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 158,464 reviews, clients rate our System Administrators 4.86 out of 5 stars.
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    56 jobs found, pricing in SGD

    Title: Plesk Server Troubleshooting I am in need of a freelancer who can help me troubleshoot my Plesk server. Currently, all the websites within Plesk are not working and only show the default page of Plesk. I have already tried restarting the server with no success. I am a beginner with Plesk and have not received any specific error messages. Ideal Skills and Experience: - Experience with Plesk server administration and troubleshooting - Knowledge of server configurations and settings - Ability to diagnose and fix server issues - Excellent communication skills to explain technical issues to a non-technical person like myself.

    $67 (Avg Bid)
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    16 bids
    Akamai Security Expert -- 2 6 days left
    VERIFIED

    I am looking for an Akamai Security Expert to provide ongoing maintenance and support for my website's security. Specifically, I need assistance with the Kona Site Defender and Web Application Firewall services. The ideal freelancer for this job will have past experience in Akamai security and can provide examples of their past work. The primary goal for this project is to enhance the overall security of my website through ongoing maintenance and support.

    $34 / hr (Avg Bid)
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    10 bids

    Goal: I am looking for a skilled freelancer who can help me connect my vm router to br0 to NIC0 as soon as possible. I am using Virtual Machine Manager 4.0.0 and have some experience with configuring network settings in a virtual environment. However, I need someone to guide me through the process. Ideal candidates for this job should have experience with virtualization software, networking, and must have completed similar projects in the past. The following are the key requirements for this project: - Connect vm router to br0 to NIC0 - Guide me through the process - Experience with virtualization software - Knowledge of networking - Ability to complete the project as soon as possible I've reinstalled the Ubuntu 22.04, VMM 4.0.0 and VM pfSense. Ubuntu pings the Internet (very slow...

    $150 (Avg Bid)
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    9 bids
    organise office folders 6 days left
    VERIFIED

    I'm looking for someone to help organise my office folders. The current state of the office folders is partially organised, so I'm looking for someone to take it up a notch and make it well organised in a physical filing system. I'm looking for someone to get this done quickly and am open to a flexible timeframe.

    $102 (Avg Bid)
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    68 bids
    Slow windows server 6 days left
    VERIFIED

    Slow Windows 2022 Server I have a 8 month old Windows server that has started running very slowly and often unresponsive. The server is used for multi-user RDP connections but performance is poor even when only admin account logged in. As an observation on it only gets circa 50-100mb whereas uploads are closer to 1000mb which downloads were until recently. Have already swapped memory, run chkdsk and sfc but with no success. Ideal Skills and Experience: - Experience with Windows server optimization and troubleshooting - Knowledge of network performance analysis tools - Familiarity with server hardware and software maintenance - Ability to diagnose and resolve performance bottlenecks - Excellent communication skills to explain technical solutions

    $283 (Avg Bid)
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    18 bids
    Akamai Security Expert 6 days left
    VERIFIED

    I am looking for an Akamai Security Expert to provide ongoing maintenance and support for my website's security. Specifically, I need assistance with the Kona Site Defender and Web Application Firewall services. The ideal freelancer for this job will have past experience in Akamai security and can provide examples of their past work. The primary goal for this project is to enhance the overall security of my website through ongoing maintenance and support.

    $34 / hr (Avg Bid)
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    12 bids
    Epic Caboodle Setup and Admin 6 days left
    VERIFIED

    Looking for an expert Caboodle Setup and Admin specialist who has set up Caboodle for a healthcare system. Need to person to help scope the solution and define dmc that need to be exported from Epic clarity to caboodle and monitor the jobs for internal and external data. Experience extending caboodle with external data is also a plus

    $662 (Avg Bid)
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    8 bids
    FreePBX Dynamic Routing 6 days left
    VERIFIED

    I am looking for a freelancer who can help me with my FreePBX Dynamic Routing project. My current setup is a Single Server. I need a developer who can set up a mySQL database to capture caller inputs in order to enable dynamic routing. I require 2-4 different routing options. The contractor will only be able to access the system through me I don't have remote access. Also, the person will need to walk me through each step of development and implementation. Ideal skills and experience for this job include: - Strong experience with FreePBX and mySQL - Knowledge of dynamic routing - Ability to create customizations and integrations when necessary - Excellent communication skills and ability to work independently

    $583 (Avg Bid)
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    40 bids

    I am looking for someone who can remove a specific web crawler from my AWS EC2 instance. The web crawler in question is [insert name here]. I have SSH access to the instance and there are no other web crawlers that need to remain. Ideal skills and experience for this job include: - Proficiency in AWS and Linux command line - Experience with web crawlers and their removal - Attention to detail to ensure no other important files or processes are affected during removal

    $188 (Avg Bid)
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    39 bids

    Is a small restaurant, a Japanese cuisine we need a good manager with good customer service skills and experience to start asap .

