System Admin Jobs

System admin is the process or person employed to maintain and operate a computer system or network. System admins install, support, configure and maintain servers and other computer systems. They also periodically do scripting tasks and respond to service outages or other problems involving servers or desktops. If your business needs help with system admin tasks, then you can hire freelancers who can work with your computer systems. Talented and experienced system admin freelancers can be found here. Simply post your system admin task or job today.

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    100 jobs found, pricing in USD

    Need job support for my AWS and Devops project

    $14 (Avg Bid)
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    6 bids
    VPN for office urgent 6 days left
    VERIFIED

    we need to build a custom VPN to be used in the office. we are looking to install SoftEther or any other competing one.

    $22 / hr (Avg Bid)
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    7 bids

    Looking for someone with experience in CentOS or Ubuntu who can run a few CLI commands on a tool and do packet dumps.

    $30 (Avg Bid)
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    3 bids

    Just need cpanel installed on ubuntu vps

    $37 (Avg Bid)
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    21 bids

    Some unwanted post calls are happening in server(at regular intervals), this is leading to unwanted files getting created and existing files getting modified on the website. Site has been hosted on aws-ec2 instance. We need to block unwanted post request, and other malicious activites. Will share the log screenshot for more info.

    $45 (Avg Bid)
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    8 bids
    Upgrade NGINX Version 6 days left
    VERIFIED

    i need to upgrade NGINX Version of my server

    $12 / hr (Avg Bid)
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    16 bids
    VPN install on VPS IN 2HRS 6 days left
    VERIFIED

    we need to build a custom VPN to be used in the office. we are looking to install SoftEther or any other competing one. They should be able to have admin to control users, assign IP , Desktop app for windows and mac and phone android ios. i need somoene who can do it in 2 hrs

    $98 (Avg Bid)
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    7 bids

    Hi there, Im looking for someone to teach me pentesting. Im looking for someone who has knowledge in Nmap and other tools. Thanks

    $11 / hr (Avg Bid)
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    8 bids

    I have a running Ubuntu server with 2 hard disks. I need an image of it to allow me to copy it to another server. The image should be provided as a file to me.

    $150 (Avg Bid)
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    17 bids

    We need a full-stack developer who can create a full login, verification, authentication flow as well as user interface, data storage, and some functionality on a dedicated 'virtual' server. All information must be contained within the server. NO use of AWS or any other service.

    $523 (Avg Bid)
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    33 bids
    Project for Amaan M. -- 4 6 days left
    VERIFIED

    Hi Amaan M., I noticed your profile and would like to offer you my project. We can discuss any details over chat.

    $47 (Avg Bid)
    $47 Avg Bid
    5 bids

    4 sites, currently on HP and flat vlan. Implement EX3400 with OSPF and QFX5100 for core. Each site will have EX3400 as core and QFX5100 as datacenter. New IP schema design and OSPF routing between sites.

    $37 / hr (Avg Bid)
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    16 bids
    system debian 6 days left

    make a video that descrie the install and configuration of DHCP server and NFS in debian 11

    $20 (Avg Bid)
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    5 bids
    VPN for office 5 days left
    VERIFIED

    we need to build a custom VPN to be used in the office. we are looking to install SoftEther or any other competing one.

    $15 / hr (Avg Bid)
    $15 / hr Avg Bid
    13 bids

    Newfies Dialer Installation on dedicated server

    $99 (Avg Bid)
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    6 bids

    A few years ago, we built a system to synchronize emails with a crm. The system checks email accounts and creates contact record for new emails sent or received. It used Basic authentication which is now being deprecated for some email system. We want to modify the system to work with Modern oAuth2 authentication. The system was written on CodeIgniter and used this extension

    $695 (Avg Bid)
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    55 bids

    Modules need to be installed in contabo VPS server ( Nodejs Lts version, Pm2,Git)

    $14 (Avg Bid)
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    9 bids
    Drupal 9 hosting migration 5 days left
    VERIFIED

    I need to migrate a (live) Drupal 9 website from a server to a new server. In details from a Ubuntu Server 20.04 LTS 64bit with SSH to a server CentOS 7.x 64bit with Plesk and MariaDB 10.0. Clearly the migrated website must have all working functions of the original website. Other infos on request. Thanks

    $135 (Avg Bid)
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    53 bids
    VPN Expert urgent 5 days left
    VERIFIED

    we need to build a custom VPN to be used in the office. we are looking to install SoftEther or any other competing one.

    $11 / hr (Avg Bid)
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    8 bids

    Network Expert.................

