Network Administration Jobs

Any organization with an online presence wants to ensure that this presence is seamless, and that users and customers can constantly access their website for information, or to purchase goods and services. A network administrator ensures that this technical support is solid, and works to quickly resolve any potential issues within the network, to make sure that all systems are a go when it comes to the organization.


This often includes testing the network for weaknesses, which could lead to resolving more deep-seeded technical issues that could have been lethal to the company’s growth. It also includes utilizing specific e-mail and internet filters to protect the organization from outside threats of all kinds, and ensuring that the company’s network is updated in every sense possible.

 

A network administrator’s role can be very different, depending on the organization, but almost always requires a diligent eye and a pro-active attitude when it comes to protecting the security and productivity of a company or organization. The position requires a tremendous amount of technical knowledge, and without network administrators, organizations would be susceptible to more attacks, and have much less network resilience, which is essential in terms of overall productivity.

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    74 jobs found, pricing in SGD

    I need an expert for start a project of automatic re-posting of an ad. The candidate needs to have solid knowledge in order to be able to avoid the website restrictions ( they only allow 2 ads daily) and I need 10-16 ads to be posted on a daily basis. I ONLY provide 5 phone numbers, ad's description, pictures and 10-20 accounts. The candidate should post the ads independently and will get pay...

    $233 (Avg Bid)
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    2 bids
    Network Technology 6 days left
    VERIFIED

    Packet switching, message switching, circuit switching Calculating tine taken to transfer data  under different switching schemes Application  layer protocols DNS, http, smtp, ftp Reliable protocols(sliding window schemes) TCP protocol details connection  setup and tear down RTT estimates flow control congestion control

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    Specifically, I would like to have knowledge on: 1. Cisco 3925E router with 3 VDSL lines (a) to load balacing b) voip 2. Cisco 6509E a) Update IOS and Module b) Configuration of the local lan for several servers 3. Cisco WS-SBS 3032 (Blade Switch) 4. Cisco WS-SBS 3130G-S (Blade Switch) 5. Cisco ws-c 3560-48PS-S I want someone who can set them up. Thank you

    $295 (Avg Bid)
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    Configure router with OpenWRT 6 days left
    VERIFIED

    Hello, I have a router here with OpenWRT it is running an OpenVPN client on the whole network. I would like to have this split that "cabled" version is on the VPN and the WIFI is in another zone without VPN. Who has experience in this and can help me right now through teamviewer. Deadline ASAP

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    Hi I need someone who can help me setup GNS3 with ASAv. A working topology that i can troubleshoot and implement MPLS vrf into the ASAv which will also have DMZ, Intranet behind inside zones. Should be a good lab for troubleshooting Datacenter/ISP topology.

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    cache server 6 days left

    internet cache server provider

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    i am looking for a programming expert to build a network model to ready for simulation I will send details to interested candidates

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    mail server specialist needed 5 days left
    VERIFIED

    I received some emails from bouncing after some guy is sending spam. I found wierd that in the data sent in the email it is written that my domian name says that the ip it is coming from is authorized. I need someone to check if my settingd are ok and what i nedd to do to fix if need is. attached the top document of the email thx

    $139 (Avg Bid)
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    20 bids
    Internet Technology 5 days left
    VERIFIED

    Packet switching, message switching, circuit switching Calculating tine taken to transfer data  under different switching schemes Application  layer protocols DNS, http, smtp, ftp Reliable protocols(sliding window schemes) TCP protocol details connection  setup and tear down RTT estimates flow control congestion control

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    Here's the project details: You have to perform following tasks: 1. Switches LanA_OSPF, LanB_OSPF, LanC_OSPF, LanA_EIGRP, and LanB_EIGRP should be configured such as: a. Port 1 – Port 12 should be the same vlan (it is up to you to choose any vlan number) b. Port 13 – Port 20 should be the same vlan c. Port 21 – Port 24 should be server vlan 2. 1_ospf, 3_ospf, 5_ospf...

