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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    123 jobs found, pricing in SGD

    Need assistance with cPanel to delegate some mail records.

    $23 (Avg Bid)
    $23 Avg Bid
    11 bids
    Configure AWS CloudWatch -- 2 6 days left
    VERIFIED

    I need some one to help us and configure AWS CloudWatch and add memory utilization into the dashboard. The project should be done on my computer with Anydesk. Instances are both Windows and

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    1 bids
    Configure AWS CloudWatch 6 days left
    VERIFIED

    I need some one to help us and configure AWS CloudWatch and add memory utilization into the dashboard. The project should be done on my computer with Anydesk. Instances are both Windows and

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    1 bids

    I need someone to turn my VPS into multiple servers.

    $35 (Avg Bid)
    $35 Avg Bid
    4 bids
    Configure PfSense FRR BGP 6 days left
    VERIFIED

    We have a fresh (non production) pfsense machine (running Pfsesne 2.5 with FRR package We need a freelancer (using the PfSense WebUI) to set up a BGP test environment with the following - Export/Advertise common (static) prefixes to all peers - Export/Advertise specific (static) prefixes to all specific peers - Accept/Import all prefixes from specific peers - Accept/Import only specific prefixes...

    $160 (Avg Bid)
    $160 Avg Bid
    3 bids

    Looking for someone to offer fixed monthly fee to handle system administration tasks for 3 Sun M3000 Solaris 10 systems. Including responding to alerts for file system issues, etc. These systems are SAP systems and SAP and Oracle is managed by us. We occasionally need help with filesystems, mounts, etc. Very minor tasks, but must be on call for emergencies or outages and must do occasional hea...

    $27 / hr (Avg Bid)
    $27 / hr Avg Bid
    2 bids
    crypto coin 6 days left

    some professional assistance. Are you able to help with creating a crypto coin that can be listed on multiple exchange apps and also create a phone app that people can use to buy the coin with debit/credit card and store the coin and also exchange it with other users of the app and ga

    $1557 (Avg Bid)
    $1557 Avg Bid
    6 bids

    I have a company and I give a cellphone / computer to employees and they use these devices to contact clients, we want to secure the client information. Goal: Prevent hackers from accessing the information, call, email, etc...

    $244 (Avg Bid)
    $244 Avg Bid
    6 bids

    1. Install an MV - windows 10 pro -which must be integrated in the realized field -should have installed on it: Winscp, putty 2. An MV will be installed - Windows Server 2012/2016/2019 - recommended image from Microsoft 2019 - must be DC - to have AD installed More information can be found in the document

    $287 (Avg Bid)
    $287 Avg Bid
    12 bids

    Looking for a part-time network admin for a proxy company, the role includes: - Liaising with US/EU carriers and datacenters to provision new services - Sourcing and managing IP space - announcing, working with LOA, sourcing clean IP ranges - Managing / ensuring uptime on 50+ Ubuntu servers - Configuring new Ubuntu proxy set-ups with Squid Proxy - Configuring / Coding Linux systems to manage and ...

    $28 / hr (Avg Bid)
    $28 / hr Avg Bid
    11 bids

    Using Nginx with Pagespeed behind a reverse proxy with magento2 the log show following error: 2021/05/13 17:08:56 [error] 23446#23612: [ngx_pagespeed 1.13.35.2-0] https://*******/media/catalog/product/cache/d850f2b5d85d75b89e553d5aa6cf07ce/b/e/[login to view URL] (connecting to:192.168.*.*:8080):0:serf_context_run error status=20014 (Internal error (specific information not available)) fix this ...

    $47 (Avg Bid)
    $47 Avg Bid
    8 bids

    So you give a cellphone / computers to employees-workers the use to contact clients, we want to secure the client information. Goal: Prevent hackers from accessing the information, call, email, etc...

    $93 (Avg Bid)
    $93 Avg Bid
    1 bids

    We are looking for somebody who can setup an XMeye linux server and provide make some modifications for us. It will need experience with XMeye SDK, and only people who have done something like this before may apply.

