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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!
161,912 értékelés alapján az ügyfelek 4.86 / 5 csillagot adtak System Administrators szabadúszónknak.Alkalmazza System Administrators szabadúszót
Looking for a good Network-Infra Engineer to take care of our CentOS Servers which host our applications and database. Will involve the following activities: 1) Any Patching that is required 2) Basic Cyber Security updates 3) Cache clearance 4) Basic MySQL admin tasks 5) Any DNS updates 6) Backups
I am looking for someone with experience in ESXi setup to help me create a virtual firewall using pfsense. Purpose: - The main purpose of setting up pfsense with ESXi is to create a virtual firewall. Hardware Requirements: - I have specific hardware requirements for the ESXi setup. Step-by-Step Images: - I would like the step-by-step images to include basic steps only. Ideal Skills and Experience: - Experience in ESXi setup and configuration - Knowledge of pfsense and virtual firewall setup - Ability to follow specific hardware requirements - Proficiency in creating clear and concise step-by-step images.
I am looking for a freelancer to help me with troubleshooting and maintenance of my large network. I have an established network of more than 200 devices and need some help to keep it running smoothly and efficiently. I prefer a freelancer who has experience with Cisco networking hardware and software. This project requires the freelancer to have a thorough understanding of network troubleshooting and maintenance, as well as network security and optimization. The freelancer must be able to troubleshoot any issue that arises with the network, apply patches and bug fixes, as well as optimizing the network performance.
I am looking for a freelancer who can help me set up an email validation process on a Vultr server. We have the code that does the validation via Fsockopen SMTP connections and want to setup the server to run on multiple IPs on our vultr instance or other optons. The idea is to safely validate emails without the risk of being blacklisted. We won't validate gmail, yahoo or other similar provider emails but only private domain emails like example@domain Skills and Experience: - Experience in setting up SMTP servers using the fsockopen method - Familiarity with Vultr or other cloud servers - Knowledge of email deliverability and spam prevention techniques - Ability to handle multiple IP addresses to avoid getting blacklisted If you have the necessary skills and experience, please sub...
I am looking for a freelancer to assist me in migrating from a Cisco 6504 with BGP Setup to VyOS VM Instance. The main purpose of this implementation is to enhance traffic engineering capabilities. Skills and Experience: - Strong knowledge and experience in VYOS router configuration - Expertise in BGP communities and their implementation - Expertise in Cisco Router Configuration - Technical skills to identify all settings with the existing setup and provide improvements Scope: - Investigate the Current Live Configuration of the Cisco Hardware Router - Analyze the already prepared VyOS Configuration - Do security Hardening of the VyOS Instance - Implementing BGP communities to enhance traffic engineering capabilities (we are currently using two upstream Carriers with default route (RAM l...
I work at a small company and we have a website hosted by AWS that we had outsourced in the past. We recently tried to swap over to WIX and when changing the nameservers in Route 53, broke the access to our website. I need help properly configuring our DNS records on AWS to: 1. have the main url point to our new website 2. have some subdomains point to other internal aws web apps we have running
Executive Assistant - follows up on the implementation of the work team's tasks - organizes and schedules work and meetings - is responsible for operating the system, permissions and powers - follows up on the implementation of subprojects He is proficient in working with cloud teams and is proficient in how remote science teams work He is proficient in working on Google Workspace + Google Cloud + proficient in working on project management programs
=========================== short test summary info ============================ ERROR tests/ - : HTTPConnectionPool(host='dynamic_ip', port=8500): Max retries exceeded with url: /v1/kv/influxdb/host (Caused by NewConnectionError('< object at 0x7f34f2633970>: Failed to establish a new connection: [Errno 110] Connection timed out')) !!!!!!!!!!!!!!!!!!!! Interrupted: 1 error during collection !!!!!!!!!!!!!!!!!!!! ========================= 1 error in 132.08s (0:02:12) ========================= I had this issue from github actions. I need to setup some ip or domain name which will remain static. A static IP with my ISP is too expensive and NordVPN offers a dedicated ip service, but no port forwarding service. I need your help from there
Industry Capstone Project based on Tesla Company
Project Description: SMS Blasting Software Installation Operating System: Linux Level of Familiarity: Beginner Training: Maybe Skills and Experience: - Experience with installing and configuring SMS blasting software on Linux operating systems - Proficiency in Linux system administration - Strong understanding of SMS marketing and blasting techniques - Ability to provide training and support for beginners, if required
I am in need of immediate assistance to reinstate my suspended AWS account due to payment issues. I am completely unfamiliar with AWS and its policies, so I am looking for someone who has expertise in this area. The project needs to be completed as soon as possible. Skills and experience required: - Proficiency in AWS and its policies - Experience in resolving payment issues and reinstating suspended accounts
I am looking for a freelancer who can help me set up an SMTP server with gophish configuration. The project requirements are as follows: Operating System: - The server should be running on Linux. Phishing Scenario: - I have a specific phishing scenario in mind and know exactly what I want for the configuration. Security Measures: - Basic level of security measures is required for the server. Ideal Skills and Experience: - Experience in setting up SMTP servers and configuring gophish. - Knowledge of Linux operating system. If you have the necessary skills and experience, please apply for this project.