    $150 (Avg Bid)
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    22 bids

    Hello, The project is about building a decentralized P2P network (platform) based on the IPFS or libp2p network framework. The project has 5 main phases: 1) Build a P2P network, where each node/peer participating in this network must be capable of discovering, routing, messaging, file sharing and pinging other nodes/peers. This can be done through the IPFS or LibP2P. This step is very easy just need to install one of the abovementioned protocol and then deploy it as a private (isolated) network via "Swarm / DHT ". 2) Resource management: each node/peer must be able to manage its own resources (i.e. RAM, CPU and storage). 3) Deploy RAY over this P2P network: RAY must be deployed, run and test in this platform when the steps 1-2 are accomplished. It means that the platform must su...

    $475 (Avg Bid)
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    12 bids
    Docker expert 5 days left
    VERIFIED

    I am logging with docker in AWS ecr. But I am not logging without the error. It is not response. If you can solve it, please bid here.

    $22 / hr (Avg Bid)
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    21 bids
    Wireguard VPN 5 days left

    I bought a dedicated server with 10 dedicated ip and i need someone who install pfsense wireguard and configure a tunnel. And teach me to create users.

    $12 / hr (Avg Bid)
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    11 bids
    Aws services 5 days left

    Scale out computing service- to manage users centrally when aitoscaling done

    $96 (Avg Bid)
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    8 bids

    Covert EC2 fixed instance to scalable for ecommerce website. Current instance is with 2CPU. being slow as 10GB or 30GB volume is filled up. Need solution for auto scaling and also for long term ecommerce run. PLEASE PING IF YOU WANT TO WORK. NO SCAMMERS PLEASE. DONT PING IF YOU HAVENT READ REQUIREMENT

    $40 (Avg Bid)
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    21 bids
    Networking -- 2 5 days left
    VERIFIED

    Need to configure network in 3 different vmware can be done with fedora for more info check the picture Complete each task in the the photo n take screenshots of each steps n put all in oders in a word document n submit it via email (Removed by Freelancer.com Admin for offsiting - please see Section 13 of our Terms and Conditions) will pay u $15 need by thrusday may 26 111:59 pm

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    Featured
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    3 bids

    i have on prem server running Kubernetes , needs to install stateful deployment for php MySQL database and cluster cert-manager

    $31 (Avg Bid)
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    5 bids

    My company has a small Drupal internal intranet site that has crashed, we need help restoring from backup and updating to current version- will live on locally hosted VM. Thinking Ubuntu.

    $1158 (Avg Bid)
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    49 bids
    IT Security Expert 5 days left
    VERIFIED

    I am looking for skilled ransomware virus expert, some weeks ago my excel files are encrypted from the virus. I need to decrypt my files, After attacked from the virus, I installed new OS at my PC, I have only personal virus ID and encrypted file. Please ping me only security experts. my files are encrypted with *.uyjh I have tried with "Emisoft Ecrypter for stop Djvu" program in my side, But failed. I see only this message "File: D:2222021 Error: No key for New Variant online ID: aM52ICzJQKQw5RzWb694LpEJS4hoQggGum2NGG0i Notice: this ID appears to be an online ID, decryption is impossible" Please bid only experts. Thanks.

    $666 (Avg Bid)
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    6 bids

    I need AWS security architect to deploy my app Requirements: 1- Deploy the frontend and backend with efficient budget 2- Certified AWS security architect 3- Certified cloud security 4- Certified in RDS or dynamo DB Please I need an effective worker not to waste my time

    $559 (Avg Bid)
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    28 bids

    we need to setup a new aws account and migrate everything from the previous account.

    $93 (Avg Bid)
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    16 bids

    In this role you will be playing IT admin role and primarily managing Office365, SSLs, resolving system & domain issues and manage cloud infrastructure.

    $13 / hr (Avg Bid)
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    8 bids

    we would like to have assistance to configure 2 routers facing same IP range trough 2 BGP session actually in place. we need asssistance to manage priority and probably configure OSPF or something else so each appliance do not broadcast the same IP at the same time . we would like to have a remote asssitance and do a microsoft team session with audio . we think 1-2 hours will be enough

    $39 / hr (Avg Bid)
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    10 bids
    Proxmox gpu passthrough 4 days left
    VERIFIED

    I need someone to do GPU passthrough on Proxmox 7.2-4. Please bid just in case if you have experience with Proxmox.

    $38 (Avg Bid)
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    7 bids

    Hi we need a Senior DevOps Engineer that's looking for long term work and that can start now. aws ec2, postressql, redis

    $21 / hr (Avg Bid)
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    21 bids

    Hi guys. I am looking for a expert who can add ssl correctly in my website. My website was hosted on aws ec2 instance and I need to configure ssl on nginx.. Please bid on my project if you are familiar with that stack..

