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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    147 jobs found, pricing in USD

    If you have experience in such websites, with high mysql results queries and server optimisation.

    $200 (Avg Bid)
    $200 Avg Bid
    2 bids

    Today our server down giving error 502 to our visitors, some times we get delayed response from server and sometimes get error 502. Our platform is hosted in AWS cloud. Required freelancer with high knowledge with AWS SSD IOPS calculation and able to determine where the error came from . The work will be through remote desktop connection using Teamviewer

    $250 (Avg Bid)
    $250 Avg Bid
    1 bids
    socks5 proxies integration 6 days left
    VERIFIED

    Make [login to view URL] socks5 proxies work with incogniton browser profile software

    $27 / hr (Avg Bid)
    $27 / hr Avg Bid
    6 bids

    I have an existing server (outside Amazon EC2) that: - connects automatically to a random VPN using OpenVPN - this works just fine (incl. leaving the SSH access intact) but it creates a 100% CPU load from that script which I can't explain I'd like to fix that and bring down CPU utilization. And I'd like you to add a way so that server can use the existing Amazon EC2 VPC: [login ...

    $195 (Avg Bid)
    $195 Avg Bid
    4 bids
    SMTP Server relay 6 days left
    VERIFIED

    I have a server running CentOS. This server has cPanel (WHM) installed. This acts as my email server. I have 2 windows servers, call them server A and server B. I have installed PHP on both. On both, I have set in [login to view URL] smtp server as the centos server. Sending email using php mail from server A is okay, while sending from server B is taking long. I need to speed up the sending of...

    $28 (Avg Bid)
    $28 Avg Bid
    4 bids
    OpenVPN server 6 days left
    VERIFIED

    I have built OpenVPN server. OpenVPN server works fine on Etisalat of UAE. But connected to OpenVPN, internet doesn't work in this country. If you are vpn expert. please bid.

    $88 (Avg Bid)
    $88 Avg Bid
    10 bids

    I need support from Monday - Friday Work of operation support Hours 10 - 4:00pm Cst Write terraform scripts from scratch for building Dev, Staging, Prod and DR environments

    $2500 (Avg Bid)
    $2500 Avg Bid
    8 bids

    Hi there We have set up a Free PBX Server and it has been running without issue for over a year. but I'm aware my knowledge isn't quite there and I need someone familiar with both FreePBX and PFsense to sanity check my config and make alterations for better security and performance where required.

    $231 (Avg Bid)
    $231 Avg Bid
    6 bids

    Set up VPC end point from AWS S3 to one of the AWS nodes [login to view URL]

    $17 (Avg Bid)
    $17 Avg Bid
    2 bids
    fix MX record on domain name 6 days left
    VERIFIED

    I am not receiving my email and it's probably because of MXrecord DNS from [login to view URL] to godaddy Need help to fix it

    $23 (Avg Bid)
    $23 Avg Bid
    18 bids

    Network marketing is an biggest source to accheive ur all dreams.....

    $354 (Avg Bid)
    $354 Avg Bid
    2 bids
    Upload template on magento 6 days left
    VERIFIED

    HI, Looking for someone who is familiar with aws, ssh, putty etc who can upload template correctly on Magento and set up. Further work can be discussed.

    $19 / hr (Avg Bid)
    $19 / hr Avg Bid
    40 bids

    GJD Technologies Pvt. Ltd. is ??????? ??? ??????? ????????/?? ??????? ??, ??????? ????????? ?? ??????, ?????. ???? ???????????: The candidate needs to work on Vessel on port. Knowledge on networking products such as routers, switches, wireless controllers, firewalls etc. Network Monitoring and remote management tools. Experience in designing network, routing and switching administration, including...

    $3000 - $5000
    $3000 - $5000
    0 bids
    config some plugin on openwrt 6 days left
    VERIFIED

    Hello, I have a little project. I have ten Xiaomi 4C Router for several places. I want to have configured firmware with some plugin that I'll tell in below then install openwrt on other Nine xiaomi 4c routers that I installed Fresh openwrt and restore the config file from that router has configured plugins on it. Also edit firewall for active Kill Switch. It mean atleast one VPN Client plugi...