I am looking for a freelancer who can help me set up an SMTP server with gophish configuration. The project requirements are as follows: Operating System: - The server should be running on Linux. Phishing Scenario: - I have a specific phishing scenario in mind and know exactly what I want for the configuration. Security Measures: - Basic level of security measures is required for the server. Ideal Skills and Experience: - Experience in setting up SMTP servers and configuring gophish. - Knowledge of Linux operating system. If you have the necessary skills and experience, please apply for this project.
I am looking for a skilled freelancer who can help me protect both my personal and financial information from being accessed by a specific website. Specific requirements for the project include: - Blocking the website from accessing my data through server-side PHP code - Identifying and blocking the exact URL(s) of the website(s) that are accessing my data - Working with a server type other than Apache or Nginx Ideal skills and experience for the job: - Strong knowledge and experience in server-side PHP coding - Familiarity with identifying and blocking website URLs - Experience working with servers other than Apache or Nginx If you have the expertise and skills required for this project, please submit your proposal.
I am looking for a skilled freelancer who can help me configure my Asterisk server for connectivity to a SIP trunk. Requirements: - Expertise in configuring Asterisk servers - Knowledge of SIP trunk connectivity - Familiarity with call routing and IVR features - Strong troubleshooting skills The project involves: - Configuring the Asterisk server to establish connectivity to the SIP trunk - Setting up basic features such as call answering, audio playback, and call termination Skills and experience required: - Proficiency in Asterisk and SIP trunk configuration - Ability to work with SIP trunk credentials and configuration details Please note: - I have all the necessary SIP trunk credentials and configuration details - I only require basic features for call handling and playback - The ...
Project Title: Digital Ocean Backup to GitHub I am looking for a skilled freelancer who can help me with taking a full backup from my Digital Ocean server and upload it to GitHub. Backup Requirements: - Full backup of the Digital Ocean server - Ensure all files, folders, and databases are included in the backup Configuration and Settings: - The client is unsure if there are any specific configurations or settings that need to be maintained during the backup process Backup Schedule: - The client has no preference for the timing or schedule of the backup process Ideal Skills and Experience: - Experience with Digital Ocean servers and backups - Proficiency in using GitHub for uploading backups - Knowledge of server configurations and settings to ensure a smooth backup process
Project Title: Fix CNAME Records for Email Overview: I am in need of a skilled professional who can fix the CNAME records for my office 365 system. Currently, I am unable to add the cname record to cpanel. Requirements: - Expertise in working with DNS settings, specifically CNAME records - Strong understanding of email systems and protocols - Ability to diagnose and fix issues related to email deliverability - Familiarity with DNS management platforms - Excellent communication skills to effectively collaborate with me and provide updates on the progress Deliverables: - Identify and fix any misconfigured or incorrect CNAME records - Ensure proper email functionality and successful email delivery - Provide clear documentation of the changes made to the DNS settings for future reference ...
Need help with dovecot down issue after custom build update. Work to be done via anydesk
Project Description: I am seeking a freelancer who can assist with resolving an error in my Cloudformation template. The specific error I am encountering is a missing required field. The error is being caused by a NetworkLoadBalancer resource in the template. I have the complete Cloudformation template available for review. Ideal Skills and Experience: - Strong experience with AWS Cloudformation - Proficiency in troubleshooting and resolving errors in Cloudformation templates - Familiarity with NetworkLoadBalancer resources in Cloudformation
We are looking for a trainer who can deliver training on Understanding cisco collaboration and fundamentals. Mode of training - Onsite (Italy) Toc: Available We provide food and accomodation charges..
PowerMTA Setup I am looking for a freelancer who can help me set up PowerMTA on a Linux operating system. The ideal candidate should have experience in Linux system administration and be familiar with PowerMTA. Specific Requirements: - SMTP Configuration: I need assistance in configuring PowerMTA for my email sending needs. The freelancer should have expertise in setting up SMTP configurations and ensuring optimal deliverability. Deadline: - The project needs to be completed within a week. Therefore, I am looking for someone who can start working on it immediately and deliver the setup within the specified timeframe. If you have experience in PowerMTA setup and are confident in your Linux system administration skills, please submit your proposal.
