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!จาก 163,374 รีวิว ลูกค้าให้คะแนน System Administrators 4.87 จาก 5 ดาว
จ้าง System Administrators
I am looking for a freelancer who can help me install Windows Server 2019 on my Ubuntu Linux server without boot access. Here are the project requirements: Operating System: Ubuntu License: I have the necessary license for Windows Server 2019. Configuration: I only need the basic installation of Windows Server 2019, no specific configurations or applications are required. Ideal Skills and Experience: - Experience with Linux servers, specifically Ubuntu - Proficiency in installing Windows Server 2019 - Knowledge of iLO (Integrated Lights-Out) for remote server management If you have the expertise and can successfully install Windows Server 2019 on my Linux server using iLO without boot access, please bid on this project.
I am looking for a freelancer who is experienced in configuring port forwarding on a Fortinet FortiGate 60E firewall. Project Requirements: - Configure port forwarding on the FortiGate 60E firewall - The purpose of the port forwarding is to allow remote access to a specific server - Only TCP traffic should be allowed through the forwarded port Ideal Skills and Experience: - Strong knowledge and experience with Fortinet firewalls, specifically the FortiGate 60E model - Experience in configuring port forwarding and remote access on Fortinet firewalls - Understanding of TCP traffic and its configuration on firewalls Please note that the specific details of the port forwarding and server will be provided upon acceptance of the project.
looking for a skilled freelancer to deploy our project onto a Digital Ocean droplet. The successful candidate will be responsible for setting up all necessary configurations, including databases, and ensuring that user authentication features are fully functional. Additionally, the freelancer should implement a password reset functionality that sends out an email link for users to reset their passwords. Key Responsibilities: Project Deployment: copy the project from my repository Configure the Digital Ocean droplet for optimal performance. Database Setup: Configure and set up any necessary databases required by the project. Ensure database connectivity and integrity. User Authentication: Verify and configure user authentication mechanisms. Test and ensure that user login/logout functio...
I am looking for a freelancer who can help me set up a Linux mail relay server using Sendmail. Preferred Mail Server Software: Sendmail Domain Configuration: I need the mail server to be configured for relaying email from multiple domains. Security and Spam Filtering: I require advanced security features to be implemented on the server. Ideal Skills and Experience: - Strong knowledge and experience in setting up Linux mail relay servers - Proficiency in configuring Sendmail - Familiarity with managing multiple domains on a mail server - Expertise in implementing advanced security features and spam filtering on a mail server
Hi there! We are looking for a consultant who is an expert in Linux Servers. This person will need to guide my firm to find a Hosting provider and their respective solution that will best match our requirements post analyzing our existing server configurations. We will also need recommendations on new features that need to be part of the server configuration that we currently don't have and would make sense given the new technologies that are out there. We are looking for a fixed bid to get this process going.
Hi, I am running a Postfix server along with 2 DNS servers. I had to change the the IP address of mail server. After changing the IP I got DNS entry updated including SPF. Everything is working fine but when I send a mail to yahoo it's going to spam and it shows "dkim=unknown". So this need to be resolved.
Project Title: Cron job not working show 500 error Description: I am looking for a freelancer who can help me with my cron job that is not working and showing a 500 error. Skills and Experience: - Strong experience in troubleshooting and fixing cron job issues - Proficient in the chosen cron job type (Auto profits adding) - Familiarity with server management and cron job setup - Knowledge of server operating systems, particularly Linux (although the operating system is not confirmed) Responsibilities: - Identify and resolve the issue causing the cron job to show a 500 error - Ensure the cron job is functioning correctly without any errors - Provide documentation and guidance on how to maintain and troubleshoot the cron job in the future Please note: Access to the server where the cron...
I am seeking a freelancer who can help me with implementing Mikrotik Netflow for network monitoring. I have a small network size, consisting of 1-10 devices. As I am new to Mikrotik Netflow, I will need guidance on the setup process. Requirements: - Experience with Mikrotik Netflow implementation - Knowledge of network monitoring tools and techniques - Ability to provide guidance and suggestions for the setup process Ideal Skills and Experience: - Familiarity with Mikrotik routers and their configuration - Proficiency in network monitoring and analysis - Strong understanding of bandwidth management and security analysis If you have the necessary skills and experience, please reach out to discuss further details of the project.
