System Administration Freelancers

Showing 398 freelancers

System Administration Freelancers

Showing 398 freelancers

Browse System Administration job posts for project examples or post your job on oDesk for free!

System Administration Job Cost Overview

Typical total cost of oDesk System Administration projects based on completed and fixed-price jobs.

oDesk System Administration Jobs Completed Quarterly

On average, 17 System Administration projects are completed every quarter on oDesk.

17

Time to Complete oDesk System Administration Jobs

Time needed to complete a System Administration project on oDesk.

Average System Administration Freelancer Feedback Score

System Administration oDesk freelancers typically receive a client rating of 4.71.

4.71

Last updated: March 1, 2015

  • System Administrator, IT Security, Penetration Tester, Ethical Hacker

    I am a professional penetration tester / ethical hacker / IT Security Expert & over the past 7 years, I have been performing vulnerability assessment and penetration testing for local / international clients from around the world delivering according to the current industry standards … more

    I am a professional penetration tester / ethical hacker / IT Security Expert & over the past 7 years, I have been performing vulnerability assessment and penetration testing for local / international clients from around the world delivering according to the current industry standards and best methodologies (OWASP TOP 10, SANS TOP 25, CWE, OSSTMM, PTES etc.) Hire me to test or work on your Server or Network administration projects. I have great experience with Amazon cloud AWS EC2, Linux, Windows, MYSQL, VPN, VMware, Hyper-V, Shell script, Apache and Web and have been working with them for many years. I also have experience with Web Hosting and DNS servers. I’m ready to start working on your projects.  less

    penetration-testing system-administration linux-system-administration network-security security security-analysis security-engineering security-infrastructure web-services-development object-oriented-php 00 more less
    • $40.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • UNITED KINGDOM
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 6 TESTS
  • Sr. IT Engineer | Microsoft Expert

    Sr. Systems Engineer with 15 years hands-on experience in demanding IT environments. Full time freelancer focused on delivering results, 5 star service and only 100% customer satisfaction. Specializes in Microsoft-based IT systems, with excellent knowledge in designing and implementing highly … more

    Sr. Systems Engineer with 15 years hands-on experience in demanding IT environments. Full time freelancer focused on delivering results, 5 star service and only 100% customer satisfaction. Specializes in Microsoft-based IT systems, with excellent knowledge in designing and implementing highly available messaging and infrastructure solutions. My skills: Microsoft Technologies, Virtualization, Enterprise Software, Project Management, System Center, Information Security, IT Management, Exchange, Active Directory, VMware, Hyper-V, Antivirus, Storage, Backup, Disaster Recovery, Firewalls, Troubleshooting, Migrations. LinkedIn profile: http://mk.linkedin.com/in/vladimirpetrovicin Microsoft Transcript: https://mcp.microsoft.com/authenticate/validatemcp.aspx (Validate with ID: 815110 and Access Code: 070306986)  less

    microsoft-windows-server microsoft-active-directory system-administration microsoft-hyper-v microsoft-exchange-server microsoft-office windows-administration vmware-esx microsoft-hyper-v-server microsoft-sccm 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • MACEDONIA
    • LAST ACTIVE
    • 7 PORTFOLIO ITEMS
    • 9 TESTS
  • System & Network Engineer

    Hello. I'm System&Network Engineer with 8 years experience My main work is leader specialist in Internet Service Provider with a subscriber base over 70000. My additional work is Linux administration various projects at freelance exhange(install, service, troubleshooting … more

    Hello. I'm System&Network Engineer with 8 years experience My main work is leader specialist in Internet Service Provider with a subscriber base over 70000. My additional work is Linux administration various projects at freelance exhange(install, service, troubleshooting, etc) My network skills: knowledge level Cisco CCNP, CCNP SP, CCNP Security. Switching & Routing Core Edge level, Monitoring, Troubleshooting, Design, BGP, MPLS, VPN, OSPF, Security, QOS, service Cisco 65xx,76xx,37xx, 72xx, 28xx, ASR 1000 series and other series and vendors, network design and planning My administration skills: - Linux maintaince/troubleshooting: Debian, Centos, FreeBSD - Web technology (LAMP, LEMP, postgresql, postgis, memcache, rabbitmq, sphinx, ruby and python project,) - Linux serverside(iptables,postfix, dovecot, named, squid, DDOS-protection) - CI (ansible, jenkins, Team City), - Virtualization(ESX, KVM, XEN, openvz) - CloudHosting: Amazon, Hetzner, Digitalocean - Backup/Migration - Monitoring (cacti, nagios, zabbix, monit, munin) - Programming: shell, python, Training Courses: Cisco CCNP SP + Architecture ASR 1000 and 9000 Series Cisco CCDP  less

    cisco-routers network-administration system-administration unix-system-administration linux-system-administration cisco-ios mikrotik-routeros debian-os 00 more less
    • $18.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 5 TESTS
  • System Administrator (IT Professional)

    Extensive Experience and Skills gained through establishing and developing full IT projects, networks and infrastructures from initial conception to completion. Experience covers customer liaison, design, testing to successful implementation within budget, scope, timescales and process limitations. Extensive LAN, WAN, Hardware … more

    Extensive Experience and Skills gained through establishing and developing full IT projects, networks and infrastructures from initial conception to completion. Experience covers customer liaison, design, testing to successful implementation within budget, scope, timescales and process limitations. Extensive LAN, WAN, Hardware, Software experience. Working cross-functionally within a customer focused, multi-site environment, maintaining the delivery of IT services and technology projects. Up-to-date in IT developments.  less

    isa-server activex security system-administration network-administration google-apps microsoft-hyper-v 00 more less
    • $11.11 HOURLY RATE
    • 4.5
    • 944 HOURS
    • PAKISTAN
    • LAST ACTIVE
    • 6 PORTFOLIO ITEMS
    • 9 TESTS
    ASSOCIATED WITH:
  • HTML5/CSS3/JS/eCommerce/3D Modeling/Product Design/Prototypes

