System Administration Freelancers

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System Administration Job Cost Overview

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

Upwork System Administration Jobs Completed Quarterly

On average, 30 System Administration projects are completed every quarter on Upwork.

30

Time to Complete Upwork System Administration Jobs

Time needed to complete a System Administration project on Upwork.

Average System Administration Freelancer Feedback Score

System Administration Upwork freelancers typically receive a client rating of 4.74.

4.74
Last updated: May 1, 2015
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  1. Charlie Espinosa

    Charlie Espinosa

    LABTECH Admin /Systems Administrator / Remote Tech Support Tier 3

    Philippines - Last active: 1 day ago

    I am an experienced IT Systems and Network Administrator who has held positions such as NOC Manager, IT Department Head, Systems Administrators Supervisor, Systems Support Specialist and System Administrator for the past twelve (12) years and has a short stint in the academe. I am a person who strives for excellence, he continues to research new technologies in his field to widen his knowledge of the industry. I also possess effective communication skills and good analytical and decision making abilities. I am very much dedicated and motivated to work towards achieving project goals and complete given tasks.

    $16.67 /hr
    239 hours
    5.00
  2. Mykhaylo V.

    Mykhaylo V.

    System Administrator / DevOps Engineer

    Ukraine - Last active: 4 days ago - Tests: 1

    System administrator / DevOps Engineer with more than 7 years of experience in different roles. Administration of Windows and Linux workstations and servers; configuring and managing databases (MongoDB, Redis, MySQL, MS SQL Server), building and maintaining network infrastructures, setting up development \ production environments, working with cloud platforms (AWS, RackSpace), continuous integration systems, configuration management tools (Ansible, Puppet, Chef) and many more. Knowledge of computer \ network hardware. Experienced with bash scripting, currently making my best effort to use Python instead of bash where it's appropriate. Have hands-on experience and knowledge of Docker. Willing to work in a team and to learn and expand my knowledge.

    $22.22 /hr
    1,998 hours
    5.00
  3. Kalle S.

    Kalle S.

    Web architect / Cloud CTO

    Switzerland - Last active: 11 days ago - Tests: 2

    Swiss-Finnish IT professional with experience in building up from scratch start-ups and helping existing companies to adopt new business or IT strategies. Working with ease on helping companies to adopt the right IT architecture for web services (e-commerce, cloud services & outsourcing). 5+ Years experience in building own company and helping other start-ups in the Nordic start-up ecosystem. (some startup consulting done in Hong-Kong, Paris, France & Philadelphia, USA) 4+ Years working with different projects based on Wordpress E-commerce tools with whom I have good experience: Magento & MarketPress Social Networking : phpFOX & Buddypress environments Cloud side: EC2, S3, OVH products & Ubuntu, Windows Server Video sharing platforms: Building platforms based on ffmpeg & Clip-Bucket Multi-platform mobile applications: Qt, Como, HTML5, iOS, Android & Windows Phone. Some basic knowledge in Firefox OS dev. Fluent in Finnish, French, English & work skills in German. Good experience in organic Google optimization, Google Adwords management (certified).

    $33.33 /hr
    22 hours
    5.00
  4. Andrei S.

    Andrei S.

    HTML5/CSS3/JS/eCommerce/Product Design

    Belarus - Last active: 1 day ago - Tests: 3 - Portfolio: 13

    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.

    Groups: LoginRadius

    $16.67 /hr
    1,460 hours
    4.92
  5. Sudhanshu R.

    Sudhanshu R.

    Security Consultant & System Admin (CEH|ECSA|CCNA|RHCE|MCSE|CISP|CISP)