I am looking for a skilled freelancer who can help me resolve an error I am encountering while installing the KVM router on my Linux system's hypervisor Virtual Machine Manager 4.0.0. Specific error message: pfSense Terminal: cd0: Attempt to query device size failed: NOT READY, Medium not present Operating system: Linux (Ubuntu 22.04.3 LTS jammy Desktop) Requirements: - Strong experience with Linux operating systems - Expertise in troubleshooting installation errors - Familiarity with KVM routers and - Ability to identify and resolve compatibility issues between the operating system and the installation process If you have the necessary skills and experience to fix this error and successfully install the KVM router, please reach out to me with your proposal. There was an ...
I am having some DNS, SSL, and email domain problems and I have barely attempted to troubleshoot them. I need some help fixing these issues so they can be resolved as quickly as possible. I am looking for a freelancer to help with this task and do not require them to provide a step-by-step report. I just need the problems fixed so that we can get back on track. Please let me know if you are available and have the expertise needed to complete this job. Thanks for your time.
Project Description: I am in need of a Windows server configuration with active directory for a small health center. This server will be used to manage user access, network control, and default data storage and backups. I will be purchasing the server with Windows installed from a Dell combo or follow recommendation. Size of the Health Center: - Small (less than 50 employees) Data Redundancy Requirement: - Basic (single on-site backup) Server Features and Applications: - No specific requirements, standard configuration is fine Ideal Skills and Experience: - Strong experience in Windows server configuration - Expertise in active directory management - Knowledge of network control and data storage - Familiarity with Dell server hardware and configurations - Ability to set up on-site bac...
Want to setup one aws - subdomain for nodejs api to run - 2 public html domain website - install free ssl - provide proper ftp, putty access and ensure proper security to be taken care - Need to ensure no further issue come Only apply if you ok with 600 INR. and also in future ready to work on same price for 1 VPS setup work
AWS Optimization for Performance & Reduce Billing I am currently using the EC2 and S3 services on AWS. I am experiencing performance issues and am looking to improve my current setup. My current monthly AWS spend is less than $1000. Skills and Experience: - Strong knowledge and experience in AWS services, particularly EC2, S3, and RDS - Expertise in optimizing AWS infrastructure and configurations for improved performance - Ability to analyze and identify bottlenecks and recommend solutions for performance issues - Experience in cost optimization strategies to reduce AWS billing while maintaining performance levels - Familiarity with AWS pricing models and cost management tools
Need Server Admin to setup an email server on our server for our website. Servers OS is Centos8 streaming
1GB and 10GB dedicated server quotes needed if you are a company and they must have dedicated port not shared and unmetered
I am looking for a skilled freelancer to prepare a secure server for my Laravel website. The ideal candidate should have experience with Ubuntu Virtual Private Servers (AWS) , cloudflare, and be proficient in Laravel 8.83. Specific requirements for the project include: - Server Hosting: Virtual Private Server (VPS) - Security Measures: Firewall Setup, protect agains cyber attacks such as DDoS, brute force, no function level control. - mail server setup including DKIM,SPF, DMARC, antiMalware, antispam, antivirus, closing unnecessary ports - efficient control panel such web min - Laravel Version: 8.83 - configuration security apache, PHP, Laravel, DB server - securing from AWS infrastructure side. The freelancer should have expertise in VPS setup and configuration, as well as in securing...
I am looking for a freelancer who can set up an Azure server with the following specifications: Ubuntu Version: - 22.04.3 LTS - Apache2 - FPT and SFTP - Let's Encrypt SSL auto renewed PHP 7.4: - Extension SQL Server - Extension PDO SQL Server - Extension MySQL - Extension PDO MySQL Maria DB 10+: - phpmyadmin Ideal Skills and Experience: - Experience setting up servers on Azure - Proficiency in Ubuntu, PHP 7.4, and Maria DB - Familiarity with configuring Maria DB - Familiarity with configuring PHP Deadline October 5th. Budget $50.00
Hi I need Azure DevOps developer for support my consultant. But the persons must be able to set up Azure DevOps from support will be on zoom meeting which we will provide you and you will connect with my consultant and support her Indian time 9:30 pm to 11:30 pm Monday to Friday. And Saturday Sunday at 7:30 pm to 9 pm 13$/hourly. Payment every Saturday. Givenme wheatappa.