    $20 (Avg Bid)
    $20 Avg Bid
    1 bids

    hi there. I need an zabbix expert who can write me a detailed "how to" to configure zabbix-server to show me active user sessions including computername on selected windows computers in real time. thanks

    $161 (Avg Bid)
    $161 Avg Bid
    9 bids

    need help with windows, linux, bash can you help will share a document

    $124 (Avg Bid)
    $124 Avg Bid
    13 bids
    vpn ip changer 6 days left
    VERIFIED

    IP changer setup needed a networking software engineer

    $16 (Avg Bid)
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    4 bids

    we have our windows server, you have to do Active directory configuration in windows server. We have the clear documentation for AD configuration, we will create 3 linux server, you have to do oracle virtual box setup in that, also need to configure these 3 server with windows server. and also have to install softwares in it

    $132 (Avg Bid)
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    19 bids

    We already develop a custom window printer driver. It works fine but now we need to add some special custom resolution in the GPD associated file .GPD files use the GPD language to describe a printer. It seems impossible to have 180,360 and 600 dpi resolution. We provide the original GPD file and associated .inf with our dll drivers to test the new modified GPD. We need to choose the 3 DPI resolut...

    $579 (Avg Bid)
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    5 bids

    I have a project where I am working on coming up with a process to migrated DNS and DHCP off of Centos 6 Server to a new RHEL 8 above Server. I need to do this without bring network down. Need help with coming up with the best way to do it without it being notice.

    $404 (Avg Bid)
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    21 bids

    Varnish cache set up on AWS WordPress ec2 instance by screen sharing

    $89 (Avg Bid)
    $89 Avg Bid
    8 bids

    Looking for an onsite technician for racking the server and do the basic configuration.

    $21 / hr (Avg Bid)
    Local
    $21 / hr Avg Bid
    5 bids

    8 hour project: May 15, 12pm HKT - 8pm HKT VM information OS: Linux Required 1 CPU and 0.5 GB of memory, approx 10 GB of HDD space Network: by default NAT network but configurable to bridging mode, DHCP enabled Firewall: off, ICMP allowed Difficulty Level: Easy (1-2 / 10) VM Matrix (ref to Hackthebox) : Enumeration: 2/5 Real Life: 3/5 CVE: 0/5 Custom: 1/5 CTF: 1/5 Points distribution: It worth...

    $170 (Avg Bid)
    $170 Avg Bid
    4 bids

    We are a web hosting company that provides shared hosting, reseller hosting, VPS hosting, and dedicated servers. We are looking for talented systems administrators (with great customer service skills) to join our operations/support team. The goal of the operations team is to ensure the smooth, day to day operation of our web hosting company, so this may include both support/systems administration...

    $685 (Avg Bid)
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    13 bids

    We are accountancy firm of 10 Users. We have file server in using Microsoft Server 2012 R2. We are looking to move to cloud. All accountancy software are installed on local computers. We would like to set up efficient remote working system. I think probably cloud computing or setting up VPN. We are not sure. Need advice as to what is best solution. We may look at setting up Office 365 as well.

    $39 / hr (Avg Bid)
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    21 bids
    Linux Monero Restoring Issue 5 days left
    VERIFIED

    I only have my monero directory wallet which has a directory called MOE and in that directory is a file called MOE, [login to view URL] and MOE.keys. I have no passwords or recovery keys. I need to know if I can restore this wallet somehow.

    $25 (Avg Bid)
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    1 bids
    Packet tracer 5 days left
    VERIFIED

    Your task will be to configure a whole network, with IPv4, IPv6 addressing, static or dynamic routing, and DHCP or DHCPv6. it's for an exam on Monday (17th may). you will get 1.5 hrs for the test. i can show you some examples.

    $5 / hr (Avg Bid)
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    10 bids

    We are an AI startup looking for a person to join as AI Devops. This includes deploying models (triton server, tensorflow serving..) and optimizing deployment for scalability and latency on dedicated servers and in cloud. Requirements: 1. Experience working with machine learning models (transformers) 2. GCP/AWS/Azure devops experience 3. Linux sysadmin - experience Linux networking, iptables an...

    $38 / hr (Avg Bid)
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    2 bids

    Need assistance with Network Security including Architecture, IPsec & Packet Firewalls

    $181 (Avg Bid)
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    26 bids

    Network marketing is an biggest source to accheive ur all dreams......

    $284 (Avg Bid)
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    3 bids

    I need someone to please help me build a Desktop Environment in AWS with the following specifications: - Ubuntu server 20.04 - Lubuntu Desktop installed - xRDP and Pulseaudio installed and configured to reroute sound to RDP client - Chrome and Firefox must be installed Success criteria: - Freelancer stands up the above Desktop Environment and permits me to test the connection with a RDP client ...

