Network Administration Jobs

Network Administration is an essential part of running an efficient and secure network in any organization. It entails the deployment, configuration, maintenance and management of physical and virtual networks, as well as their components, such as routers, switches, firewalls, and related network equipment. This helps ensure a high-level performance of the networking environment with minimal service disruption. A skilled Network Administrator is an invaluable asset for any business that requires efficient networking frameworks to maximize their resources.

Here's some projects that our expert Network Administrators made real:

  • Construction of secure IT infrastructures
  • Setting up virtual servers and installing scripts and plugins
  • Configuring virtualizor KVM nodes
  • Establishing VPN connections between cloud environments
  • Implementing Software Defined Networks with Mininet
  • Resolving Hyper-V failover cluster issues
  • Investigating and tracking the source of unusual portscan attack sources
  • Writing scripts to enable proxies on Linode and Hetzner VPSs
  • Establishing a dynamic port forward with a dual router setup to access internal applications

As is evident from the above list, although each project has its own individual requirements for the client's desired outcome, each one generally shares common principles of network administration. Our Network Administrators' versatile skill set allows them to tackle such complex tasks with ease. For every project completed, clients have enjoyed exceptional efficiency and superior performance from their networks.

For any organization looking for an experienced Network Administrator to oversee their network architecture, either for a short-term task or a more long-term engagement, consider posting a project on Freelancer.com! Here you can connect with experienced Network Administrators possessing the right balance of expertise to make your task a success.

From 74,723 reviews, clients rate our Network Administrators 4.85 out of 5 stars.
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    81 jobs found, pricing in USD

    I'm looking for assistance with IT support tasks, specifically setting up hardware or software on my various devices. Responsibilities Include: - Setting up hardware such as computers (desktops/laptops), network devices (routers/modems/switches), and peripherals (printers/scanners) - Installation of software - Configuration of devices for optimal performance Ideal skills for this job include: - Strong understanding of IT support principles - Proficiency in setting up computers, network devices, and peripherals - Experience in software installation and configuration - Ability to troubleshoot technical issues - Good communication skills If you're a reliable IT support professional with experience in setting up a range of devices, I'd love to hear from you.

    $16 / hr (Avg Bid)
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    IPv6 PowerMTA setup 2 days left
    VERIFIED

    Hello Freelancers, I have successfully installed PowerMTA for IPv6, and the setup was completed without encountering any errors. However, when testing emails using the Gmass SMTP tester, I encountered an error stating "ERROR: Invalid URI: Invalid port specified." I suspect that this issue may be related to the configuration file and possibly the network settings as well. I am attaching my configuration file for analysis.

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    My web application built on Firestore is currently experiencing a connection issue in situations where the client's network is firewalled, causing it to fail to connect. What I'm looking for is a reliable solution that can bypass these network firewalls, ensuring that the application can connect smoothly in all types of network environments. Key Project Details: - The primary issue is that the default method used for establishing connections fails when the client's network has a firewall in place. - The solution needs to implement a long-polling connection to workaround these firewall restrictions. - I require this solution to be implemented specifically for desktop browsers. Ideal Skills and Experience: - Proficiency in Firestore web applications and its connection mecha...

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    I am currently in need of a freelancer proficient in Omnet++ VEINS network simulator. The backbone of the project is Artificial Intelligence (AI), with a specific interest in: - Network Protocols Simulation - IoT Devices Interconnection - Performance Analysis I am also in need of simulation for specific network protocols: - TCP/IP - UDP Whilst applicants should be experienced in network simulators, a strong background in Omnet++ and AI is a must. It is paramount that the freelancer can effectively integrate AI into the simulation, and that they are capable of interconnecting IoT devices. Studies or experience in computer networking would be advantageous.

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    Seeking immediate assistance from a capable Cyber Security expert to address my current needs. My project revolves around two main components: 1. Network Security: I am in the pursuit of a specialized professional who understands the principles of network security and can help me gain access to a system in an ethical manner. This requires a deep understanding of network infrastructure and protocols, as well as the skills to spot and mitigate vulnerabilities. 2. Data Encryption and Secure Coding: You will need to exercise knowledge of data encryption standards and secure coding practices to ensure that the integrity of the system is maintained, while the necessary tasks are performed. Skills and Experience: - Proficient in ethical hacking - Solid experience with network security - Robust...

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    I need an expert to plan, scale, and execute the setup of a Windows Terminal Server to accommodate 50-70 users. The task is expected to be completed within 1 - 3 months for 10-20 hours per week. Key Responsibilities: - Plan and execute the setup of a Windows Terminal Server for 50-70 users. - Ensure the server is scalable for potential future growth - Implement best practices to guarantee system performance and security - Provide guidance on user access and permission management Ideal Skills and Experience: - Prior experience in setting up Windows Terminal Servers for medium to large user bases - Strong understanding of Windows Server and Terminal Services - Proficiency in planning and executing Windows Server setups - Ability to optimize system performance and scalability - Familiarity...

