System Administration is a highly specialized field in the Information Technology (IT) sector. It involves a variety of tasks related to the maintenance, configuration, and reliable operation of computer systems, such as networks and core services. System Administrators not only manage the daily operations of these systems, but also have the responsibility of ensuring these systems are secure, protected from malicious attacks and software vulnerabilities.

A System Administrator is capable of optimizing system operations to ensure maximum uptime and efficiency using solutions like automation. This can help organizations save on costs and resources. An expert System Administrator can also identify areas where additional system resources are needed, create disaster recovery plans, automate processes, reduce risks, provide technical advice and implement overall security policies.

Some areas that should be addressed regularly by System Administrators include information security measures, disaster recovery solutions and infrastructure planning. All of this helps ensure that an organization's mission-critical systems remain up-and-running no matter what the situation may be.

Here's some projects that our expert System Administrator made real:

  • Setting up a secure backup process for companies
  • Troubleshooting login issues for laptops
  • Installing software for server control panels
  • Managing complex server configurations
  • Automating systems setup and configuration
  • Creating content for social media accounts
  • Enhancing availability, managing traffic and protecting from disasters
  • Debugging applications on Exchange Server
  • Scheduling data flows using SQL Server Agent
  • Restoring access to webpages

System Administration is an important job that requires expertise to master. With its complexity comes huge responsibilities - handling a controlled computing environment of a company or organization without compromising data security. If you have a project or idea that you want to be handled by an experienced System Administrator, Freelancer.com has you covered on finding one that meets your requirements. Post your project now and hire your own System Administrator today!

22,140 értékelés alapján az ügyfelek 4.92 / 5 csillagot adtak System Administrators szabadúszónknak.
Alkalmazza System Administrators szabadúszót

System Administration is a highly specialized field in the Information Technology (IT) sector. It involves a variety of tasks related to the maintenance, configuration, and reliable operation of computer systems, such as networks and core services. System Administrators not only manage the daily operations of these systems, but also have the responsibility of ensuring these systems are secure, protected from malicious attacks and software vulnerabilities.

A System Administrator is capable of optimizing system operations to ensure maximum uptime and efficiency using solutions like automation. This can help organizations save on costs and resources. An expert System Administrator can also identify areas where additional system resources are needed, create disaster recovery plans, automate processes, reduce risks, provide technical advice and implement overall security policies.

Some areas that should be addressed regularly by System Administrators include information security measures, disaster recovery solutions and infrastructure planning. All of this helps ensure that an organization's mission-critical systems remain up-and-running no matter what the situation may be.

Here's some projects that our expert System Administrator made real:

  • Setting up a secure backup process for companies
  • Troubleshooting login issues for laptops
  • Installing software for server control panels
  • Managing complex server configurations
  • Automating systems setup and configuration
  • Creating content for social media accounts
  • Enhancing availability, managing traffic and protecting from disasters
  • Debugging applications on Exchange Server
  • Scheduling data flows using SQL Server Agent
  • Restoring access to webpages

System Administration is an important job that requires expertise to master. With its complexity comes huge responsibilities - handling a controlled computing environment of a company or organization without compromising data security. If you have a project or idea that you want to be handled by an experienced System Administrator, Freelancer.com has you covered on finding one that meets your requirements. Post your project now and hire your own System Administrator today!

22,140 értékelés alapján az ügyfelek 4.92 / 5 csillagot adtak System Administrators szabadúszónknak.
Alkalmazza System Administrators szabadúszót

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    14 munkát találtunk

    I need a programmer specialized in Crestron systems to check for errors, fix them, and set up remote access to use the system on an app. The work will be done at my home in London, Albert Embankment.