I am looking for a network manager with experience in Asterisk PBX systems to help me set up and maintain my communication infrastructure. Specific features needed: - Call routing and forwarding to ensure efficient call management - Voicemail and greetings for professional and personalized customer interactions - Conference calling for team collaboration and remote meetings Integration with other communication tools: - Integration with other communication tools is required to streamline communication processes and ensure seamless connectivity. Ongoing maintenance and updates: - Assistance with regular maintenance and updates of the Asterisk PBX system is needed to ensure smooth and uninterrupted communication. Ideal skills and experience: - Strong knowledge and experience with Asteris...
I am looking for a Linux system administrator to provide general assistance with Linux administration for my Helios project. The ideal candidate should have experience with Linux administration and be familiar with the Helios distribution. Tasks and issues that may arise include: - GUI login window does not appear but I can see the background with the cursor moving. Also, I am able to login to the terminal with root access. The freelancer will only have access to the system for providing advice and guidance, and will not have full root access.
**Project Description: Web Hosting Support Freelancer** We are seeking a reliable freelancer to support our web hosting company as a support representative. The ideal candidate should be an experienced Linux system administrator with a solid understanding of Plesk and Cpanel. **Tasks:** - Handling approximately 40 support tickets per day, primarily in German. - Translating tickets into English for processing. - Crafting responses in German, which can be translated into high-quality German using DeepL or ChatGPT when necessary. **Requirements:** - Experience as a Linux system administrator. - Proficiency in Plesk and Cpanel. - Fluent in German, good English skills. - Ability to communicate technical information clearly and comprehensibly. **Tools:** - Utilization of DeepL or ChatGPT for...
I am looking for a freelancer who can help me set up a network domain on a Windows Server 2019 for my small business. The main purpose of this setup is to create a secure network environment. Specifically, I require the following server roles and features to be installed: - DNS Server: to manage the domain name system and ensure smooth network communication. - File and Storage Services: to enable sharing and storage of files within the network - integration of office 365/azure ad to sync office 365 apps and usernames with online azure and local network. Additionally, it is important that the setup integrates with Office 365 users, allowing seamless access and collaboration with our cloud-based applications. Ideal skills and experience for this job include: - Proficiency in Windows Se...
I am looking for a freelancer who can troubleshoot the Unifi network connectivity issues I am experiencing on my home network. Skills and Experience: - Experience in troubleshooting network connectivity issues - Knowledge of networking protocols and troubleshooting tools - Familiarity with home networks and their configurations - Understanding of IoT devices and their connectivity requirements Specifically, the freelancer should be able to: - Identify and resolve any network connectivity issues affecting my home network - Ensure a stable and reliable internet connection - Troubleshoot any security vulnerabilities that may be present on the network - Provide recommendations for improving the network's performance and security The devices connected to my network include IoT devices ...
I need a server expert. I have 2 servers I need to set up. 1st. It would be a migration from one Cpanel to another Cpanel, but you have to review, optimize, and adjust and put security, etc., since right now I am having problems with hacks, attacks, etc., and I have bought a new server 2nd it would be a new server, but for docker, to host mobile applications, etc., and to be able to access through SSH to host apps, websites, backend, etc., we have to be able to create independent accounts for each project, and be able to point the domain and put wordreps type platforms too
I am looking for a freelancer to help me estimate the process of moving 5 Navision accounting books to the cloud. The current version of Navision accounting software being used is Navision 2018. The accounting books are currently stored on a local server. I am looking to migrate to Navision cloud for the cloud service provider. Skills and Experience: - Experience with Navision 2018 - Proficiency in cloud migration and Navision cloud - Knowledge of Microsoft Azure for the migration process - Strong understanding of accounting systems and data migration
Project Description: VPS Linux Proxy Operating System: Windows Primary Purpose: Anonymity Timeline: Within a month Skills and Experience Required: - Expertise in setting up and configuring VPS on Windows operating system - Strong knowledge of proxy servers and their functionalities - Experience in implementing and managing anonymous proxies - Familiarity with security protocols and techniques to ensure anonymity - Ability to bypass geo-restrictions and ensure seamless browsing experience - Proficiency in troubleshooting and resolving any issues related to proxy setup - Timely delivery of the project within the specified timeline
Install WireGuard on Linux server with root access Skills and Experience: - Experience with Linux server administration - Proficiency in using SSH for remote access and installation - Knowledge of WireGuard configuration and setup - Familiarity with networking and VPN protocols 1. i give you root access 2. You install wireguard and test 3. You give me config to test 4. Job done
Necesito configurar un servidor carbonio + proxmox mail gateway. Actualmente ya tengo funcionando tanto el carbonio y el Proxmox mail Gateway pero tengo problemas en configurar el servidor saliente a traves del Proxmox mail gateway.