    $24 (Avg Bid)
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    18 bids

    1. Conducting Technical Interviews for following L2/L3 Profile 2. Recording the Online Interview Session 3. Sharing the Interview feedback in a prescribed format Profiles for which Interviews are to be conducted 1. Windows 2012 R2 or Higher , DHCP /DNS etc concepts , VmWare ESxi / VCenter - L2 / L3 2. Network and Network Security - Cisco and Juniper - L2/L3 Profiles 3. AWS / Azure System Administrator - L2 / L3

    $17 (Avg Bid)
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    5 bids

    configure the firewall and sever to access the user thought lan and wireless to access the internet thought otp and admin authorization

    $862 (Avg Bid)
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    8 bids
    Install mikrotik in dell R620 4 days left
    VERIFIED

    Install mikrotik in dell R620 server

    $14 (Avg Bid)
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    6 bids

    HI, I want someone to help me to setup the email alerts for my local windows server backup logs. Thanks

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    8 bids

    Create a virtual machine and install Kali Linux. Demonstrate its connectivity to the Internet

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    30 bids
    Need trainer for AWS 4 days left
    VERIFIED

    Need trainers of AWS to train

    $22 / hr (Avg Bid)
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    6 bids

    Hire specialist in email server security also in AWS, who can resolve an issue with a bot wich is sending spam from our mail server.

    $151 (Avg Bid)
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    9 bids

    I have purchased a dedicated server from hetzner now want to install xcp-ng (XenServer) on that I have tried below method to install XCP-NG and it works but I am not able to connect after reboot? can anyone help in this regard

    $143 (Avg Bid)
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    13 bids

    Developing Data Acquisition System for Generator for following parameters: Parameters Qty System 1 Exhaust Temperature 0 to 500 Degree C 2 Exhaust 2 Coolant Surface Temperatures - 0 – 100 Degrees 2 Coolant Delta T 3 Oil Pressure – 0 -100 PSI - 1 Nos (Body Temperature 80 Degree C) 1 Lube Oil Pressure 4 Oil Temperature – 0 -150 Degrees- 1 Nos (Body Temperature 80 Degree C) 1 Lube Oil Temperature 5 Hot Air Pressure – 0- 20 PSI -4 Nos ( Body temperature 80 Degree C) 4 Turbo Boost Before and After Aftercoler 6 Hot Air Temperature – 0-80 degree C 4 Intake Temperature Delta T 7 Hot Air Pressure – 0 to 1 Psi - 1 No ( Body temperature – 60 Degree C 1 Blowbye 8 Vibration 1 Alternn...

    $3581 (Avg Bid)
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    I need a technical consultant with a strong solid experience in implementing Microsoft Dynamics 365- Non-profit accelerator and a hands-on experience of 1- Microsoft Dynamics 365- Non-profit accelerator configuration. Specifically Donor management and volunteer management. 2- Microsoft Power Apps development. 3- Microsoft Power Automate 4- Microsoft chatbots (is plus) The project requirement is to implement the standard functionality Donor management module (non-profit hub) and Volunteers Managements modules of the Non-for-profit accelerator crm version as first phase. Detailed Scope will be sent later, but it's more about having Expression of Interest from freelancers at this stage. This project if fixed cost project for the first phase. So through your proposal

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    I am looking for office 365 server admin, who can fix the issue "mail relay through office365 received as unverified", we are currently having sendmail server and it is configure with office 365.

    $45 (Avg Bid)
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    12 bids

    we have built new virtual machine Issabel PBX . A- The old system is Elastix , we want someone to manually move the call logs and recording from The old elastix to the new issabel B- We want someone to help us increas the virutal machine size for the Issabel ,becuase the current machine size is 100G and we want to make it 500GB or higher ,we know how to do it on vmware but internally how it will increase we don't know .

    $23 / hr (Avg Bid)
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    Scenario: - A Macbook is in a hotel connected to the Internet with Remote Desktop and remote access enabled - This Macbook has port 22 reverse forwarded to a Linux server (ssh -R) - Therefore I can log onto the linux server, and connect to the Macbook with ssh via the remote forwarded port Problem: - I have ssh access to the Macbook but want to connect to it via Apple's "Remote Desktop". - I tried remote forwarding of port 3283 and 5900 (TCP/UDP) but was unable to connect to the Macbook. I would like to use another Mac, outside of the LAN of the Macbook in the hotel, and connct the the Macbook via Remote Desktop.

    $156 (Avg Bid)
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    11 bids

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