    €12 - €17 / hr
    Helyi
    €12 - €17 / hr
    0 árajánlat

    I need an experienced Linux/PHP/Apache network engineer to troubleshoot and fix a captive portal running on Ubuntu/Linux. Issue: - My captive portal was originally configured with hotspot.xxxx.com. - I have migrated to because the ".com" domain has expired. - I updated the configuration files, but users are still being redirected to the old ".com" domain, or the captive portal still references ".com" during the login/redirect process. - I need the entire captive portal to use only, with no remaining ".com" references. Environment: - Ubuntu/Linux server - Apache - PHP - Custom Megacaptive captive portal - Let's Encrypt SSL - Hospitality Wi-Fi (HSIA) Scope of Work: - Find all remaining references to "". - Check Apache virtual hos...

    €338 Average bid
    €338 licitátlag
    162 árajánlat

    I need an experienced Linux/PHP/Apache network engineer to troubleshoot and fix a captive portal running on Ubuntu/Linux. Issue: - My captive portal was originally configured with hotspot.inetwall.com. - I have migrated to because the ".com" domain has expired. - I updated the configuration files, but users are still being redirected to the old ".com" domain, or the captive portal still references ".com" during the login/redirect process. - I need the entire captive portal to use only, with no remaining ".com" references. Environment: - Ubuntu/Linux server - Apache - PHP - Custom Megacaptive captive portal - Let's Encrypt SSL - Hospitality Wi-Fi (HSIA) Scope of Work: - Find all remaining references to "hotspot solution". - Chec...

    €341 Average bid
    €341 licitátlag
    160 árajánlat

    I need a permission report generated on a Linux server. The report should be in CSV format. Key Task: - Login to the Linux server - Generate a permission report - Export the report in CSV format Ideal Skills and Experience: - Proficient in Linux command line - Experience with server reporting and data export - Familiarity with CSV format and file handling

    €9 / hr Average bid
    €9 / hr licitátlag
    36 árajánlat

    I need a specialist who can get me up and running quickly with a VPS or an equivalent private-network solution that is reachable from (and preferably located in) my home country. The end goal is simple: I want a stable machine that I can log into securely, treat as my own server, and expand later for light hosting or personal services. Here is what matters to me: • Platform: I’m happy with either a Windows-based or macOS-based environment—whichever you recommend and can source reliably. Linux is not my first choice this time. • Access & security: I expect encrypted remote-desktop or SSH-style access, a firewall configured to limit exposure, and clear instructions so I can reconnect from home without surprises. • Location: The closer the server is to my...

    €107 Average bid
    €107 licitátlag
    80 árajánlat
    Synology Folder Permission Setup
    2 nap left
    Ellenőrzött

    I need to tighten up permission inheritance on a single shared folder in my Synology NAS. The goal is to: • Apply read-only access for one group of users • Grant full read/write access to another group • Hide every other sub-folder except one that should remain visible and usable to everyone who signs in The shared folder already exists; I just haven’t nailed the right combination of ACL rules and “Apply to this folder, sub-folders and files” options in DSM. You’ll connect remotely (QuickConnect, OpenVPN or any method you recommend) and walk me through: 1. Cleaning up the current permission tree so nothing conflicting is left behind 2. Setting the correct ACLs and confirming they inherit properly 3. Testing with real user accounts to prov...

    €14 Average bid
    €14 licitátlag
    15 árajánlat

    I need my entire stack—both the web application and its companion mobile builds—moved from the current server to a fresh hosting account. I already hold full credentials for the existing environment, so you will have immediate access to download everything you need. The mobile apps are not store-hosted; they have been built, downloaded and installed locally, so please allow for any extra packaging or configuration those binaries may require once the back-end is relocated. While migrating, I also want a careful security sweep. The previous developer had full control and I want confirmation that no hidden users, cron jobs, backdoors, hard-coded keys or other forms of silent access remain in the codebase, databases or server configuration. A concise report outlining what you foun...

    €62 Average bid
    €62 licitátlag
    29 árajánlat

    I am looking for an experienced SVN/Linux Administrator who can provide me with the correct commands and procedure for taking path-specific SVN dumps with history and restoring them on a new SVN server. Current Home Environment Existing SVN repository contains multiple TBs of data I do NOT want to dump the complete repository. I only need dumps for specific SVN paths. Required SVN history: January 2022 to present Example paths: /hongkong/EngineerTeam /hongkong/IOTdevelopment/models /hongkong/EngineerTeam/dev What I Need I need the freelancer to provide a tested and clearly explained procedure/commands for: Identifying the SVN repository and required revision range corresponding to January 2022 through the latest revision. Taking a dump of only the specified SVN paths, rather than dum...

