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 159,619 reviews, clients rate our System Administrators 4.87 out of 5 stars.
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Linux server admin for mailing mgmt. and bulk email sends.
Description: We are looking for a freelance virtualization expert to format a server where Nutanix software is currently running and then install oVirt with all its components. The main goal is to migrate all the virtual machines that are on the Nutanix server to oVirt and ensure that all the data is transferred smoothly. In addition, the freelancer is expected to configure the necessary clusters for a good functioning on another server with high availability and shared storage, essential for redundancy and continuity of service. The freelancer is expected to have extensive experience setting up and managing oVirt and have worked on similar projects before. The selected freelancer must carry out the following steps: -Format the server where the Nutanix software is currently running and...
I am looking for a dedicated WHM server admin for a 6 month agreement. Flexible working hours should be available with payment on a monthly salary basis. The ideal applicant should have excellent knowledge and experience with WHM/CPanel installation/configuration, DNS setup, database management and server optimization. This position will involve communicating with the clients and helping them to troubleshoot any issues that arise. In addition, I need someone who is able to do maintenance work on the server and ensure maximum uptime. The successful applicant should be committed and reliable in their work, have great organizational skills and be able to adhere to strict deadlines.
Ec2 Instance setup Apache setup Ftp Setup Php setup Server securities Server backups Connectors to Athena sql Athena sql setup with securities Fixed cost : 4k Start rightway NO PAK NO CHINA
I'm looking for an experienced freelancer to set up my UniFi UDM PRo vpn. I need the setup done for 10 clients. I will require 1 UDMP PRo device and the local IP range for it will be 192.168.200/201. I'm also looking for both full-site to site VPN and split tunnel VPN setup. The freelancer must have experience in udm pro projects and should be able to produce the best results. All necessary materials and tools for this project should be provided by the freelancer. issue im facing only one user is able to connect the vpn others give error.
I am the owner of an existing business and I need to redirect certain clients who use nginx from port 1557 to port 8080 in order to connect to Cloudflare. Additionally, I need to preserve the existing site's data, so therefore I need to set up a proxied redirect. This project requires somebody with experience managing server side configurations to set up the required redirects. I want to make proxy with cloudflare to hide my IP from DNS, but my clients are connected with port 1557, and cloudflare not support this Port, only like 8080. I dont want to change the Port 1557 to many workload for change. I need solution how to make best solution for this. Please let me know if you can help.
I am looking for a freelance developer to set up a Linux Postgresql BDR (Bi-directional Replication) on a server cluster. The replication I need to set up is Synchronous Replication and there is no existing data to migrate. The estimated size of the database to be replicated is small, with a maximum size of 500MB. The development of the system must ensure that all data replicates across nodes without any data loss and that all nodes have the same data. The setup must also be scalable so new nodes can be added when needed. The successful candidate must have experience setting up remote PostgreSQL BDR replication clustered systems and will be familiar with development technologies such as Python and Linux.
Hi, I'm looking for help recovering my HyperV VM. I don't have any backups available, so this will require some special know-how. The VHDX file is split into additional checkpoints which need to be MERGED into main VHDX When I try to merge the checkpoints into Parent Disk I get error.
I require assistance with installing Varnish + Redis + Nginx + Apache on a WHM/Cpanel hosting service for Magento 2. I have a WHM/Cpanel hosting service already set up and just need this set of components installed and properly configured. No database optimization or server security audit is required at this time. If you have experience with Magento 2, this should be a well-suited job for you and I am excited to get started.
need to install this script, please check the requirements. If you are expertise into this with no errors in installing will hire you... also need to install free ssl from letsencrypt...
Hello, I am looking for a Virtual Private Server (VPS) operating on a Windows Server 2012 R2 platform with 1 core, 2048MB RAM located in the US-East Coast region. As the project requires, I have ensured that I have chosen the correct runtime, license and hardware features to best suit my needs. I am confident that with this setup I will be able to handle all of my requirements. I would be grateful if anyone is able to provide me with a VPS that meets these criteria as soon as possible. Thank you for your assistance.
I am having an issue with an Internal Server Error related to my Apache server. I have already tried restarting the server, and it has not resolved the issue, so now I am looking for someone to help me diagnose and solve the problem. I do not need help troubleshooting the problem, but I am open to any suggestions or advice that may help resolve the issue. Thanks for your time!
I am looking for a Freelancer to help me extend the SUSE LINUX hard disk. I need to extend the logical volume size, and I already have a plan for the extension. The size of the extension needed is less than 1 TB. Experienced freelancers that are familiar with SUSE LINUX should be able to handle this task quickly and efficiently. If you feel like you have the skillset, please contact me and let me know!