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    I'm in need of an expert who can help install and set up an Alcatel PBX system for a medium-sized enterprise. The project also involves integrating this PBX system with VoIP services. This will be remote project, our team will give you access from the site. Key Responsibilities: - Configuration of Alcatel PBX system OXO408 - Integration of the PBX system with VoIP services along with call recording. - Integration with existing Cisco IP Telephony Ideal skills for this job include: - Profound understanding of Alcatel PBX systems. - Experience with VoIP services integration. - Prior work on medium-sized enterprise deployments. Your expertise in these areas will help us to establish a reliable communication system for our business, ensuring seamless connection with our clients and wi...

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    I'm seeking an experienced network engineer to redesign my small office/home network. The main issue is limited network coverage. I'm also looking for an optimal setup that facilitates both system and WAN failover. Key tasks: - Assess current network usage and structure, with 10-20 devices, mainly computers and laptops. - Design an optimized network layout to extend coverage. - Implement a robust solution for system and WAN failover. The ideal candidate would have experience in network management, problem-solving skills, and expertise in setting up failover systems.

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    I'm looking for an expert in Synology Nas Management for utilizing various applications including synology mailplus, file sharing, virtual machines, optimizations, dhcp server, dns server, active directory server model ds 1621xs+ also trying to add more synology nas for better performance. The ideal consultant should have: - Proficiency in Synology NAS systems - Expertise in setting up and optimizing file storage and sharing on a Synology NAS. - Good communication skills to explain complex technical ideas in an understandable way. If you have experience with similar projects, please let me know.

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    I'm looking for an expert in Synology Nas Management for utilizing various applications including synology mailplus, file sharing, virtual machines, optimizations, dhcp server, dns server, active directory server model ds 1621xs+ also trying to add more synology nas for better performance. The ideal consultant should have: - Proficiency in Synology NAS systems - Expertise in setting up and optimizing file storage and sharing on a Synology NAS. - Good communication skills to explain complex technical ideas in an understandable way. If you have experience with similar projects, please let me know.

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    ❌YOUR BID IS THE BUDGET ! Done today zoom meeting !❌I require assistance with the reinstallation of Mac OS High Sierra. I've attempted all various troubleshooting steps, including contacting Apple and verifying that there are no network issues. Unfortunately, I am unable to reinstall the operating system due to technical issues. must be done today no questions ask your b Ideal skills and experience: - Proficient in Apple Mac OS system - Experience with troubleshooting technical issues associated with OS reinstallation - Knowledge of common issues and fixes for Mac OS High Sierra - Strong communication and problem-solving skills - Ability to provide clear, step-by-step instructions for resolving the issue

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    As an Azure developer, you’ll be tasked with cloud migration, application development, and infrastructure management tasks. I'm looking for someone to integrate with our existing Azure resources and infrastructure. You'll need to be adept at managing low complexity projects, ensuring optimal performance and security. Essential skills and experience include: • Expertise in Azure cloud migration • Familiarity with Azure application development and infrastructure management • Experience working with existing Azure resources • Ability to handle low complexity projects effectively.

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    I'm seeking a skilled network/data packet expert to assist with a project related to Helldivers 2 - a PC game. The main goal is to analyze, replay, and edit network packets. Key Responsibilities: - Analyzing: You should be able to understand the network packets created by the game and interpret their contents. - Replaying: There is a need to simulate the packet's data in order to replay them. - Editing: The ability to make changes to the packet data in a way that can be replayed in the game is crucial. Ideal Skills and Experience: - Proficiency in network packet analysis and manipulation - Experience in dissecting and understanding network traffic - Capability to simulate and replay packets - Familiarity with multiplayer game mechanics - Prior experience with game cheat develo...

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    I'm on the lookout for an experienced Linux developer to assist with system configuration tasks in a medium-sized business network. Key Responsibilities: - Execute system configuration tasks, focusing specifically on network setup and configuration. - Ensure the network is stable, secure, and optimized for performance. - Implement necessary security enhancements in line with industry best practices. Ideal Candidate: - Proficient in Linux system configuration and networking, with a strong understanding of security concerns in a business setting. - Prior experience configuring medium-sized networks, ideally in a business environment. - Strong troubleshooting skills to deal with any network issues that may arise. - Up-to-date on the latest technologies and best practices in Linux syst...