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    I help in designing Adaptive Duty Cycling Scheme for Wireless Sensor Network MAC Protocol using Matlab or NS2/3. Implementation using NS2/3 is Preferred. Contact me. Regards,

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    Looking for network administrator who are familiar with these concepts: Active Directory forest/domain architecture Virtual Machine DNS  DHCP  Organizational Units  Groups  User Accounts Implement one client computer using virtual machine and connect it to the domain. Use two different user accounts from different OU budget: 20$ strict

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    37 bids
    VoIP telephony 5 days left
    VERIFIED

    We have iPECS-100 behind Chekpoint firewall. All customers use soft phones clients. Have periodically experience communication problems. Need a person for a one-time or permanent job

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    well , we need basically bandwith optimization. in client end they have termination gateways, each gateway can carry 30 simultaneous calls. and all gateway under DHCP network . we take a server which run in static IP . all client should send calls to server IP from his SIP server and we need to create separate account for each gateway . and calls should send to specific termination . call should ...

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    Develop a UDP-based client-server socket program for transferring a large message. Here, the message transmitted from the client to server is read from a large file. The message is split into short data-units (DUs) which are sent and acknowledged in alternating batches of size 1 and 2 DUs. The sender sends one DU, waits for an acknowledgment (ACK); sends two DUs, waits for an acknowledgement; and ...

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    I have a OVH server. I have contact support they said like this: The server gets stuck during the boot phase, with the message: (minimal grub console) A restart on the standard OVH kernel ('netboot') does not correct the situation. Actions: Rebooting the server to "rescue" mode (Linux) result: Boot OK. Rescue mode accessible. recommendations: Configuration / error to be corr...

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    Good day, I have an O2 provider in the Czech Republic and have been provided a Comtrend VR-3026e v2 modem/router. I would like to configure the Comtrend to allow passthrough so that all traffic goes directly to my Mikrotik router however I'm not sure on how to set it up in the admin page of the Comtrend router.

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    Looking for a skilled candidate who is a guru in AWS and DevOps toolset. Skills in Terraform, Packer, VMware, and Ansible is required.

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    We need an expert Network Admin who has experience setting up servers for Magento. Web Server in NGINX and we have following services available on our Server: REDIS, MEMCACHED, BEANSTALKD & SUPERVISORD. Looking to fine tune these services to achieve the best optimization to run a Magento website.

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    Upgrade from VMware esxi 6.0 to 6.7

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    19 bids
    Network Programmer Needed 4 days left
    VERIFIED

    Hi, The ideal candidates need to have good grasp of FTP and other protocols and its implementations. I will hire one and work with him on long term basis. The details will be shared to shortlisted candidates. Thanks!

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    I need to install RDP cal for five people to log in at the same time on windows server 2012 r2

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    DDOS attack Monitoring, Analyses, Detection and Defence

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    2 CCNA scenario projects with topologies implementation and subnetting topology need to be done on visio. One is egrip protocol other is ospf i have attached both files replay back so we discuss price.

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    NS3 Project... 4 days left
    VERIFIED

    My project is to schedule the state of different nodes in the wireless sensor network composed of 100 nodes with 13 cluster and 13 cluster head and 1 base station. So I already done the part of clustering, now I want to do the part of scheduling. So there are different states of nodes (receive transmit sleep ), broadcast and boot in different case I have the communication between cluster head and ...

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    Pentest Front 4 days left

    I would a tool developed that does web penetration testing and network threat management. The tool must have a windows and Linux front end with a dashboard and reporting facility.

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    Require Network minitoring engineer who can work for 2years contract remotely. Should have experience in monitoring tools 100 systems

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    Require a detailed presentation on SIEM and its implementation over a campus-wide network(CWN).

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    DISCLAIMER 1: Quickbooks Desktop is hosted on a "server" desktop. I don't have the installation CD. DISCLAIMER 2: Job is at a physical location, Zip Code: 90019. 8 Windows Desktops (Windows7 x 4, Windows10 x 4) 1) I'd like to replace the "server" desktop with an alternate solution. (I don't know where, but it seems old-age) Since the Homegroup is discontinued,...

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    If you are expert in technical writing and technical background feel free to bid here.