I require bulk photo-finding services to help a digital marketing company. These photos will need to meet certain requirements and be sourced from several locations globally to keep them unique. We would like you to avoid stock photos. The photos must be high quality with no pixelation and have a minimum width of 1000px. We will assign you the types of photos we're looking for in particular categories and a list of requirements for the photos, which you must strictly adhere to. Here is an example of the types of photos we're after: Blocked Drains Tap replacements Shower repairs Hot Water Systems We have a very large list, looking for anywhere between 100-200 photos per category. There are more than 10,000 photos to source, so please only bid if you can handle this workload. We...
This is a Linux project that is currently a work in progress. I was working on this with another freelancer but he left the project midway. Documents will be provided later
I am looking for an experienced freelancer who can create a safe and reliable mining pool for Kaspa. I have already set up a VPS and domain, and the operating system is Ubuntu 18.04 - 20.04 will be installed if necessary. I would like the mining pool to have a similar design and functionality as or , with a simple and clear system. The mining pool should have the following features: User-friendly interface for miners Secure payment system Mining statistics and monitoring DDOS protection Automatic payout system SSL certificate My budget for this project is $600 USD. If you have experience in creating mining pools and can deliver a high-quality product within my budget and timeline, please submit your proposal with relevant experience and portfolio. Thank you for your interest.
I need to modify and add phone systems so I am looking for experienced freelancers to help me out. The freelancers who apply need to include detailed project proposals, and they should have a full administrative access in order to be considered. Any experience working with CISCO Unified CM administration (Phone System) will be a huge plus.
Hello! I'm having an issue with my server on AWS EC2 and I am looking for someone to help me resolve it. Since about 9 hours, my server is not reachable anymore. AWS status check failed and says "Instance reachability check failed". I haven't made any recent configuration changes to the server. The server was running for months without problems.
I need help with Mikrotik Rancid for configuration management. The purpose of this project is to use Rancid to help manage the Mikrotik devices connected to my network. This requires Rancid to be used on a Mikrotik device, rather than the other types of devices the software supports. The project does not require any modifications to the network architecture, so the work will focus on setting up the Rancid system. I am looking for someone well-versed in Mikrotik Rancid who can help me get the configuration management up and running quickly and efficiently.
I am looking for assistance setting up a Proxmox virtual machine. I already have a server but I don't have any specific OS in mind and would like to use the default settings. The goal is to set up a machine running Proxmox that is reliable and easy to manage. If the virtual machine requirements are met I would like it to be implemented in a way that optimizes performance and security. The ideal freelancer for this project should have experience setting up Proxmox virtual machines from the ground up and be familiar with security best practices and performance optimization techniques. It would also be beneficial to have experience dealing with operating systems that are compatible with Proxmox. If you think you have the relevant skillset and knowledge and would like to help with t...
I'm looking for someone to assist with migrating information from my current Xneelo (Outlook) platform to G-suite to keep Outlook sync. I will not need any help setting up the users, emails and accounts as I have staff that can do that. Instead, I require assistance with migrating all email, calendar, and contact information from my Xneelo to G-suite. If you have experience performing such a task, I would be grateful for your help. We can handle the MX record changes, but would need advice on how to do it to make sure we have only a little bit of interruptions. It is only for 7 users.
Setup a site to site VPN configuration from local to Azure Cloud.
I'm looking for an experienced developer to help me set up a secure remote desktop connection. They need to be skilled in setting up RDP as this is the type of connection I need. This project does not involve access to any specific applications, nor do I need any extra collaboration tools enabled. They just need to help me securely set up the remote desktop connection. The developer must have experience with this type of work, as well as excellent problem-solving skills.
I am looking for a Windows administrator to help me manage my small business environment. The role requires knowledge of software installation, particularly with Windows 10. The administrator would be responsible for setting up hardware and network administration, as well as providing technical solutions to companies. This is an exciting project that offers the opportunity to work with a wide range of technologies and to develop valuable skills. The successful candidate will have excellent interpersonal and problem-solving skills, as well as the ability to thrive in a fast-paced working environment.
I need someone to unblock and fix this for me wget --2023-03-29 05:59:47-- Resolving ()... , , , ... Connecting to ()||:443... connected. HTTP request sent, awaiting response... 403 Forbidden 2023-03-29 05:59:47 ERROR 403: Forbidden.
We urgently need an AWS CLI script that will automatically find all Lightsail instances, and run shell commands on them. These are 3CX servers, and we just need to remove a couple files. But we have well over 100 servers to run them against. The script needs to go to each instance and run: cd /var/lib/3cxpbx/Instance1/Data/Http/electron/windows sudo rm -rf 3CX* Time is essential - happy to pay more for fast results.
I am looking for someone to install the NGU Mailman on a Linux Debian 11 web server. Specifically I need a fresh install of a specific version. Unfortunately, I do not have SSH/SFTP/SSL access to the server so please bear this in mind when applying for the job. Thank you in advance for your offer and I look forward to working with you.
I am looking for a plesk control panel expert who can help us in different kind of tasks, along with our application developers
I have an Amazon Web Services (AWS) Lightsail Bitnami Wordpress instance that recently experienced a DDOS attack. I am looking for an experienced freelancer to help me diagnose and fix the issue with the server. It requires a network configuration fix and doesn't require any configuration changes to other installed components. I have remote access to the instance that can be used for the fix.
