System Administrators k zaměstnání

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Zobrazuje 444 výsledků
  • Zaměstnejte uživatele     arifnafees
Zaměstnejte uživatele     arifnafees

    arifnafees arifnafees

    Pakistan $50 USD / hod.
    Solution Archt.| DevOps | Cloud | Infra. Engineer
    Pakistan
    6.4
    80 recenzí 80 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: Cloud Computing ---> AWS (EC2, RDS, VPC, ECS, EKS, S3, EFS, Cloudfront, Elastibeanstalk, etc) Cloud Computing ---> Azure (VM's, Vnet, Scaleset, Function Apps, App Services, CosmosDB, FlexibleDB, AKS, Blob Storage, etc..) Containerization ---> Docker, Docker-compose, Kubernetes DevOps ---> Jenkins, Bitbucket, Github, Terraform, Ansible, Python 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 Website Development ---> Wordpress, PHP, HTML, CSS, Javascript méně
  • Zaměstnejte uživatele arifnafees
  • Zaměstnejte uživatele     mrkimoz
Zaměstnejte uživatele     mrkimoz

    mrkimoz mrkimoz

    Egypt $30 USD / hod.
    System Admin | Cloud | DevOps | Network
    Egypt
    5.7
    109 recenzí 109 recenzí $30 USD za hodinu
    As a seasoned System Administrator with over a decade of experience, I specialize in managing both Linux and Windows operating systems. My expertise is grounded in a robust skill set that spans a broad range of technical responsibilities. Key areas of proficiency include: 1- Cloud Computing: Skilled in AWS Cloud...
    As a seasoned System Administrator with over a decade of experience, I specialize in managing both Linux and Windows operating systems. My expertise is grounded in a robust skill set that spans a broad range of technical responsibilities. Key areas of proficiency include: 1- Cloud Computing: Skilled in AWS Cloud services, such as EC2, RDS, EBS, CDN, AS3, and VPC. 2- Virtualization Technologies: Experienced with a variety of virtualization software including Proxmox, ESXI, Xen, KVM, Virtualbox, and VMWare. 3- Server Management: Proficient in managing Web, FTP, DNS, Database, and Email Servers. 4- Security and Monitoring: Adept in securing PHP, system monitoring, hacking detection, and server cleanups. 5- Control Panels: Knowledgeable in control panels like cPanel/WHM, Plesk, Webmin, Virtuozzo, CWP, CyberPanel, and Vestacp. 6- Network Administration: Expertise in administering networks, including LANs, WANs, and VLANs. 7- Database Management: Competent in MySQL Cluster and Load Balancing. 8- Firewall Management: Skilled in firewalls such as Sophos, Pfsense, and Kerio. 9- Streaming Technologies: Proficient in setting up and managing streaming servers including 10- RTMP, WMSPanel, Nimble, HLS, and FFMPEG. 11- Containerization: Experienced with Docker installation and image setup. 12- VPN and Proxy Solutions: Proficient in configuring and managing VPN networks, including OpenVPN and WireGuard, and proxy servers such as Squid, 3proxy, and HAproxy. méně
  • Zaměstnejte uživatele mrkimoz
  • Zaměstnejte uživatele     ClearPoint
Zaměstnejte uživatele     ClearPoint