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    Equipment involved in the solution: 1. Firewall: USG6370 (2) 2. Core Switches: S6720-54C-EI-48S-AC-85 (2) 3. eSight Networking It is very important to provides a high availability solution meaning double equipment and 10 GB connectivity between them. Attach file with request

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    Contact me if you can do C++, rasbary pi And have knowledge about networking

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    NEED TO USE ALL USERS TO CHANGE THEIR IP AND USE MY IP STATIC (WEBSITES AND ANDROID AND IOS) I HAVE IP STATIC INTERNET I NEED ANY USER DOWNLOAD MY APP ANDROID OR IOS TO CHANGE THEIR IP OF DEVICE TO MY IP STATIC I NEED ANY USER DOWNLOAD MY APP ON HIS PC TO CHANGE HIS IP OF PC TO MY IP STATIC SO I NEED DEVELOP IP CHANGER ANDROID +IOS+ PROGRAM PC BY JAVA OR OTHERS WHAT IS THE REQUIREMENTS AND THE CO...

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    I need some assistance of working through some network routing. It has to be now

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    In this Capstone Project activity, you will demonstrate your ability to: Design and implement an IPv4 VLSM addressing scheme that fulfills the requirements Design and implement an IPv6 VLSM addressing scheme that fulfills the requirements Design, configure, verify, and secure EIGRP for the necessary networks Design, configure and verify PaGP, RapidPVST+, and First Hop Redundancy Create detailed de...

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    IT Network setup 2 days left
    VERIFIED

    Setup small office with network security, Firewall and VPN.

    $72 / hr (Avg Bid)
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    45 bids

    In this Capstone Project activity, you will demonstrate your ability to: Design and implement an IPv4 VLSM addressing scheme that fulfills the requirements Design and implement an IPv6 VLSM addressing scheme that fulfills the requirements Design, configure, verify, and secure EIGRP for the necessary networks Design, configure and verify PaGP, RapidPVST+, and First Hop Redundancy Create detailed de...

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    Cisco IAD config 2 days left

    I would like someone to config a Cisco IAD 2435 for MGCP. I dont want to use Cisco call manager. I can give you remote access to this device for testing.

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    I have two openvpn connections (I'll call them vpn1 and vpn2) open simultaneously in a windows 10 PC connected to two remote servers through tap windows adapters What I am looking for is a java program and the PC configurations necessary to be able to make calls to the same URL through one or another vpn connection. The idea is that you can make a call to a url in one moment through vpn1 an...

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    I am looking for someone who can deal with Networks and make one proposal for me to submit to an office about Networking yearly contract . thanks

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    Hello, I want to create a VPN service that works similar to expressvpn, so the clients can connect to the VPN, etc.

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    Computer science writer 2 days left
    VERIFIED

    I need someone who can do a thesis in computer science specialization in networking .Only apply if you can deliver.

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    I need an expert who can setup and maintain Mailserver which can send arround 2 Million E-Mails per Month. Lets Discuss if you´re able to do that

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    I have an exisiting "Small" Mining Farmand need help to optimise it. - What pool to be used - what Crypto Currency to be mine now and in the future - optimise and automise the Mining Farm

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    As described. Help me install it and stick to the end so the vpn is working and i can connect to the internet through it

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    Need to configure AWS WAF and Shield configuration on platform running with ELB

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    networking IT Expert 2 days left
    VERIFIED

    looking for someone who is expert in Networking IT and can help me thanks

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    Its a private hardware. It is running some linux compilation. i have ssh and telnet access, the web interface its giving me some error when trying to login. Anyone who knows this technology? here the device: [login to view URL]

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    IOT services aws 1 day left
    VERIFIED

    Quick implementation of iot services on aws. Please do not bid if you do not have experience in this field

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    VOIP Project 1 day left

    Signalling work with CISCO CUCM Understanding VOIP - SIP (including Blind and Attended Transfer implementation) - VOIP Call analysis – Wire Shark or similar - Visual Basic Script language - Proprietary Cisco SIP protocol extensions - Cisco CUCM - Call flows of the Attended Call Transfer - Cisco Finesse handling of the Call Transfer Budget as outlined Deadline: 4 weeks

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