System Administrators k zaměstnání

  • Systémový administrátor
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Zobrazuje 365 výsledků
  • Zaměstnejte uživatele     bindmission
Zaměstnejte uživatele     bindmission

    bindmission bindmission

    India $40 USD / hod.
    ⭐Linux⭐Top 1% in the Freelancer.com⭐Cloud Support⭐
    India
    7.0
    307 recenzí 307 recenzí $40 USD za hodinu
    I have 9 years of experience in Linux server management which includes Monitoring, Security, and Optimization. I can handle installation of applications on Linux. I do web hosting support, Website migration and Automation on server platform. I can handle cloud platform setup and Network management. I'm an expert in...
    I have 9 years of experience in Linux server management which includes Monitoring, Security, and Optimization. I can handle installation of applications on Linux. I do web hosting support, Website migration and Automation on server platform. I can handle cloud platform setup and Network management. I'm an expert in Website and e-mail Migration. I also have experience on VMware. Cloud Services: Amazon web services (AWS) , Gcloud , Digitalocean , Scaleway , Azure , Rackspace , Linode etc... My areas of expertise are: Linux, FreeBSD, Windows, Asterisk, FreePBX, NFS, CIFS, VMware, Xen, LVM, Apache, Nginx, Tomcat, Zimbra, Qmail, Sendmail, Postfix, Exim, LVM in Linux, Jabber, Openfire, FTP, Bind, PowerDNS, Pfsense, IPtables, Zabbix, Nagios, MysQL, LDAP, SquidFreeNAS, IPSEC, OpenVPN, PPTP, L2TP TECHNICAL SKILLS Operating systems: Linux, Windows Protocols: TCP/IP, FTP, DHCP, HTTP, SMTP, POP, IMAP Application/Web Servers: Apache, Nginx, Litespeed Mail Servers: Postfix, exim, sentmail, zimbra, iredmail méně
  • Zaměstnejte uživatele bindmission
  • Zaměstnejte uživatele     arifnafees
Zaměstnejte uživatele     arifnafees

    arifnafees arifnafees

    Pakistan $50 USD / hod.
    IT Professional /Solution Archt. /System Engineer
    Pakistan
    5.6
    41 recenzí 41 recenzí $50 USD za hodinu
    After getting nine years of experience in system and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on...
    After getting nine years of experience in system and IT administration along with multiple certifications, I am confident enough for providing you a perfect solution to your technical issues and projects from starting to the completion. I would be available on daily basis as required and full time available on weekends. Having a flexible and friendly nature, you would find me very cooperative and dedicated to your work. I am proficient in the following areas: Virtualization ---Vmware Vsphere High Availability & Disaster Recovery ---Veeam Backup & Replication Windows Server ---Active Directory, File Services, WDS Mail Server, Database Server ---Exchange, Mdaemon VOIP --- Elastix, Freepbx Cloud Computing ---AWS, EC2, RDS, VPC, ECS, S3, EFS, Cloudfront, Elastibeanstalk Website Development ----Wordpress, PHP, HTML, CSS, Javascript méně
  • Zaměstnejte uživatele arifnafees
  • Zaměstnejte uživatele     MaTGaPa
Zaměstnejte uživatele     MaTGaPa

    MaTGaPa MaTGaPa

    Argentina $25 USD / hod.
    Network Administrator
    Argentina
    5.4
    123 recenzí 123 recenzí $25 USD za hodinu
    I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP...
    I started with BeOS in 2002, because of a friend, who showed me something other than Windows, Always I worked repair PC & Laptops. Now I have more 10 years of experience in Server Linux. I can manager servers dedicated, servesr VPS, servers shared, etc. Setup and management you server; Apache/Nginx/Tomcat. SMTP Postfix, POP/IMAP Dovecot. FTP Vsftpd, Proftpd, Pure-ftpd-mysql. Dns Bind9, dnsmasq. File Server & printer Samba (dc-ac). Network administrator: isc-server-dhcp, openvpn, etc. Install and renew SSL certicate. All services on cloud; AWS, Azure, etc. Also website and E-mail migrations. ALL panels and web managers. Management all Linux distributions. Setup, security and optimization your server. méně
  • Zaměstnejte uživatele MaTGaPa
  • Zaměstnejte uživatele     Netfreehost
Zaměstnejte uživatele     Netfreehost

