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!

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    i have a spare computer and i need someone to help me setup my home server to host my own website they can use any open source platform they want i prefer portainer docker ubuntu 22:04 nginx and cloudflare tunnel This job will be performed online through anydesk

    €5 / hr (Avg Bid)
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    6 ofertat
    install multiple rdp on one server 6 ditë left
    VERIFIKUAR

    I am looking for an experienced freelancer to help me install Windows Remote Desktop Protocol on one of my servers which one have 30 gb ram and 200 gb ssd. This requires setting up existing systems and configuring them to be accessed remotely. The installation will involve the use of Windows Remote Desktop and must be completed with efficiency and accuracy. The server should be able to handle multiple simultaneous users and every rdp login it with different rdp

    €42 (Avg Bid)
    €42 Oferta mesatare
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    I recently upgraded my network from 1Gbp to 10Gbps. With the 1Gbp network, I had a transfer speed on LAN of about 100-120MB/s. I still get the same throughput after switching to the 10Gbps network, which was supposed to have ten times more throughput (about 1GB/s). I need a network expert who can help me achieve the throughput speed of a 10Gbps network (~1250 MB/s) Eventually, as my NIC and cables are 40 Gbps compatible, if possible, upgrade the network to 40Gps. Current architecture - 4 Dell PowerEdge R930 Servers (VMware ESXi7 hosts) - 40 Gbps Mellanox NIC on ESXi7 hosts - Cisco Nexus 9396PX Switch - QSFP+ cables to connect servers to switch

    €166 (Avg Bid)
    €166 Oferta mesatare
    11 ofertat

    Linux Ubuntu PENTEST Expert. Need to have a pentest in our own NW environment.

    €95 (Avg Bid)
    €95 Oferta mesatare
    10 ofertat
    Prepare VPS for my bot on CentOS 6 ditë left
    VERIFIKUAR

    I am looking for an experienced Freelancer who can help me prepare a VPS using CentOS for my bot. The project requires expertise in configuring CentOS to ensure the bot runs properly. This is a one-time setup job and only requires establishing one VPS. Following are the things that you have to do: 1. Create a virtual env with name python_env. with using virtual environment: 1. Install latest version of Python : python3.10. 2. Install latest version of Python-telegram-bot V20. 3. Install dependencies : pip install python-telegram-bot[all] installs all optional dependencies. pip install python-telegram-bot[ext] installs all optional dependencies you can use the PTB document for reference 4. Run a simple bot I will provide you the telegram token. 5. provide ssl certificate for NPS.

    €32 (Avg Bid)
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    I have to setup an IIS with Active Directory Domain Service & DNS server with PHP MySQL and FileZilla Server on AWS EC2 (Windows Server) and i want screen recorded for my future reference.

    €37 (Avg Bid)
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    4 ofertat
    PROXMOX - GPU Passthrough 6 ditë left
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    I have a Dell R720XD running Proxmox. We want to farm CHIA with it. Proxmox is on two SSD's, with the CHIA full node & wallet running on Windows 10 in a VM. I will add 3.5" HDD's through TrueNAS after I get this working. I want to passthrough the two GPU's (NVidia p2000's). One will be to create plots, the other I want to decompress the plots. I am looking for someone who knows Proxmox really well & knows how to get this GPU passthrough to work.

    €167 (Avg Bid)
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    Flashphoner Setup 6 ditë left
    VERIFIKUAR

    I'm looking for a freelancer to help me set up a Flashphoner on my server. Specifically, I need someone to set up the RTMP configuration. I'll be using a server as the device, and the purpose of the setup is to enable live streaming. The successful freelancer should have experience in network performance optimization, as well as in-depth knowledge of all components required for successful Flashphoner setup. Applicants should be prepared to liaise with multiple stakeholders, and follow best practices in their setup and configuration.

    €384 (Avg Bid)
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    System Admin Setup 6 ditë left
    VERIFIKUAR

    Create a n Infrastructure for following (some or all) with some free or open source solution 1. Windows Image deployment (set up a WDS and with multiple editable custom mages) with WSUS management 2. A Backup solution which can automatically backup all the data to a local disk and in cloud. 3. Network Monitoring (LAN, Internet and Files access) 4. Hyper V replication for fast recovery if VMs fail

    €110 (Avg Bid)
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    My network has: 1 pyhsical router bridged. 2 physical wired NICs for WAN and LAN. 1 host machine Debian based OS, running hypervisor/VMM KVM/Qemu/Virt manager. 1 VM router OPNsense (FreeBSD based). The VM router is pinging the Internet and LAN devices. The only difference to a previous network build which worked exactly like this, is the hypervisor/VMM was not KVM/Qemu/Virt manager. The issue is to make the host machine with the VMM, ping the VM router and vice versa. Please see the attachment for the network topology (note the VM router's install default IP address is , I will change this to when I have GUI access to the VM router's settings). Here's 5 different /etc/network/interfaces configurations I've tried on the host machine, in attempt to connect the host&#...

