Qmail Freelancers

Showing 53 freelancers

Qmail Freelancers

Showing 53 freelancers

  • Technical Solution Architect in Linux and Opensource Tech

    Senior (Level IV) Linux System admin with over 8 years of experience in installing, maintaining & troubleshooting of 100’s of Unix/Linux systems, Mailing Solutions, Virtualization, Clustering, security software etc. I am a recognized expert in open source technologies and … more

    Senior (Level IV) Linux System admin with over 8 years of experience in installing, maintaining & troubleshooting of 100’s of Unix/Linux systems, Mailing Solutions, Virtualization, Clustering, security software etc. I am a recognized expert in open source technologies and contributor to the open source mailing system and Heartbeat clusters. I have been with CSC for 3 years. I am responsible for service and project delivery, and have been leading medium/large Infrastructure projects at CSC. As a solutions architect I have good all-round ability to juggle multiple projects and meet deadlines whilst at the same time comprehending complex and interdependent business processes. My technical expertise includes Solaris, Linux, Mail and Messaging technologies, Cluster Services, Virtualization technologies, NOC management, consulting, customer support, and internal help desk support. I have also demonstrated proficiency in optimization of legacy projects, Xen virtualization, software development, mass Red Hat-based deployments, HA Linux cluster design, Qmail clusters and NOC management in 24-hour support environments. I work in a challenging atmosphere for the interest of the company and have ability to identify and then deal with a client’s needs by translating them into appropriate technical solutions. Supports and delivered IT services based on ITIL processes, such as Configuration Management, Change Management, Problem management and Incident Management Specialties: I have extensive and in depth experience on Bind, Qmail, Sendmail, OpenVZ, Xen, LVS, openldap, heartbeat, RHCS and many more.  less

    ldap virtualization nagios linux-system-administration sendmail qmail clustering 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
  • Senior Linux Systems/Database Administrator

    I worked as freelance systems administrator through out college years, and worked as an Operation Engineer for Gawab.com right after graduation. I was responsible for managing a Linux based cluster providing email, web and database services on top of … more

    I worked as freelance systems administrator through out college years, and worked as an Operation Engineer for Gawab.com right after graduation. I was responsible for managing a Linux based cluster providing email, web and database services on top of a Xen based virtualized servers to Gawab.com's clients, based on various Open Source technologies and in-house developed solutions. I planned and executed a 0-down-time data center migration, managed a multi-server MySQL setups with complex replication and fail-over configuration and fully automated several internal complex operations. I also defined and implemented a new service monitoring and abuse/SPAM managment process for the company. I designed and implemented several scalable web and database infrastructure for Gawab outsourcing clients. My work involved working with several web and database load balancing technologies, monitoring, fail-over, backup and monitoring. And I wrote several automation and management scripts in Bash, python and PHP. I also have some experience with C and C++ and SQL. My technical interests include systems automation and management , cloud and virtualization technologies, scalable web and database architectures. I have years of experience working for Free/Open Source applications like: Apache, MySQL, PHP, Nginx, Nagios, Xen, postfix, qmail, iptables..etc.  less

    mysql amazon-ec2 amazon-s3 amazon-rds amazon-web-services postfix qmail lamp-administration database-administration python bash nginx nagios email-handling performance-tuning linux-system-administration ubuntu redis centos 00 more less
    • $28.00 HOURLY RATE
    • 5.0
    • 233 HOURS
    • EGYPT
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 3 TESTS
  • RHCE/IBM-AIX Cert/ VMware, SAN-NAS Storage Admin, Qmail, Apache .

    Summary: • 8 Years of experience in the Unix(Linux and IBM AIX), Storage, Virtualization( VMware ESx and AIX LPAR, DLPAR) Administration. • Currently started working as Freelance Engineer and available full time also. • Having experience of supporting Production Environment. I Was … more

