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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    156 jobs found, pricing in USD

    We have a Microsoft Network and we had Work Folders set up on it for our employees can access the directory from their homes. We have been unable to get it working and the error always comes down to a SSL one. The project is to resolve this issue to allow us to utilize the Work Folders feature in MS Network.

    $204 (Avg Bid)
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    3 bids
    VPS server security 6 days left
    VERIFIED

    Need some one expert with server security and have good knowledge of PHP too.

    $1 - $5 / hr
    Sealed NDA
    $1 - $5 / hr
    7 bids
    DHCP Server 6 days left

    I have a problem dhcp server Windows server

    $33 (Avg Bid)
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    11 bids

    Emails issues, sending and receiving issues. Using Plesk, Cloudflare, AWS and mailjet.

    $78 (Avg Bid)
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    13 bids

    i have a vps and i have a single website using php application ,, php application is exposing my server ip , i've installed a rule for nginx to stop visiting from server ip and it successes but they can still stress my server with paid stress services begin sold for cheap prices all over the internet i'm using cloudflare pro but they are getting my original server ip from my outgoin...

    $142 (Avg Bid)
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    6 bids

    Help with Setting a blockchain node in AWS

    $290 (Avg Bid)
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    4 bids
    Cloudflare / Server Config 6 days left
    VERIFIED

    Need an expert to help fix cloudflare and apache server configuration - site is not working well.

    $103 (Avg Bid)
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    23 bids

    i have a laravel php script. which have manual payout now. need anyone who can integrate razorpay payout api.

    $39 (Avg Bid)
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    6 bids

    I need my website re-configured.I need you to design and build it.

    $35 (Avg Bid)
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    8 bids

    I want set process to handling bounces in SES bounce processing and complaint process at AWS SES

    $17 (Avg Bid)
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    3 bids
    contact centre 6 days left

    cisco ucce design config maintain

    $1399 (Avg Bid)
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    10 bids
    FusionPBX Setup 6 days left

    We just deployed a cloud based FusionPBX. We urgently need a freelancer to assist in completing the setup configurations. The underlisted tasks are what we urgently want. - Configure Gateway with a SIP provider. - Inbound and Outbound calls. - IVR setup.

    $37 / hr (Avg Bid)
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    5 bids
    VPS to Directadmin 6 days left
    VERIFIED

    Start your reply with SSH We need somebody who knows SSH to transfer 11 WP sites to DIrectadmin environment including transferring cronjobs. No email to transfer. Please reply only if you are an experienced specialist. SSH. What do you need?

    $35 (Avg Bid)
    $35 Avg Bid
    19 bids

    Hello, Need some one to enter our AWS account through TeamViwer and upgrade our ERPNext Version 12 to the latest.

    $16 / hr (Avg Bid)
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    5 bids

    Requirements: I need a senior Sysadmin with the following expertise: 1. SysAdmin expert in server configuration, security and backups (at least 10 years experience). Expert in Debian, Proxmox, IMSCP, ISPconfig 2. Expert in Wordpress at least 3 years experience and expert in wordpress security 3. More than 2 years experience with OVH hosting company using dedicated servers, access via KVM, configu...

    $163 (Avg Bid)
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    18 bids

    Anyone who knows Computer Networking

    $36 (Avg Bid)
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    13 bids

    create a cryptocurrency transfer system: bitcoin or Ethereum or some other cryptocurrency and it’s basically a wallet to wallet transfer tool. The simplest method or crypto coin that we can use to start out as a test is really all that’s important.

    $512 (Avg Bid)
    $512 Avg Bid
    4 bids

    Required a support for automation of monitoring tools of zabbix, prometheus using ansible and configuring it with the DB. If you have good knowledge, [Removed by Freelancer.com]

    $26 (Avg Bid)
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    3 bids

    Network & System Administrator

    $26 (Avg Bid)
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    6 bids

    I need my website re-configured.I need you to design and build a landing page.