I am looking for a freelancer who can help me with a VPS hosting error 500 that I am experiencing. Specific Error: Internal Server Error Operating System: Linux Actions Before Error: Updating the system Skills and Experience: - Strong knowledge and experience in VPS hosting - Proficiency in Linux operating system - Experience troubleshooting and resolving Internal Server Errors - Familiarity with system updates and their potential impact on server performance - Ability to identify and resolve issues related to system updates - Excellent problem-solving skills and attention to detail
OpenShift On-prem installation Infrastructure: On-premises OpenShift Version: OpenShift 4.x Hardware Requirements: Yes We are looking for a skilled expert to help us with the installation of OpenShift 4.x on our on-premises infrastructure. The ideal candidate should have experience in OpenShift installation and configuration in an on-premises environment. Key Requirements: - Strong knowledge and experience in OpenShift 4.x installation - Familiarity with on-premises infrastructure setup and configuration - Understanding of hardware requirements for OpenShift installation - Ability to troubleshoot and resolve any installation issues that may arise - looking for local deployment openshift If you have the necessary skills and experience, please submit your proposal wit...
I am looking for a freelancer who can help me set up a cron job on my Ubuntu cyberpanel to automatically renew my SSL certificate every 2.5 months. Ideal skills and experience for this job include: - Strong knowledge of Ubuntu and cyberpanel - Experience with setting up cron jobs for SSL certificate renewal - Familiarity with SSL certificate installation and renewal processes - Attention to detail and the ability to ensure that the cron job is properly configured and functioning correctly.
I am looking for a freelancer who can help me prepare for my Azure fundamental certifications, specifically AZ-900 and AZ-104. Skills and Experience: - Expert knowledge and experience in Microsoft Azure fundamentals and administration - Strong understanding of cloud computing concepts - Familiarity with Azure services and features - Proficiency in creating and managing virtual machines, storage accounts, and networks in Azure - Experience in implementing and managing Azure identities and security - Previous experience in preparing for and passing Azure certifications Requirements: - The freelancer should have extensive knowledge and experience in Azure fundamentals and administration, specifically AZ-900 and AZ-104 certifications. - They should be able to provide comprehensive lessons a...
Linux System Specialist Skills and experience required: - Strong knowledge and expertise in Linux system installation and configuration - Proficiency in scripting and automation - Familiarity with various Linux distributions, including Ubuntu and CentOS - Ability to troubleshoot and maintain Linux systems - MQTT / Dooker Project Overview: We are seeking a Linux System Specialist to assist with the installation and configuration of our Linux systems. The ideal candidate will have experience in scripting and automation, and be familiar with various Linux distributions, including Ubuntu and CentOS. Tasks include: - Installing and configuring Linux systems / Dooker mqtt - Troubleshooting and maintaining Linux systems - Assisting with scripting and automation tasks The level of urgency ...
I am looking for a freelancer who can help me install Keycloak and Jenkins in a Linux server with Plesk. Here are the project details: Linux Distribution: Ubuntu Configuration Requirements: No specific configurations needed, standard configuration is fine. Server Maintenance: Only one-time setup is needed now. This server is used for development purposes. Ongoing maintenance might be required after 6 months (when development will be completed). Documentation: I want you to make video of how you are doing the installation, Also create some how-to videos such as 1. If the service is not running. How should I check it & fix it? 2. Where can I find the logs? 3. Commonly known errors & fixes for the same. Skills and Experience: - Experience in installing and configuring Keyclo...
Project Description: VMware VCD Training on Cloud Services Skills and Experience Needed: - Intermediate expertise with VMware VCD - Strong understanding of Cloud Services in VMware VCD - Experience in self-paced training Project Details: We are seeking a VMware VCD expert with intermediate expertise to provide training on Cloud Services. The ideal candidate will have a strong understanding of VMware VCD and experience in self-paced training. The project will focus specifically on the following areas of VMware VCD: - Cloud Services The training can be self-paced, allowing the client to learn at their own speed and convenience. The candidate should be able to provide comprehensive training materials and resources for self-paced learning. The candidate should have excellen...
I am looking for a developer who can help me deploy my Strapi and React app on AWS. The app is a CRM and ticket system, and I need it to be able to handle medium scalability, with 100-1000 users. Skills and experience required: - Experience with deploying Strapi and React apps on AWS - Familiarity with setting up and configuring AWS services for hosting web applications - Knowledge of best practices for scalability and performance optimization - Ability to troubleshoot and resolve any issues that may arise during the deployment process.