I am looking for a freelancer who can help me connect my domain DNS to a 3rd party system. Domain Registrar: Other (Please specify) 3rd Party System: Other (Please specify) Skills and Experience: - Experience with connecting domain DNS to various 3rd party systems - Familiarity with DNS settings and configuration - Ability to provide guidance and assistance to someone who is somewhat familiar with DNS settings - Strong problem-solving skills to troubleshoot any issues that may arise during the connection process If you have experience in this area and can provide the additional assistance I need, please reach out to discuss the project further.
Rebuilding the RAID in A Linux Server Dracut Emegergency mode - The Linux server is currently running but with errors - I have a backup of the data on the RAID - I prefer communication through phone calls Skills and Experience: - Strong experience with Linux server administration - Expertise in RAID configuration and recovery - Familiarity with Dracut Emergency mode - Ability to troubleshoot and resolve server errors - Excellent communication skills for effective phone call communication
I am looking for a freelancer who can help me connect host physical NICs to a guest KVM router. Host Operating System: Linux Ubuntu 22.04.3 LTS jammy Desktop KVM Router: The KVM router has already been set up and configured. Specific NICs: I have specific NICs that need to be connected. Skills and Experience: - Proficient in Linux operating system - Experience in setting up and configuring KVM routers - Knowledge of networking and connecting NICs -Network topology Please provide your experience and expertise in this area when submitting your proposal. Thank you.
Project Description: I am in need of a freelancer who can help me with the following requirements for my server in emergency mode: Specific Issue: - My Linux server is currently not responding. Skills and Experience: - Strong knowledge and experience in troubleshooting and resolving server issues. - Expertise in Linux server administration. Backup System: - There is currently no backup system in place. Ideal Freelancer: - Someone who has experience in setting up backup systems for Linux servers. - Ability to quickly diagnose and resolve server issues. - Strong communication skills to keep me updated throughout the process. Please provide your proposal outlining your approach to resolving the server issue and implementing a backup system.
Project Title: Troubleshooting DNS issue in home wifi Description: I am experiencing a specific issue with my DNS in my home wifi network. I am unable to connect to only one website from my home wifi connection. I have already tried : cash clearing. DNS flushing ,restarting my router, changing DNS in wifi router but the issue persists. I am looking for a skilled professional who can help me resolve this DNS issue and ensure a stable internet connection. freelancer will use any remot procedure Like Any desk to work on my pc. Ideal skills and experience for the job include: - Strong knowledge of DNS configurations and troubleshooting - Experience in resolving connectivity issues in home wifi networks - Familiarity with various router models and their settings - Ability to diagnose and re...
I am looking for someone who can fix and upgrade a PHP error on my Ubuntu server 18.04 Bionic. The specific error I am experiencing is that the Soap client is disabled or uninstalled, and Curl is also not installed due to which my payment gateways are not working properly. I have access to the server and the necessary permissions to make changes, so you will have the necessary access to troubleshoot and fix the issue. This task is of immediate urgency, so I need someone who can start working on it right away. Ideal skills and experience for this job include: - Proficiency in PHP and server administration - Experience with Ubuntu server 18.04 Bionic - Knowledge of Soap and Curl installations and configurations - Ability to troubleshoot and resolve PHP errors efficiently
I am experiencing an issue with an AWS S3 bucket, where I am receiving an access control list (ACL) error. I have already attempted to troubleshoot the issue, but the steps taken did not help to resolve it. I have full access to the AWS S3 bucket. I am in need of a skilled Freelancer that understands AWS S3 and is able to diagnose and resolve this issue. If you have the necessary qualifications, please get in touch and I'd be happy to discuss the project in greater detail. Thank you for your interest!
Want to setup one aws - subdomain for nodejs api to run - 2 public html domain website - install free ssl - provide proper ftp, putty access and ensure proper security to be taken care - Need to ensure no further issue come Only apply if you ok with 600 INR. and also in future ready to work on same price for 1 VPS setup work
I am looking for a freelancer who can assist me in setting up local external storage on my Synology NAS with Nextcloud installed. Requirements: - Experience with Synology NAS and Nextcloud installation - Intermediate level of technical expertise - Knowledge of setting up local external storage - Ability to troubleshoot and resolve any permission issues that may arise Skills and Experience: - Familiarity with Synology NAS and Nextcloud installation - Proficiency in setting up local external storage - Strong troubleshooting skills to resolve any permission issues If you have the necessary skills and experience, please submit your proposal. Thank you.