    €18 (Avg Bid)
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    I am in need of a freelancer to help me with a project of migrating from my existing OpenProject Bitnami to OpenProject on Ubuntu. I am using Ubuntu 20.04 and will require help in setting up the new OpenProject installation. The successful freelancer will need to be knowledgeable in OpenProject and proficient in database migration for this project. I am looking for an experienced, reliable, and self-motivated individual who is able to provide quality work that meets my expectations. If you think you have the necessary experience to complete this project successfully, then I look forward to hearing from you. Thank you!

    €180 (Avg Bid)
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    Fusionpbx installation and setup 6 ditë left
    VERIFIKUAR

    Require voip expert for installing fusionpbx and configuring it with our termination provider ip address.

    €92 (Avg Bid)
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    Server Developer 6 ditë left

    I am looking for an experienced server developer to help me with a specific project. I need a Windows Server environment built, as well as additional software to be installed. However, I'm not sure if I have an existing server to work on, so the developer will need to assess this. The ideal candidate should have extensive knowledge of Windows Server, along with experience using Windows Server management tools. Additionally, the developer should have the experience and the ability to install, troubleshoot, maintain, and/or improve applications and/or services as needed. I'm looking for someone who can deliver an effective and efficient solution quickly, so if you feel that you have the skills and experience needed to handle this project, I look forward to hearing from you.

    €398 (Avg Bid)
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    14 ofertat

    I am going to create EC2 Instance to deploy and host my project on AWS. I need someone to teach me to create ec2 instance. Thanks.

    €21 (Avg Bid)
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    43 ofertat

    Need help with VPS DNS and Email setup

    €19 (Avg Bid)
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    14 ofertat
    Powerbi migration support 5 ditë left
    VERIFIKUAR

    Powerbi migration support micro

    €3 / hr (Avg Bid)
    €3 / hr Oferta mesatare
    8 ofertat

    Looking for assistance with external web authentication(centralized) for guest network to be used in multiple sites connected via VPN

    €78 (Avg Bid)
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    Looking for an expert in setting up Apache superset instance with Redis db configured and working. ONLY EXPERTS PLEASE.

    €15 / hr (Avg Bid)
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    11 ofertat

    I'm looking for an experienced nginx Cloudflare expert to configure a connection between these two platforms for my small project. I need someone who has the knowledge and skills of setting up the connection, as well as the experience to complete the task. This small project will ensure that the connection is properly setup, secure and optimized for web performance.

    €24 (Avg Bid)
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    Setting up a Wan ethernet connection and aggregate 2 WANs Setting up lte 4g as a failover alternative Set up rdp with port forwarding Security on users entry Vpn between rdp users Vpn to othersites Setting up a vlan Prioritise Voip traffic with

    €184 (Avg Bid)
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    8 ofertat

    I would like to setup two cloud dns servers for my 3,000 domain names. Can you give me a guide price please for setting everything up and testing as well as setting up everything for each of the 3,000 domain names. Don’t include server costs. I’m interested in total project cost and the basis you charge, for example hourly rate and number of hours. Thank you

    €4081 (Avg Bid)
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    Integrate to AWS 4 ditë left
    VERIFIKUAR

    Transfer from bluehost to AWS server.

    €78 (Avg Bid)
    €78 Oferta mesatare
    25 ofertat

    We've installed afterlogic Webmail Pro () and Active Server () of on our Plesk server. We need help to parameter the dav () and the activeserver ()

    €136 (Avg Bid)
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    Upgraded to Cloudflare Pro and can't get my porn site to play videos on safari

    €43 (Avg Bid)
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    Solicitamos presupuesto para instalar una copia de plesk a otro plesk. La copia de seguridad es de unos 50 y pico gygabytes. El servidor actual tiene una ip compartida y 4 ips dedicadas, hay que dejarlo todo tal y como funciona en el servidor actual, ya que algunas webs tienen su ip dedicada, exclusivamente para ellas.