    India - Last active: 1 day ago - Tests: 11 - Portfolio: 4

    Information Security Consultant and System Admin with good Networking Skills 5 Years of experience in IT Industry and Expertise in Web security ,Linux Admin , Windows Admin, Network Security , Web Application Security , Vulnerability Assessment and Penetration Testing. I specialize in Black Box/White Box Penetration Testing,Computer Forensics,Auditing, Ethical hacking, Cloud Computing , Migration , Server installation , Server security hardening , DDOS attack , Malware removal , Ethical Hacking . # Hands-On Experience :- Vulnerability Assessment and Penetration Testing :- - OWASP 2013 top 10 Vulnerability Assessment and Mitigation - Web Application/Network/Mobile Penetration Testing - Wordpress/Joomla Security and Malware Analysis/Removal - Vulnerability Assessment of Network Devices/Databases/Web - Server/Application Server - Asp.net , PHP Security Guidelines , Scripting Attack module IDS/IPS :- - WIPS (Airtight spectragaurd enterprise , Wireless IPS ) - NIPS ( McAfee Network IPS ) - Proventia ( IBM GX4004 ) - Snort and OSSEC IDS ( Installation and monitoring Openstack ) Firewalls and Security :- - Checkpoint(R70.20/65,Fotigate600c&200B/Cyberoam/ Sonicwall/Gajshield/Kario Winroute/Riverbed - Identity Management: Security Protocols (RADIUS and TACACS+), Cisco Secure - Cisco LMS, Solarwinds, OPmanager Linux Server :- - Rackspace RackConnect, AWS SecurityGroups, dedicated firewall devices. - Rkhunter, Chkrootkits, SSHD, TCP Wrapper, fail2ban - Mitigate Mass mailing issue , DDOS scripting removal , IP Blacklisting - Experienced with setting up PCI Compliant servers. Scanning tools include dedicated - Nessus server and third-party scanner like Trustwave and ControlScan - Setup and manage firewall rules with iptables, ufw, configserver firewall (csf), DNS:- Manage DNS cluster on Cpanel DNSOnly versions. Manage zones hosted and integrated with Cpanel servers. - Manage Bind DNS service on dedicated and Cpanel servers (WHM and DNSOnly versions). Manage zones hosted at Softlayer and integrated with Cpanel servers Hosting Control Panels:- Manage multiple cPanel servers for shared hosting clients and services - Previous experiences include Plesk, zpanel, directadmin, and Webmin control panels Operating Systems:- Servers: RHEL, CentOS, Debian, Ubuntu, openSUSE, solaris Windows Server :- - Server Administration: Windows Server Administration (Server 2003/2008/2012) - Web Server Administration: Web Server Administration (IIS6/IIS7/IIS7.5/IIS8). - Database Server Administration: MS SQL Server (2005/2008/2012), MySQL database Administration. - DNS and Mail Server Administration:DNS and MS Exchange/SmarterMail/. - Visualization & Cloud :Hyper-V server administration, Managing Microsoft Private Cloud - Web Hosting Panel: WHM/cPanel, Website Panel, Plesk panel administration. - Monitoring, troubleshooting network and OS. - Backup & Restore - Server Firewall/Security, email tracing for spoofed mails. Certification :- ECSA v 8 (EC-council Certified Security Analyst) CEH v 7 (EC- Council Certified Ethical Hacker) RHCE (Red Hat Certified Security Engineer ) CISP (ISO 27001:2005 ) ISMS Implementation CCSA(Checkpoint certified security administration) – Checkpoint ID:- CP0000065597 CCNP (Cisco Certified Network Professional) - (Routing & Switching)-Route(642-902)-certified CCNA (Cisco Certified Network Associate) Cisco ID-CSCO11759679 MCSE (Microsoft Certified System Engineer)

    $25.00 /hr
    88 hours
    5.00
  6. Martin Sabata

    Martin Sabata

    IT manager and business consultant

    Czech Republic - Last active: 1 month ago

    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.

    $20.00 /hr
    0 hours
    5.00
  7. Michael C

    Michael C

    System & Hardware Administration

    United Kingdom - Last active: 1 month ago - Portfolio: 1

    The past 7 years I have been specializing in COMPUTERS, UPS, NETWORK & SERVER maintenance, which includes DNS management, DHCP, print servers administration, Microsoft's Exchange Server administration, Group policies, Active Directory management and backups. To broaden my professional knowledge, I have taken the following courses: - CompTIA A+ - CompTIA N+ - CompTIA CDIA+ - CompTIA Server + certificate - HP Stations certificate - IBM Server certificate - MCSA certificate, and - MCITP (currently under progress) I have experience working in help-desk environment. I seek for interesting system administration jobs, including help-desk management, remote assistance, and server maintenance. I specialize in Microsoft servers and products, and I'm looking for a long-term work relationship.

    $33.33 /hr
    0 hours
    4.54
  8. Anton Chernousov

    Anton Chernousov

    Linux System Administrator/Developer

    Russia - Last active: 3 days ago - Tests: 3 - Portfolio: 4

    * 9 years technology industry experience * Member of several OpenSource teams * Proven ability to work with a team and across various organizations * Experience in building complex heterogeneous networks. * I develop in several programming languages. Such as Python, C, C++, Bash, Pascal/Lazarus and others You can contact me : E-mail: anton@th22.info Skype: anton10146

    $7.00 /hr
    2 hours
    5.00
  9. Jeff Christman

    Jeff Christman Agency Contractor

    Systems Engiiner / SharePoint Architect

    United States - Last active: 11 days ago - Tests: 4 - Portfolio: 1

    10+ years of server and network design and architecture. strong experience implementing, configuring and supporting SharePoint Server 2007 / 2010 / 2013 Enterprise in a global deployment of multiple farms with multiple custom applications. Expertise in Microsoft Office SharePoint Server 2007 (MOSS), Windows SharePoint Services and SharePoint Server 2010, SharePoint Designer 2010, this includes Collaboration, Enterprise Content Management, Enterprise Search, Workflow, BDC, Security, Business Forms, Migration and MS-Office integration in MOSS Portals and Personalization. Configuring, Installing and deployment of the SharePoint 2007 / 2010 / 2013 and Office 365 Server Applications. • Experience in third party application, Avepoint, Corasworks, Axceler. • Worked with Business Data Connectivity (BDC) Service, Business Data Connectivity Services (BCS), Excel Services, Report Center, Project Server Type in SharePoint 2010/2007. • Daily monitoring troubleshooting and performance analysis of all web front ends. • Strong database administration experience in MS SQL Server 2008/2005/2000, T-SQL, SSRS. • Experience of Migration from SharePoint 2007 to SharePoint Server 2010. • Experience of working with Third party controls of Corasworks, Bamboo, Axceler Controls. • Troubleshoot and resolve issues with site collections, site and web parts. • Experienced in network and server design and implementation. • Experience with network security and firewall optimization in relation to SharePoint. • Strong experience in deployment and Managing Production and Web Server. • Experienced in Manual Testing, Test case design and Documentation. • Self-motivated, highly committed to responsibilities. Excellent communication skills and ability to work independently perform well within cross-functional teams.

    Associated with: VRS Security

    $61.11 /hr
    126 hours
    5.00