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    I'm seeking a professional who can assist me in configuring DevStack on Linux-based virtual machines. The main aspects of the project are as follows: - Complete Configuration: I need the DevStack configuration to be set up comprehensively. This includes ensuring that all components are correctly configured and working as intended. - Remote Access: The virtual machines should be set up in a manner that allows me to have remote access to them. This is a crucial requirement for the project as I will need to work on them from different locations. Ideal candidates for this project should have a strong background in: - DevStack: Proficiency in configuring and setting up DevStack is a must. Previous experience in implementing DevStack on Linux-based systems will be highly valued. - Virt...

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    As a business highly concerned with network security, I am seeking assistance from a knowledgeable Cyber Security consultant to fortify our network infrastructure. Skills and Experience Required: • Deep understanding of network security measures • Proficient in employing and improving Firewalls and VPNs • Familiar with Intrusion Detection Systems • Capability to assess and mitigate risk of unauthorized access and data breaches Key Responsibilities: • Analyse our existing security measures • Identify vulnerabilities and recommend enhancements • Implement improved security protocols preventing unauthorized access and data breaches • Provide continuous monitoring and regular updates.

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    I'm in need of a skilled and experienced network engineer to assist with setting up a robust distributed network. The network will support both IPv4 and IPv6 and will be announced to various providers with BGP. This is a live network - 2x IPv4 /24's will be announced and various IPv6 blocks. I would like the following setup, using bird 2.x: - Routers that will announce the addresses to the public internet via providers (I already have the BGP sessions setup with the providers) - An internal network setup using Wireguard between routers - Ability to internally announce single IPs/smaller subnets (than a /24, for example) to route them to different places. For example, if the /24 is announced at provider A on router A, I want router B to be able to connect to router A and router A...

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    I'm in need of a highly skilled networking professional. The ideal candidate should be proficient in a variety of networking areas, such as design, security, and troubleshooting. Key Skills and Experience: - Proven expertise in network design, implementation, and management. - Deep understanding of network security, including firewalls, VPNs, and intrusion detection systems. - Capable of identifying and resolving complex network issues efficiently. Please note that the exact requirement and the scale of the network will be discussed further once the project is underway.

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    We are a hosting company that has a BGP network with multiple carriers. We provide VPS, Bare Metal, Webhosting, ect. I need someone with networking experience to help add IPs to our network occasionally and support customer tickets with system admin questions. MUST BE ABLE TO SPEAK ENGLISH AND HAVE OCCASIONAL PHONE CALLS WITH MANAGEMENT. Knowledge with these would be a good fit: MikroTik Routers Dell Switches Dell and HP Servers Virtualizor EasyDCIM WHMCS Linux Windows

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    I am in need of assistance with the Network+ exam preparation. The main goal of this project is to help me successfully pass the Network+ exam. The successful freelancer should be knowledgeable in various networking concepts, including: - Network technologies and tools - Installation and configuration - Media and topologies - Management and security - Troubleshooting The ideal candidate should have demonstrated experience in network administration and certification exam preparation. A structured, thorough and engaging approach to exam preparation would be highly valuable. Your application should reflect your experience and approach to assisting with this specific certification.

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    Do the following tasks as far as you can. Even if you get stuck anywhere, document the process in a way that you can present it to us afterwards. 1. Find the OWASP Juice Shop 2. Fork it to your GitHub Account 3. Run the application on your machine 4. Find the Score Board 5. Find any of the vulnerabilities and fix it directly in the app code 6. Open a pull request with this fix and a meaningful description in your repository 7. Enable dependabot updates for the frontend 8. Get a list of all PRs of your repository on the commandline

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    I'm seeking an experienced IT Network specialist to carry out two main tasks for my project: 1. **Network Setup and Configuration**: I'm aiming for a wireless network that will efficiently and reliably connect between 10 and 50 devices. Skilled expertise in setting up this scale of network architecture is highly valued. 2. **Network Troubleshooting and Maintenance**: The same specialist should possess the capabilities for regular monitoring, routine maintenance, and resolve any particular technical issues that may arise. Experience in efficient problem-solving regarding network issues is a must. A comprehensive understanding of network security, and ability to implement security measures, is favourable but not a pre-requisite for the job. You should have a proven track record ...

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    AWS EC2 Performance Boosting 19 hours left
    VERIFIED

    As a growing tech-based firm, we are eager to enhance our application's performance by employing AWS EC2's auto scaling feature. Our current system primarily involves using EC2 services. However, we are witnessing a significant surge in user traffic in recent times, having identified a high CPU utilization is the main stress parameter on our EC2 instances. This has led us to explore the possibilities of auto scaling, with a prime focus on increasing our application's performance. WE'RE SEEKING EXPERTISE IN: - AWS EC2 services and how to maximize CPU usage. - Implementing AWS EC2’s auto scaling feature. The ideal candidate for this task will have: - Demonstrable experience in AWS EC2's auto scaling and optimizing CPU resource utilization. - Expertise in m...