    Summary: • 8 Years of experience in the Unix(Linux and IBM AIX), Storage, Virtualization( VMware ESx and AIX LPAR, DLPAR) Administration. • Currently started working as Freelance Engineer and available full time also. • Having experience of supporting Production Environment. I Was L3 support Unix Administrator and supported (3000 Server) at IBM Data Centre UK. • Having Experience of supporting Unix Clusters ( AIX HACMP Cluster) • Having Experience of supporting Storage Device Familiar with External Storage :- SAN, FASTt, DS4000, Analyzing Fast logs, coordinating with Storage team and providing HBA, FC details, WWPN details, and configuring LUNs in AIX host using SDD and AIX commands. Building Storage Device using Open Source software Like FreeNAS and Openfiler. • Familiar with VMware:- Installing and upgrading the ESX server (ESX 3, 3.2, 3.5. Installation of Virtual Infrastructure client and Virtual Center. Managing Virtual Machines using VI client, Managing ESX server using Virtual Center. Creating Virtual Machines, template, cloning. Moving VMs one ESX to another ESX host. Troubleshooting ESX server and Providing RCA for ESX server and coordinating with VMware support team over email/phone. ESX storage management. Familiar with ESX cluster. • Familiar with AIX Virtualization LPAR & DLPAR:- Creating LPAR Profile, assigning Memory, CPU etc… dynamically using Hardware Management Console • Familiar with AIX HACMP 5.3 Cluster: - Troubleshooting 3 node and 2 node cluster, cluster verification and synchronization, creating and increasing cluster file system, doing resource group failover using C-SPOC. If cluster service failed to make resource group online then manually making resource group online. • Familiar with AIX Virtualization LPAR & DLPAR:- Creating LPAR Profile, assigning Memory, CPU etc… dynamically using Hardware Management Console • Familiar with Advance Networking: Router Configuration, Firewall Configuration (IPcop). Designed and implementation Network for Web and Email Hosting Project. Current Project • Currently implementing Web and email hosting from the scratch. • Disaster Recovery Management :- Build Storage Device In Linux. • Built Qmail Server from Scratch • Built Web Server from the Scratch • Configured Call management using OS Ticketing System. • Developing onlinedigitallibrary web site. • Configuring OpenEMR for Hospital Management • Also I have well equipped LAB. Education: BCA, PGDCA, (MSc-IT) Professional Certification: RHCE and IBM AIX  less

    aix qmail mysql vmware-esx ibm-pseries firewalls linux-system-administration database-administration mail-server-implementation clustering network-administration ibm-storage 00 more less
    • $16.67 HOURLY RATE
    • 4.6
    • 0 HOURS
    • INDIA
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 5 TESTS
  • ✔ Sr. Network & System Administrator (UNIX,Linux,Cisco,Shell,Perl)

    Over last 8 years I have design & deploy wide range network and server system using Cisco networking, Open Source Operating System like Linux and BSD or Windows Server. My core competency lies in complete end-end management of network infrastucture. I … more

    Over last 8 years I have design & deploy wide range network and server system using Cisco networking, Open Source Operating System like Linux and BSD or Windows Server. My core competency lies in complete end-end management of network infrastucture. I am looking for opportunities to design, setup and maintain networking infrastructure. I have extensive experience in Perl/Shell Programming, open source server applications such as integrate and modify, TCP/IP networking, Cisco Switch and Router, IT broadcast equipment such as SAN/NAS video server, digital media editing, project management and documentation  less

    unix-system-administration linux-system-administration dns postfix qmail 00 more less
    • $20.00 HOURLY RATE
    • 4.6
    • 402 HOURS
    • INDONESIA
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 9 TESTS
  • AWS Architect/Engineer/Devops

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and … more

    Over the last 9 years, I have been working as technical support engineer/team leader/infrastructure architect for several large companies (hosting companies with more than 1000 of dedicated and several dozens of VPS servers, ecommerce application companies, small and large companies with different cloud setups from several to several hundreds of instances) My competency lies in planning, development, deployment and setup of new production environments, troubleshooting/support/improvement of existing production systems based on Linux/Unix. Have a lot of experience in automation/monitoring/backup of different distributed environments with LAMP stack and other applications, different clustering, scalability and high-availability techniques.  less

    linux-system-administration amazon-ec2 clustering bash apache-tomcat ftp dns centos ubuntu subversion atlassian-jira mysql nagios lamp-administration memcached git rightscale amazon-web-services unix-shell redis squid haproxy mail-server-implementation postfix qmail apache-administration project-management github version-control plesk load-testing devops 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 1143 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 2 PORTFOLIO ITEMS
    • 11 TESTS
  • Linux administration/ CCNA / Network administration

    In Linux platform i have experience in all kind of server configuration and maintenance experience such as DNS, Apache web server, sand-mail, qmail, postfix, samba server, Telnet , ssh, ftp, nfs, proxy, squid, iptables, ipchains, firewall, gateway server, server migration, home … more

    In Linux platform i have experience in all kind of server configuration and maintenance experience such as DNS, Apache web server, sand-mail, qmail, postfix, samba server, Telnet , ssh, ftp, nfs, proxy, squid, iptables, ipchains, firewall, gateway server, server migration, home directory migration, Storage management (RAID, LVM), Round Robin, Secure Socket Layer, php config, Mysql server, Server Backup , Shell Scripting. I have knowledge of ISP setup. Different types of monitoring tools such as MRTG, Nagios, Cacti, Zabbix. In windows platform i have experience in windows server 2008 administration All of the component of Active Directory, DNS, web , user management, Disk management, Quota System etc.  less

    manual-testing regression-testing unit-testing c mail-server-implementation cisco-routers linux-system-administration atlassian-jira atlassian-confluence vmware-administration zabbix nagios dns qmail apache-administration iptables squid postfix ssl cpanel firewalls sendmail rackspace-cloudservers amazon-web-services ubuntu openbravo-pos 00 more less
    • $11.11 HOURLY RATE
    • 5.0
    • 0 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 4 PORTFOLIO ITEMS
    • 4 TESTS
  • System Administrator / Web Developer

