Administrador do Sistema 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!A partir das avaliações de 159,844, os clientes avaliam nosso System Administrators 4.88 de 5 estrelas.
Contratar System Administrators
I am looking for someone to help set up our project's environment on AWS and GIT, as well as setting up nameserver settings. I already have an existing domain, and I need assistance with the nameserver configuration. The ideal freelancer will have experience working with AWS and GIT, as well as nameserver settings. Please include examples of past projects you have worked on. If your background meets our needs, please apply for this job and we look forward to reviewing your application. Thank you! I am not a developer. We currently have an AWS server and a github project folder. However, any changes I make to the information in AWS or GitHub are not being reflected on the server. I need advice and configuration from a developer who can identify and answer the problem.
Please see attached rejected mail header. For one customer we get "Message delivery to a customer failed an is returned with this a 554 MTA's poor reputation header " I think this relates to the from shows as the localhost IP address from our mail server as this looks wrong (see attached rejected mail header)? Our reputation is neutral and our server name and IP address are not blacklisted.
It's been two days I tried to connect InfluxDB UI with the browser. Nothing is working! I followed every advice from ChatGPT as well as on stackoverflow and github. I am not sure where I can find the issue now. When I enter localhost:8086 in the browser, I got a 404 error. Can you help me?
Hey there, im looking for someone who could help me to make a bugfix on a Side by Side VPN. I have a Server in the Datacenter running opensense and i have a OpenWRT router at home. I would like to create a Side by Side connection between. Everything is setup, but i have somewhere a little config glitch and i can't find whats the problem. Are you able to help?
Job Description: We are seeking a skilled and experienced Web Security Specialist to join our team (). As a Web Security Specialist, you will be responsible for protecting our organization's web-based systems and applications from unauthorized access, hacking, and other security threats. You will work closely with our development team and system administrators to identify and resolve vulnerabilities, develop and implement security policies and procedures, and ensure compliance with industry standards and regulations. Responsibilities: • Conduct regular security assessments of web-based systems and applications • Develop and implement security policies and procedures • Monitor web traffic and log files for suspicious activity • Collaborate with developers and sy...
Hello, I am looking for a reliable and effective system administrator that can work on linux and windows servers. I have four servers (currently) and look for someone long term to help me. Some of the requirements: * set up servers * connect them to the correct domain * update keys * setup frequent backups Looking for an immediate start. MUST be able to demonstrate previous experience.
I am looking for a Freelancer who can help me with an issue that I'm facing with my website. My website links are causing some SEO difficulties and I need help with URL redirection in order to improve the overall performance. Currently, the website's SEO is at an average status so I am interested in finding someone who can get my website links properly redirected in a way that will improve my website's rankings and drive more traffic to the site. We are using Cloudflare, that's means you need to have a good experience with Cloudflare to fix our problems.
I am looking for someone who can help me with fixing the problem with Prestashop - I upgraded prestashop from 126.96.36.199. to 188.8.131.52 version. After upgrade I can't upgrade any module. I am getting error Could not perform action update for module undefined. If I enable debug mode in the administration I am getting HTTP 500 Internal Server Error. Thank you
Description: I need you to install app, manage the server and make sure it works and handle server related errors. I need about 10 hours/month and support other any issue occurs Budget: I will pay from $80 - $150/month Requirements: - You are a full-time freelancer. - Strong experience with AWS, Linux, Nginx, PHP, Laravel, Apache, LiteSpeed, and Mail server - Experience with configuration management tools such as Ansible, Chef, or Puppet - Experience with continuous integration and deployment tools such as Jenkins, Travis CI, or CircleCI - Strong scripting skills in languages such as Bash, Python.. - Experience with version control systems such as Git - Knowledge of database administration and management - Strong troubleshooting and problem-solving skills - Excellent communication and...
Seeking solid HP-UX administrator with experience working with HP PA RISK servers as a part of data center migration project. Looking for someone with installing and supporting HP-UX 11.11 and connecting with EMC CX4 SAN.
Configure the default contact Webform Submission View to filter between a date range Requirements: - 1 - Default Drupal latest 9 or 10 version Instance - 2 - Add Date Element to the default Contact Webform - 3 - Configure Views to Filter between dates from the data inputted into the Date Element Successful configuration displays the filter at /admin/structure/webform/manage/contact/results/submissions. Delivery Methods: - 1 - Export and send the relevant config file. - 2 - Configure remotely via AnyDesk access.
need to setup Dell EMC R550 setup with install webserver Cent os and install Whm
Need support for networking and cisco Ftd and fmc and f5 load balancer LTM , APM
Looking for anyone who can help setup Validator Nodes on multiple Blockchain Testnets. Ping me if you know what you are doing. VPS setup preferred.
Need an expert for doing a small project on cache server and proxy server.
I am currently experiencing a TFTP timeout error with my Cisco CUCM server. I have access to the CUCM server and do not know if a network firewall is blocking CUCM traffic. I need help discovering the issue and resolving it.
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
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
Por favor, Cadastre-se ou Faça Login para ver os detalhes.
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
Linux Ubuntu PENTEST Expert. Need to have a pentest in our own NW environment.
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.
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.
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.
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
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!
Require voip expert for installing fusionpbx and configuring it with our termination provider ip address.
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.
I am in need of assistance with a DNS configuration issue. The domain name system being used is dns, and the issue is that the MX record configuration is needed. I have gone with a dns system, however I need someone to help configure the MX record settings. Knowledge on this type of setting is key in order to complete this task. If you have the expertise with domain name systems, please help me out! Thanks.
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.
Need help with VPS DNS and Email setup
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
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.
Upgraded to Cloudflare Pro and can't get my porn site to play videos on safari
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.
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...
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