Need help creating a Drupal site on AWS.
I need help removing Kaspersky antivirus from my PC, which is running Windows 10. The virus has a password and I'm not sure how to remove it. I'm looking for a freelancer with the necessary experience to carry out the job. Specifics about the project include one-time configuration such as password removal and the successful freelancer should include details of their past work and experience in their application.
I need somebody to create a Cloud lab of Symantec Ghost Solution Suite 3.0 for 2 weeks only. And allow 10 users to access it Note: The bidder should have the setup files of Symantec Ghost Solution Suite 3.0 or later.
Need to move backup of cpanel to a new host server.
AWS URL 502 error need to fix,
Need installation of free web server panel on linux GCP server Need to install cassandra database
I had a 1Gb network which I upgraded recently to 40Gbps. I have DELL servers with ESXi7 installed. My issues. When I run iperf between two virtual machines, I get a bandwitch ranging from 6Gbits/sec to 10Gbits/sec. When I copy files with scp I getting a transfer speed of about 110-120MB/s which is very far from the theorical bandwitch of 1GB/s x 4 ~ 4G/s for a 40G network. Recently I discovered that encryption reduce transfer speed so, I setup FTP server. Transfer speed doubled with FTP. I got a transfer rate about 240-280 MB/s. I also updated MTU to 9000 on both hosts and VMs but transfer rates are still the same. My needs. I am looking for an Cisco/VMWare expert who can identify and solve the issue. I need 40G Network bandwidth as configured in Switch to be reflected in Virtual ma...
We have some production server running Apache2 web server with arund 100 virtual host per server. We want to be able to monitor the workload generated by each single virtual host in order to identify it a specific customer it is geneating too much load. We need help in order to properly configure apache and to activate monitoring tools so that we can achieve this goal. Wou'll NOT get access to production server so we need instruction on what to do. Thank you
Just Setup Standard Rules and directories. Setup up Inboud and Oubound Rules. Setup 5 Users. Setup the Printer Server Done
Would require one on one mentoring sessions on the mentioned devops tools on a regular or weekly basis
Hello, I have a Cisco 1815 AP and I need help converting it from CAPWAP to Cisco Mobility Express. Can you help with this? I think a firmware file is needed behind a Cisco Account
I am seeking an experienced freelancer to create a secure and reliable mining pool for Kaspa, Dynex, Ergo, Monero, and Litecoin. I have already set up a VPS and domain, and the operating system is Ubuntu 18.04, which can be upgraded to 20.04 if necessary. The mining pool should have a user-friendly interface and a clear system, similar to , , or The mining pool should possess the following features: A user-friendly interface for miners A secure payment system Mining statistics and monitoring DDOS protection An automatic payout system An SSL certificate My budget for this project is $600 USD, but I am willing to negotiate. If you have experience in creating mining pools and can deliver a high-quality product within my budget and timeline, please submit your proposal along with your rele...
Requerimiento Obligatorio : Hablar Español Configurar Mikrotik Conocimientos requeridos Switch Vlan Trunk Vlans Walled Mangle NAT Filter Rules PPTP - L2TP Certificados Radius USERMAN USERMANAGER
looking for someone can recover file deleted from server ASAP
I am looking for a talented Linux professional to build a new product from an existing codebase. The project will involve customizing the existing codebase to include additional functionality. The timeline for the project is estimated to be less than 2 hours. this project is expected to be delivered quickly and cost-effectively, solid communication and high availability are both highly appreciated. If you think this could be the right opportunity for you, please get in touch. I look forward to working together.
Provide guidance on solution requirements, technical design, integration architecture, and solution recommendations. Perform administration of the Coupa instance.
Configure, implement and demonstrate a working simulation of the following practical scenario implemented using all or some of the following tools. Virtual Machines, GNS3, Syslog, Observium & PFSense. devices in the above topology must be able to communicate with each other. Webservers should send their respective syslog traffic to the Kiwi Syslog Server. Company Router and Kiwi Syslog Server should pass their SNMP traffic to the Observium Server PfSense to Block all external traffic and allow Staff PC 1 to communicate with the DMZ Web Server.
Hi there! I am in need of someone who can help me configure new relic on my ec2 servers that are running Linux. I need help specifically with monitoring the transactions that occur on the servers, and the type of data that is important for me to monitor is error log analysis. need to monitor web server and chrons
I have Kali Linux on Virtual Box and need someone to install Security Onion onto the Virtual Box (File provided) also. Once Security Onion is done I need you to ping the Kali Linux and Security Onion together. Will provide a document with required setting
I need a windows 10/11 with the intel raid drivers so I don’t have to change the storage settings in bios. I would like to keep bios default with “RAID On”. Thanks,
FIVEM GTA5 ESX Script installation