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to … more

    Over the last 5 years, I have developed a wide range of websites using HMTL, PHP and MySQL including sites for startup companies and small businesses. Also, I've provide solutions for email marketing, web hosting, email servers, everything to ensure security, stability and delivery. Experience in: - DKIM - SPF - rDNS - BIND - Postfix - PowerMTA - Amazon SES - Nginx - Zimbra And many more... I also have some experience in the following areas: SQL, Ajax, Ruby, Java.  less

    email-marketing html interspire joomla lamp-administration linux-system-administration web-design facebook-api social-media-marketing windows-xp-administration centos adobe-dreamweaver adobe-photoshop email-deliverability-consulting mail-server-implementation postfix iptables qmail google-apps google-analytics google-adsense libreoffice amazon-web-services css3 dns html5 00 more less
    • $27.78 HOURLY RATE
    • 4.9
    • 432 HOURS
    • EL SALVADOR
    • LAST ACTIVE
    • 3 PORTFOLIO ITEMS
    • 1 TEST
    ASSOCIATED WITH:
  • Experienced Windows Linux, Unix, Citrix, ESXi, Network Administrator

    Windows, Unix and Linux servers. Managing OS33 Cloud server, AWS, Deploying VDI, ESXi, Xenserver, Xenapp, XenDesktop, Avaya CallManager. Cisco, Netgear, HP Procurve, Fortinet, Watchguard, Sonicwall, Barracuda, Juniper Switch, Router, NSA configuration.

    linux-system-administration unix-system-administration qmail lotus-notes nagios vmware-administration adobe-photoshop adobe-illustrator technical-documentation technical-support windows-administration pfsense squid vmware-esx postfix citrix-xenserver citrix-netscaler 00 more less
    • $33.33 HOURLY RATE
    • 5.0
    • 5476 HOURS
    • BANGLADESH
    • LAST ACTIVE
    • 1 PORTFOLIO ITEM
    • 10 TESTS
  • Senior System Administrator, Security officer, Migration engineer, SSD

    SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January … more

    SUMMARY Specialties: Information Technology / Internet / IT Division / Computer security/ Internet Services / System Administration/ Webmaster Support / Web Analysis/ SEO / SEM / Internet Marketing Web hosting services (SSD hosting solutions) EXPERIENCE: d(-_-)b Linux/Windows system administrator, Operations team EuroVPS/WebDomSolutions January 2012 - May 2013 Greece, Athens Responsibilities: - Tickets; - System administration and monitoring. Theoretical and practical skills: - Operating Systems: RedHat/CentOS/Fedora, Debian/Ubuntu, FreeBSD, Windows Server 2003/2008; - Virtualization: Virtuozzo, OpenVZ, VMware, Onapp Xen, Apache CloudStack; - Setup/configuration: nagios, kayako, racktables, confluence, observium, nginx, php-fpm, liteSpeed, Apache CloudStack, Hostbill, WHMCS, redmine; - Control panels: Plesk, WHM Cpanel. - Database Administration: SQL Server, MySQL, MariaDB ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ <( -'.'- )> freelancer SEO freelance October 2010 - March 2012 (1 years 6 months) ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ o(^_^)o System Administrator / Techsupport Webintellects/Webhostgian/Jumpline/Webdomsolutions November 2010 - March 2012 (1 year 5 months) US, Ohio Responsibilities: - Live Chat support, Tickets; - System/Server/Control Panel administration; - Nagios monitoring; - Internet research and work with technical documentation. Operating Systems: * RedHat/CentOS,Fedora * Windows server 2003/2008 * VPS setup and configuration (Parallels Virtuozzo Containers); Advanced theoretical and practical skills in such areas: - Operating Systems: RedHat/CentOS/Fedora, Windows server 2003/2008; - Virtualization: VPS setup and configuration (Parallels Virtuozzo); - Security: Advanced knowledge of Linux security, Firewalls ( IPtables, CSF, APF, BFD, Fail2Ban), Encryption ( SSL), SSH, Host Security Auditing; - Software: Apache servers (versions 1.3.x/2.2), DNS (BIND 9), QMail, Sendmail, exim, LAMP, Plesk/Exim/Cpanel (installing/upgrading/maintaining), Drupal, Wordpress, Joomla, OsCommerce applications, Yum/RPM usage; - Database Administration: SQL Server 2003/2008, MySQL, MS access. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ b(^_^)d Internet Marketing Specialist || Web Analyst DCoM Soft, Inc. December 2009 – August 2010 (9 months) Responsibilities: - Internet Marketing strategy and tactics - Information architecture and Web site content planning - Research of partners - Internet Market Research - Research Usability Design - Online promotion of company's web-based products Skills: - Search Engine Optimisation (SEO) - Paid online Marketing / Pay per Click Management (PPC) - SEO Copywriting/Editing - Social Media Optimization and Marketing (SMO/SMM) - Experience running USA-targeted social Marketing - Writing press releases - Social networking (Twitter, Facebook, Google follow etc) - Google Products, AdWords/AdSense, Google Analytics, Webmaster tools, Google Merchant, etc. ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ \(^_^)/ Customer Relations Representative || Advanced Technical Agent Ecommerce, Inc. May 2007 – October 2009 (2 years 6 months) Responsibilities: - Sales, billing and technical support in solving problems reported by clients; - Chat, helpdesk system, correspondence; - View, Adaptation, "repair" clients' sites; - Basic server/service diagnostic and reports to sysadmin department; - Internet research and work with technical documentation; - Work in team. Basic theoretical and practical skills in such areas: - Linux / Unix OS, Windows server 2000/2003, Windows XP/98; - Servers: Apache, bind, sendmail, ProFTP, MySQL, SQUID / SOCKS, MSSQL, Samba; - Easy coding: PHP, PERL / CGI, HTML, JavaScript, CF, ASP,. NET, C + +; - Widely used protocols (HTTP, HTTPS, SMTP, POP, IMAP, FTP (s), TCP / UDP, etc); - HSPHERE control panel (versions 2.3 and 3).  less