    Netfreehost Netfreehost

    India $40 USD / hod.
    Linux, Ubuntu, AWS, Google Cloud, PHP Expert
    India
    7.5
    956 recenzí 956 recenzí $40 USD za hodinu
    I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker/RancherOS *...
    I have 20 years of experience in web hosting, managing RHEL, CentOS, CloudLinux, Ubuntu, Debian, FreeBSD, and Windows Servers. * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Azure/Amazon AWS/Google Cloud * Nginx/Apache/Lighttpd/LiteSpeed * VPS - OpenVZ/KVM/Xen/Hyper-V/SolusVM/ProxMox * Docker/RancherOS * Linux/Cpanel Server Setup * Server Security - csf/maldet * PHP - Script Installation/Custom coding/Laravel * Ffmpeg/Youtube Clone installation * WHMCS Installation * Windows server setup Listed on FreeLancer Security Hall Of Fame - @serverokin https://www.freelancer.com/about/security/hall-of-fame See the list of Google Cloud Training Completed at https://google.qwiklabs.com/public_profiles/5247bb84-bbd2-440b-85c0-06633c879908 You can hire me by clicking on the "Hire Me" button on my profile page or using the following link https://www.freelancer.com/hireme/NetFreeHost I will be online from UTC/GMT 03:00 to 07:00 and 16:30 to 20:30. méně
  • Zaměstnejte uživatele Netfreehost
  • Zaměstnejte uživatele     mvaqasuddin
Zaměstnejte uživatele     mvaqasuddin

    mvaqasuddin mvaqasuddin

    Pakistan $15 USD / hod.
    PHP, Flutter App Specialist | Seasoned DevOps Dev
    Pakistan
    4.6
    15 recenzí 15 recenzí $15 USD za hodinu
    Hi, I’m a Mobile App & Web Developer with over 400 projects under my belt here on Freelancer. I have many different skills and capabilities that translate directly into top-tier product development. I offer a number of services, including: - App Development - iOS/Android/Flutter - Web Application - ...
    Hi, I’m a Mobile App & Web Developer with over 400 projects under my belt here on Freelancer. I have many different skills and capabilities that translate directly into top-tier product development. I offer a number of services, including: - App Development - iOS/Android/Flutter - Web Application - PHP/CodeIgniter/Laravel - DevOps - Troubleshooting - Git Implementation - Databases, Payment Gateways, Etc. My services list could go on and on, but I don’t want to waste too much of your time with a long read-through. Instead, I want you to reach out! Having worked with so many clients, I’ve learned how to talk with newcomers in a way where we can build a rapport while getting right down to brass tax. So please, let me know what kind of development work you need! I am available 18 hours a day, and will always respond as soon as possible to any question, request, or inquiry. Thanks! méně
  • Zaměstnejte uživatele mvaqasuddin
  • Zaměstnejte uživatele     RafimKs
Zaměstnejte uživatele     RafimKs