    $418 - $1255
    Local
    $418 - $1255
    0 bids

    I am experiencing a virus/malware issue on my Windows computer and I am not sure where to start troubleshooting. Therefore, I am seeking a professional to help fix the issue. Ideal skills and experience for the job include: - Knowledge of virus/malware removal techniques - Familiarity with Windows operating system - Experience with troubleshooting computer issues - Ability to communicate clearly and provide helpful guidance for prevention of future issues.

    $67171 (Avg Bid)
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    2 bids

    I am looking for a freelancer who can help me set up a VPN that will allow me to access my work remotely. My primary use for the VPN is remote work access. I will need to connect a mix of devices to the VPN, including desktop/laptop computers and mobile devices. Therefore, I need someone who is experienced in setting up VPNs for a variety of devices. I require full setup assistance for the VPN, including software installation and configuration. The ideal freelancer will have experience in VPN setup and configuration, as well as knowledge of different devices and their compatibility with VPNs. Our business' requires that we have many linked in profiles with many people from my industry. We have had a real hard time in cretin these without getting restricted by linked in. I suspect ...

    $545 (Avg Bid)
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    12 bids

    Our company is currently in need of a skilled freelancer to assist us with our PBX system maintenance. We currently have a VoIP system in place and require maintenance to migrate the system and develop and provide solutions for repairing any issues. Ideal Skills and Experience: - Experience in VoIP systems - Knowledge in system migration and development - Troubleshooting and repair skills Timeline: - Flexible (2+ weeks) If you possess the necessary skills and experience, please do not hesitate to apply.

    $27 / hr (Avg Bid)
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    16 bids

    I need to get this SUSE NeuVector for EKS up and running at aws so i can see how the system works. would be great if you have experience with neuvector but if you are up to the task of getting it deployed in our aws acct we would like to meet you. as we understand it things should be straightforward as we were given this link - we need your help getting things provisioned in the account and then access to the web gui of this application so we can tour it. we need this up and running very quickly so please bid only if you can jump on this immediately and be done in a few hours. so i know its not a bot bid please answer 8 +1 =

    $48 / hr (Avg Bid)
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    32 bids

    I am looking for a freelancer who can convert my AIR-CAP3702I-E-K9 from Lightweight to Autonomous. I have the necessary software and tools to perform the conversion, but I need assistance from someone who is familiar with the process. I have a list of specific requirements and features that I want to be enabled after the conversion, so I am looking for someone who can follow my instructions and deliver a high-quality product. The ideal freelancer for this job has experience with Cisco products and networking, and can provide detailed documentation of their work Cisco Arionet "AIR-CAP3702I-E-K9" and I want to convert it from Lightweight to Autonomous..

    $54 (Avg Bid)
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    9 bids

    I am looking for a freelancer who can help me troubleshoot my ECS & Springboot app. The app is not starting up on ECS, even though it is working fine in docker-compose local. I have checked the ECS configuration and deployment settings, and everything seems fine. Ideal skills and experience: - Experience with ECS & Springboot app troubleshooting - Knowledge of docker-compose and ECS configuration - Ability to identify and resolve issues with app startup - Strong problem-solving skills - Excellent communication and collaboration skills - Familiarity with AWS and cloud-based deployments

    $77 (Avg Bid)
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    7 bids

    Help Plesk Subdomain work from anydesk

    $44 (Avg Bid)
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    31 bids

    I am looking for a freelancer who can help me resolve a permission denied issue when attempting to share NFSv4 from Truenas Scale to synology NAS . The current configuration of both systems is customized settings. Although I don't have any specific error messages or logs related to the issue, I am looking for someone with the following skills and experience: - Strong understanding of NFSv4 and its implementation - Experience working with Truenas Scale and Proxmox systems - Ability to troubleshoot and resolve permission denied issues - Familiarity with customized system configurations If you have the skills and experience I am looking for, please bid on this project.

