, SNMP networking management software, SCSI and Fiber Channel storage software, Networking software projects etc. Apart from them I have expert level experience in following skill sets: SAS(Serial SCSI), SCSI, Fiber Channel, FCoE, NPIV, Virtualization, Multipath IO, IBM VIOS, Linux, IBM AIX, SCO UNIX , Storage RAID, Ethernet, NIC, SCSI, IBM PowerPC servers/blades, HP Proliant x86 servers/blades,PCI-e, IBM RAS, IBM HMC, PCI, PCIe, PCI-DMA, Multi threading, Test Automation, UNIX Shell, AWK, Clear Quest/Clear Case, CMVC, KDB(Unix Kernel Debugger), Familiarity with Embedded Software Development.. Have good familiarity with ARM architecture and deep assembly level device driver debugging.

    $22.22 /hr
    0 hours