DNS Freelancers

Browse DNS job posts for project examples or post your job on Upwork for free!

DNS Job Cost Overview

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

Upwork DNS Jobs Completed Quarterly

On average, 40 DNS projects are completed every quarter on Upwork.

40

Time to Complete Upwork DNS Jobs

Time needed to complete a DNS project on Upwork.

Average DNS Freelancer Feedback Score

DNS Upwork freelancers typically receive a client rating of 4.83.

4.83
Last updated: July 1, 2015
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  1. Justin Catello

    Justin Catello

    Linux System Admin | Tech Support | cPanel / WordPress Specialist

    United States - Last active: 4 days ago - Tests: 2

    I have more than 5 years working as a Linux systems administrator specializing in management for cPanel based servers in both virtual and dedicated environments. Stronger areas: Operating Systems: CentOS / Fedora / CloudLinux Control Panels: cPanel / Direct Admin / SolusVM / Kloxo Billing Systems: ClientExec, WHMCS, HostBill Database: MySQL / MariaDB Web Server: Apache / LiteSpeed / Nginx Virtualization: OpenVZ / XEN / KVM Various Others: cPanel DNS Clusters, Any work including the following: Initial setup of the server which includes configuring software/hardware raid, disk partitioning(LVM as well) Installing OS, Control panel, hardening/optimizing the server including firewall, rebuilding Apache / PHP, setup private name servers, migrating accounts to the server, ensuring all sites are working and make adjustments to server if necessary, make further optimizations to server to best fit the current environment.

    $38.89 /hr
    18 hours
    5.00
  2. Luis fernando A.

    Luis fernando A.

    Linux Sysadmin and AWS Architect with huge web hosting experience

    Brazil - Last active: 9 days ago - Tests: 5

    I'm a creative and hardworking Linux System Administrator and Amazon Web Services Architect and developer. I've been supporting and delivering IT solutions especially for web hosting companies and its set of open source software (Apache, PHP, RoR, MySQL, HAproxy, iptables, OpenVPN and much more) since 2005. I've also worked at IBM managing a farm of more than 1000 Linux and AIX servers as well as its proprietary middleware (DB2, IHS, WebSphere and others).

    $50.00 /hr
    24 hours
    5.00
  3. Ivan Ershov

    Ivan Ershov

    Cloud Architect/Engineer/Devops / Linux Admin

    Russia - Last active: 23 hours ago - Tests: 11 - Portfolio: 2

    Over the last 10 years, I have been working as technical support engineer/team leader/infrastructure architect for the different companies with on-premise/cloud hosting. My competency lies in planning, development, deployment and setup of the environments from scratch, troubleshooting/support/improvement of existing production systems based on Linux/Unix with the focus on automation and high availability. 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. Operating systems: Debian/Ubuntu, Redhat(Fedora, RHEL, Centos), Suse, AmazonLinux Level of skill with Unix/Linux: RHCE MailServers: qmail, postfix, sendmail etc Databases: Postgresql, Oracle, Mysql, noSQL databases (Mongodb, Cassandra, Couchbase, Redis etc) Clustering: RHCS, terracotta, heartbeat, pacemaker, distributed balanced setups Programming, scripting languages: Bash, PL/SQL, Ruby Clouds: AWS/Tata/RackSpace/CloudStack/Openstack/Azure Automation: Chef/Puppet, RightScale, AWS Opsworks,CloudFormation etc Continuous integration/deployment: Docker, Atlassian tools, Jenkins, SVN/Git, Codebase etc. Loadbalancers/proxies: Clouds LBs, Haproxy, mod_jk, Squid, Apache, Nginx Application servers: tomcat, jetty, jboss, Apache, Nginx, different PHP-based servers Monitoring: Nagios, Zabbix, Newrelic, OMD etc English: fluent Availability: up to 30hrs/week