    $731 (Avg Bid)
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    12 bids

    I am looking for a freelancer who can help me with my AWS server security check and patch. Currently, I am experiencing security breaches on my small AWS infrastructure of 1 instance, and I need someone with the ideal skills and experience to resolve this issue. The ideal freelancer will have experience with AWS security, including server hardening and patching. Additionally, they should have experience with AWS IAM and AWS Security Groups. They should also have experience with configuring and managing firewalls, intrusion detection and prevention systems, and other related security technologies. Overall, I need a freelancer who can quickly and effectively address my AWS security issues and help me ensure that my infrastructure is secure and protected.

    $12 / hr (Avg Bid)
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    22 bids

    I am in need of a freelancer who can help me fix an issue with my email forwarding. Currently, I am using Gmail as my email service and have set up email forwarding using a custom domain. However, I have noticed that emails are not being received in Gmail through forwarding. Ideal skills and experience for this job include: - Experience with email forwarding and troubleshooting email issues - Knowledge of Gmail and custom domain email settings - Proficiency in DNS settings and configuration If you have experience with these skills and can help me fix this issue, please submit a proposal for this project.

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    19 bids
    VPN project 4 days left

    We are having an on premises inventory management system installed at our office. In order to use the software remotely we have been told we need to get a VPN installed to access it remotely so we can use the client software on our laptops. We would like a quote for how much this would cost.

    $222 (Avg Bid)
    $222 Avg Bid
    27 bids
    Cpanel support 4 days left
    VERIFIED

    I am in need of Cpanel support to address my email configuration issues. Specifically, I require assistance with troubleshooting existing email accounts. The resolution of this issue is time-sensitive, as I need it resolved within 24 hours. Ideal skills and experience for the job include expertise in Cpanel, email configuration, and troubleshooting.

    $7 / hr (Avg Bid)
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    32 bids

    I am in need of a Microsoft Exchange Server specialist who can provide ongoing maintenance for my Exchange 2012 R 2 platform. The ideal candidate will have experience in addressing email delivery problems and ensuring optimal performance and security. Additional requirements include: - Ability to troubleshoot and resolve email delivery issues in a timely manner - Expertise in maintaining and managing Exchange 2012 R 2 server - Understanding of Exchange server architecture and protocols - Knowledge of Active Directory and related technologies - Familiarity with backup and recovery solutions for Exchange server - Excellent communication skills and ability to work collaboratively with our IT team - Exchange server troubleshooting

    $298 (Avg Bid)
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    16 bids
    Qnap client drive setup 4 days left
    VERIFIED

    I need someone to set up my Qnap device for file sharing purposes. I already have the Qnap device and hard drives. The ideal freelancer for this job will have experience in Qnap device setup and file sharing. The client devices that will be accessing the Qnap drive are Windows devices.

    $9 / hr (Avg Bid)
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    7 bids

    I am seeking a skilled Cisco technician to help resolve a connection timeout issue on my Cisco 4331 ISR. The issue appears to be affecting our LAN connection, though I am not sure if it is persistent or intermittent. I do know that we have recently made changes to our network configuration, which may be contributing to the problem. Ideal skills and experience: - Experience troubleshooting Cisco 4331 ISR routers - Knowledge of LAN connection issues and how to resolve them - Familiarity with network configuration changes and their potential impact on connectivity - Strong problem-solving skills and attention to detail.

    $30 (Avg Bid)
    $30 Avg Bid
    19 bids

    Need Help Deleting Some Space on Ubuntu /dev/sda2 drive

    $11 / hr (Avg Bid)
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    29 bids
    AWS expert 4 days left
    VERIFIED

    I have a AWS Windows instance. We no longer want the SSH security but chose SSM. Can anyone connect and show me to install the SSM ?