    ClearPoint ClearPoint

    United States $75 USD / hod.
    Critical Emergency?TOP RATED + WP/PHP/MySQL/Server
    United States
    4.9
    12 recenzí 12 recenzí $75 USD za hodinu
    Hi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and...
    Hi, Everyone. I am a Top Rated Plus freelancer. Are you in tough times? You've got solution. In the past 15years, as a system admin(linux/windows/apach/nginx expert) experienced in PHP(OOP conceptions), I have been working vast type of challenging tech projects and have been fixing 1800 websits php error free and maintaining client websites. ( ̄︶ ̄)↗  No matter if… ✅ You broke your site due to server issues ✅ If you hired a less experienced developer to work on your site and they broke your site ✅ Something horrible happened and your site is down ✅ Your site was hacked. ✅ Do you want to improve Design and functionalities with your website? ❁´◡`❁ WHY CHOOSE ME OVER OTHER FREELANCERS ?❁´◡`❁ ✅Immediate and perfect solution : I consistently provide immediate and flawless solutions by closely auditing PHP syntax and monitoring server status to stay on top of any issues. ✅Responsibility : I take responsibility for any issues arising from the same reasons, and I provide solutions free of charge to ensure your satisfaction. ✅Responsiveness : I maintain an extremely responsive approach, ensuring instant responses and keeping all lines of communication readily open with clients. ❁´◡`❁ My customers said: -I would definitely hire Adam again & I definitely intend to hire him on future upcoming projects. Adam is no joke with tech ability & knowledge, and really knows his stuff!!! He was very responsive from the moment that I posted my ad for the work I needed. He started right away and hammered it out. I am very happy with the work and time frame that it was completed on the same day. Hire Adam for your tech work if he says he can do it, then trust it will be done correctly, quickly, and efficently. - He was great very knowledgeable in the process and our needs. He was absolutely outstanding!! For sure a great hire for any help you in AWS systems. - Adam is truly a master at fixing any technical Wordpress issues. Multiple pages on my site were not working, he backed my site up so I didn't loose a tremendous investment in my site. He completed the work extremely quickly. I will be using him again for all future projects. Look no further for an honest and professional Wordpress expert. Thank you for reviewing my profile. Adam Levinson méně
  • Zaměstnejte uživatele ClearPoint
  • Zaměstnejte uživatele     dyjibran
Zaměstnejte uživatele     dyjibran

    dyjibran dyjibran

    Pakistan $8 USD / hod.
    ERP|AWS|CCNA|MCSA|CyberSecurity|SIP|Asterisk|
    Pakistan
    3.4
    10 recenzí 10 recenzí $8 USD za hodinu
    "I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design....
    "I'm a highly skilled IT and administrative professional with a strong foundation in Cisco networking as a Cisco Certified CCNA. My expertise extends to various IT domains, including MCSA, ERP software, MS365, Google Sheets,Power BI,Tableau,SharePoint,Email hosting, website development, web hosting, and logo design. I've successfully worked on a wide range of IT projects, from building and maintaining websites to crafting distinctive brand logos. In addition to my technical proficiency, I also possess a deep knowledge of financial management and accounting, making me proficient in total account management and maintenance. My multifaceted skill set allows me to offer a comprehensive range of IT and administrative services, from network setup and system administration to financial analysis and bookkeeping. I am passionate about helping businesses and organizations optimize their operations and IT infrastructure while ensuring financial stability. Let's connect and discuss how I can bring my expertise to support your specific needs." méně
  • Zaměstnejte uživatele dyjibran
  • Zaměstnejte uživatele     Ahmedi89
Zaměstnejte uživatele     Ahmedi89

    Ahmedi89 Ahmedi89

    Egypt $40 USD / hod.
    Devops | Linux systems| Web | DB | Security
    Egypt
    5.8
    61 recenzí 61 recenzí $40 USD za hodinu
    Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment,Backup and lot of skills. let's have a quick chat. Looking forward working with you.
    Hi I'm Ahmed, I'm Redhat certified administrator. I have more than 8 years of experience in Linux Systems, VMware (Virtualization). Web applications, databases. Security, Deployment,Backup and lot of skills. let's have a quick chat. Looking forward working with you. méně
  • Zaměstnejte uživatele Ahmedi89
  • Zaměstnejte uživatele     AZTURK1
Zaměstnejte uživatele     AZTURK1