    $1361 - $2723
    $1361 - $2723
    0 bids

    We need full time tech support for Web Hosting. MUST be able to manage servers, email issues, IP blocks, SSL Certs, domain registrations, billing, invoice issues, and whatever else a client needs. Sometimes, it will require the use of LiveChat and TeamViewer remote connect to resolve client issues. This could lead to a FULL TIME position (in USA Time Zone) that requires oversight of a tech support...

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

    Need someone good expert in computer science and IT Performing Dynamic and Static Quality Control Testing

    $13 (Avg Bid)
    $13 Avg Bid
    1 bids

    We are looking for a support for HPC cluster where all our FEA and CFD runs happens. Basic requirements are 1. System administration 2. Create and manage 3. USERS accounts 4. DISC Space 5. Installations/updating/removal of different software 6. Creating and Managing the access to HPC Cluster from WINDOWS systems 7. Develop and manage a “queuing system” for FEA and CFD runs Anythin...

    $4 / hr (Avg Bid)
    $4 / hr Avg Bid
    2 bids

    We moved to a new VPS and need to redeploy our Plivo API. Please make it work on a sub domain. We are using Nginx and Virtualmin for management.

    $155 (Avg Bid)
    $155 Avg Bid
    9 bids
    BusyBox Server Administrator 6 days left
    VERIFIED

    HI, Need Linux administrator experienced in IP mounting.

    $36 / hr (Avg Bid)
    $36 / hr Avg Bid
    2 bids

    Hi,. I have a IP address from a hosting server which is connected using Forticlient VPN. I am trying to access the dedicated IP but it is not accessible. Server Guys say IP needs to be mounted. Please let me know if you can do it.

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

    Help me with installing CentOS 8 and cPanel/WHM on my server.

    $27 (Avg Bid)
    $27 Avg Bid
    14 bids
    Vmware Vshpere 6 6 days left

    Vmware vmdk file locked unable to power on the VM

    $28 / hr (Avg Bid)
    $28 / hr Avg Bid
    5 bids

    When i am installing laravel 6.0 in AWS server and trying to connect with MYSQL database i am getting connection error. I want you to resolve only this little portion and show me the reason

    $23 (Avg Bid)
    $23 Avg Bid
    17 bids

    Need someone good expert CCNP and CCNA

    $23 (Avg Bid)
    $23 Avg Bid
    6 bids

    We have new AD win 2016 on our environment, the old one is down completely. Some reason the DHCP is not releasing the IP addresses. Looking for help.

    $68 (Avg Bid)
    $68 Avg Bid
    12 bids

    I need a VPN Manager for Openwrt based Routers. something like this: [login to view URL] Someone can Done that for me?

    $825 (Avg Bid)
    $825 Avg Bid
    5 bids
    Expert Write terraform -- 2 5 days left
    VERIFIED

    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

    $1812 (Avg Bid)
    $1812 Avg Bid
    14 bids
    Antiddos Protection L7 flood 5 days left
    VERIFIED

    Hello, we are receiving a lot of L7 flood attack. We are looking for some person with experience to protect against flood. We have already build an nginx proxy but seems is not enought

    $16 / hr (Avg Bid)
    $16 / hr Avg Bid
    2 bids
    Ivanti Developer 5 days left

    Must be US citizen, or hold green card. Need an Ivanti Developer with 4 years experience Avanti (Heat) Applications Developer • must have a minimum of five (5) years of experience in Ivanti ITSM platform service request creation and automation • minimum of five (5) years of experience in Ivanti ITSM platform implementing the Ivanti Change Management feature of Ivanti Service Manager &b...

    $67 / hr (Avg Bid)
    $67 / hr Avg Bid
    2 bids

    just need a 10 min course to understand why im doing wrong while creating a birdge and adding vlan. we will test communication between 2 servers . thx

    $11 - $33
    Sealed
    $11 - $33
    4 bids

    CISCO Aironet 1240 AG Cisco SF 300 24 port switch

    $179 (Avg Bid)
    $179 Avg Bid
    20 bids
    Windows Server Admin Needed 5 days left
    VERIFIED

    I am looking for a Windows Server (2016/2019 Standard) admin to support with a variety of different tasks. This can range from configuring servers to diagnosing issues with performance.

