Amministratore di sistema Jobs

System Administration is a skilled job that requires expertise and reliability. A System Administrator takes care of the operations, maintenance and enforcement of a computer/information systems network, server and applications for clients. Improving performance, security and stability of the system are integral parts of their job. They also have to handle software upgrades or the installation of new hardware, and will provide guidance, technical support, and training to users.

For most organizations, be it large companies or small businesses, System Administration is absolutely essential in keeping their day-to-day operations running smoothly. This is because they need someone with the technical expertise to manage, maintain and keep their computer networks functioning properly.

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

  • Network setup
  • Security configuration & monitoring
  • Vulnerability & security audit
  • Server installation & maintenance
  • Troubleshooting & error rectification
  • Software upgrade & installation
  • Database backup & restoration
  • Performance optimization

In today’s digitally driven world, it is no surprise why System Administrators are in such demand. They are a reliable resource for organizations who want professionals who can handle operations both smoothly and efficiently. Companies now have no choice but to set aside a budget for hiring System Administrators – even if it means going digital and finding one on Freelancer.com.

At Freelancer.com, we understand how important it is for you to have qualified professionals working on your projects. We also understand that you may not always have the capacity or budget to hire one full time – this is why you should consider looking intoFreelancer.com where you can find quality System Administrators with different levels of experience in your area at an affordable price. Whether its a short term or long term project, our System Administrators will be up for the task anytime!

Now that you know how important it is to have an expert System Administrator working on your business’s IT systems, we invite you to post your own project on Freelancer.com and hire an experienced professional today!

Da 165,631 valutazioni, i clienti danno una valutazione ai nostri System Administrators di 4.85 stelle su 5
Assumi System Administrators

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    105 lavori trovati, prezzi in EUR

    I'm looking for a skilled networking professional who can transform our existing network infrastructure. The current setup is struggling with slow internet speed, frequent congestion, and unreliable connectivity. To address these issues, I want to move towards a fiber-based network. Key Project Details: - Our network is of medium size, supporting 10-50 devices, so a solution that can scale is essential - The primary aim of this revamp is to improve the speed and efficiency of our network The ideal candidate for this project must have: - Proven experience in designing and implementing cutting-edge networking solutions, with a focus on fiber technology - Expertise in creating network topologies that are both robust and scalable - A reputation for delivering results that significantly ...

    €3848 (Avg Bid)
    €3848 Offerta media
    12 offerte

    Using OpenVPN with Samba 4 AD-DC. Am running into a problem where file shares open just fine when using an IP Address to the server however when using a domain name (A Record) it fails. In the end I am hoping to access the server using the domain and be able to open files and folders inside shares as normal. It is important that we resolve this via a screen share. I can do a zoom screen share and record the solution. This is a LIVE client server I have created a video to assist with your understanding of the problem. Please confirm you have seen it. * Thank you!

    €55 / hr (Avg Bid)
    €55 / hr Offerta media
    5 offerte

    I'm urgently needing a professional who's experienced in handling SSL certificate acquisition and installation for a Flexnet License Server operating on Windows Server. Your responsibilities for this project would include: - Assisting with the purchase of a new SSL certificate. - Setting up and correctly configuring the SSL certificate on our Flexnet License Server. - Ensuring the server is secure and the installation is successful, with no errors. This task needs to be completed as soon as possible. Proficiency in Windows Server operations and FlexNet configurations is highly valuable. Previous experience with SSL certificate installations is a must. Looking forward to a prompt and effective solution to this requirement.

    €17 (Avg Bid)
    €17 Offerta media
    12 offerte

    I'm looking for an experienced QuickBase developer to enhance and evaluate my CRM app. I just need them to fix Quickbase to receive data from other sources already connected and operating. I need to fix problem with some fields -- Need to convert text to multiple choice , but QB does not accept data on kmultiple choice and I need to fix that so I can fix display of reports and performance Specific Enhancements: - UI/UX Improvements: I'm looking for someone who can make the user interface more intuitive and user-friendly. --- I need to optiomize some process of reporting , visual and interaction with data - Workflow Automation: I need the app to be more automated to help streamline my business processes. - Data Analysis and Reporting: I want to be able to generate mor...

    €954 (Avg Bid)
    Urgente
    €954 Offerta media
    46 offerte

    I described the error below in details. I'm sure the Server administrator can fix this issue in 1~2 hours. I'll pay $100 for this project. 1. I generated 2 csr files with command. openssl genrsa -out ~/certs/ 4096 openssl req -new -sha256 -key ~/certs/ -out ~/certs/ openssl genrsa -out ~/certs/ 4096 openssl req -new -sha256 -key ~/certs/ -out ~/certs/ 2. I got 2 swish certificates file from swish portal. I used one for singing and another for TLS communication between web system and swish platform. 3. I created p12 file from the reference. openssl pkcs12 -export -out -in -inkey 4. I used the following code. <?php $date = new DateTime(); $dateString = $date->format('Y-m-dTH:i:sZ'); $payload = [ "payoutInstructionUUID" => "...

    €36 / hr (Avg Bid)
    €36 / hr Offerta media
    38 offerte

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