Zimbra Administration Freelancers

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Zimbra Administration Job Cost Overview

Typical total cost of Upwork Zimbra Administration projects based on completed and fixed-price jobs.

Upwork Zimbra Administration Jobs Completed Quarterly

On average, 6 Zimbra Administration projects are completed every quarter on Upwork.

6

Time to Complete Upwork Zimbra Administration Jobs

Time needed to complete a Zimbra Administration project on Upwork.

Average Zimbra Administration Freelancer Feedback Score

Zimbra Administration Upwork freelancers typically receive a client rating of 4.78.

4.78
Last updated: August 1, 2015
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  1. Goswami Bakul

    Goswami Bakul

    System Administrator with Virtulaziation Expert

    India - Tests: 2

    Over the last 8 years, I am working as a System Administrator and having good knowledge of Windows Server, Active Directory, Mail Server, Vmware Virtualization, Windows Virtualization, Zimbra Email Server, VDI Deployment in Vmware and Windows Server 2012, Virtual DataCenter, etc..... Also having good knowledge of Server Hardware IBM,HP,Dell,etc Having a good knowledge of Solution base project, If any client require custom solution for their IT infrastructure I provide the solution.

    $5.00 /hr
    0 hours
    0.00
  2. Aleksey Maksimenko

    Aleksey Maksimenko

    System and network administrator

    Russia - Tests: 2 - Portfolio: 2

    Good day! I am network administrator Aleksey Maksimenko. I have experience in network administration for more than 10 years. I can solve common network tasks, but i can make research work for unique scenario too. My credo always be to meet your needs and deadline. Also i have skill of configuring for Windows and Linux servers. I can configuring mailing services, VoIP, billing app and web servers. Since 2010 i am growing my experience of develop failover and high available systems. Listed below are my experience and skills. Protocols and technologies: OSPF, EIGRP, IS-IS, VRRP, HSRP, RSTP, MSTP, EtherChannels, IGMP snooping, DNS, DHCP, NAT, QoS, Traffic Filters, DMVPN, DynVPN. Platforms: Juniper SRX EX MX, Cisco ASA ISR Catalist. Mikrotik and HP ProCurve Wireless: Ruckus, Aruba, Moxa, Cisco. Seamless roaming. Services: LDAP, Radius, Crypto. Business communications: SMTP, VOiP.

    $22.00 /hr
    0 hours
    5.00
  3. Thang K.

    Thang K.

    System Administrator & Security Researcher

    Vietnam - Tests: 8

    Have over 8 years in IT/Security fields with deeply experience. I use Linux/MacOS all the time and doing server stuffs such as server configuring, system optimizing, service integrating as well as troubleshooting. My core knowledge is about networking and security. I also understand web development/programming on LAMP platform, and making some automated-tools as needed.

    $22.22 /hr
    311 hours
    0.00
  4. Hygor J L Cardoso

    Hygor J L Cardoso

    Linux SysAdmin

    Brazil - Tests: 1

    I am a Linux Sys Admin with extensive experience in support and installation of Linux servers and data centers for Infoplace. I have more than 7 years of experience in supporting companies in various segments, totaling approximately 200 servers installed. In this role, I was managing two teams, one with three people in Linux support and other with four people in microcomputers support. I was responsible for client relationships and worked directly with the small, medium and large companies support and critical servers. I have much experience with supporting and creating solutions for companies of all sizes, local and remote, with different distributions (CentOS, RedHat, Fedora, Scientific Linux, Ubuntu, Debian), in various environments and types of equipment. Now I'm living in Brazil, but when I have been in Los Angeles for 2 mounths for vacations, I saw a rising up city in my area, so I believe that a remote job would be the best option to start this process, that can soon live and work in los angeles and improve more my skills and contribute to improve for your company too.

    $33.33 /hr
    0 hours
    0.00
  5. Tushar C.