    wordpress plesk cpanel joomla nginx php centos nagios mysql network-administration security atlassian-confluence virtuoso openvz vmware-administration fedora ubuntu bash seo sem ftp exim qmail postfix ssl linux-system-administration lamp-administration database-administration windows-administration project-management virtual-assistant tcp-ip internet-marketing network-security google-analytics redhat-administration css unix-system-administration unix-shell virus-removal apache-administration phpmyadmin red5 00 more less
    • $28.88 HOURLY RATE
    • 5.0
    • 764 HOURS
    • UKRAINE
    • LAST ACTIVE
    • 16 PORTFOLIO ITEMS
    • 20 TESTS
  • Web/Mobile Software Engineer/Developer

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration … more

    grow up into independent successful Web/Mobile Software Engineer/Developer > from hardware power supply up to public social clouds > imagine future trends looking right now around the roots > growing up and supporting internet web projects and 'ria' apps > providing integration for different types of solutions > establishing links and designing overview Software: Programming and scripting languages: script - ECMAScript, VBScript, JavaScript, JS Frameworks (JQuery, KineticJS, libcanvas) server side - Java SE, PHP, python, sh/zsh/bash, awk/sed/perl Development and maintenance of web applications based on: WordPress, Joomla, Drupal, Symfony2 framework, Yii framework SQLite, MySQL, Memcache PHP, XML, XSLT, HTML, CSS/JavaScript Servers administration: AWS EC2 instances PBAS, HSPc, Virtuozzo, Plesk VMWare ESX/vSphere Apache, MS IIS, Tomcat Qmail, Sendmail, MS Exchange, MailEnable MS DNS, Bind MS Active Directory Nagios, Zabbix, Bacula Database administration: Oracle, Interbase, MSSQL, MySQL OS Administration: MS Windows (Desktop&Server versions) Linux (RedHat & Debian based distros) HP-UX, Solaris Hardware: Designing and developing IT infrastructures: Public Telephone Networks, VoIP complexes local and distributed networks various connection channels (LAN, ISDN, xDSL, WiFi, broadband) Buildling, configuring, installing, maintaining servers (HP, Sun, Intel, Dell, IBM), network equipment (D-Link, Cisco), workstations Diagnostics and removal of hardware problems Workflow: Gathering, analyzing and documenting tech requirements, development tasks, product description; software re-engineering Participation in official public correspondence and other communications Planning and estimating  less

    security linux-system-administration ubuntu centos bash unix-system-administration hp-ux solaris-administration unix-shell windows-administration iis virtualization openvz vmware-administration vmware-esx lamp-administration ssh apache-administration nginx plesk whm cpanel dns ftp smtp database-administration sql mysql oracle-database mail-server-implementation sendmail qmail exim mailenable spamassassin amazon-web-services amazon-ec2 amazon-s3 technical-support helpdesk-support nagios zabbix website-development version-control git github oop html xhtml xml css php regular-expressions ajax javascript jquery drupal wordpress joomla network-planning network-administration tcp-ip firewalls iptables vpn openvpn project-management agile-software-development requirements-analysis asp.net-mvc google-analytics eclipse bacula software-testing software-qa-testing 00 more less
    • $12.99 HOURLY RATE
    • 5.0
    • 137 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 4 TESTS
loading