    $44 (Avg Bid)
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    18 bids
    DigitalOcean VPS EXPERT 4 days left
    VERIFIED

    Hello, We have our own VPS inside digitalocean with ubuntu 22.04 and plesk for manage our website etc. but plesk take many hard space memory, so we need to add new volume for avoid issue about space enought. We want hire you, for setting new volume on our vps, and all file need to be send to this new volume. I can hire you now for fix this issue. thx you

    $9 / hr (Avg Bid)
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    13 bids

    V-P-N backend Expert needed Creating V-P-N deployment script Creating V-P-N servers Management Panel with logs, client, admin, monitoring Buying servers on different locations ( We need your suggestion, we pay, not you ) We work with professional experts ( ONLY )

    $48 / hr (Avg Bid)
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    25 bids
    linode server restrications 3 days left
    VERIFIED

    Linode Server Restrictions for Malicious Activity I need to implement specific restrictions on my Linode server to protect against malicious activity as soon as possible. Restrictions to implement: - Firewall rules to block unauthorized access attempts - Access control policies to limit access to authorized users only - Resource limitations to prevent DDoS attacks and malware infections Malicious activity to protect against: - DDoS attacks that can overload my server and cause downtime - Malware infections that can compromise my data and network - Unauthorized access attempts that can lead to data breaches and security threats Ideal skills and experience for the job: - Strong knowledge of Linode server management and security - Experience in implementing firewall rules, access control...

    $121 (Avg Bid)
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    15 bids

    I need someone to help me fix a small server issue on my VPS hosting at Godaddy. The main issue I am experiencing is Bad Gateway it is showing, even though I renewed the hosting. The ideal candidate should have experience in Windows/Linux server administration and troubleshooting. They should also have experience in VPS hosting and be able to identify and fix server downtime issues quickly and efficiently.

    $38 (Avg Bid)
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    33 bids

    I need someone to maintain and help upgrade our current server. We use it to deploy drivers and install windows to multiple PCs at a time. We need someone to help us with issues it's having. Ideal Skills and Experience: - Experience with Windows Deployment Server Manager - Strong knowledge of Windows Server 2019 - Experience with upgrading deployment systems - Ability to troubleshoot and resolve performance issues - Excellent communication skills for collaborating with our team.

    $51 / hr (Avg Bid)
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    17 bids

    Hello and hope you are well, Would like a container for my existing HTTPS install and to make ONE folder browse-able The folder is /var/www/html/artifacts Would like to keep my existing /etc/ (and will gladly share this) and existing certificates, etc, etc, etc Am using kubectl on top of "kind" Have a way we can screen share ? There is hope you can give your “best” price; unemployed, and have cancer with bills backing up, $10 possible? Please note $10 is the max total that I can handle for this (doing hourly reduces % fee). Will leave a Glowing paragraph of feedback 5 stars : - ) My funds are low but will pay quick and leave 5 stars. Please give your best possible for your bid ? (something reasonable?) Please note there is hope we can mutually complete this...

    $23 / hr (Avg Bid)
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    4 bids

    we have a dedicated server (with plesk) with a prestashop 1.6 site inside with PHP 7.1.33 a cyclical update of the products via webserver (API) is carried out. When this update procedure takes place (about 40-50 products at a time every 10 minutes) the front-end site becomes inaccessible. the CPU reaches very high levels and the site is blocked. we want to solve the accessibility problem, we have another site (same characteristics) on a shared hosting where the same procedure takes place and does not crash

    $24 / hr (Avg Bid)
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    50 bids

    V-P-N backend Expert needed Creating V-P-N deployment script Creating V-P-N servers Management Panel with logs, client, admin, monitoring Buying servers on different locations ( We need your suggestion, we pay, not you ) We work with professional experts ( ONLY )

    $230 / hr (Avg Bid)
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    29 bids
    I need a custom mail server 2 days left
    VERIFIED

    Custom mail server means. Like, Postfix or Exim or Qmail But for your purpose or the like systeme.io. it should be a cluster setup with IP rotation and pooling it will be an architecture setup

    $62 (Avg Bid)
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    1i trieod to put protocols in it 2 i tried to redirect it to wich is my new domain 3 now for some reason its down and the sub domain of and is down also my gmail was connected to the domain at and i tried to redirect it to and its not working now i probebly did sothing wrong

    $27 / hr (Avg Bid)
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    45 bids

    I am looking for a freelancer to troubleshoot an issue with SQLexpress timeout loading service in Windows 2k16. Requirements: - Experience with SQLexpress configuration and Windows 2k16 - Familiarity with troubleshooting timeout loading services - Ability to diagnose and resolve error messages - Availability to address the issue in a timely manner The priority level for this issue is medium, and there have been no recent changes to the SQLexpress configuration or server environment. There are specific error messages appearing that need to be resolved promptly.