    AZTURK1 AZTURK1

    Azerbaijan $50 USD / hod.
    Microsoft® Certified System Administrator
    Azerbaijan
    6.3
    124 recenzí 124 recenzí $50 USD za hodinu
    I have 7 years of experience deploying and maintaining the following: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V,...
    I have 7 years of experience deploying and maintaining the following: ✅ Server Operating Systems: Windows Server 2003 to 2022, Ubuntu, Debian, RHEL, CentOS. ✅ Directory service: Active Directory, OpenLDAP. ✅DNS, DHCP: Windows Server DNS, DHCP and Linux DNS, DHCP services. ✅ Virtualization: Microsoft® Hyper-V, VMware Hypervisors (ESXI, vCenter), Proxmox, VirtualBox. ✅ Cloud Computing Platforms: AWS Amazon Web Services, Microsoft®, Google Cloud Platform(GCP). ✅ Self-Hosted Clouds: NextCloud, OwnCloud, Seafile. ✅ File servers: IIS FTP, proftpd, FileZilla FTP Server, SAMBA. ✅ Web servers: IIS, APACHE, NGINX ✅Scripting: PowerShell scripting, Bash Scripting ✅Containers: DOCKER, Windows Subsystem for Linux (WSL). ✅Backup Systems Veaam Backup, Iperius Backup, UrBackup. ✅ Mail servers: POSTFIX, EXIM, Microsoft Exchange 2000 to 2019, QMAIL ,Zimbra ,Mail Enable , SmarterMail, hMail. ✅ Database servers: MySQL, PostgreSQL ✅ Firewalls: Windows firewall,ISA/Forefront TMG, MikroTik, PFSense, Zywall and other Routers; ✅ Data Storage Systems: Netapp, FAS, EMC, VNX; ✅NAS: FreeNAS, TrueNAS ,Synology, QNAP, Buffalo ✅ Monitoring ZABBIX, CACTI, NAGIOS ✅ Hosting Panels: PLESK, cPanel, CyberPanel ✅24 hours availability ✅Unlimited revisions ✅Fast response Microsoft® Certified ** MCSA | MCSE | MCT ** méně
  • Zaměstnejte uživatele AZTURK1
  • Zaměstnejte uživatele     servermaster
Zaměstnejte uživatele     servermaster

    servermaster servermaster

    Estonia $25 USD / hod.
    Professional IT specialist
    Estonia
    6.7
    69 recenzí 69 recenzí $25 USD za hodinu
    About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is...
    About me I have worked over 20 years at IT and telecom companies at following positions: it support, system administrator, applications administrator and monitoring administrator expert. I am "System Administration and IT Infrastructure Services" certified. I follow KISS methods. I understand OSI layer. With me is easy to setup systems. I am not picky about what systems to use but i do have experience what to use. I know following operating systems + distros: debian, ubuntu, gentoo, suse, redhat, centos, rocky linux, almalinux and arch linux, freebsd, netbsd, openbsd, sun solaris plus ms windows servers. I also know following systems: Web servers: Apache, Nginx, Lighttpd, Litespeed, Hiawatha. Javascript: nodejs,npm Java web servers: Tomcat, Jrun, Jboss Proxy systems: Haproxy, Varnish, Squid. DB servers: MySQL (and forks, including MariaDB), PostgreSQL Mail systems: Postfix,exim,dovecot.. and implementing: DKIM, SPF, MX, DMARC. Monitoring systems: Nagios, zabbix, cacti, grafana. SMS: SMSC, Kannel DNS: Bind, Djbdns, Dnsmasq. VPS: Vmware, Hyper-v, Proxmox, bhyve, kvm, xen, openstack.. Containers: docker, lxc, jail, kubernetes Cloud providers: AWS, Digitalocean, Azure.. My knowledge does not stop here. I troubleshoot easily. Let's chat Please see my reviews of my previous works.. PS! With my bid you will get one week free support for work done méně
  • Zaměstnejte uživatele servermaster
  • Zaměstnejte uživatele     bishnudev3
Zaměstnejte uživatele     bishnudev3

    bishnudev3 bishnudev3

    India $18 USD / hod.
    AWS | Azure | Cloud | Linux | Windows Support
    India
    5.4
    64 recenzí 64 recenzí $18 USD za hodinu
    I have versatile experience in setting up and managing servers, optimizing them for the best usage, and fine tuning the security aspects. Core Tools: MVC, OOPs, Core PHP, Javascript, JQuery, JQuery UI, HTML,CSS - PHP Frameworks: Codeigniter, Cake PHP, Yii , Zend, Laravel - CMS Frameworks: Joomla, Wordpress,...
    I have versatile experience in setting up and managing servers, optimizing them for the best usage, and fine tuning the security aspects. Core Tools: MVC, OOPs, Core PHP, Javascript, JQuery, JQuery UI, HTML,CSS - PHP Frameworks: Codeigniter, Cake PHP, Yii , Zend, Laravel - CMS Frameworks: Joomla, Wordpress, Drupal - Shopping Cart Frameworks: Magento, Ebay, ZenCart,Cs Cart, Shopify, BigCommerce - Web Design- Valid HTML/xHTML, PSD to HTML, Logo Design, Web2.0 design, W3C standard, DIV & CSS based table less coding. WEB HOSTING Server Security and Firewall - CSF/maldet. OS Control Panel's - (WHM-Cpanel, CentosWebPanel, VestaCP, Plesk, Virtualmin-webmin) Web Servers - (Nginx/Apache/Lighttpd/LiteSpeed). Cloud Services: Amazon Web Services/Google Cloud, DigitalOccean I can manage Server Migration, SSL Installation, Server Security and Server Monitoring. SMTP Servers: (Postfix, Dovecot, PowerMTA, Mailgun, AWS-SES, Sendgrid) Mailing Applications: Interspire, Mailwizz, PHPMailer, Sendy méně
  • Zaměstnejte uživatele bishnudev3
  • Zaměstnejte uživatele     MRARIFAKRAM
Zaměstnejte uživatele     MRARIFAKRAM