I am looking for a freelancer who can help me install an SSL certificate on my Debian server over SSH for my website "*.". Web server software: Nginx, debian SSL certificate: I already have the certificate. Gogetssl. Same certificate was previously installed, just needs to be renewed Server access: I have root access to the server. Ideal skills and experience for this job include: - Experience with installing SSL certificates on Debian servers - Proficiency in working with Nginx - Strong knowledge of SSH and server administration - Attention to detail and ability to troubleshoot issues - Good communication skills to provide updates on the progress of the installation.
I am looking for a freelancer who can help with a small business server 2011 Exchange mail flow issue. The specific issue I am experiencing is with both sending and receiving emails. This issue occurs with all emails, not just certain ones. I have not made any recent changes to my server configuration or settings that could have caused this issue. Ideal Skills and Experience: - Experience troubleshooting mail flow issues in Small Business Server 2011 Exchange - Strong understanding of email protocols and server configurations - Ability to diagnose and resolve issues with both sending and receiving emails - Knowledge of Microsoft Exchange Server and how it integrates with Small Business Server 2011 - Familiarity with network and firewall configurations that could impact mail flow - Excel...
I am looking for a freelancer to set up a LAMP (Linux, Apache, MySQL, PHP) environment using Docker on Redhat. The project requires the following: Operating System: - Redhat LAMP Setup: - Standard setup is sufficient Docker Version: - Docker 19.x Ideal Skills and Experience: - Experience with Docker and containerization - Familiarity with LAMP stack components (Linux, Apache, MySQL, PHP) - Knowledge of Redhat operating system - Ability to configure and optimize the LAMP environment using Docker - Strong troubleshooting and problem-solving skills Create github account for us. Provide complete documentation of the procedure.
I am looking for a freelancer who can help me with setting up my home WiFi connection. Specific Issue: - existing Netgear X6 EX7700 Extender stopped working. Tried reset but can't get connected Requirements: - The freelancer should have experience in setting up WiFi extenders. - Ideally, the freelancer should have knowledge of integrating existing WiFi extenders or devices with the setup. - The client has a Netgear WiFi extender that needs to be integrated into the setup. Skills and Experience: - Experience in troubleshooting and resolving issues related to slow internet speed and intermittent connection. - Knowledge of different WiFi extenders and their setup processes. - Familiarity with Netgear WiFi extenders. If you have the necessary skills and experience, please submit you...
We need a consultant, WITH PROVEN EXPERIENCE, in integrations with Microsoft Wopi to assist the development team in building a Word document integration with Office Online. I need assistance in setting up the WOPI server. Skills and experience required for this project: - Strong knowledge of Microsoft Office applications and their integration with WOPI servers - Experience in setting up WOPI servers - Ability to work within tight deadlines - Excellent problem-solving and troubleshooting skills - Strong communication skills to effectively collaborate with our team.
I am looking for a Cisco networking expert who can configure my Cisco 800 Router to function as a dual WAN failover system. The primary use of the router is for Internet with VPN connectivity. Details: - Currently the router is being used in production with 1 WAN configured and a VPN Client configured which connects to an off-premise external VPN Server. - When WAN1 is down, i need it to switch to WAN2 and make sure the VPN Client is connected too. Requirements: - Configure the router to have the 2nd WAN, when WAN1 is down, it will automatically switch to WAN2 and reconnect the VPN Client. - Ensure that the failover process has minimum/reasonable downtime. - Provide advice and recommendations on the best configuration for optimal performance. - Please keep in-mind that this needs to ...
VMware virtualization Expert in NSX solutions 1. Port filtering of the servers. 2. Activation of the filtered policies during the customer's preferred downtimes. 3. Preparation and submission of a UAT (User Acceptance Testing) checklist for customer approval. 4. Implementation of any necessary corrections or amendments to configurations based on UAT feedback. 5. Final testing to verify the success of any failed or amended UAT checklist items. 6. Creation of as-built documentation. 7. Knowledge transfer (KT) sessions for the customer's team. 8. Acquisition of the Work Completion Report (WCR) from the customer for NSX. 9. Regarding the port filtering SHC had a communication matrix taken from the firewall. However, due to the installation of new servers, client doe...
I am looking for an Esci 6.7 expert to assist me with troubleshooting on my network setup. Skills and Experience required: - Expert level experience in Esxi 6.7 - Strong troubleshooting skills - Knowledge of network security implementation Specific Requirements: - The freelancer should have experience with specific network hardware and software that I have in mind. Please provide examples of previous work and relevant certifications.
