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 159,690 reviews, clients rate our System Administrators 4.88 out of 5 stars.
Hire System Administrators
Powerbi migration support micro
Looking for assistance with external web authentication(centralized) for guest network to be used in multiple sites connected via VPN
Looking for an expert in setting up Apache superset instance with Redis db configured and working. ONLY EXPERTS PLEASE.
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.
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
My emails are sending and receiving BUT are going/receiving via my domain server and stating that "the actual sender of this message is different than the normal sender. Click here to learn more" --- these means that when i send my emails or receive they are going into spams as suggests my emails have been compromised but thsi is not the case - If im honest, i went into both and tried to restrict one user access - and i think that i have done something else that has caused this issue.
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
Transfer from bluehost to AWS server.
We've installed afterlogic Webmail Pro () and Active Server () of on our Plesk server. We need help to parameter the dav () and the activeserver ()
Upgraded to Cloudflare Pro and can't get my porn site to play videos on safari
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.
window vps ka ip block ha other componet proxy used kar bolck vps ko unblock karna without any software
I need to send mail from Unix using mailx command to the organisation mail..
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!
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...
I am trying to build: 1 bridged router. 2 physical wired NICs for WAN and LAN. 1 machine running Debian based OS, running hypervisor KVM/Qemu/Virt manager. 1 VM router OPNsense. The machine sees the 2 NICs, however the hypervisor seems to set up 1 virtual bridge? I think I need 2 bridges to see the 2 NICs? Here's my network topology, attached. Configuring the network has a few options like GUI: Virtual Manager. TUI: Network scripts, Nmcli tool or Virsh command. I tried the GUI, but Virtual Manager seems to show 1 NIC using Virtual Network Interface with a Network source: Virtual network 'default':NAT. I'm wondering why Virtual Manager only shows 1 NIC and a NIC unrelated to my 2 physical NICs? Virtual manager has an option in Virtual Network Interface Network source t...
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
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.
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!
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.
We are looking someone to setup email account so that we can use for our promotional emails and our application.
Define ports and inbound rules with relevant IP's
Set Namespace for newly bought domain in hostinger
I need assistance integrating a Dream Machine pro into my existing network
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...
I have a centos dedicate3d server using plesk. It's not working now with error 502. I was doing some maintanance last night and it crashed this morning. Your mission is to solve the issue RIGHT NOW keeping all data from domains, databases and so on. Atrtached is a ps aux result
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.
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,...
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...
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.
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.
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
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.
I need Odoo expert who have implementation experience for multiple companies. Expert should have skills of installation, configuration of CRM, Sales, Email marketing, Helpdesk etc. Expert will work with current team and guide/support.
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 ...
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!
Hi i have setup proxy but i need to setup SSL Proxy Help me out Regards VSR
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.
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.
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
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.
Help with CentOS VPS optimization Help with server TTFB time
- Stop Plesk auto-redirect to login page - Stop Admin URL re-drect to Plesk
ubuntu server in conver proxy ip
*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
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.
looking for setup zimbra ose two way authentication
someone to help me configure a redirect through DNS from and old website to a new one not through cpanel.
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