Network & System Administrators

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  1. Hisham Faraj

    Hisham Faraj

    IT Infrastructure & Support Administrator

    Lebanon - Tests: 1

    Operating Systems: Windows 98/NT/XP/Vista/7/8 All Versions, Windows 2000 Windows 2003 Server, Windows Server 2008, Windows Server 2012 ,MikroTik Os (Router Os), PfSense Firewall Os , FreeNas NAS OS, MAC OSX. Networking: LAN Protocols (IP, DNS, DHCP, NFS, IPv6), WAN Technologies, FTP, SMTP, web access with certificates, Active Directory Services, Network Cabling, VPN, Wireless, CCTV, Access Cards. Hardware: IBM, Dell, Gateway, Toshiba, Compaq, HP, Epson, D-link, Linksys, 3M, Net Gear,QNAP , Memory, Modems, Motherboards, NIC, PCMCIA, I/O devices, Networks Devices, Routers Switches, SAN, Peripherals, Cabling, Printers, Scanners, NAS Drives, Firewalls, Laptops, Desktops and Servers. Software: MS Exchange 2003/2010, Active Directory, Terminal Services, IIS, MS Office 2003/2007/2010/2013, MS ISA 2004,MS Forefront Threat Management Gateway, MS Windows 2003 SBS,Apache Web Server, WAMP Server, Bitnami, ColdFusion ‘Basics’, Dreamweaver ‘Basics’, VMware Workstation, Various Backup & Migration Software (Acronis), Various Antivirus, Business Tools: HR Related software (attendance management) & Microsoft Dynamics Installation and Administration. Parking Management system installation and administration. Spice works installation and administration. (Helpdesk, remote assistance, IT & networking Inventory). Good Knowledge on Jail breaking IOS Systems (iPhone 3-4-5, iPad). Firmware upgrades & updates of all Android Devices (Samsung, HTC and Sony) & Blackberry devices. Application installations and minor fixes for the above phones. Arduino programming and assembly of arduino electronic projects.

    $10.00 /hr
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  2. Peng Liu

    Peng Liu

    Mobile Developer

    Finland - Tests: 5 - Portfolio: 4

    Mobile developer, Communication Networking & Electronic fan. I have done many Android development projects, the most interesting one AllConnect now has over one million downloads in Google Play Store. Interested in multimedia home networking and have understanding of networking protocols. I have my master's degree of Networking Technology in Aalto University, Finland. I am now here to seek for some part-time work related to Android/iOS mobile development and computer networking.

    $16.67 /hr
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  3. Mark Matatquin

    Mark Matatquin

    IT Professional

    Philippines - Tests: 2

    I’m confident my 11-year experience in the IT industry, training, and proven ability as an Infrastructure engineer will allow me to significantly contribute to your company's IT division. I have acquired valuable experience in all facets of troubleshooting, installations, and maintenance for various Network and System infrastructure. I possess a unique talent for delivering highly complex technical information into terms and concepts that the end users can readily grasp. Furthermore, I am multi-tasking oriented, enjoy a challenge, and continually stay abreast of the latest advancements in the IT field.

    $10.00 /hr
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  4. Prakash Jha

    Prakash Jha

    Asst. Manager (System Administration)

    India

    Network Administration:-  Maintaining network and network equipments.  Trobleshooting network equipments like loadbalancer,Firewall  Maintained the network and coordinating with ISP in case of network related issues.  Ensuring maximum uptime of network.  Monitoring Network traffic using PRTG monitor.  Maintaining,Adding,Deleting firewall rules. System Administration:- Linux Server Administration  Maintaing and configuring various servers like Webservers (Apache & Tomcat), proxy server, mail server(Sendmail),Imap Server,Production servers,RHN Proxy server,DNS(Master and Slave),DHCP  Maintaining regular health check of all the servers and preparing reports for the same. Application Maintainence and Deployments  Code Checkout with the help of CVS and Compling the code with Netbeans.  Deploying the compiled code on Test and Production servers (Deployment)  Maintainece of Production servers and solving live issues related to production servers or apllication.  Creating tomcat instances for hosting application.  Loadbalancing of Virtual host(Apache) using mod_jk and tomcat instances. Security Auditing  Maintaining a team of Auditors responsible for Daily and Monthly security audits  Auditing and Maintainence of datacenter,firewall and Proxy server and creating daily report of it.  Working on centralized log monitoring tools like Nagios,Lightsquid,Splunk..  Sever Security (Linux security Recommendations)  Upgrading Patches on all Linux servers and Production servers using RHN Proxy server.  Monitoring Disk space, performance, memory utilization,quota for Prodution servers. Windows Server and Desktop Administration  Maintaining a team responsible for Desktop troubleshooting and Windows server administration.  PC assembling, troubleshooting, routine checkup and cloning  Preventive maintenance. And Inventory Management.  Having knowledge of LAN, WAN, TCP/IP, security, routing, terminal services, and remote services.  Installing and configuring IP addresses and subnets (DHCP Servers)  Installing and supporting the mail clients like Lotus Notes.  Configuring, troubleshooting desktops, laptops, printers and scanners.  Diagnose problem related to H/W and Updating softwares as per the requirement.  Working on Active Directory and windows server 2000,2008  User management, Group management and Assigning Quotas.  Remote services and TSgateway. Backup server and Backup Strategy  Defining a backup strategy for Daily,weekely and montly backups for server and user data.  Automating the backup process using scripts  Preparing a report on the backup server and submitting to the IT Director. Database Creation and Maintainence  Creation/Maintainence of Oracle 11G Database.  Taking Full Backup of the database using RMAN and restore using RMAN and cold restore.  Maintaining and Creating Standby Databases  Syncing all the Standby Databases with production database.  Applying new schema changes,Creating new Schema’s on Oracle server.  Maintaining Health Checks,performance and uptime of oracle server.  Installing and Creating MYSQL Database  Performance tuning of mysql database  Backup and restore of mysql database. Virtualization using EXSI  Working with EXSI 5.0/5.1 Severs.  Working on High Availabilty,Vmotion and DRS for all the EXSI hosts.  Maintaining all the EXSI hosts using Vcenter.  Modifying an Exsiting Guest system using Vmware Converter.  P2V conversion.  Adding new datastore and sharing it with all the EXSI hosts. Disaster-Recovery Planning  Lead Role in Disaster Recovery planning  Creating a Disaster Recovery Site and Scenario  Syncing all the Production Server with the DR-Server.  Maintaining the Database in sync using Block Level/Oracle Level replication.  Maintaining and Updating the Documentation for DR-Site and Changes made to DR-Site  Quarterly testing the DR-Site with Mock Failover.