    $517 (Avg Bid)
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    22 bids
    configure Gitlab on aws 5 days left
    VERIFIED

    Need to configure Gitlab and back code repositories to s3 bucket

    $33 (Avg Bid)
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    12 bids

    I need soneone with experience of Maintaining windows 2008 R2/2012/2016 and upgrades and patches, Maintain and Administer AD, Maintain amd Administer Microsoft Cluster Solutions, SCCM and SCOM, VM virtulisation, Troublshooting Windows server and SCCM to support me during the day. You should be available to assist remotely 09,00 t0 17.00 UK time,

    $24 (Avg Bid)
    $24 Avg Bid
    11 bids

    Network marketing..... work from home

    $235 (Avg Bid)
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    2 bids

    Hi, I have a guitar lesson site that uses email marketing. I am finding that the emails we send out are going into SPAM folders. I need somebody to dive into this for me. I don't want just generic answers I can find by a simple Google search. I need somebody to understand the issue and present a comprehensive strategy tailored to my site for addressing the spam issue. You will be asked to: ...

    $361 (Avg Bid)
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    15 bids
    Apache Flink expert needed 5 days left
    VERIFIED

    Apache Flink expert needed for an IoT report. More discussion with selected freelancer.

    $6 / hr (Avg Bid)
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    4 bids

    I need AWS professional who have worked with deploying ML Models with Sagemaker. just a small issue

    $14 (Avg Bid)
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    1 bids
    Cisco jabber 5 days left

    Need to Configure a voice Mail Drop Server. I need a technical person who can work in Cisco and experienced building servers. you need to complete the following steps : [login to view URL]

    $118 (Avg Bid)
    $118 Avg Bid
    5 bids
    Optimise my CloudWays VPS 5 days left
    VERIFIED

    We have a Cloudways server and 2 applications are consuming a lot of the CPU, making it quite unstable (see picture). The server should've been able to handle it all, the problems are bots coming to track the pages and that they are heavy (lots of useless pictures not showing up on the site). I need someone who will do a general asset cleanup as well as block many bots coming to these 2 app...

    $33 (Avg Bid)
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    9 bids

    i am looking for who can installation of zimbra in digitalocean,

    $37 (Avg Bid)
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    18 bids
    Malwares on my server 5 days left
    VERIFIED

    i have malwares on my server plesk

    $34 (Avg Bid)
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    22 bids

    What’s causing and fix load average spikes.

    $26 (Avg Bid)
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    8 bids

    This is a VERY simple assignment for a SonicWALL TZ300 expert. All I want to know are these 3 things: 1. How to disable URL logging (tracking) and ... 2. How to enable email notification whenever someone logs in as Admin ... 3. If someone logs in as Admin, what changes (if any) were made.

    $10 (Avg Bid)
    Guaranteed
    $10
    1 entries

    We have just moved all our clients to a new better spec VPS however WordPress admin areas are running slow. I would like lightspeed, Cloud Linux, Litespeed and Maria Database optimizing for the best speed performance I would also like advice on whether or not to use Redis My clients use a mixture of WP Rocket and LS cache for caching however I want some caching done at the server level for unca...

    $197 (Avg Bid)
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    15 bids

    To Installing 3CX server for audio calls on our Amazon Cloud on the Linux VM

    $10 - $30
    Sealed NDA
    $10 - $30
    12 bids

    I have 60+ database running on Mysql on top of Centos. Need command to optimize all the database for performance tuning purpose. This is a simple task - my budget is 10 USD

    $41 (Avg Bid)
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    5 bids
    Programming project -- 86708 4 days left
    VERIFIED

    Need to Configure a voice Mail Drop Server. I need a technical person who can work in Cisco and experienced building servers. you need to complete the following steps : [login to view URL]

    $120 (Avg Bid)
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    2 bids

    Vmware VM Not Connecting through other LAN Computer/Public. I Need to Connect my Vm to other LAN and Public IP My budget is Rs 250 INR Only. Who Interested Immediately ping me.

    $3 / hr (Avg Bid)
    $3 / hr Avg Bid
    9 bids

    Currently I have a smallest droplet on digital ocean on which already 2 websites are hosted. although only 1 is running and another one wants to remove. Now I have other two websites are hosted on hostgator hosting and want to shift/transfer to digital ocean and include new one more. That's how I need a droplet on which I can run 4 websites smoothly, on every website I will not get more tha...

    $23 (Avg Bid)
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    15 bids

    Hello, I have installed centos 8 and then whm in my home server but there is an issue in nameservers. Can you help me outta this. I created hostnames in godaddy and updated them in my server, but they are not working

    $18 (Avg Bid)
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    21 bids

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