    RafimKs RafimKs

    India $40 USD / hod.
    Expert System, Network & VOIP Administrator
    India
    6.7
    146 recenzí 146 recenzí $40 USD za hodinu
    Top 1% in the Freelancer.com Community. I am excited to offer 13 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your...
    Top 1% in the Freelancer.com Community. I am excited to offer 13 years of solid experience in Physical & Virtual Server & Networking Platforms, System Administration, Network Administration,Managing Telecommunications Networks and Technical Strategy. Below are a few of my strong assets for your business: - Microsoft(Active Directory, DNS,DHCP, RDS,SQL Server(DB Admin),SharePoint, - Hyper-V, Exchange(All Versions &O365)Azure) - VMWare (ESXi, VCenter) - Citrix (XenApp, XenCenter) - Antivirus(Symantec(SEP),Mcafee(EPO),Kaspersky) - Linux (Ubuntu, CentOS,Debian) - Cloud(MS Azure,AMAZON AWS ,Google GCP,OVH and Digital Ocean) - Storage(Synology,QNAP,FreeNAS,WD,Dell and HP) - VOIP ( Avaya,3CX,Yeastar,XCally,GrandStream & FreePBX) - Firewalls (Fortinet, Sonicwall, Sophos, ASA,WatchGuard&PFSense) - Wireless(Cisco,Unify,Grandstream,Fortigate) - Routers (Cisco, Ubiquiti) - Servers (HP Proliant Servers) & (Dell/EMC Servers) I am happily available anytime using secure remote support or walk you through the steps via Freelancer chat .I am looking to show each client my worth to build a long relationship. Get started by clicking on "Hire Me" méně
  • Zaměstnejte uživatele RafimKs
  • Zaměstnejte uživatele     usmans4
Zaměstnejte uživatele     usmans4

    usmans4 usmans4

    Pakistan $20 USD / hod.
    Network | Systems | Cloud | Virtualization support
    Pakistan
    5.8
    30 recenzí 30 recenzí $20 USD za hodinu
    Hello i am a Network/ Systems/ Security professional with 15 years of hands on experience. I have multiple domain experience. AWS Workspaces and Active Directory Azure Virtual Desktop Environment Mikrotik Hotspot Gsuite Workspace Azure VPN AWS Console AWS VPN Migration of emails UBNT ubiquiti...
    Hello i am a Network/ Systems/ Security professional with 15 years of hands on experience. I have multiple domain experience. AWS Workspaces and Active Directory Azure Virtual Desktop Environment Mikrotik Hotspot Gsuite Workspace Azure VPN AWS Console AWS VPN Migration of emails UBNT ubiquiti devices Azure Cloud services VPN services any Windows servers complete DHCP, DNS, Active Directory, additional active directory. Hyper V Vmware Certified hands on experience expert SSL configuraiton Fortigate firewall cisco network swithces, routers, firewall Network Diagram's Network Assessment Infrastructure High level diagram cloud and physical Password reset services for windows servers Google Suite AWS Office 365 certified expert with hands on experience (Microsoft Expert) Cyber Security expertise Port Forwarding. Access your application as you are in office support. Remote O.S. installation support NAS/SAN support all type. Backup software VEEAM etc. support Microsoft Exchange deployment and troubleshooting Microsoft SQL troubleshooting Above skill set is result of my passion. I am passionate to complete my work on time. Technical support is my hobby. I will try to provide best possible standards and support. Thank You. More info about my expertise is below: Cisco routing and switching Mikrotik routing and switching Exchange/ active directory migrations Fortigate configuration Unifi switches and wifi Brocade switches Barracuda Load Balancer Microsoft all technologies Online desktop support Networking System engineering Windows Servers Exchange Server DNS DHCP DHCP Failover Azure Google Cloud Alibaba Cloud Vmware, vcenter, high availability Microsoft Certified: Azure Solutions Architect Expert June 23, 2020 Certification Number : H442-8331 Microsoft Certified: Azure Administrator Associate June 07, 2020 Certification Number : H432-2941 Microsoft Certified: Azure Fundamentals May 27, 2020 Certification Number : H424-6948 Microsoft® Certified Solutions Expert: Productivity (Charter)* September 26, 2016 Certification Number : F811-5928 Microsoft® Certified Solutions Expert: Messaging December 14, 2014 Certification Number : F113-2041 Microsoft® Certified Solutions Associate: Office 365 December 03, 2014 Certification Number : F084-6675 Microsoft Specialist: Server Virtualization with Windows Server Hyper-V and System Center February 03, 2014 Certification Number : E573-4804 Microsoft Certified Professional: Microsoft Certified Professional February 03, 2014 Certification Number : E573-4803 AWS Certified Solutions Architect - Associate méně
  • Zaměstnejte uživatele usmans4
  • Zaměstnejte uživatele     peterdegn
Zaměstnejte uživatele     peterdegn