    €21 (Avg Bid)
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    Tencent Cloud Expert is Required 4 ditë left
    VERIFIKUAR

    ONLY FREELANCERS CAN BID. NO AGENCIES AND STRICTLY NO PROJECT MANAGERS. PLEASE BID WHAT YOU WANT FREELY. DON'T ASK WHAT IS MY BUDGET, YOU WILL BE REJECTED IMMEDIATELY! PLEASE READ JOB POST BEFORE BIDDING I want a Tencent Cloud Expert to do the following. 1. Setup a server to host Presently, it is hosted in AWS. It full Mern Stack Website with blockchain integrations. 2. Setup CDN where the website is delivered very fast. I will provide the Tencent Cloud login details. Please apply only if you know setting up server in Tencent Cloud and setup CDN for it.

    €40 (Avg Bid)
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    window vps ka ip block ha other componet proxy used kar bolck vps ko unblock karna without any software

    €26 (Avg Bid)
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    I need to send mail from Unix using mailx command to the organisation mail..

    €10 (Avg Bid)
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    pmta installation 4 ditë left
    VERIFIKUAR

    Hello, I am looking for someone to assist me with the installation of PMTA on my VPS. I do not need help configuring SMTP settings, as I already know what I'm doing. I also do not have an existing powerMTA configuration file, so I need someone to install a new one for me. If you think you can assist me in this, please contact me about the project. I look forward to hearing from you!

    €70 (Avg Bid)
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    I am looking for someone to integrate customers AD FS to our website’s login page via SSO (Single Sign On). The website we are integrating is a static web application. This integration will allow customers to use their existing authentication to access our website, creating a seamless and secure experience. It is important that the integration is fully functional and secure at all times. The successful freelancer will have experience with ADFS integrations on static web applications. The task involves first integrating our customers AD FS on our development web server for testing and then on to our 2 other web servers that run our live system. Our web servers run behind a load balancer so port or proxy forwarding settings may need to be added as well. You must be able to work with...

    €293 (Avg Bid)
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    I am in need of a DevOps expert to help deploy a Laravel application to the cloud. Required: - AWS master - Linux master - Experienced in deploy Laravel app - Experienced in deploy mail server, ssl, mysql, php, git deploy

    €33 (Avg Bid)
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    31 ofertat
    Palo Alto PA500 School Project 4 ditë left
    VERIFIKUAR

    We are looking for a professional freelancer to help us with our Palo Alto PA500 School Project. The project will involve setting up and troubleshooting our PA500 firewall with remote access solution, as well as creating documentation and providing training on use of the firewall. We have experience with IT infrastructures but need assistance with this particular project. Our goal is to ensure successful deployment of our firewall and make sure that everyone on staff is knowledgeable about the system. We are hoping to find a dedicated and knowledgeable freelancer to help us with the project.

    €15 (Avg Bid)
    €15 Oferta mesatare
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    I am looking for an experienced IT professional to optimize my Ubuntu 18.04 system for an existing business. This will involve performance optimization to increase the speed of the system and make it more efficient. However, I do not need any assistance with hardware or software related issues as part of this project. So if you have experience with optimizing Linux systems, please do not hesitate to bid on my project. Thank you for your time and I look forward to working with you!

    €110 (Avg Bid)
    €110 Oferta mesatare
    23 ofertat

    I am seeking a specialist experienced in setting up multiplayer gaming servers to help me create a stable and functional network to support at least 20 players. Specifically, I need assistance in setting up a server infrastructure for PC games. I understand the complexity of the task and am looking for expertise in the field to make sure the system runs efficiently and without issues. If you think that you have the necessary skills and experience to be the one for me please reach out.

    €584 (Avg Bid)
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    20 ofertat

    We are looking someone to setup email account so that we can use for our promotional emails and our application.

    €19 (Avg Bid)
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    11 ofertat
    SA Jobs Server Security 3 ditë left
    VERIFIKUAR

    Define ports and inbound rules with relevant IP's

    €27 (Avg Bid)
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    11 ofertat
    KVM linux 3 ditë left

    Looking for KVM expert - create templates out of VM - Create golden image - setting up networking

    €19 / hr (Avg Bid)
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    12 ofertat

    Set Namespace for newly bought domain in hostinger

    €6 / hr (Avg Bid)
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    14 ofertat
    DMP addition on existing network 3 ditë left
    VERIFIKUAR

    I need assistance integrating a Dream Machine pro into my existing network

    €144 (Avg Bid)
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    8 ofertat

    We are looking for a highly skilled and experienced Bitrix24 Support Administrator and Automation Expert to help us with our project. As our Bitrix24 Support Administrator, you will be responsible for the following: Additionally, you will be required to provide weekly reports on the performance of our marketing campaigns. Responsibilities: a. Implement workflows according to defined compliance policy and project management practices over BITRIX24 Cloud. b. Create library of task templates that state KPIs checklist with time sensitivity defining effective time as well as maximum deadline.  c. Setting up workgroups and projects for each business operation cycle and link them according to defined workflows. d. Conduct training according to project management practices for each business...