    Hi, My name is Andrew. In my portfolio, are a few of the sites that I've developed and manage, some 3D stuff. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to … more

    Hi, My name is Andrew. In my portfolio, are a few of the sites that I've developed and manage, some 3D stuff. I believe my strong points are my Creativeness and Punctuality. My #1 goal will always be to meet your needs and deadline. When working on a new project, I like to speak with the client, so that I can have a clear understanding of his/her needs and vision of the project. I'm honest and fair. My competencies lie in installation and configuration of CMS as well as Graphic Design and 3D Modeling & Prototyping, JS, HTML5, СSS3. Additionally, I am an experienced Autodesk & Adobe Products user especially in 3D Modeling and Drawing. Currently I am interested in getting not boring job. I am open to new offers and long-term partnership. Ready to Represent your Business in Belarus. Please take a look at my work history for comments from other clients. Thank you in advance for your time and consideration. I look forward to working with you soon.  less

    wordpress magento opencart html5 css3 javascript adobe-photoshop autodesk-inventor product-design system-administration 00 more less
    • $11.11 HOURLY RATE
    • 4.9
    • 1360 HOURS
    • BELARUS
    • LAST ACTIVE
    • 13 PORTFOLIO ITEMS
    • 4 TESTS
    GROUPS:
  • System administrator / PHP (backend) developer

    • Experience in high-load systems. • Cluster solutions, experience in VMware (vSphere, vCenter, ESX). • Experience in OS: Linux (RedHat/CentOS/Oracle Linux/Ubuntu), FreeBSD, Mac OS, Cisco IOS, Windows. • Understanding the principles of basic network services (DNS, DHCP, HTTP, IMAP, POP, SMTP … more

    • Experience in high-load systems. • Cluster solutions, experience in VMware (vSphere, vCenter, ESX). • Experience in OS: Linux (RedHat/CentOS/Oracle Linux/Ubuntu), FreeBSD, Mac OS, Cisco IOS, Windows. • Understanding the principles of basic network services (DNS, DHCP, HTTP, IMAP, POP, SMTP, SMPP), OSI, TCP/IP. • Administration and configuration: apache, nginx, haproxy, memcached, twemcache, dns, ftp, nat, dhcp, samba, ipfw, squid, sendmail, exim, dovecot, vpn, ntp, ssh, openvpn, ipsec, nagios, zabbix, sphinx, other Unix systems. • Development: PHP, Perl, shell (bash, sh). Databases: MySQL, PostgreSQL. • Web-design and administration of Web-servers. • CMS experience: Bitreex, Drupal, Joomla. • Excellent knowledge of basic computer platforms: PC, Apple, server equipment. • Excellent knowledge of Unix - installation, settings, administration. Experience in CISCO. • SMS experience, protocol SMPP. • Experience in PBX Avaya, Panasonic, Asterisk, VoIP, AddPac.  less

    linux-system-administration freebsd unix nginx apache-administration haproxy memcached dns mysql system-administration 00 more less
    • $15.00 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • RUSSIA
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
  • IT Consultant / System Administrator and Developer

    Over 7 years hands-on proven experience on Linux System Administration and Maintenance focused on BI & Big Data Solutions, Data Quality Management, Systems Integration Development with different Landscape Scenarios (Development / Production). Also worked as BI & BigData Consultant / Developer. Skills and Expertise … more

    Over 7 years hands-on proven experience on Linux System Administration and Maintenance focused on BI & Big Data Solutions, Data Quality Management, Systems Integration Development with different Landscape Scenarios (Development / Production). Also worked as BI & BigData Consultant / Developer. Skills and Expertise: - Linux System Administration (RHEL, Suse, CentOS, Debian, others) - Linux Server / Services (Tomcat, HTTP, Nginx, LAMP, DHCP, SSH, SFTP, Samba, IPTables, Hadoop, others) - Programming Languages (Java, ShellScript, PHP, SQL, Perl/CGI) - Database (MySQL, Postgres, MongoDB, DB2, Sybase ASE)  less

    linux-system-administration business-intelligence hadoop java sql amazon-ec2 system-administration etl big-data cloudera 00 more less
    • $44.44 HOURLY RATE
    • NO FEEDBACK GIVEN
    • 0 HOURS
    • BRAZIL
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 2 TESTS
  • IT manager and business consultant

    From 2003 until now I got a two job positions. I work like system administrator and IT manager. I work in hospital / health industry. I administrate 350 clients PC's, HIS (hospital information system). Partly I am IT manager too … more

    From 2003 until now I got a two job positions. I work like system administrator and IT manager. I work in hospital / health industry. I administrate 350 clients PC's, HIS (hospital information system). Partly I am IT manager too. I have to project new healty systems and technology. Skills : administrator - primary Linux OS - LAMP (Linux, Apache, MySQL, PHP ), samba sharing networking, IT manager - I am team leader for 4 college, we project and design websites, APPs for Android. Actually we start up this project.  less

    system-administration computer-networking lamp-administration it-management network-engineering 00 more less
    • $20.00 HOURLY RATE
    • 5.0
    • 0 HOURS
    • CZECH REPUBLIC
    • LAST ACTIVE
    • 0 PORTFOLIO ITEMS
    • 0 TESTS
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