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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    173 jobs found, pricing in USD

    Dear Candidates, We are looking for an asterisk, Freepbx and AWS cloud engineer who can take the role of supporting a telephone firm in a particular time. The engineer will require to take support during the +GMT 8 time zone. With that timing, the company allocates specific service level agreement to customers. The infrastructure consist of extension registered to assigned FREEPBX machine (EC2 i...

    $4 / hr (Avg Bid)
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    3 bids

    I have a cloud vpc on google cloud & i unable to access ssh.

    $16 (Avg Bid)
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    13 bids

    Need help stopping neighbors from creating fake networks using my modem. To my knowledge they have devices to help them out. They have all Mac ID’s for every device I own including brand new computer and modem. I use no WiFi because of the problems and I know the neighbor causing the problems. Need help to get the facts needed to put this to a stop. Will provide additional details once ...

    $22 / hr (Avg Bid)
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    2 bids

    We are looking for a server/network admin who can help us acquire servers for our company. The server will have a capacity to take on 3 users minimum. More details to follow.

    $1332 (Avg Bid)
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    19 bids

    LINUX REPORT WRITNG IS NEEEDED URGENTLY

    $41 (Avg Bid)
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    2 bids
    CISCO 3951 6 days left
    VERIFIED

    Having issues and need a complete guru in Cisco telephony. I have had a technician completely screw up my system,. I need VOICEMAIL restored (ext 400) which currently goes to office paging. Our environment is a SONICWALL with a 3951 with voicemail and 10 9971 phones, across 4 cisco switches. We need IMMEDIATE ASSISTANCE. DO NOT BID IF YOU CANNOT START RIGHT NOW.

    $305 (Avg Bid)
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    3 bids
    Zabbix - audit and improve 6 days left
    VERIFIED

    We rely heavily on Zabbix for our server monitoring. We would like a second pair of eyes to look at our current configuration, fix what's broken and make some improvements. We also have a few specific additional configurations to be completed: 1. We would like to setup an improved alerting system that will escalate the most important alarms in a meaningful manner. 2. Improved our existing mys...

    $26 / hr (Avg Bid)
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    4 bids

    Theory about networking and main topics are Lan security switch seurity wlan routing wlan configuration ip static routing

    $19 (Avg Bid)
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    11 bids
    Unix/Linux/Ubuntu Project 6 days left
    VERIFIED

    Hello there I am looking for someone who has experience with unix/linux and processing systems to help me with a very simple project please message me if you are interested

    $19 (Avg Bid)
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    8 bids

    just want to add "source" in ckeditor.

    $9 (Avg Bid)
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    2 bids
    Linksys WRT3200ACM 6 days left
    VERIFIED

    Need to properly configure the router Linksys WRT3200ACM. The connection of 2.4 works perfectly but the connection of 5 Ghz no Internet Afte need to Turn off the DHCP servers in all other devices

    $22 (Avg Bid)
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    7 bids

    I am following this tutorial: [login to view URL] I have completed all the steps besides building and installing the custom QEMU on my solusvm slave node. I need help with this.

    $30 (Avg Bid)
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    1 bids
    SSH script to delete files 6 days left
    VERIFIED

    Ineed a way to put a script on SSH to delete databases on my server Godaddy hosting

    $24 (Avg Bid)
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    15 bids
    CloudStack Support 6 days left
    VERIFIED

    Hi, Looking for a support to setup a site to site VPN between a Mikrotik Router and CloudStack infra BR

    $151 (Avg Bid)
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    7 bids

    Need linux expert to install ngnix to different servers. Please contact me for more info

    $87 (Avg Bid)
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    34 bids
    AWS Cloud Instructor 6 days left
    VERIFIED

    Currently In need of a AWS Cloud Expert, Engineer/ Architect for a teaching project that will last for 12 weeks. Must be AWS certified with experience teaching

    $2650 (Avg Bid)
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    6 bids

    I need my website re-configured.I need you to build my online store.

    $150 (Avg Bid)
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    5 bids
    lm_sensors troubleshoot 6 days left
    VERIFIED

    Please fix it. VMware ESXi CentOS 7 MariaDB Apache

    $8 / hr (Avg Bid)
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    4 bids
    Chef and AWS 6 days left

    I am looking for a Chef script to add AWS EC2 Host to AWS DNS and more in Chef Scripting

    $13 / hr (Avg Bid)
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    5 bids

    I need my online dosage calculator fixed. A lady from Freelancer has built it and worked out the calculations already but it keeps breaking so I'd like someone to take a look. It's probably an easy fix. The link for the calculator is [login to view URL] It should calculate automatically when the fields are entered but its not

    $25 (Avg Bid)
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    Hi, I want to connect my Mikrotik L2TP IP Sec Client to a remote Office Site Thanks

    $93 (Avg Bid)
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    10 bids
    SCCM task -- 2 6 days left
    VERIFIED

    Looing for SCCM expert to help Configuring Automatic Update Rules (ADRs) in System Center Configuration Manager SCCM to deploy monthly patches to Windows Servers only ( 2008 , 2012 , 2016 and 2019) , just need a single ADRs that contains all the required patches , Collections are been made. This task shouldn't rake long , 15 min most.

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    Guide me to deploy nodejs + mongodb to aws ec2(Ubuntu) and install ssl certificate

    $35 (Avg Bid)
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    15 bids
    CommVault backup task 6 days left
    VERIFIED

    Looking for CommVault backup expert for a task

    $19 (Avg Bid)
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    1 bids

    increase domain authority and page rank

    $10 - $30
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    0 bids

    i need the script developer for multiple jobs.

    $23 - $193
    Sealed
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    7 bids

    i need the script developer for multiple jobs.