    €290 (Avg Bid)
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    4 ofertat
    Dell Server restoration - VMWare 3 ditë left
    VERIFIKUAR

    This server suffered HDD failure or HDD COntroller failure. Dell support has been less than useless in helping with this. The server had 8 VMs running, using VMWare. Will need someone local to our Area, Windsor - London - Sarnia, Ontario, Canada I'm looking to restore my existing server using VMware virtualization software. The business I am representing has been established for a while now, and is in need of a reliable server to store and manage our data. We require a knowledgeable individual who has experience working with Dell servers as well as VMWare for restoring our current system. If you think you are the right person to complete this task, please contact me so that we can discuss the details further. Thanks for your time.

    €36 / hr (Avg Bid)
    Lokale
    €36 / hr Oferta mesatare
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    I am looking for an experienced professional to help me with AMAZON SES SETTING WITH CLOUDFLARE. I need help to ensure that my Amazon SES account is set up correctly and that I will be able to use the services it offers. I have an active Amazon SES account and have answered "Yes" to both other questions. I require assistance with configuring the DNS records to ensure that SES is integrated successfully and that I can take full advantage of its features. The successful candidate must have an in-depth knowledge of both Amazon SES and Cloudflare and the capability to configure them in a timely manner. Experience with other cloud services is also desirable. I expect top-level professionalism, communication and attention to detail. If you have the relevant skills and experience,...

    €35 (Avg Bid)
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    hello freelancers , i have SAAS app in e-commerce, every client can build his own online store without any previous experience , i want to build high availability system for it . our app uses Laravel every client have his own store have his own custom domain and subdomain our app is deployed now in VPS with Cpanel and this is our Cpanel problems : 1- we can't scale with Cpanel 2- we can't handle unlimited custom domains 3- our app based on 1 server so if our server goes down all of our clients goes down currently our app does not have any traffic or clients i want to make this system high available , so it can handle a lot of traffic without any problem also i can scale it later without problem challenges : 1- handle many traffic at same time . 2- keep our app perfor...

    €1127 (Avg Bid)
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    50 ofertat

    I am looking for a freelancer who can help me build a cloud PBX telephony software that is supported by Twilio or Asterisk, using the SIP protocol. This telephony software will not need to be integrated with an existing management platform.

    €31 / hr (Avg Bid)
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    15 ofertat

    I have AWS account. I've registered domain address. But I don't know how to match domain address to IP address. If you have experience, please help me. This is long term project, I have many similar project. Regards.

    €32 / hr (Avg Bid)
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    Hi, I have a requirement to create a infra for below requirement: 1) Remote Desktop Facility - So that my developer can us my development system using remote desktop or through any other similar authentic, trusted and secure software. 2) Forty Client VPN (Server Setup) free version - so that my developers can access my that development system through VPN to access the database. 3) Restrict the development system for all developers' users accounts, so that they cannot upload or transfer any data outside that system. Please bid only those people who has the 4+ year experience in above category.

    €117 (Avg Bid)
    MRS
    €117 Oferta mesatare
    5 ofertat

    I am looking for an experienced freelancer to help me with my network and virtualization project. I have an existing server setup and I am looking for someone to design and maintain the network. I am not sure if I need to migrate the existing servers, so I am looking for someone to advise me on the best way forward. It may also be necessary to invest in additional hardware for the project, so I am open to suggestions and recommendations. The ideal freelancer for this project should have a proven track record in designing and maintaining networks, helping with a server migration, and selection of additional hardware, if needed. Currently, we are having issues with the speed of the remote desktop speed, and looking for suggestions for the best software to set up or develop a new solution to ...

    €19 / hr (Avg Bid)
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    I need an expert in installing FreePBX system on our server. I have specific requirements and I want these requirements to be fulfilled before setup. If you think you are the right fit, please let me know – I am looking for someone to start this project as soon as possible. Thank you for your time!

    €87 (Avg Bid)
    €87 Oferta mesatare
    11 ofertat

    Hi i have setup proxy but i need to setup SSL Proxy Help me out Regards VSR

    €19 (Avg Bid)
    €19 Oferta mesatare
    10 ofertat

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