Dovecot Experts For Hire
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Sponsored Freelancers
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Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed *...Dear Customer, I am David from Venezuela. I have been working as Sysadmin for more than 30 years as of now in many different small and big companies. My skillset is: * Linux - Ubuntu/Debian/CentOS/RHEL/Fedora/FreeBSD * Pfsense/OPNsense/Iptables * Active Directory Windows and Linux * Nginx/Apache/Lighttpd/LiteSpeed * Mail Servers : Postfix, dovecot, Zimbra, Carbonio * DNS Servers * VPS - OpenVZ/KVM/Xen/Hyper-V/Docker/Kubernetes * Proxmox * Linux/Cpanel/Plesk/Hestia/Webmin Server Setup * Linux server setup * Windows server setup less
Hire osolight
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Linux Engineer and Full stack dev Ubuntu Centos Kali linux Debian Rocky Linux Reactjs Nodejs Web developmentLinux Engineer and Full stack dev Ubuntu Centos Kali linux Debian Rocky Linux Reactjs Nodejs Web development less
Hire SairaArifM
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PROFESSIONAL SUMMARY: --- - Familiar with network TCP/IP principles, design, planning, construction delivery, and continuous optimization of IDC data center, campus network, and office network architecture, more than ten years of domestic and overseas project experience - Familiar with all kinds of mainstream...PROFESSIONAL SUMMARY: --- - Familiar with network TCP/IP principles, design, planning, construction delivery, and continuous optimization of IDC data center, campus network, and office network architecture, more than ten years of domestic and overseas project experience - Familiar with all kinds of mainstream switches, routers, firewalls, and Internet behavior management, such as Huawei, Cisco, Juniper, H3C, Palo Alto, Sangfor, etc. Can configure and tune such as MPLS VPN, SDWAN, VXLAN, SPINE-LEAF, VXLAN, EVPN, NAT, STP, etc., know how to use Wireshark, Zabbix, mtr, network fault analysis, etc. - Familiar with some non-mainstream and open source network operating systems, such as Vyos, RouterOS, Mikrotik soft router configuration and tuning - Familiar with various network protocols, such as TCP/IP, familiar with the ISO 7-layer network protocol, various routing protocols, such as BGP, OSPF, RIP - Familiar with Linux operating system, can configure and tune Centos, Ubuntu, Red Hat and other Linux operating systems - Familiar with container orchestration such as Docker/k8s, container network flannel, Calico BGP, cloud computing VPC planning, virtualization KVM, Vmware, Nginx, Python, Shell, Linux system operation and maintenance technology, Windows Server - Familiar with Python/Shell, can independently develop operation and maintenance tools, connect to API, and submit operation and maintenance efficiency - Have rich experience in network application and system integration project implementation, can provide one-stop network architecture, network application, network information security solutions - Hold Cisco CCNP, intermediate supervision certificate (equivalent to PMP) - Fluent in Mandarin, Cantonese, and English, good English reading and writing skills SKILLS: --- Switch, Router, firewall, IPSecVPN, BGP, OSPF routing protocol, Vxlan, Cisco, Huawei, Juniper, Linux/Shell programming, Centos, Ubuntu, Python programming, KVM/VMware virtualization, Windows Server, container Docker, K8s, cloud computing, load balancing, LVS load balancing, EDR, security scanning, network troubleshooting, and troubleshooting, iperf3, hping3, telnet, mtr, traceroute less
Hire gbcbooks
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armanmohammad armanmohammad
$15 USD / hour
Server Admin ⭐ PHP Expert ⭐ Security SpecialistBangladesh⭐Your Trusted Partner for Secure, Optimized, and Scalable Server Solutions ⭐ Hi, I’m Mohammad A., a seasoned Linux Server Administrator, Troubleshooting Specialist, and Security Expert with over a decade of experience delivering top-notch server solutions. I specialize in creating secure, high-performance hosting...