    peterdegn peterdegn

    Turkey $35 USD / hod.
    Server / Network / security architect
    Turkey
    5.7
    31 recenzí 31 recenzí $35 USD za hodinu
    I have 15 years of experience in Linux server management which includes Security, and Optimization. I can handle installation of applications on Linux. I do web hosting and support, Website migration My areas of expertise are: Virtule OS systems: VMware, Xen Application/Web Servers: Apache, Nginx, FTP, Mysql,...
    I have 15 years of experience in Linux server management which includes Security, and Optimization. I can handle installation of applications on Linux. I do web hosting and support, Website migration My areas of expertise are: Virtule OS systems: VMware, Xen Application/Web Servers: Apache, Nginx, FTP, Mysql, PowerDNS, Bind,Cache servers Mail Servers: Postfix, exim, sentmail, zimbra, iredmail, Qmail Security Matter: Pfsense, IPtables, Honeypot, IPSEC, AI firewalls, Test of systems for Dark holes , proxy TECHNICAL SKILLS OS systems: Linux Protocols: TCP/IP, IMAP, FTP, DHCP, HTTP, SMTP, POP/3 Big enterprise setup, Nodes/loadbalance for end clients there can take all from 6.2m connects pr min and bigger contact me and let me hear your needs. méně
  • Zaměstnejte uživatele peterdegn
  • Zaměstnejte uživatele     wmtoolsnet
Zaměstnejte uživatele     wmtoolsnet

    wmtoolsnet wmtoolsnet

    Ukraine $30 USD / hod.
    Linux administration/Email/Database/Security/Speed
    Ukraine
    7.0
    228 recenzí 228 recenzí $30 USD za hodinu
    How can I help you: 1. Server maintenance. Configuring. Optimization. Installation. Cleaning; 2. Antiviral works. Malware detection and cleaning. Server protection and securing; 3. Migration. From server to server. From hosting to hosting; 4. Monitoring. I'm providing really professional monthly-basis monitoring...
    How can I help you: 1. Server maintenance. Configuring. Optimization. Installation. Cleaning; 2. Antiviral works. Malware detection and cleaning. Server protection and securing; 3. Migration. From server to server. From hosting to hosting; 4. Monitoring. I'm providing really professional monthly-basis monitoring using my own monitoring tools which allow me see server health 24 hours a day and receive notifications if server or website is bad. Additionally, my tool can perform malware scanning almost in realtime, and warn me if malware is found. Refer to my portfolio to see how it looks. Reputation - is above of everything else! méně
  • Zaměstnejte uživatele wmtoolsnet
  • Zaměstnejte uživatele     NinjaWebCorp
Zaměstnejte uživatele     NinjaWebCorp

    NinjaWebCorp NinjaWebCorp

    El Salvador $50 USD / hod.
    WORDPRESS | E-COMMERCE | SERVER DEVOPS
    El Salvador
    5.6
    19 recenzí 19 recenzí $50 USD za hodinu
    Do you need to get an urgent job done? We are your Ninjas! We do applications development, web hosting, social media and computer consulting. We seek to provide quality, professionalism and creativity to our clients and we are always willing to satisfy them 100%. Also, we focus on delivering to the right...
    Do you need to get an urgent job done? We are your Ninjas! We do applications development, web hosting, social media and computer consulting. We seek to provide quality, professionalism and creativity to our clients and we are always willing to satisfy them 100%. Also, we focus on delivering to the right timescales and at a cost that will fit with our client's budget. We focus and try to search the best solutions for your projects/issues. On the other hand, you must know that we have worked and completed projects with CSS, HTML, Web Design, Drupal, Database, Joomla, PHP,MySQL, Magento, Javascript,Prestashop, Moodle, Hosting web, Install and config templates, Migrations and Upgrades, Web Designing, Logo designing, etc. Contact us and you will have the business success you've always wanted. We won't disappoint you. méně
  • Zaměstnejte uživatele NinjaWebCorp

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, zde je několik offline freelancerů odpovídající ""