    $267 (Avg Bid)
    $267 Avg Bid
    30 bids
    Data Master 5 days left
    VERIFIED

    I am a Hypnotherapist digitally automating my one-on-one therapy practice and additionally setting up Course structure to teach online Courses. - setup livestorm app tailored to my enterprise - private counseling sessions and paid webinars integrating Zappier into Livestorm - Second project using TherapyAppointment app to setup and transfer therapy clients to online client record keeping us...

    $1543 (Avg Bid)
    $1543 Avg Bid
    8 bids
    kali linux task 5 days left
    VERIFIED

    kali linux task please inbox for details

    $39 (Avg Bid)
    $39 Avg Bid
    9 bids

    Want to repair Speedtest server hosted on Ookla. It was running smoothly as suddenly some Ubuntu upgrade came and from that day onwards it failed. Want someone who can reinstall the server properly and start it again. Failed image is attached with the project.

    $28 (Avg Bid)
    $28 Avg Bid
    5 bids

    I have a three NODE (node1, node2, node3) Proxmox cluster with LVM-Thin Block SSDs(~350GB) and ext4 HDD(1TB). I need to deploy DRBD / OCFS2 replication file sever . There will be multiple VMs in each NODE provisioned as LXC containers; let us say NOde 1 has VM11, VM12, VM 13 ; NODE 2 has VM 21, VM 22, VM 23 and so on.. VM11 on NODE 1 will auto replicate with VM 21 on Node 2 and VM 31 on Node 3 wit...

    $399 (Avg Bid)
    $399 Avg Bid
    4 bids

    About Strengthscape: We are a business psychology firm that is into e-learning, strategy consulting, and online marketing of courses. Strengthscape offers certifications, assessments, training programs, and image consulting services to corporates and individuals to help them tap their strengths and create a unique competitive advantage. Project requirements: Experience in juniper vSRX and Vyatt...

    $879 (Avg Bid)
    $879 Avg Bid
    1 bids
    Expert Write Terraform 4 days left
    VERIFIED

    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

    $33 / hr (Avg Bid)
    $33 / hr Avg Bid
    6 bids

    I would like to deploy IRedMail (it doesn't have to be iRedMail, any open-source webmail-enabled email server will suffice if you have an alternate suggestion) on a Ubuntu server that is live and is being used for other purposes. That server is running: MariaDB Apache Webmin Observium iRedMail is intended to be installed on a clean install. I am looking for someone to deploy it onto this ma...

    $43 (Avg Bid)
    $43 Avg Bid
    6 bids

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

    $151 (Avg Bid)
    $151 Avg Bid
    9 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

    $184 (Avg Bid)
    $184 Avg Bid
    10 bids
    socks5 proxies integration 4 days left
    VERIFIED

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

    $32 / hr (Avg Bid)
    $32 / hr Avg Bid
    9 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 ...

    $260 (Avg Bid)
    $260 Avg Bid
    6 bids
    SMTP Server relay 4 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...

    $41 (Avg Bid)
    $41 Avg Bid
    9 bids
    OpenVPN server 4 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.

    $120 (Avg Bid)
    $120 Avg Bid
    11 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

    $3188 (Avg Bid)
    $3188 Avg Bid
    9 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.

    $267 (Avg Bid)
    $267 Avg Bid
    8 bids
    fix MX record on domain name 4 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

    $29 (Avg Bid)
    $29 Avg Bid
    26 bids

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

    $406 (Avg Bid)
    $406 Avg Bid
    3 bids
    Upload template on magento 4 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.

    $27 / hr (Avg Bid)
    $27 / hr Avg Bid
    65 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...

    $4006 - $6676
    $4006 - $6676
    0 bids

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