System Admin 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!

From 160,534 reviews, clients rate our System Administrators 4.88 out of 5 stars.
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    77 jobs found, pricing in USD

    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!

    $72 (Avg Bid)
    $72 Avg Bid
    2 bids

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

    $15 (Avg Bid)
    $15 Avg Bid
    1 bids
    Windows Print Server 6 days left
    VERIFIED

    We have a print server with about 20 printers and 80 users. We need to be able to provision these printers with a GPO to the right users. We need help setting this up correctly.

    $25 / hr (Avg Bid)
    $25 / hr Avg Bid
    4 bids

    I am looking for someone to configure VMWare VSAN and Fault Tollerance. The type of system to be used is VMware ESXi. The configuration will require knowledge and expertise in server hardware, SAN storage, and networking infrastructure. The main goal is to implement fault tolerance. Experience with VMware ESX, VMware ESXi and VMWare vSAN are necessary. Depending upon the type and complexity of the project, the total time of completion will differ. If you feel you possess the knowledge and experience required to complete this project, please contact me.

    $485 (Avg Bid)
    $485 Avg Bid
    4 bids

    create digital planner to sell on etsy Brief: Dog groomers starting and scaling a new business. track expenses, coloums for product links etc Example - please dont message direct. i will only respond to bids. Thanks

    $306 (Avg Bid)
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    1 bids

    I would like to obtain the transfer of an old digitalocean account, they say that the new ones no longer allow the use of port 25, or have them accept opening port 25 in a new account, I would like you to guide me or do that job for me please, for my is very important.

    $18 / hr (Avg Bid)
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    15 bids
    urgent error gitlab 6 days left
    VERIFIED

    gitlab error pipeline deploy error

    $25 (Avg Bid)
    $25 Avg Bid
    12 bids

    Help with CentOS VPS optimization Help with server TTFB time

    $24 (Avg Bid)
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    8 bids
    Fix issue with my VPS server 6 days left
    VERIFIED

    - Stop Plesk auto-redirect to login page - Stop Admin URL re-drect to Plesk

    $17 (Avg Bid)
    $17 Avg Bid
    12 bids
    proxy create 6 days left

    ubuntu server in conver proxy ip

    $17 (Avg Bid)
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    7 bids

    *Please read again that this is only for someone who is in Korea and has KT or SKT at home. We need access to the local Korean internet to monitor performance for our client's Korean customers for at least 48 hours. You'll need a fiberoptic/ethernet/wired connection to KT or SKT, (no VPS/IDC/Datacenter connections) any old quad-core computer that you install CentOS 7 on with SSH access and an IP straight from your ISP. If the test goes well, it could be a larger, long-term project. Thank you

    $73 (Avg Bid)
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    7 bids

    Dears, We have Linux ubuntu machine, need an exploitation within network using open ports and known ip. We know the target ip and ports etc. Important: This is only for education and learning purpose and its in our own network and i need to achieve it as a student.

    $104 (Avg Bid)
    $104 Avg Bid
    11 bids
    zimbra ose 6 days left
    VERIFIED

    looking for setup zimbra ose two way authentication

    $23 / hr (Avg Bid)
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    10 bids

    someone to help me configure a redirect through DNS from and old website to a new one not through cpanel.

    $16 (Avg Bid)
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    32 bids

    We’ve to resize and configure the sever of the partition 2 of the server for Plesk working

    $30 (Avg Bid)
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    16 bids

    I am looking for assistance with untangling firewall static routes configurations. I have a VLAN network which requires the creation of default static routes, and the details of these routes will be provided by me (the client). An experienced freelancer is needed to ensure that these static routes are properly configured. Please ensure that you are thoroughly familiar with this type of configuration and have previous experience with such projects. Flexibility and reliability are essential qualities that I expect from any contractor I choose. If you are interested in this project and have the relevant experience, I encourage you to bid on this project. Thank you. If you are not UNTANGLE Expert dont contact