    Tushar C. Agency Contractor

    Linux Admin| Zimbra| Postfix| ODoo| VSTO| Mobile Apps|Javascript

    India - Tests: 2 - Portfolio: 7

    I am developer/administrator believing in Open source technologies and providing cutting-edge solutions easing the professional and social life designing need specific solutions. Expertise : Administration, Consultation and Customization of Zimbra and OpenERP/Odoo as private Cloud based solution. Email Migration from various other mail solutions to Zimbra: Office 365 to Zimbra Exchange to Zimbra Dovecot Postfix to Zimbra Squirrelmail to zimbra Gmail to Zimbra Yahoo to Zimbra Building an automation script for migration. Android and iOS Mobile application Development. Technology Stack Java, C#, PHP, Python, Javascript, HTML/CSS, MySql, Objective C, Shell Script Android, iOS

    Associated with: SilentInfotech

    $22.00 /hr
    218 hours
    4.89
  6. Sajjan Bhattarai

    Sajjan Bhattarai

    System Administrator

    Nepal - Tests: 9 - Portfolio: 2

    I've been in IT industry since last two years. I've solid understanding and experience of system/network administration, IT Security and software development/engineering. My major skill sets include Linux administration (CentOS 6/7), Virtualization (Vmware & XenServer), Storage, Networking (Cisco & Juniper), and Scripting (Bash & Python). Beside these, I'm also very good in web application development (PHP, Javascript, CSS, HTML, jquery). I'm a graduate in Computer Networking and IT Security from London Metropolitan University. Along with my technical skills, I've excellent command of English language and communication skills.

    $10.00 /hr
    0 hours
    0.00
  7. Manish S.

    Subject Matter Expert in System Administration

    India

    Technically sophisticated & result driven professional with ITIL 2011, MCSA, RHCE & CCNA with nearly 6 years of experience in Networking and System Administration/ Support. Along with qualifications in M. Sc in Computer Science Technology & Post Graduate Diploma in Computer Application.  Insightful experience in implementation, operations and support functions of mission- critical business solutions using IT as a tool.  Well developed skills in providing technical solutions based on various Operating Systems, Applications Concepts & Servers, cutting across a broad range of Networking/System Technologies.  Demonstrated strengths in maintaining the entire IT Infrastructure at client site covering all issues related to SW/HW & Networking. Exposure to administration across multiple locations.  Competent in planning, implementation, configuration and maintenance including troubleshooting. Recognized as an important resource in a team.  Acknowledged performer with high analytical, interpersonal skills and problem solving skills. Excellent communication skills, enriched with logical reasoning.  An effective communicator with strong team management, leadership, analytical and coordination abilities Systematic and organized with quick adaptability to changing trends and processes. Proficient in English & Hindi. System/Networking Projects o Leading the team of technical professionals during the development stages. o Managing IP allocation and ensuring minimal downtime of machines. o Installing and configuring the hardware/ software/ mail servers, ensuring optimal performance. Technical Support/ Troubleshooting o Conducting periodic reviews with the customer and analyzing calls and their trends to take proactive measures to reduce knowledge-based calls. o Suggesting improvements in the operations and processes to make the system foolproof. Technical Skill Set Operating Systems: o 06 years Windows Servers (2008, 2003,2000) o 05 years Linux (SuSE, Redhat, Centos, Debian, Ubuntu) o 04 years MacOS X (Desktop) o 02 Years Fortigate Product Support i.e. 60C, 80C, 200D Microsoft Network o Knowledge of Implementation of AD, Domain Controller, MS Exchange Server, MOSS. o Implementation and performance tuning of Windows 2003 Server environment for client’s operations. o ADS like “creating child domain, OU’s, replication, creating and maintaining user accounts”. o Managed systems configuration and maintenance, problem troubleshooting, system and program security. o Managed Applications and program management, planning and directing upgrades, and testing operations to ensure optimum system functionality. System/Networking: o Complete understanding of TCP/IP, UDP, ICMP. o Network troubleshooting, LAN IP Accounting & Various Server configurations o Physical network maintenance and upgrades & Basic switch and router maintenance o FortiGate Firewall working Experience, i.e. 60C, 80C, 200D. o DHCP , SNMP , Load Balancing , MRTG, IPTraf, TCPDUMP etc. Security: o Advanced knowledge of Linux security o Secure internet services, with squid Proxy and Iptables firewall. o Security Policy Designing, Implementation o Firewalls (Iptables, Netgear, IP Filter, Fortinet) o LAN/WAN security, Network/Host Security Auditing, Vulnerability Scanning (Nessus). Software: o Apache HTTP/HTTPS servers (versions 1.3.x/2.0). o DNS (BIND 4/8/9) POP, IMAP, IMAPS. o Mail Services (Postfix, QMail, Zimbra, Postfix, MS Exchange 2007&2010) o Antivirus Packages (Symantec Endpoint Protection, Trend Micro PC-cillin ) o X Window System (configuring servers, desktops, application servers, XDM) o Packages & Tools (SCSM 2012, MIIS, MOSS, Sugar CRM, Vtiger CRM, JIRA, Joomla) Database Administration: o MySQL, MSSql (Installation, Configuration, Backup schedule, ) Programming/Scripting: o Intermediate level, mostly systems automation and maintenance tasks. o Batch & Shell scripting. Hardware: o Met with Vendors to provide new technology (Software, Hardware, Tools, and Device) to enhance the Windows network architecture o All forms of x86 hardware (from laptops to quad Xeon CPU servers) o Cisco routers/switches/terminal servers o Lots of co-location facility experience, large server installations, racking, power management, etc