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    I'm in need of a highly skilled networking professional. The ideal candidate should be proficient in a variety of networking areas, such as design, security, and troubleshooting. Key Skills and Experience: - Proven expertise in network design, implementation, and management. - Deep understanding of network security, including firewalls, VPNs, and intrusion detection systems. - Capable of identifying and resolving complex network issues efficiently. Please note that the exact requirement and the scale of the network will be discussed further once the project is underway.

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    Pfsense Implementation 17 hours left
    VERIFIED

    I am seeking an experienced freelancer to configure PfSense with Open Nebula for a cloud computing project. The goal is to enhance network security while ensuring efficient virtualization across multiple servers. This setup is crucial for the seamless operation and security of our cloud computing environment. **Requirements:** - **Configuration of PfSense:** Implement it alongside Open Nebula to create a robust cloud computing platform. Experience with PfSense is a must. - **Network Security Features:** - **Firewall Rules:** Set up comprehensive firewall rules to protect against unauthorized access and threats. - **VPN Setup:** Establish secure VPN connections for remote access, ensuring that our cloud environment is accessible yet secure. - **Intrusion Detection System (IDS):** Impleme...

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    I'm a beginner in AWS and would like to receive hands-on training on specific services. My goals for this training are to: - Gain a thorough understanding of the Cloud formation service - Learn best practices and use-cases of the RDS and S3 services - Explore the data handling capabilities of Glue and RedShift - Understand the working of EC2 and its significance - Get insights on SQS/SNS services and their usage I'm looking for an AWS expert who has experience in these services, and can provide me with clear explanations and practical examples. A structured approach to learning, with emphasis on real-world applications, would be greatly beneficial. Please share your relevant experience and teaching methodologies in your proposal.

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    We use at this moment Open VPN server for: 1. user class I wich can acces all internal network resurces, through open vpn tunnel (domain admin) 2. user class II wich can acces limited resources on internal network, through open vpn tunnel (domain usser) 3. user class III, its company clients wich connect to a server in the internal network, limited to an acounting application, wich are working as client-server. Basically we have on internal network a virtual windows server wich are hosting this accounting application in server mode, and the clients have a desktop accounting application (acting as a client) wich are connecting through open vpn tunnel to the virtual windows server IP. The important is that the desktop application acting as a client, in the connection setting ask the IP and...

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    Featured Sealed
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    I have an urgent need for someone to review and standardize my Aruba 9012 controller's configurations. The main aspects of the Aruba controller that need to be verified and standardized are: - Network settings - VLAN configurations - Access control policies - Heat maps This project is time-sensitive, requiring completion ASAP. Ideal candidates must have: - Proven experience with Aruba wireless controllers - Strong knowledge and experience in network settings and configurations - Ability to understand and optimize access control policies - Experience with heat map configurations - Ability to work quickly and efficiently to meet the ASAP deadline. Your expertise and quick execution is crucial. Please reach out if you're confident in your ability to complete this task to a hi...

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    I am looking for an experienced professional who can assist me in installing the latest version of Saltcorn () on my Synology NAS 412+ using Docker. The docker 20.10.3-0554 package is already present on the NAS. I don't think it's the most updated version of docker but I don't think a more updated version of docker is available for my Synology 412+ Nas. Your task is to install saltcorn/saltcorn-with-mobile on my nas and configure docker and saltcorn so that any user can access via the web. Obviously it will be your task to first verify that the project is possible. To carry out the work I think the ideal would be a remote connection to my computer so that I can let you access my NAS through my computer and I can follow your work and interact with you (in chat) if necessary. ...

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    As an enterprise-grade network user, I'm seeking a professional with a minimum certification of NSE4 from Fortinet to manage tasks related to Network Security and Firewall Configuration. Given the sophistication of our network - a highly complex one with numerous systems and interconnections - your role will require extensive knowledge and experience in similar setups. Tasks will include: - Implementing network security across all systems - Configuring and managing the firewall for optimal safety I anticipate these tasks to be completed within a month's time. To ensure a successful implementation, your technical skills should be backed by experience in troubleshooting and resolving network issues. Only apply if you can handle the complexity and interdependencies of our system...

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    I am seeking a proficient network expert who is well-versed with Arista devices and VxLAN technology. Your key tasks will entail configuring Arista devices, as well as setting up VxLAN for me. You will be handling the device configuration primarily through CVP (CloudVision Portal) and Ansible, which would call for specific experience in these platforms. So, extensive knowledge working with CVP and Ansible is a must. Here are the specific tasks at hand: - In-depth configuration of Arista devices - Thorough setup of VxLAN - Usage of CVP for configuring devices - Usage of Ansible for configuring devices About my current network infrastructure, I am operating on an Arista foundation with additional components from VxLAN. As such, I need someone who can accommodate, and ideally has worke...

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