    $38.89 /hr
    1,776 hours
    4.96
  4. Ismet Dumlupinar

    Ismet Dumlupinar

    MCITP (System Administration), MCT, MCSA, MCSD: Web Applications

    Turkey - Last active: 1 day ago - Tests: 14 - Portfolio: 13

    Experienced System Specialist, MCSA/MCITP/MCSD. In-depth knowledge of business operations and Information Tecnology Systems, project management, enterprise system integrations and information security with over eight years with hands on experience as an Enterprise Administrator and Network Manager in Windows Server 2003 & Windows Server 2008 environments. Experience in hardware and software virtualization using VMware and Hyper-V and App-V. Practiced understanding Active Directory, Group Policies, NPS, NAP, Exchange, SQL Server, Dynamics CRM, ERP, PKI and DFS. Experience as a corporate Microsoft/Certification trainer at one of gold certified partners of Microsoft. Proficent in Server 2012 and 2008 (inc.Server Core edition), Hyper-V, switches and many other technologies. I have been highly involved in server virtualization for seven years and am proficient in both VMware and Microsoft Hyper-V. I am also providing consulting services for web applications. I am a member of DotNetNuke Corp Internationalization Team and I'm working to expand product features to fully support Turkish localization. I am always looking for new opportunities to develop my skills. Check my Microsoft Profile below: https://www.mcpvirtualbusinesscard.com/VBCServer/idumlupinar/profile

    Groups: Microsoft Certified Professionals

    $75.00 /hr
    2,380 hours
    4.90
  5. Sergiy R.

    Sergiy R.

    Linux System Administrator

    Ukraine - Last active: 18 days ago - Tests: 9 - Portfolio: 1

    I am an experienced System Administrator with a wide range of skills, including Linux servers administration, LAMP stack setup, OpenVZ and KVM virtualization, configuring services, working with version control systems and writing system maintenance scripts. I have a hands-on experience with Linux, including Ubuntu, CentOS, Red Hat, Gentoo and Debian distributions. I am able to code in OCaml, C, C++, Ruby (including Ruby on Rails), Bash/Zsh and read Java, Python, Haskell, Perl and Common Lisp programs. My most important virtues are: extreme responsibility, easy communication and attention to details.

    $40.00 /hr
    467 hours
    5.00
  6. Erik Geiger

    Erik Geiger

    Linux System Engineer

    Switzerland - Last active: 7 days ago - Tests: 12

    I've a great passion for linux systems and open source software. Since 2008 I'm working as linux System Engineer for a company, which is developing software that is provided to our customers as SaaS. For some clients we also provide installations "on site". This gave me great experience in working with CentOS and RedHat linux, puppet, kickstart, nginx as a proxy server, DRBD, database clusters using PostgreSQL with streaming replication, BIND, postfix, pki-authentication, bash-scripting and others. I'm also familiar with other linux operating systems like debian, ubuntu and gentoo. Buzzwords: puppet, linux, CentOS, debian, ubuntu, gentoo, nginx, nagios, bash, perl, DNS, BIND, email, postfix, postgrey, carp, DRBD, KVM, ssl, pki, x509, iptables, ipv6, PostgreSQL.