    $8.89 /hr
    0 hours
    0.00
  8. Vijay Kumar N

    Vijay Kumar N Agency Contractor

    AWS Cloud & System Admin

    India - Tests: 3 - Portfolio: 14

    Having 2+ yrs of experience work on installation, configuration, monitoring of cloud based Infrastructure for various enterprise products and systems. Below is the quick summary of my career: ============================== Having good knowledge in Hadoop, NOSQL, AWS Having good experience and knowledge on LDAP and Identity Management Installation Experience in Automation ,Monitoring and Infrastructure management Good knowledge on Public and Private Cloud Exposure of SAAS,PAAS and IAAS Good knowledge on Application servers and web servers Well Experienced in email services and installation Having Experience in Middleware Technologies Good Experience in different OS installations Having knowledge on Ruby on rails Having good experience in installation of CMS and DMS Well experienced in installation of Version Control tools Having experience in installing Webmin, Puppet Technical Skills =========== Virtualization: ESXi, VCenter, Xencenter, Xenserver. PAAS Infrastructure : openshift Bigdata: Hadoop, Pig,Hive, DBMongo Cloud and Virtualization: Amazon,Ec2,VPC,Load Balancing, Private Cloud: Openstack,Cloudstack Public Cloud: Openshift,Stratos,Heroku,Engine-Yard,Startos FTP: NAS, Samba,Confluence,Jira,Juju. Integration : WSO2 ESB and Apache Camel Email service : atmail,zimbra Middleware: Jbpm (JPDL and BPEL),wso2 process server), RabbitMQ, JCA, SCA Application : Web services (WS-*), SOAP,wso2 application server CMS & DMS : Joomla,Drupal,Magento,Wordpress,Alfresco Web & Portal : Liferay Version control and continuous integration: Jenkins,SVN,Maven Identity and Security mgmt : WSO2 ,SSO, openLdap,fortress, openIDM,wso2 identity server Application Server: Jboss,Wso2 Monitoring: Nagios,cpanel,Plesk Load Balancing: Mod_jk,Apache Tomcat,Nginx Project & Project Management Experience: =============================== Bizruntime IT Services Pvt Ltd: Internally projects with WEH and GCS Infotech Pvt Ltd. WEH: Software Engineer Work on LDAP and Identity Management Work on Amazon, EC2,VPC,Load Balancing,Route53. LDAP Synchronization with Liferay Worked on AWS instances. Worked on SSH-keygen Worked on Cloning the instance from one region to another region. GCS Infotech Pvt Ltd: Software Engineer Worked on Load balancer using Mod_jk,Apache tomcat,Nginx Worked on email services like atmail,zimbra Worked on mysql clustering,postgres Installation of Puppet and Webmine Worked on RabbitMQ Server BizRuntime IT Services Pvt Ltd: Software Engineer Work on Cloudera Installation Installation of Different OS Worked on Version Controllers Worked on SSH-keygen Working on Private Cloud Like..Openstack,Cloudstack, Virtualization of servers Worked on local installation of atmail and Zimbra configured email services. Working on Monitoring tools Like..Cpanel,Nagios,Plesk Worked on OSB for Virtualization purpose Working on Oracle Fusion Middleware Like..SOA using JDeveloper

    Associated with: HRO IT Services Pvt Ltd, Bizruntime IT Sevices Pvt Ltd

    $22.22 /hr
    1,584 hours
    5.00
  9. Herbert Seman

    Herbert Seman

    IT Ops/Linux System Administrator

    Philippines

    - 10 years solid system administration experience in a multi-national companies. - 4 years of being an IT consultant for small and medium companies that requiring IT systems and infrastructure solutions. - 12 years hands-on experience in linux systems including CentOS, Ubuntu, Redhat Note: I'm new to this Odesk so I'll set my hourly rate to minimum for now to get some clients.

    $10.00 /hr
    5 hours
    0.00