    $45 (Avg Bid)
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    11 bids

    We're looking for Network Engineer level1 in Dublin, Ireland. This is an onsite job and person must be there in Dublin Duration: 1 year l, full time Start: ASAP Languages Required: English Valid work permit and CCNA certificate is required. Key Responsibilities: • To liaise with customers to troubleshoot and resolve faults, and act as an internal point of escalation for technical issues • Pro actively handle customer queries by keeping them fully informed of progress, ensuring that requests are answered/fulfilled to the customer's complete satisfaction in each and every instance • Act as an interface with service suppliers, ensuring that incidents which need to be passed to them for resolution are done so professionally with a view to rapid response a...

    $1928 - $2143
    Local
    $1928 - $2143
    0 bids

    Hello, I'm looking for someone to install and configure a npm code on my server. I do not need hosting services, however, I do need installation and configuration services for this project. It is a relatively simple project and should not require too much of your time. If you are confident that you can get this job done properly, I would really appreciate your help. Thanks, [Client Name]

    $14 (Avg Bid)
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    9 bids

    I want to configure my server to be access from VPN. I need to set up a VPN connection between host device and external computer. The project includes: Installing VPN Client software configuring VPN on Sophos XG Firewall Setting up RDP for remote access.

    $103 (Avg Bid)
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    16 bids

    [Tue Mar 21 12:20:02.612599 2023] [core:error] [pid 7535:tid 140570269751040] [client 3.142.198.44:36950] AH00124 : Request exceeded the limit of 10 internal redirects due to probable configuration error. Use 'LimitInternalRecu rsion' to increase the limit if necessary. Use 'LogLevel debug' to get a backtrace., referer: http://3.142.198.44 .

    $12 (Avg Bid)
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    6 bids
    Mobile & Static Proxy 5 days left
    VERIFIED

    We have many IP address. can you help us create proxy

    $22 / hr (Avg Bid)
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    5 bids

    I'm dreaming of owning a Minecraft server for players from all over the world (and it would be very nice to have some income from it but not needed), but I simply lack the knowledge to get started. Could anyone help me get started with this pretty big job?

    $2069 (Avg Bid)
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    26 bids

    Have directadmin but need to install CWP on new server and transfer data from directadmin to CWP server

    $232 (Avg Bid)
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    18 bids

    I want to rebuilt RAID without losing data because it shows unassigned drives as per the attached

    $100 (Avg Bid)
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    6 bids

    We need to configure Fineract, Localise the solution and also train my team on solution. If you have excellent experience working with Apache Fineract and have training and configuration experience on the platform, please let me know.

    $750 (Avg Bid)
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    1 bids

    I have a Ubiquiti Unifi network and need some assistance, happy to pay for consultation time

    $16 / hr (Avg Bid)
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    10 bids
    DB installation 4 days left
    VERIFIED

    I am looking for a freelancer to install a MySQL database on my server. I am looking for someone with experience in setting up databases, and I need a database administrator to manage the server after installation. I have a server setup and ready to go, and I need an experienced developer to get the job done quickly and efficiently. If you are confident in your skills and have extensive knowledge in setting up, administering, and managing databases, then I would like to hear from you.

    $127 (Avg Bid)
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    74 bids
    Need Linux help. 4 days left

    I have a project based on snort. I need help in that. I will share the details in chat. No companies please.

    $15 (Avg Bid)
    $15 Avg Bid
    7 bids
    AWS ECS Help 4 days left
    VERIFIED

    I am deploying containers on AWS ECS and can't get the ELB to successfully healthcheck. I see a gateway timeout. I need help with: CloudFormation ECS Fargate ELB RDS I would like to solve the problem by screen sharing.