    MRARIFAKRAM MRARIFAKRAM

    Pakistan $50 USD / hod.
    Linux | Windows | pbx | cloud computing
    Pakistan
    5.7
    57 recenzí 57 recenzí $50 USD za hodinu
    I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer...
    I am Muhammad Abdullah , with 8 years of expertise in various fields: I specialize in providing dedicated assistance for both Linux and Windows systems. I am skilled in Blockchain Development, including BTC NODE & GETH. I can configure Apache, Nginx, or other HTTP servers to meet specific requirements. I offer support for WHM, cPanel, Plesk, DirectAdmin, and other control panels. I can handle tasks related to VPS, VDS, VPN, VPC, and subnet setups. I excel at seamless migration from one host to another. I can configure Reverse Proxy for efficient web traffic management. I have expertise in Load Balancing for applications and websites. I can resolve PHP-related issues and extend its functionality through various extensions. I am experienced with Java Web Server (Apache Tomcat) setup and maintenance. I can assist with IIS configuration and optimization. I have extensive knowledge in debugging Ubuntu, Debian, or Debian-based operating systems. I can troubleshoot CentOS-related issues. méně
  • Zaměstnejte uživatele MRARIFAKRAM
  • Zaměstnejte uživatele     netonepk
Zaměstnejte uživatele     netonepk

    netonepk netonepk

    Pakistan $40 USD / hod.
    DevOps/System/Network Admin and Security Expert
    Pakistan
    5.9
    69 recenzí 69 recenzí $40 USD za hodinu
    A dynamic IT professional with a multifaceted skill set spanning DevOps, System Administration, Network Administration, and Network Security. Proven experience in orchestrating end-to-end deployment pipelines, streamlining operations, and ensuring system reliability through effective DevOps practices. Expertise in...
    A dynamic IT professional with a multifaceted skill set spanning DevOps, System Administration, Network Administration, and Network Security. Proven experience in orchestrating end-to-end deployment pipelines, streamlining operations, and ensuring system reliability through effective DevOps practices. Expertise in configuring, maintaining, and optimizing diverse IT infrastructures, demonstrating proficiency in both Windows and Linux environments. Adept at designing and managing robust networks, implementing security protocols, and conducting regular assessments to safeguard against potential threats. Skilled in automating routine tasks, enhancing scalability, and fostering seamless collaboration between development and operations teams. Committed to staying at the forefront of emerging technologies, I bring a holistic approach to IT management, ensuring the alignment of systems, networks, and security measures with organizational goals. Known for problem-solving acumen, adaptability, and a proactive approach to maintaining a secure, high-performance IT environment. Hand-On experience includes. o Server Virtualization, SIEM, NMS, Mail Server, Proxy Server, DHCP Server, Database Server, Antivirus Server, WSUS Server, Domain Controller, DNS Server, WIN Server, File and Print Server, FTP Server, Web Server, VPN Concentrator, Linux firewall, Remote Server Management, Script Installation, WHM/CPanel, Plesk , WordPress Joomla CMS etc. o System and Network Security, Vulnerability Assessment , Malware Removal o Preparation of network specifications by conferring with users; analyzing workflow, access information, and security requirements. o IP Address Space planning, management and optimized utilization using VLSM and NATing o Installation and Configuration of Routers, Switches, IPS/IDS, ASA Firewalls, AAA Server and Access Points. (800, 2600, 3700, 6500 series routers, 2900 series switches, 1200, 1300, 1400 series Access point méně
  • Zaměstnejte uživatele netonepk

, zde je několik offline freelancerů

, zde je několik offline freelancerů odpovídající ""