    €12 Average bid
    €12 licitátlag
    3 árajánlat

    Realizar un sistema informatico que de cumplimiento a la NOM 023 ASEA 2025, Requerimientos de la CNE, PROFECO y STPS para 5 estaciones de servicio. la idea es que sea una plataforma que centralice la informacion de estas estaciones, alerte cuando tenga vencimientos, lleve bitácoras operativas y de informes de auditorias

    €176 Average bid
    €176 licitátlag
    74 árajánlat

    Truebodh Technologies is seeking an experienced Windows Infrastructure & Application Migration Engineer for a 3-month migration project. The project involves migrating business-critical ASP.NET applications, Secured web Portal applications, IIS websites, and SQL Server Reporting Services (SSRS) from Windows Server 2012 to a modern supported platform. The selected freelancer will be responsible for planning, execution, testing, documentation, production cutover, rollback planning, and post-migration support. This is a hands-on technical project requiring expertise across Windows Infrastructure, IIS, .NET Applications, SQL Server, SSRS, Networking, PowerShell Automation, and Technical Documentation. Remote Engagement ₹25,000/month Office-Based (EMEA Shift) - Ghaziabad ₹35,000 - ₹45,0...

    €484 Average bid
    €484 licitátlag
    22 árajánlat

    I need a skilled field service technician to handle troubleshooting and repair tasks for IT hardware, specifically Dell, HP, and Cisco equipment. Key Responsibilities: - Onsite troubleshooting and repair of IT hardware issues - Managing break-fix repair scenarios - 1 hour on call on-site Ideal Skills and Experience: - Proven experience with Dell, HP, and Cisco IT hardware - Strong problem-solving skills - Ability to work onsite as needed

    €30 / hr Average bid
    Helyi
    €30 / hr licitátlag
    7 árajánlat
    Monthly MySQL VPS Maintenance
    12 óra left
    Ellenőrzött

    I run a production MySQL database on a Hostinger VPS and need a reliable partner to keep it healthy month after month. Each cycle you will: • Take full and incremental backups, store them off-server, and verify integrity • Review and tune slow-query logs, indexes, and configuration for peak performance • Apply the latest MySQL and OS security patches, harden permissions, and run vulnerability scans You’ll have root/SSH and phpMyAdmin access, and I expect a short report after each visit summarising what was done, any issues found, and recommended next steps. Everything must be scheduled so there is zero or minimal downtime for my users. If you’re experienced with Hostinger panels, mysqldump, Percona Toolkit, and general Linux server hardening, let’s...

    €84 Average bid
    €84 licitátlag
    169 árajánlat

    I am looking for a seasoned JP1/ITDM2 or JP1/Software Distribution professional who can run a hands-on, fully-remote training program for an intermediate audience inside our company. The goal is to leave the team confident enough to operate, maintain and extend our existing JP1 environment without outside help. Scope of the course • Live tool walkthrough that maps the console to daily administration tasks • Practical patching sessions covering scheduling, rollback and reporting • End-to-end software deployment workflows, including package creation best practices • Imaging techniques for new-build machines and recovery scenarios Format & pacing All sessions will be delivered remotely via our preferred conferencing platform. I expect a mix of instructor-le...

    €33 / hr Average bid
    €33 / hr licitátlag
    2 árajánlat

    I'm looking for someone to help onboard a client in person near CAPE TOWN. The process involves technical setup and training, specifically software installation. Key tasks include: - Install operating system on client's devices - Provide training on using the new system Ideal Skills and Experience: - Proficiency in installing and configuring operating systems - Experience in technical training and client onboarding - Strong communication skills

    €111 Average bid
    Helyi
    €111 licitátlag
    3 árajánlat

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