    $47 / hr (Avg Bid)
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    17 bids
    Engineer for Jenkins 4 days left
    VERIFIED

    I am looking for a DevOps Engineer with expert experience in Jenkins and advanced understanding of related technologies. The Engineer I'm looking for should be knowledgeable in the integration, deployment and management of large, multi-functional systems, combined with expertise in design, automation, coding and scripting. They should have experience in orchestrating solutions within cloud environments and have a good understanding of the underlying infrastructure, configuration and operations. The engineer should be organized and have the ability to juggle multiple tasks simultaneously. The expert I'm seeking must have extensive knowledge in Jenkins. This includes but is not limited to a strong understanding of Jenkins pipeline development, user management, and project config...

    $12 / hr (Avg Bid)
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    9 bids

    For this project I'm looking for a VERY competent consultant on Windows systems and (maybe) on ethical hacking. Standard approach is not useful! My customer has outsourced the management of his network and now there are relationship difficulties. Security client management (in my opinion) was handled very-very-very well but now my customer has no grant to do nothing. The customer client is Windows 10 Enterprise 21H2 - Experience Pack 120.2212 Actual landscape: - His windows user is not local machine Administrator. - The local disk is encrypted via BitLocker (booting from the outside therefore does not allow reading the data) - BIOS has a password, not known by my customer. - no boot his laptop via USB - You cannot install unauthorized applications, not inserted into "Software C...

    $219 (Avg Bid)
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    15 bids

    We have an outdated SSL so we need you to tell us what to get and then install with IIS

    $122 (Avg Bid)
    $122 Avg Bid
    17 bids

    For this project I'm looking for a VERY competent consultant on Windows systems and (maybe) on ethical hacking. Standard approach is not useful! My customer has outsourced the management of his network and now there are relationship difficulties. Security client management (in my opinion) was handled very-very-very well but now my customer has no grant to do nothing. The customer client is Windows 10 Enterprise 21H2 - Experience Pack 120.2212 Actual landscape: - His windows user is not local machine Administrator. - The local disk is encrypted via BitLocker (booting from the outside therefore does not allow reading the data) - BIOS has a password, not known by my customer. - You cannot install unauthorized applications, not inserted into "Software Center". - If you try to ...

    $228 (Avg Bid)
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    10 bids

    We're looking for IT desktop support level1(onsite) in Tallin, Estonia Duration: 3 weeks Contract: full time (freelance) Start: 4 april to 28 april Skill Required: End user computing Windows installation Software installation MS office 365 Service now ticketing tool SCCM Active Directory Laptop imaging Hardware troubleshooting network printer installation Valid work permit is Required. Salary: 60 euros per day.

    $149 (Avg Bid)
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    2 bids

    I'm looking for someone to help me setup up two of the same MUNBYN model printers. I need to connect them both to the same computer and I don't need any assistance with any other peripheral devices (scanners, etc.). I'm looking for someone who is experienced with setting up printers, configuring networks, and troubleshooting printer issues. If you have the necessary printing capabilities and the expertise to help me out, please let me know. Thanks!

    $17 (Avg Bid)
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    26 bids

    WAN CONNECTION THROUGH STATIC IP & port forwarding

    $13 (Avg Bid)
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    19 bids
    V P N Expert 4 days left
    VERIFIED

    V P N Expert needed Your job is to install v2ray, trojan, vmess and other vpn protocols on digital ocean servers To create admin panel so we can create users and subscriptions

    $14 / hr (Avg Bid)
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    5 bids

    Develop a Replicator on a Single Switched lan. that's Divide a large task into multiple small tasks and assign it to a different machine on the LAN. If Interested Message me for more Details

    $90 (Avg Bid)
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    3 bids
    linux project 4 days left

    Develop a Replicator on a Single Switched lan. that's Divide a large task into multiple small tasks and assign it to a different machine on the LAN. If Interested Message me for more Details

    $92 (Avg Bid)
    $92 Avg Bid
    3 bids

    I have moved to a new server installed cPanel sites are working but sites have 3rd party SMTP settings that were working on previous server but on that server its not working I have disabled CSF Firewall and testing all settings in cPanel that I know but still failed to send emails via 3rd party SMTP service. Need someone who can fix that on anydesk

    $28 (Avg Bid)
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    10 bids

    Linux VAPT within network . Educational purpose and understanding

    $165 (Avg Bid)
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    9 bids

    we have an issue on cpanel related to db , unable to give permissions at all ! note : work is from anydesk only you can not restart , delete or do anything that may cause offline to our servers !