    $96 (Avg Bid)
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    29 bids

    Network & System Administrator

    $16 (Avg Bid)
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    6 bids
    SCCM EXPERT 6 days left
    VERIFIED

    I need a real sccm expert to fix our sccm MP, WSUS components and troubleshoot sccm clients issues. We have tried all we can and we can't figure out why it is not working.

    $19 / hr (Avg Bid)
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    3 bids
    AWS expert 6 days left

    Hi I'm looking to build a production grade computer vision architectecture on AWS using Kinesis Video Streams and AWS Inferentia. I attached structure diagram. Only bid with flow diagram how you will implement this and what service you will use. If not, it will be ignored.

    $1734 (Avg Bid)
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    8 bids
    Network and Server Engineer 6 days left
    VERIFIED

    We are looking for an On call and project based Sr. Engineer to help with Installation, Setup/configurations and troubleshooting. The engineer will need to be able to articulate solutions in a reasonable amount of time. Engineer has an expert level experience with the follow environments. Server: SQL Active Directory 2008,2016,2019 Network: Ruckus /HP Cisco Meraki Sonic Wall Access poi...

    $53 / hr (Avg Bid)
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    We are looking for someone with experience and ehtusiasm for watching international television from around the world. Such as watching USA amazon prime outside of USA. Or watching BBC UK from outside UK. If you have done this before and are good at it then this might be the right job for you. MOST IMPORTANT: 1) You will need to be able to use WIRESHARK to capture network data 2) You must have at ...

    $13 / hr (Avg Bid)
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    1 bids

    Hello, i need an expert on DNS or Lunix server to help invistgate and solve my issue the issue i have removed one of my servers and i have other servers looks when sending email still going with the wrong route check below [login to view URL] this server is no longer up ##### Note i cant provide and access you must come to my PC using desktime or remote desk connection to solve it ##### Event:...

    $27 (Avg Bid)
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    9 bids

    I have a networking task. I need an expert to do this. More details via pm

    $51 (Avg Bid)
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    17 bids
    Email Auto Responder 5 days left
    VERIFIED

    Either in Outlook or on O365 set up an autoresponder that will reply to all with some text and a link to the domain used on the "To" part of the email. So for example an email from jim @ [login to view URL] to bob @ bob .com would send a reply to jim @ [login to view URL] with a link to [login to view URL]

    $38 (Avg Bid)
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    5 bids
    Postfix IP Rotation (Urgent) 5 days left
    VERIFIED

    Hi mate, Recently I installed Postfix SMTP with Virtualmin. Can anyone of you enable IP rotation in postfix for me?? I have 2 IPs configured with my contabo VPS.

    $39 (Avg Bid)
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    5 bids

    an SME looking for IT manager to manage their online email server, adding new ID, back up of system and office related matters of IT person

    $196 (Avg Bid)
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    12 bids
    Solve Email delivery Issue 5 days left
    VERIFIED

    Email delivery Issue My mail server is on a VPS. Emails are not delivered on Gmail, Hotmail and Yahoo. Troubleshoot and solve email delivery issues. Regards

    $32 (Avg Bid)
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    14 bids

    expert level in. EKS (aws kubenetes ) terraform and stack. Strong AWS experience preferred (other cloud provider experience may be considered) Expertise in working with Kubernetes within a managed provider Proficient with Docker and able to write as well as debug Docker files Experience in containerized applications optimally running in a Docker/Kubernetes environment Strong experience with Terr...

    $23 / hr (Avg Bid)
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    14 bids

    Looking for an experienced Dev Ops / Sys Admin to help scale a WordPress marketing / media site across 5 VM servers (hosted on private hosting company). Would need to set up the servers, install PHP, MySQL etc. and help deploy site to servers as well as provide on-going monitoring and support post launch.

    $50 / hr (Avg Bid)
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    12 bids

    I needed help with an cisco packet tracer

    $24 (Avg Bid)
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    14 bids

    looking for a expertise who can help me with task related to web application firewall AWS and a cloud security

    $545 (Avg Bid)
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    21 bids

    I want a network design with: a network diagram using Visio switchers, hubs, routers, web caches, CDN more info in chat.