Experienced VPS Developer Needed for Server Setup and Configuration Tasks: - Server setup and configuration for optimal website performance - Possible website migration to new VPS - Performance optimization for faster loading times Ideal Skills and Experience: - Strong knowledge and experience in VPS setup and configuration - Familiarity with Cyber Panel and PHP - Understanding of server technologies, particularly Linux and Windows Additional Information: - The specific server technology is not yet determined - Ongoing maintenance may be required after the initial setup and configuration Please provide examples of previous VPS projects and relevant experience when applying.
I am looking for a freelancer to create a script for setting up a MikroTik router VPN using SSTP and OpenVPN protocols. Requirements: - Experience with MikroTik routers and VPN configuration - Proficiency in scripting languages - Knowledge of SSTP and OpenVPN protocols Scope of work: - Develop a script for the entire setup of the MikroTik router VPN - Provide assistance with the VPN configuration Please note that I require help with the entire setup, so expertise in MikroTik routers and VPN configuration is essential.
I am looking for a skilled professional to assist me with my cyber security project. Specific Aspect: Website security and hacks Specific Security Requirement: Preventing data breaches Ideal Skills and Experience: - Expertise in network security - Strong knowledge of data encryption - Experience in security policy development Additional Information: - I have specific security requirements and concerns - The main concern is preventing data breaches - Compliance with industry regulations is also important - Securing sensitive customer data is a priority If you have the necessary skills and experience in network security, data encryption, and security policy development, I would be interested in discussing this project further with you.
I am looking for a server with a variable IP for sending mass e-mails, with the function of resending unopened emails included. The level of automation required is simple operations. The server is not specified (shared host, VPS, or dedicated server; as this question was skipped). If you can provide this service and feel capable of meeting the above requirements, please contact me to discuss further. Thank you.
We want to run two Vagrant boxes using Docker on a Mac. Vagrant ssh needs to allow the user on the host machine to log onto the vagrant box. This works on Ubuntu but not on MacOS because MacOS handles the virtual networking with Docker differently. Some links that will give you context: 1) @lailadahi/getting-around-dockers-host-network-limitation-on-mac-9e4e6bfee44b 2) Full details for the project can be found in this repository along with the relevant config files. There is no custom code - these are all standard components that should work together off the shelf: 1) We want somebody to get this setup working and document all steps and configuration required to make it work. NB! You will need access to a Mac to complete this project!
I need someone to install the latest stable version of Froxlor on my Ubuntu 20.04 server. I will provide specific configuration details for Froxlor. Additionally, I have some specific requirements and tasks that need to be completed after the installation. Skills and experience required for this job: - Proficiency in Ubuntu 20.04 server administration - Experience with installing and configuring Froxlor - Ability to follow specific configuration instructions - Knowledge of server security and best practices
Setting up Home WiFi - I am looking for someone to help me set up my home WiFi network using a cable internet service. - I only need assistance with the initial setup and configuration, no ongoing maintenance is required. - The WiFi network will be used to connect my printer, PC, and phone. - The ideal candidate should have experience in setting up home WiFi networks and be familiar with cable internet services. - Knowledge of configuring devices such as printers and PCs to connect to WiFi is also required.
Configuring a hypervisor with Microsoft HyperV, Creating a private cloud with OpenStack, Configuring Docker containers, Designing a secure cloud architecture, Managing network security in cloud.
Project Title: High CPU Load Overview: I am experiencing a very high CPU load on my CentOS system and I am seeking assistance to identify the specific programs or processes causing this issue. Requirements: - Experience in troubleshooting high CPU load issues on CentOS - Strong knowledge of CPU monitoring and analysis tools - Ability to identify and optimize resource-intensive programs or processes - Familiarity with system performance tuning techniques - Proficiency in Linux system administration Deliverables: - Analysis of the current CPU load and identification of potential causes - Recommendations and implementation of optimizations to reduce CPU usage - Documentation of the troubleshooting process and solutions implemented Ideal Skills and Experience: - Proficient in CentOS system...
Write a script to monitor the health of your server using the commands from the PowerPoints on Security, DFIR and Backups as your base. Think about what info you care about, and how to make it easier for you to read or upload to your dashboard. Data is only good if you’re using it for something.
ESXI Networking issue I am currently experiencing connectivity issues with my ESXI 6.7 networking. Although no error messages are being displayed, I am unable to establish proper network connections. Skills and experience required: - Strong knowledge and experience with ESXI 6.7 networking - Expertise in troubleshooting connectivity issues - Familiarity with virtual networking and network configuration - Ability to diagnose and resolve networking problems efficiently