    $30.00 /hr
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  5. Tejpal Rawal

    Tejpal Rawal

    ASP.Net Senior Software Developer

    India - Tests: 4

    More than 8 years experience in web applications development, maintenance and deployment using Microsoft technologies (ASP.NET, C#, VB.NET, WCF REST Services, AWS Api's, EC2, CDN Storage, SQL Server, LINQ, IIS). Having experience on app febric cache implementation, worked on CDN Storage, AWS api's Also have strong Knowledge in HTML, CSS, JQuery, XML with special skills in debugging and third party libraries (Telerik, DevExpress, Infragistics etc), implementing payment gateways. Experience in development sites from scratch, re-factoring existing software, re-writing ASP sites to ASP.NET ones.

    $18.00 /hr
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  6. Valeria G.

    Valeria G.

    Software Architect / Developer, Java/J2EE, Android, Web, Gis

    Belarus - Tests: 3 - Portfolio: 1

    I have more than 4 years of experience in web-development using different technologies. My primary skills include Java/Java EE, Spring Framework, Hibernate, JSP/Servlets, PostgreSQL, MySQL, Oracle, ExtJS, JQuery, JSON, XML/XSLT, HTML/CSS, Maven, Jboss, Glassfish, Tomcat, Android SDK, GNU/Linux. I have also extensive experience with GIS Analyst, Flex-ActionScript web mapping applications working with ArcGIS Desktop and Server platform,OpenLayers, PostGIS, Geoserver,GeoTools, GDAL and etc. I have worked on everything from front-end web interfaces to desktop applications, to console applications, to back-end databases and system integrations. I am also familiar with many other languages and always try to select the best tool for the job. My first goal and priority is to make sure my all clients are always happy with my service. I understand them and their project requirements which helps me to do everything within my clients budget and time.

    $10.00 /hr
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  7. Patrick M.

    Patrick M.

    Technical Analyst / DBA / Programmer

    Philippines - Tests: 1 - Portfolio: 1

    Hi, thank you for viewing my profile. You can call me Trex. I have 4 years Industry experience as programmer using Microsoft .NET. I have develop Systems like, TimeKeeping, Payroll, Enrollment system. I also develop some applications in a BPO company mostly reporting systems. Part of my portfolio are, developing windows applications, web applications, and MS SQL administration. I'm a Microsoft Certified Professional. On top of my 4 years experience above, I (currently) have 2 years experience with Servers and Networks and Databases. I want to deliver projects and help people with their needs. Looking forward to work with you. Thanks, Trex

    $11.11 /hr
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  8. Andry S.

    Andry S.

    Unix System Administrator

    Indonesia - Tests: 6 - Portfolio: 1

    Im a Unix System Administrator, I have 5 years knowledge about unix system, works many times with oracle expert engineer, have knowledge and experience with symantec veritas volume manager, exalogic elastic cloud, Solaris 10, Solaris 11 and familiar with Red Hat. I have integrity, willing to learn and work, try my best to give the best result. I also have a sufficient knowledge about TCP/IP, NFS, ILOM, XSCF, ZFS, VxVM, VxFS, SVM, and many more.

    $10.00 /hr
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  9. Oleksii Kochkin

    Oleksii Kochkin

    Senior System Administrator

    Ukraine

    Extensive experience in system and network administration: - Linux (Redhat/CenOS and Ubuntu), - Windows (AD, SQL, Exchange) Storage systems sizing and deployment: - HP EVA - EMC - Netapp FAS Routing and switching (BGP, OSPF) - Cisco - Vyatta Virtualization of servers and desktops: - Citrix (Xenserver, VDI-in-a-box) - VMware (VCloud stack, View/Horizon)

    $33.33 /hr
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  10. Luis Alejandro Martínez Faneyth

    Luis Alejandro Martínez Faneyth

    Python/Django, Web developer, Linux Expert

    Venezuela - Tests: 2

    Over the last 5 years i have been working as a GNU/Linux OS Developer, focusing on Shell scripting, Python/Django coding, web development and linux adminstration. My detailed skill list can be summarized as follows: * Python scripting (data processing, database consulting) and Python UI. * Shell/Bash scripting and task automation. * Python/Django/PHP web development. * Web interfaces design (HTML5, CSS3, JQuery). * Web servers (apache, nginx, lighttpd) * CMS deployment (Wordpress, Drupal, Joomla, Plone) * GNU/Linux troubleshooting. * GNU/Linux administration/maintenance. * Virtualization (KVM, Xen). * Versioning systems (SVN, Git, Bazaar) * Debian Packaging. However, if you would like to hire me to help you in a field that is not listed here, i have no problem in learning and adapting fast.

    $5.56 /hr
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