⭐Your Trusted Partner for Secure, Optimized, and Scalable Server Solutions ⭐ Hi, I’m Mohammad A., a seasoned Linux Server Administrator, Troubleshooting Specialist, and Security Expert with over a decade of experience delivering top-notch server solutions. I specialize in creating secure, high-performance hosting environments and solving complex server issues with precision. What I Bring to the Table ✨ Linux Server Administration: Mastery in setting up, optimizing, and troubleshooting LAMP/LEMP stacks to ensure maximum performance, reliability, and uptime. ✨ Server Security: Advanced expertise in malware removal, firewall configuration, server hardening, and proactive threat mitigation to keep your systems safe. ✨ Cloud Solutions: Extensive experience managing AWS services, including EC2, S3, Route 53, RDS, and building scalable cloud infrastructures. ✨ Control Panel Management: Proficiency in cPanel, WHM, Plesk, CyberPanel, and other control panels for seamless and efficient server management. ✨ Website Migrations: Successfully migrated over 500+ websites with zero downtime, ensuring data integrity and smooth transitions. ✨ Customized Solutions: Expertise in tailoring server configurations to handle high-traffic environments and resource-heavy applications, ensuring optimal performance. Why Work with Me? ✨ Client-Centric Approach: I take the time to understand your unique challenges, crafting solutions tailored to your specific needs. ✨ 24/7 Availability: Server issues don’t wait, and neither do I. Count on me for prompt, reliable support at any hour. ✨ Proven Track Record: With over 100+ 5-star reviews from satisfied clients, I consistently deliver results that exceed expectations. How Can I Help You? ✔ Fix server issues, troubleshoot errors, and boost performance. ✔ Set up secure, high-performing servers tailored to your business goals. ✔ Protect your servers from malware, vulnerabilities, and other threats. ✔ Migrate websites seamlessly, ensuring zero downtime and flawless execution. Let’s Work Together! Whether you’re a small business, an agency, or an enterprise, I’ll help you build a robust and reliable hosting environment that meets your goals. Together, we’ll ensure your systems run smoothly, securely, and efficiently. Ready to get started? Contact me today, and let’s create server solutions that elevate your business to the next level! less
Hire armanmohammad
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With two decades of hands-on experience in Linux environments and a specialization in Debian-based systems, I offer expert consulting services aimed at enhancing operational efficiency, securing systems, and ensuring your IT infrastructure adheres to the highest standards of reliability. Core Consulting Services: *...With two decades of hands-on experience in Linux environments and a specialization in Debian-based systems, I offer expert consulting services aimed at enhancing operational efficiency, securing systems, and ensuring your IT infrastructure adheres to the highest standards of reliability. Core Consulting Services: * System/Server Administration: Manage critical infrastructure across global deployments, with proven experience serving Fortune 500 companies across North America, Asia, and Europe. * VoIP Solutions: Design and implement custom Asterisk-based systems, including cutting-edge integrations with AI/ML services for text-to-speech, speech-to-text, and large language models. * API Integration & Backend Development: Create robust backend systems integrating modern cloud services like Twilio for SMS/email gateway functionality, custom AGI scripts, and advanced telephony solutions. * Remote Infrastructure Management: Provide expert remote administration across multiple time zones, with experience managing systems in the US, China, Japan, the Netherlands, and Australia. Specialized Expertise: * Global Systems Architecture: Design and implement solutions that work across international boundaries, considering regional compliance requirements and technical constraints. * Modern VoIP Integration: Develop custom telephony solutions that leverage artificial intelligence and machine learning capabilities, bridging traditional VoIP systems with next-generation technologies. * Cross-Platform Communication: Build reliable backend systems that integrate multiple communication channels (voice, SMS, MMS) with enterprise-grade reliability. * Time-Zone Optimized Operations: Maintain high system availability across multiple time zones with proven experience in 24/7 global operations. Get in Touch Elevate your systems and security with expert guidance. Contact me for a detailed consultation and discover how your business can benefit from my specialized expertise. less
Hire cybiko123