    $27 (Avg Bid)
    $27 Avg Bid
    27 bids

    Immediate Start We are seeking a highly motivated and experienced Desktop Support Administrator with 2-5 years of hands-on experience working with Windows technologies, such as Servers and Office 365. The successful candidate will provide technical support and assistance to our growing organization, ensuring the smooth operation of our IT infrastructure. This role will be performed remotely, working from home in the Central Standard Time (CST) time zone. Responsibilities: Provide technical support for end-users, including troubleshooting and resolving issues related to hardware, software, and network connectivity Administer and maintain Windows servers and Office 365 applications, ensuring optimal performance and system availability Monitor and respond to help desk requests in a timely ...

    $743 (Avg Bid)
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    13 bids

    We are a web hosting company that provides shared hosting, reseller hosting, VPS hosting, and dedicated servers. We are looking to hire a full time Operations Coordinator. As Operations Coordinator, it will be your duty to ensure the smooth, day to day operation of our web hosting company, so this may include both support/systems administration and also sales/admin related functions, and overseeing the support team. Training will be provided for any admin/sales/billing related functions, but you should be expected to have technical understanding of the technologies encompassing web hosting (i.e. Linux, cPanel, etc). This is a remote position. You may work from anywhere in the world as long as you have a stable and reliable Internet connection. So you can get an idea of where our remote...

    $1307 (Avg Bid)
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    45 bids

    - Tome en consideración la dirección IP asignada por su instructor LA IP ES: - Realice un esquema de direccionamiento IP en base a los requerimientos presentados para cada VLAN y enlace entre routers. Puede realizarlo a mano o en archivo digital - Implemente la configuración básica de los dispositivos de red - Implemente servicios de VLAN en los routers correspondientes - Implemente los diferentes tipos de InterVLAN que den solución y comunicación a cada sistema autónomo de la red - Implemente una ruta estática para comunicarse con el router ISP. Necesito un breve avance para el martes 21/03/2023 pero concluir el ejercicio el sábado 25/03/2023. Realizar la practica mediante estos videos de ejemplos; ADJUNTO UNA IMAGEN D...

    $26 (Avg Bid)
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    8 bids

    Need help to install Knime on my linux server. It can be Debian, ubuntu of Centos. I need the instruction on how to install it. It is an all or nothing project, so please place a bid if you have done it before. Questions, suggestion or comments are welcomed. IF you know a better alternative Knime, we can also consider

    $15 / hr (Avg Bid)
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    8 bids

    installation linux ubuntu private server to connect multiple asics on this server for solo mining 1-doge coin et ltc en dual 2 bitcoin 3-qwerty coin server live stats of méning

    $411 (Avg Bid)
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    8 bids

    Hi greetings. We are looking for someone to either make an email server with Hard Spam Fail, Anti Spam, Anti Spoofing and Scanned Attachments or we have an open source panel which has rainloop email system so they can develop in it.

    $536 (Avg Bid)
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    17 bids
    DrChrono admin 3 days left

    Administration of 2 DrChrono instances. Building and maintaining products. Building and updating reports. Providing leadership best practice guidance.

    $45 / hr (Avg Bid)
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    6 bids
    proxy fastapi setup to domain 2 days left
    VERIFIED

    proxy fastapi setup to domain when enter /api_ap its redirect to 8000 port ubuntu apache

    $15 (Avg Bid)
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    5 bids

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