I am looking for a freelancer who can convert a base install of ClearOS 7 to AWS Lightsail. Requirements: - Expertise in ClearOS 7 and AWS Lightsail - Ability to configure and enable specific features as required - Experience in seamless migration and setup on AWS Lightsail Deliverable will be step by step process on how to install ClearOS 7 on an AWS Lightsale instance. Base install of Clearos will be from this ISO The end result should be a fully functional ClearOS server running the latest version as defined by yum upgrade. If installing onto another medium first, and then exporting that to lightsale is the only option. The Step by Step Manual should focus on: 1) Installing onto Virtual Box 2) Exporting the Functional Instance 3) Converting or importing the Exported solution to ...
Project Title: Freelance- Network Field Dispatch Engineer - Job Posting (Less than 1 month) We are currently seeking a Network Field Dispatch Engineer freelancer for a short-term project. Job Title: On-Demand basis Network Field Dispatch Engineer Job Type: Hourly-Based Location: Europe, UK, USA, India, APAC, Australia Company Overview: Styxtech is a leading provider of IT infrastructure and networking solutions. We specialize in unmounting and mounting network equipment, configuring routers and switches, assigning IP addresses, and ensuring the seamless operation of our clients' network environments. Hourly-Based Compensation: This position is hourly-based, and compensation will be provided for each hour worked. Engineers will be dispatched as tasks become available, ensuring a fle...
We have a dedicated server running on plesk very slow. We need to speed up it and tune mysql, and all the serve
I am looking for an experienced Fortigate & Forticlient EMS expert who can assist me in configuring SSL VPN using SAML SSO. The SAML configuration also needs to be done in Azure Cloud. Requirements: - Proficiency in configuring SSL VPN using SAML SSO on Fortigate & Forticlient EMS devices - Ability to fulfill specific requirements for the SSL VPN configuration - Familiarity with Azure Cloud and experience in setting up SAML configuration Ideal Skills and Experience: - Expertise in Fortigate & Forticlient EMS devices and their configuration - Knowledge of SAML SSO and its implementation in SSL VPN - Experience in configuring SAML in Azure Cloud Please note that I am unsure about the existing Azure Cloud setup, so the freelancer should be able to assess the current setup and d...
I have a server on which I need to install an SSL certificate from Sertigo, as well as run the DCV check. The server I'm using is Apache, and I do have access to the root directory. There is also a picture app running on the server that might be impacted by the installation. I'm looking for an experienced developer to install the SSL certificate, and also make sure that the picture app continues to function correctly after the installation. I need the installation to be done quickly and correctly, to ensure that my server remains secure. So, I'm looking for someone who is knowledgeable about SSL certificate installation on Apache servers, and can do so with efficacy. The installer needs to have good communication skills, as they will be required to answer any questions...
I am looking for a freelancer who can encrypt my Android device running on version 12 OS. The purpose of this encryption is to improve the device's performance. I prefer using full disk encryption for this project. I have specific instructions for the encryption process that I would like the freelancer to follow. Ideal Skills and Experience: - Strong knowledge and experience in Android device encryption - Expertise in full disk encryption techniques - Ability to follow specific instructions for encryption process Thanks
I am looking for a freelancer who can help me install SIEM Wazuh on my Linux operating system. I am not sure which specific version of SIEM Wazuh I need, but I do require additional functionalities and configurations. Ideal skills and experience for this job include: - Experience with SIEM Wazuh installation on Linux - Knowledge of different versions of SIEM Wazuh and their compatibility with Linux - Ability to configure and customize SIEM Wazuh based on specific requirements - Familiarity with additional functionalities and configurations that can be added to SIEM Wazuh If you have the necessary skills and experience, please submit your proposal.
I need someone with a knowledge of Zenmap on Linux and Windows System
Se requiere la actualización del sistema operativo del servidor a AlmaLinux 8. Actualmente ejecuta WHM cPanel con CloudLinux 7.9.0. El servidor cuenta con más de 400 cuentas, por lo que es vital que esta tarea sea ejecutada en horario vespertino (hora de Chile GMT-3), por una persona que tenga conocimientos acabados sobre WHM, CloudLinux, LiteSpeed entre otros aplicativos instalados actualmente para que no se generen incompatibilidades.
I am looking for a freelancer who can assist with resizing the virtual machine disk and ensuring the operating system disk is recognized correctly. The details of the project are as follows: Virtual Machine Type: VMware ESXi Operating System: Linux Tasks: - Resize the virtual machine disk - Ensure proper recognition of the operating system disk Additional Information: - This is a one-time task and does not require future disk resizes Ideal Skills and Experience: - Experience working with VMware ESXi and Linux operating systems - Proficient in disk resizing and troubleshooting disk recognition issues - Strong knowledge of virtualization technologies and best practices