    $27 (Avg Bid)
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    11 bids
    Stongswan IPSEC to Fortinet 5 days left
    VERIFIED

    Hi, we have a working IPSEC VPN from a Forticlient on Windows server to a Forfitnet and want to migrate this to our EC2 linux server. I Think Strongswan would be a good choice to connect to Fortinet, I need help to setup this connection.

    $132 (Avg Bid)
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    10 bids

    i am using digital ocean and i was using same droplet to host one of my client website built in codeignter but now i want to change the old server again but when i connect domain it never works, i setup dns everythign its connected to my server as well but files not works on website, its not related to website, a server guys is required for it, who have deep knowledge of everything as there must b...

    $22 / hr (Avg Bid)
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    29 bids
    ssh configuration for jetpack 5 days left
    VERIFIED

    Hello, i can't configure openSSH for jetpack. I need advice on setting this up with cpanel

    $47 (Avg Bid)
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    9 bids
    server expert needed urgent 5 days left
    VERIFIED

    i have a digital ocean droplet, and where i setup fastpanel as it have options to add users and i can set privilagies like they can access filemanager, cron jobs, etc etc but i can give access to them emails but as main user i can access emails and the other thing is there is no mail server too, i just need an expert who can setup email server and as liek cpanel i can also create emails in fastpan...

    $23 - $39
    Sealed
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    13 bids

    2 X Wordpress site should be removed from malware and make the site secure. The site is sending Spy mails. redirecting to another site. the site has to be secured finally very strong. Only EXPERTS!!!!!

    $80 (Avg Bid)
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    11 bids

    I would like to upgrade the database from mysql 8 to mariadb 10 on my centos 8. This work needs to be done over a Teamviewer or AnyDesk connection. I currently have many active websites running so that needs to be secured.

    $33 (Avg Bid)
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    5 bids
    FreeBSD Jail Ubuntu 18.04 5 days left
    VERIFIED

    I need a freebsd expert to configure a Jail in freebsd 11 with Ubuntu 18.04 which will share the same primary network interface of freebsd. Please apply if you have done this before.

    $100 (Avg Bid)
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    1 bids

    we are looking to setup a email server, on our aws instance

    $54 (Avg Bid)
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    12 bids

    We require 800+ Online Exam Server Coordinators on PAN India level. The candidate must be a Graduate with 1 Year + experience IT-IMS as a DSE/TSE. We will pay on monthly basis from INR 12000- INR 15000. Project duration is 1-3 months (may extend based on performance and client requirement).

    $195 (Avg Bid)
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    6 bids
    Azure DEVOPS Engineer -- 4 5 days left
    VERIFIED

    I am looking for Azure DevOPS engineer who can help my task. I will share detail.

    $196 (Avg Bid)
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    5 bids

    Hello, Urgent Need For Godaddy Server Expert who have experience for creating virtual host or reverse proxy setup in whm/cpanel. Thanks

    $21 (Avg Bid)
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    15 bids

    I want set process to handling bounces in ses bounce processing and complant process at aws ses.

    $43 (Avg Bid)
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    4 bids

    Job Description Top skills are: - either Illumio or NSX - ACL - experience providing network flows/analysis This is NOT a security role, but they would prefer to have someone with a security background since this work deals with segregation in firewall concepts/policy and it would help someone who understands those policies. The manager described it as doing some reverse engineering since they wi...

    $279 (Avg Bid)
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    6 bids
    HR Systems and Processes 5 days left
    VERIFIED

    I have just established a tech' recruitment start-up. I'm looking for someone with the following background/qualities: *Junior to mid-level human resources experience with enthusiasm to learn and grow. *Minimum of 2 years post university experience. *A genuine, empathic people person with a sense of fairness, who can sit in the middle ground between the employer and the employees...

    $257 (Avg Bid)
    Local
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    7 bids

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