System Administration Jobs

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!

From 23,294 reviews, clients rate our System Administrators 4.9 out of 5 stars.
Hire System Administrators

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!

From 23,294 reviews, clients rate our System Administrators 4.9 out of 5 stars.
Hire System Administrators

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    15 jobs found

    Hi, I need help setting up a new Odoo Community instance dedicated only to accounting and financial management. The database must be completely empty, with no imported historical data, demo data, customers, suppliers, products, or previous transactions. There will only be 3 users in this instance, all with access restricted to the accounting environment as appropriate. I need you to: Install and configure the latest stable version of Odoo Community. Create a new, clean database from scratch. Install only the modules required for accounting and financial management. Configure access for 3 users only. Make sure no unnecessary demo or sample data is installed. Secure the instance properly. Configure automatic backups. If possible, prepare the accounting localization for Spain, including t...

    £124 Average bid
    £124 Avg Bid
    42 bids

    Freelancer ko ye matter bhej do: > **Hi, I need help with a WhatsApp/Meta integration issue.** > My WhatsApp number was previously connected to Whinta. I deleted the old integration and now I’m trying to connect the same number again, but Meta is showing **“Ineligible – This number can't be shared with this app.”** > > I need you to identify the reason for the eligibility issue, completely remove any leftover old WhatsApp/WABA/provider connection if required, and successfully reconnect the **same number to Whinta**. > > Please make sure the setup is done through the **official Meta/WhatsApp process** and that the number remains usable after the integration. > > **Please tell me the exact cause and your price before starting.**

    £9 Average bid
    £9 Avg Bid
    13 bids
    Update My Linux Server
    6 days left
    Verified

    I'm seeking an experienced Linux system administrator to update my Linux server to the latest version. Requirements: - Update the Linux operating system and any necessary software or services Ideal Skills and Experience: - Proficient in Linux server management - Experience with system updates and maintenance - No downtime is required, as there are no critical applications running

    £219 Average bid
    £219 Avg Bid
    122 bids
    Secure Omada VPS Deployment
    6 days left
    Verified

    I am ready to launch a fresh Ubuntu-based VPS that will host the TP-Link Omada Cloud SDN Controller, and I want the environment to be production-ready from day one. Your task is to install the latest Omada software, tune the underlying Ubuntu system, and lock everything down with an intermediate security posture: firewall rules, automated updates, and a proven intrusion-prevention layer (e.g., Fail2Ban or similar). Once the controller is up, I will also need a concise document that shows: • every step you took during installation and hardening, • all credentials or certificates generated, • and a clear, vendor-agnostic backup strategy (where to store the archives, how often to run them, and the exact commands or scripts). Feel free to recommend S3, rsync to anoth...

    £147 Average bid
    £147 Avg Bid
    89 bids
    Mailcow Server Setup Coaching
    4 days left
    Verified

    I have a fresh Ubuntu server with full root SSH access and a registered domain that still needs its DNS records. I want to install Mailcow-dockerized from scratch and would like you to guide me step-by-step in real time—screen sharing while I run each command myself. Together we will: • Deploy and update the Mailcow stack on Ubuntu. • Create and publish all required DNS records (A, MX, SPF, DKIM, DMARC, PTR) for the domain. • Secure the installation with Let’s Encrypt certificates. • Verify outbound and inbound mail flow, ensuring messages reach major providers’ inboxes without spam flags. • Leave clear notes so I can maintain the server and add future domains or users on my own. We’ll consider the job complete when webmail ...

    £8 / hr Average bid
    £8 / hr Avg Bid
    46 bids

    We are looking to try out two different msp/rmm (datto & super ops). We need you to setup using your company and add us to the 14 day trial so we can test. We will pay

    £89 Average bid
    £89 Avg Bid
    23 bids
    Exe creation
    4 days left

    Project Description I am looking for an experienced Windows/Java developer to develop a very lightweight Windows EXE application for remote system management. The application should be optimized for low resource usage, with a target executable size of approximately 2–3 MB if technically possible. Required Features 1. Simple/Minimal Installation • No complicated infrastructure or installation process. • Prefer a simple standalone EXE. • No visible front-end/UI is required for the client application. • The application should operate in the background. 2. Remote File Manager • From the management panel, we should be able to access the connected Windows system’s file structure. • Upload files to the system. • Download files from the sy...

    £47 Average bid
    £47 Avg Bid
    23 bids

    I need Siemens Solid Edge 2025 installed, activated, and confirmed fully operational on my Windows machine. You will connect through AnyDesk, handle the complete setup, and walk me through anything I must do on my side. I am not sure whether my existing account already carries a valid license, so part of the job is to verify what I have and, if necessary, guide me in securing the right entitlement before activation. Deliverables • Install the correct Solid Edge 2025 build on my PC • Activate it with a verified license or newly obtained key • Apply essential first-run settings so the program opens cleanly with no errors • Launch, test, and demonstrate that core functions load as expected Please tell me your fixed price and how soon you can finish once we arrange...