    $55.00 /hr
    36 hours
    5.00
  7. Stanislav Kotov

    Stanislav Kotov

    Network System Engineer/System Administrator - FreeBSD/Linux/Solaris

    Russia - Last active: 6 days ago - Tests: 7

    I am Senior network engineer/Architect searching job at free time (usually few hours/day). Now i am working at Cisco/Juniper Partner in System Integration Company. I have built projects for ISP: IP and/or IP/MPLS networks from small provider (up to 700 users, pure IP/L2) to nationwide backbone and broadband networks (IP/MPLS Core with BGP and complex TE, B-RAs). All the MPLS services: Internet, L3VPN, VPLS, L2VPN, mVPN; including InterAS and CsC cases. Participate on all project stages from presale (equipment choose and design) to implementation and documenting, and further high-level support for networks, usually remote. I know in detail and have big practice of various network technologies: Routing: BGP, OSPF, EIGRP, ISIS, LDP, RSVP TE, NAT (all cases) VPN: MPLS VPN, GRE (PPTP, DMVPN), IPSEC Security: Firewall - Cisco PIX/ASA, Juniper SRX access-lists/filters - CBAC/ZBF QoS: can develop and deploy you traffic classes, implement marking and queuing and shaping, policies and your needs, including multi-color policers. Deploying different main and complementary services for ISP on UNIX/Linux/Solaris/Windows platforms, including virtualized ones: DHCP, DNS, Radius, Tacacs+, Mail, HTTP servers, SNMP, j/netflow collecting, integration with billing systems, MySQL and other. Big experience in automation: building different monitoring, configuration, self-healing scripts also for large amount of devices using multitasking. Bash, Perl scripting Have big experience in Cisco/Juniper product line from small routers to top line (CRS/TX Matrix). Also know and have practice of using many network hardware vendors (Extreme/Foundry/Dlink/Zyxel/Huawei). Programming experience: Perl (many scripting mainly on UNIX), PHP (made full project for university for student contract system, using MySQL, Javascript also), Shell scripting - bash, awk, sed, beginning to learn Python, C/C++ - some small application and system programming, MFC (Microsoft Foundation Classes), can easily modify program code. Also have experience in Windows administration AD deploying till W2003. Huge experience of user support. The rate can be lower if project topic is interesting for me but i don't have corresponding experience for it. I am taking full responsibility of my work. Have strong tradition to make documentation on my work. If you have big projects, which requires presence in the site we can discuss it.

    $56.00 /hr
    8 hours
    4.82
  8. Oscar Bass

    Oscar Bass Agency Contractor

    Senior UNIX System Engineer, LAMP, LEMP, Network Security, Cloud.

    United States - Last active: 23 hours ago - Tests: 7 - Portfolio: 1

    Expert UNIX system administrator and network engineer. Got a problem? I can solve it! For more than 15 years I have been the I.T. backbone and support for many online companies. I use the most up to date standards for any project I am involved in. I work extremely quick and efficiently. If you have a problem let me help you solve it. OS: Linux - Expert, FreeBSD - Expert, AIX - Expert, HP-UX - Expert, Macintosh OS/X - Expert, Windows Server - Proficient Cloud services: AWS, Rackspace, OpSource, Linode Web servers: Apache, Nginx, Tomcat Database servers: Mysql, Postgresql Monitoring: Nagios, Monit, Munin, Cacti Scripting: bash, perl, shell Virtualization: OpenVZ, Xen, SolusVM Mail servers: Postfix, Exim, Sendmail, Dovecot Control panels: cPanel, Plesk, Direct Admin, Webmin/Virtualmin, ISPconfig, OpenPanel Other: standard network services (DNS, DHCP, LDAP, Samba, SVN/Git, http proxy, jabber, backups, monitoring etc), firewalls (iptables, ipfw, pf)

    Associated with: Bass Designs Agency

    $44.44 /hr
    289 hours
    4.96
  9. Serhiy T.

    Serhiy T.

    Linux, FreeBSD, Windows, Network, Apache, MySQL System Administrator

    Ukraine - Last active: 03/05/2012 - Tests: 12 - Portfolio: 1

    - Operating systems: FreeBSD, openSUSE, Red Hat, CentOS, Debian, Ubuntu, Gentoo, Windows: 2000/2003/XP/Vista/7, Mac OS X: 10.4-10.6 - Programming languages (basic level): Bash, PHP, Perl, SQL, C, Objective C, html - Network protocols: TCP, UDP - Network services: DNS, FTP, HTTP, HTTPS - Web Servers: Apache, Nginx, Tomcat - MTA: Postfix, Qmail, Exim - FTP Servers: Pure-ftpd, Proftpd, vsftp - Firewalls: ipfw, ipchains, iptables - Network tools: route, iproute2, natd, tcpdump, netcat, trafshow - Databases: MySQL, MSSQL, Redis - Network file systems: GlusterFS - Virtualization: OpenVZ, Xen, VMware, Virtual PC - Version Control Systems: Subversion - Control panels: cPanel, WHM, Plesk - Monitoring systems: Nagios, Zabbix, Monit, Munin, Cacti - Cloud services: Amazon EC2 - Bug tracking systems: Mantis, Redmine, Trac, Jira - VPN: Mpd, OpenVPN, PPTP - Other software: Squid, Samba, Bind, Radius, Varnish, HAproxy, Wowza Media Server

    $33.33 /hr
    44 hours
    5.00
  10. 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
    5.00