    $23 - $193
    Sealed
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    5 bids
    AWS Technical 5 days left

    I need expert in AWS to do troubleshooting

    $109 (Avg Bid)
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    21 bids

    Develop a distributed mutual exclusion primitive for a number of processes running on the computers on a single switched LAN. (system architecture & operating systems)

    $182 (Avg Bid)
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    4 bids
    XEN/Linux Expert 5 days left
    VERIFIED

    We have a weird issue with our IP's stop pinging on all VPS all of a sudden. If we reboot the node they start working again, but only for a few hours and then it repeats. We need someone to help us figure this out.

    $130 (Avg Bid)
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    7 bids
    Update OpenSIPS to Latest 5 days left
    VERIFIED

    I'm using OpenSIPS with SippySoft. I want someone to update the OpenSIPS to latest without loosing any functionality and show me how it's done. More work will be provided in case of success.

    $120 (Avg Bid)
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    2 bids

    We have 1 app that needs to be migrated from 1 cpanel server to another. The only issue is that it's urgent. Pleas bid only if available to work now. Will pay your bidded hourly rate + bonus if done within estimated time. Thank you!

    $27 / hr (Avg Bid)
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    17 bids

    Hi. I need someone to configure STUN & ICE on asterisk. More requirements will be discussed over chat.

    $145 (Avg Bid)
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    2 bids

    i'm looking to start my hosting business and also host my websites using AWS will need assistance to do so

    $810 (Avg Bid)
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    45 bids
    Amazon AWS Issue 5 days left
    VERIFIED

    I have configured the transactional emails of the orders of my two sites with amazon ses, but I have started to receive the 50k limit with different addresses, something very strange, they were not orders

    $47 (Avg Bid)
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    6 bids
    Set a VPN connection 5 days left
    VERIFIED

    The budget is USD 10. This should be a simple job if you know what you have to do. I have a laptop in Canada connected to the internet 24/7. I want to set it as a VPN server and connect to it from my devices (laptops, tablets and phones) in Dubai. I will give you access to the computer in Canada via AnyDesk, and you should give me clear instructions on what I need to do on the devices in Dubai.

    $18 (Avg Bid)
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    15 bids
    Github Consultation 5 days left
    VERIFIED

    We need help in successful install and running of Github projects given below on our servers. Advise the best OS to use. We have both Windows and Linux ready for you. [login to view URL] [login to view URL] More support work will be needed after this phase is completed. Remote access will be provided if you like to use our system. Please ask any questions. The budget rate provided here is just...

    $457 (Avg Bid)
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    9 bids
    Proxomox VM network setting 5 days left
    VERIFIED

    I've created a Virtual Machine on Proxmox and installed ubuntu 18.04 on the Virtual Machine but I cannot connect to Internet, I need help on configuring the Network of the Virtual Machines, the problem is not related to PROXMOX setting as I try with CentOS7 on the same VM and it works fine. I only have problem with ubuntu 18.04

    $26 (Avg Bid)
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    11 bids

    I need to replicate virtual machines between 2 servers now I need someone to help who has already done this many times before. The machines aren’t on the same domain, they are independent machines on the same VPN. You will need to know how to generate a certificate to make this happen. The replication needs to work both ways. The virtual machines are already running, an experienced pers...

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    2 bids

    I need my website re-configured.I need you to build my personal website.

    $30 (Avg Bid)
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    40 bids

    Dear all, I have a Windows Server 2012 R2 acting as a domain controller in Exchange environment, having some OS issue ( reason unknow). If I open DNS, it will give me an error "an attempt was made to reference a token that doesn't exist" (screenshot attached for reference) , I have tried to restored its health by running the command [login to view URL] /Online /Cleanup-image /Resto...

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    10 bids

    You have to experience with webmin control panel Client able to send emails and reach at third parties mail services But not able to receive emails inbox always empty So something wrong in webmin config I think

    $28 (Avg Bid)
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    16 bids

    Mail server stops after booting up. It works initially but stops all of sudden. Please analyze logs and make clear about the cause and fix it. You cannot access direct and need to access remote onto my desktop. VMware ESXi CentOS MariaDB Apache PHP-FPM

    $18 / hr (Avg Bid)
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    7 bids

    Need Guidance Installing LetsEncrypt Certificate on Digital Ocean VM with Ubuntu [login to view URL]

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    Looking for Linux admin to quickly set up a DR site in AWS for a Lamp stack. Needs to have successfully executed multiple DR setup in the past.

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    10 bids

    need a Expert System Administrator And PHP Dev for ongoing support on our servers. We use AWS, EC2, RDS etc but you must be familiar with the even hardest managements.

    $24 / hr (Avg Bid)
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    29 bids

    1. Instalar wkhtmltopdf en odoo 13 community en una instancia de amazon ec2 para ver pdf

    $32 (Avg Bid)
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    2 bids

    I am looking for help in compiling an IT services upgrade proposal intended for one of our clients.

    $129 (Avg Bid)
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    12 bids

    We are a non-profit located in Columbus, OH. We have several projects that require data modeling with LookML and building Dashboards and Looks. We are going through a data migration and once that is complete we need our current data analysis reports converted/developed in Looker. We are looking for an analyst who is interested in developing these tools for us. An ideal fit would be somebody wi...

    $9331 (Avg Bid)
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    Necesito aclarar duda y configurar almacenamiento de logs para el waf de aws. requiero una sesión de por lo menos dos horas para aclarar y configurar ciertos servicios en amazon. I need to clarify doubt and configure log storage for the aws waf. I require a session of at least two hours to clarify and configure certain services in amazon.( in spanish)

    $17 / hr (Avg Bid)
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    1 bids

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