    £31 Average bid
    £31 Avg Bid
    12 bids

    **NOTE: If you have not worked on UKG Pro WFM, you'll not be considered** Availability to support between 8:30 PM - 4:30 AM IST, MON-FRI I’m looking for ongoing help fine-tuning our Workforce Management environment. The immediate focus is system configuration for Adv Scheduling, Timekeeping, Attestation, Accruals, Reports, Business Processes,, Notifications and CRT changes so that day-to-day administration becomes smoother. During live screen-share sessions you’ll walk me through best-practice setups, adjust existing rules or pay policies where needed, and document any changes so we can repeat them internally. I’m comfortable handling basic tasks, but I want your expert guidance to avoid mis-steps that could ripple through the configuration. Deliverables • H...

    £348 Average bid
    £348 Avg Bid
    13 bids

    I’m looking for someone who can take me from a blank or malfunctioning drive to a fully-functional operating system, ready for everyday use. The task is strictly technical support focused on the installation itself—I’ll supply the license key or image, you guide or carry out the setup. Here’s what I expect: • Selection and verification of the correct OS image • Clean or upgrade installation, including basic partitioning if required • Activation, first-time updates, and driver checks to be sure the machine boots and runs smoothly If any minor post-install hiccups appear, I’d like quick pointers to resolve them, but we’re not stepping into full troubleshooting or long-term system maintenance for this project. Let me know your preferre...

    £10 / hr Average bid
    £10 / hr Avg Bid
    12 bids

    My Hetzner-hosted Linux server has locked me out of the root account. I still have full access to the Hetzner Rescue System and the console panel, but the root password itself is unknown. Your task is straightforward: bring root access back without touching any user data or service configuration. I’m comfortable granting Rescue System credentials or temporary console access so you can reboot, mount the filesystem, chroot, and update /etc/shadow—or whatever proven method you prefer. Please document each command you run so I can repeat the procedure in future emergencies. Deliverables • Root login via SSH or console confirmed working • Step-by-step notes (command history and short explanations) • No data loss or service disruption during the process ...

    £44 Average bid
    £44 Avg Bid
    55 bids

    I have a two-month engagement at one of our facilities in Mumbai and need a hands-on Network Engineer / System Administrator who can be on site throughout the period. The remuneration mentioned is monthly pay out, five days, 9 hrs. The core environment runs on Windows Server, so solid, independent capability there is non-negotiable. Day-to-day you will be looking after the full network stack—routers, switches and firewalls—while keeping our users productive and the servers healthy. Your main focus areas: • Network maintenance & real-time troubleshooting: keep latency low and uptime high, escalate only what you can’t solve on the spot. • Windows Server setup, hardening and routine administration. • User support and training when new configurations...

    £398 Average bid
    £398 Avg Bid
    12 bids

    I’ve got a brand-new Windows laptop arriving and I’d like everything ready to use from day one, handled entirely through a secure remote session. The essentials for this job are straightforward: install and activate Microsoft Office 365 and put a reputable antivirus solution in place. Once those are running smoothly, a quick check that Windows is fully updated and that all installations are licensed and error-free will wrap it up. Deliverables • Microsoft Office 365 fully installed, signed in with my account and activated • Antivirus software of your recommendation installed, updated and configured for real-time protection • Brief confirmation that the system is current on Windows Update and free of installation errors I’m happy to connect via...

    £90 Average bid
    £90 Avg Bid
    28 bids

    I need help restoring my DreamHost email, which has stopped functioning after transferring my DNS records from Wix to GoDaddy. My email is connected to Outlook. Key Tasks: - Verify and update MX records in Wix to point to DreamHost. - Ensure all necessary DNS records (A, CNAME, TXT) are correctly configured. - Test and confirm functionality of the DreamHost email on Outlook. Ideal Skills and Experience: - Experience with GoDaddy WIX and DreamHost DNS management. - Familiarity with MX records and email configuration. - Knowledge of Outlook email setup and troubleshooting. Please provide a step-by-step confirmation of the changes made.

    £83 Average bid
    £83 Avg Bid
    127 bids

    Saya sedang mengerjakan beberapa tugas dan proyek kampus yang berhubungan dengan sistem operasi serta jaringan komputer. Saya membutuhkan pendampingan berupa konsultasi jarak jauh untuk: • Memecahkan masalah instalasi dan konfigurasi sistem operasi (Windows, Linux, atau keduanya). • Mendesain dan men-troubleshoot topologi jaringan sederhana hingga menengah—termasuk pengaturan IP, routing dasar, serta keamanan jaringan. • Memberi arahan best-practice agar hasil kerja saya rapi, terdokumentasi, dan sesuai kebutuhan akademik. Ruang lingkup mencakup sesi tanya jawab, panduan langkah-demi-langkah, serta pemeriksaan ulang konfigurasi yang sudah saya kerjakan. Waktu pengerjaan fleksibel namun saya menargetkan seluruh materi terselesaikan tepat waktu sebelum tenggat tuga...

    £13 / hr Average bid
    £13 / hr Avg Bid
    10 bids

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