    $188 (Avg Bid)
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    16 bids

    I am looking for a freelancer who can help me shift my AWS server to Digital Ocean. The specific AWS service currently being used is EC2 Instances. I require complete setup assistance for the Digital Ocean environment and my preferred timeline for the migration is within 2 hours. The ideal candidate should have experience with server migration and setting up Digital Ocean environment.

    $118 (Avg Bid)
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    20 bids

    Have a Firewalla gold router and firewall. Using Omada EAPs, 1 managed Omada switch, 2 unmanaged netgear switches, and Omada oc200 controller. Looking for 2 deliverables: 1. Create VLAN for IoT devices 2. Setup 1-way communication so devices on main network can access printer/Roku/etc on IoT VLAN

    $79 (Avg Bid)
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    10 bids

    We have a virtual server with Servers Australia and we are Looking for a WHM specialist to provide ongoing support with maintaining, troubleshooting and other smaller tasks like adding SSL Certificates to domains etc. Ideal candidate should have experience in server configuration and website migration to also assist when software upgrades need to be applied annd other issues that may arise and need to bbe addressed.

    $21 / hr (Avg Bid)
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    44 bids
    Error 522 Cloudflare 2 days left
    VERIFIED

    I am in need of a skilled developer who can assist me in resolving Error 522 on my website. The error is occurring throughout the entire website and I have already tried contacting Cloudflare support, but their response was not satisfactory. There have been no recent changes made to the website or server configuration that may have triggered the error. Ideal skills and experience for this project include: - Experience in webmin and virtualmin panels - Expertise in Cloudflare and website server configuration - Experience troubleshooting and resolving Error 522 - Strong communication skills to effectively communicate progress and updates throughout the project. If you have the necessary skills and experience to successfully resolve this issue, please submit a proposal. Thank you.

    $27 (Avg Bid)
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    13 bids

    I am looking for a professional to set up a secure VPS server to host my video tube website. I prefer Linux as the operating system and have no preference for the control panel, open to suggestions. Ideal skills and experience: - Expertise in VPS server setup and management - Knowledge of Linux operating system - Familiarity with different control panels - Experience in hosting and managing video tube websites - Strong understanding of website security and implementing measures to ensure it. Need someone with webserver knowledge to configure and install necessary plugins to run my website securely. - Includes installing file manager - Configuring firewall or configure network. - Installing apache - Installing php - Installing phpmyadmin and configuring it. - Installing ffmpeg - Inst...

    $206 (Avg Bid)
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    48 bids

    i am looking for a linux admin to transfer the website

    $19 / hr (Avg Bid)
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    37 bids

    I am in need of remote assistance to install the g++ 9 compiler on my existing Debian system. The project is for personal use and I have a high-speed internet connection that I can use for this purpose. I have a Debian system already set up and ready for installation. It needs to be version 9.

    $31 (Avg Bid)
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    16 bids

    whm sql upgrade failed need to update or downgrade to old - only anydesk urgent

    $43 (Avg Bid)
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    9 bids
    Connect node to whm 1 day left
    VERIFIED

    I am looking for a freelancer who can connect Node.js to our WHM on a dedicated server. We are not sure if any specific configurations or settings are required, so we need someone who is knowledgeable and can guide us through the process. We are open to installing any version of Node.js, whether it be the latest stable version, long term support version, or a specific version. The ideal candidate should have experience with server configuration and Node.js installation.

    $35 (Avg Bid)
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    18 bids

    I get denied my vps is in ubuntu

    $30 (Avg Bid)
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    29 bids
    Plesk support 22 hours left
    VERIFIED

    I am looking for a freelancer who can provide Plesk support for my website. Specifically, I am currently using Plesk Obsidian and require troubleshooting and issue resolution. The main issue I am experiencing is that my Plesk version is not supported and I am unable to connect to Plesk admin. Ideal skills and experience for this job include: - Experience with Plesk Obsidian - Strong troubleshooting and issue resolution skills - Knowledge of server configurations and email configurations - Familiarity with website performance optimization and security concerns.

    $39 (Avg Bid)
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    20 bids

    For my upcoming reception event, I am looking to hire a freelancer for event guest check-in. I am expecting between 50 and 100 guests to attend the event, so it is important that the check-in process is efficient and accurate. Rather than a paper guest list, I would like to use a digital guest list to streamline the process. No additional services are required. I am looking for a reliable freelancer to quickly and accurately process my guests during the event.

    $63 / hr (Avg Bid)
    Local
    $63 / hr Avg Bid
    2 bids

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