Hire the Best Unix System Administrators in Dhaka, BD

I'm a professional Senior Linux Systems Engineer with over 14 years of hands-on experience in managing, securing, and optimizing Linux-based servers and infrastructure. If you're a startup, entrepreneur, web agency, or enterprise looking for rock-solid server performance, automation, and security, you're in the right place. I work closely with clients to build stable, scalable, and secure Linux environments What I Can Help You With: Linux Server Setup & Management: Debian, Ubuntu, CentOS, AlmaLinux, RHEL etc Installation, Disk partitioning, LVM, RAID, system hardening Performance tuning and troubleshooting Web Server Deployment: Apache2, Nginx, PHP-FPM, SSL/TLS, Let's Encrypt Virtual Hosts, Rewrite Rules, Reverse Proxy configuration Mail Server Configuration: Postfix, Dovecot, Zimbra, Roundcube etc SMTP, IMAP, SPF, DKIM, DMARC setup Email deliverability and spam protection DNS & Control Panels: BIND, PowerDNS, DNS record management Webmin, ISPConfig, CyberPanel, Virtualmin, Vestacp etc setups Cloud & DevOps Integration: Infrastructure automation using Bash and Ansible Server provisioning, patching, user/group management, cron jobs Experience with various cloud platforms Cloud server setup and management VPN & Proxy Services: Squid, 3proxy, WireGuard, OpenVPN, Anyconnect, PPTP, Ipsec IP rotation, IPv4/IPv6 support, authentication Monitoring & Logging: Zabbix, Nagios, Grafana, Cacti ELK Stack: Elasticsearch, Logstash, Kibana Virtualization & Containers: KVM, Proxmox, VMware ESXi Docker containers, Docker Compose, orchestration Database & Backup: MySQL/MariaDB setup, optimization, replication, backup & restore Rsync, Rclone, cloud/offsite backup strategies Custom backup scripting and automation If you’re looking for a trusted Linux expert to support or transform your infrastructure, let’s connect and discuss how I can help!

💡I am available as an emergency backup 24/7. I am a professional Server Administrator and Security Specialist with over 8 years of experience. I have extensive knowledge as a ✅ Linux Server Administration (Ubuntu, CentOS, Cloud Linux Server Administration) ✅ Web Developer (PHP, JavaScript, WordPress, WooCommerce, & Shopify) ✅ Web Security (SSL Certificate, Remove Malware/Virus & Secure VPS/Hosting). My primary focus is on Cloud Virtualization, with expert capabilities in the design and deployment of Cloud solutions, including but not limited to the following use cases: ✅ Amazon Web Services (AWS), Google Cloud Platform, Microsoft Azure, Linode, Digital Ocean, Contabo, Vultr ✅ Zendesk, Amazon connect call center solution ✅ cPanel, Plesk, Virtualmin/Webmin, CentOS Web Panel, Vesta Control Panel ✅ Godaddy, Hostgator, Namecheap, Bluehost, Hostinger, ionos, A2 Hosting, Dreamhost ✅ Shopify, Wix, Squarespace, ClickFunnels, WordPress ✅ Amazon Route 53, Amazon Simple Email Service (SES), Cloudflare ✅ Google Workspace, Microsoft 365, Microsoft Exchange, Zoho ✅ Microsoft Active Directory Domain Services, Microsoft Exchange Server, DNS, DHCP ✅ Apache/Nginx, MySQL, Exim, SMTP Relay, Zimbra, Postal mail Server ✅ Domain/Hosting Migration, WordPress installation & configuration, SSL installation ✅ Clean virus/malware 👉 Hosting/Server Expertise ▶️ Strong Linux Background (Ubuntu, CentOS, CloudLinux OS) ▶️ Expert on different VPS provider AWS, G CLoud, DigitalOcean, Linode, Vultr etc. ▶️ Expert on different Hosting provider GoDaddy, Namecheap, Siteground, ionos, Hostgator, Hostinger, Bluehost, JustHost, Dreamhost, InMotion etc. ▶️ Expert on different website builder Shopify, Wix, Squarespace, ClickFunnels ▶️ WHM/cPanel, Plesk, Virtualmin/Webmin, VestaCP, DirectAdmin, & CyberPanel ▶️ Any free or paid control panel installation + Setup ▶️ Malware / Hack / Virus Removal & Server Security expert 👉 cPanel/WHM Expertise ▶️ cPanel and WHM Manager ▶️ cPanel installation and configuration ▶️ Website & Server security ▶️ Manage Linux server on monthly bases ▶️ Hosting/Server Migration 👉 Domain/Hosting/Email Migration Expertise ▶️ Configure DNS A, AAAA, CNAME, TXT, SPF, DKIM, DMARC, MX records ▶️ Domain, Hosting, Website & Email Migration expert without any downtime ▶️ Google Workspace/Gsuite, Office365, cPanel Mail, ProtonMail, Zoho mail transfer along with previous mail data ▶️ Copy/Clone site to a different domain 👉 Security Expertise ▶️ Malware / Hack / Virus Removal and Site Restore ▶️ Manage hosting/server on monthly bases 👉 SSL Expert ▶️ SSL Installation & Configuration ▶️ SEO friendly http to https redirection ▶️ Green Padlock 👉 Mail Server Expertise ▶️ Email Server Setup (Postfix, Exim, Zimbra, Postal mail Server, & SMTP relay) ▶️ Google Workspace, Office365, Zoho setup configuration ▶️ Setting up SPF, DKIM, DMARC & MX records ▶️ Fix email deliverability and server Issue Fix 👉 Call Center Solution ▶️ Amazon Connect ▶️ All configurations like create user, queue, routing profile, quick connect, reports, hours of operation, phone numbers (DID and Tool free) ▶️ Create contact flows as per the customer requirement of any complexity. ▶️ Call back Contact Flow integration ▶️ Reports (Real-time metrics, Historical metrics, Contact Search) for quality analysis ▶️ Call Recording, Logging and Monitoring 👉 Developer Specialization 🔯 Static Website / WordPress / Shopify development 🔯 Core PHP website development 🔯 PHP, MySQL, HTML5 , CSS3 , jQuery, JavaScript 🔯 WordPress website speed optimization 🔯 Malware removal expert, and Security Support 👉 WordPress Core Skills 🔯 Custom WordPress theme development 🔯 Develop Ecommerce website based on WooCommerce 🔯 WordPress optimization to make it faster 🔯 Good Knowledge on Divi, Elementor, WPBakery Page Builder etc. 👉 WordPress Specialization 🔯 Fix WordPress bug 🔯 Fix a hacked WordPress website and make it secure 🔯 Manage WordPress website on a monthly basis 🔯 Upgrade WordPress Core, Themes, and Plugins to Latest Version 🔯 WordPress Backup/Restore 👉 Shopify Theme Development 🔯 Develop Shopify theme from scratch 🔯 Customize existing Shopify theme 🔯 Expert on different website builder Shopify, Wix, Squarespace, ClickFunnels I will greatly appreciate an opportunity to discuss more about your project. Feel free to message me for more idea.

Hi, I'm Mir, a Linux System Administrator and Web Developer with 10+ years of experience building high-performance websites and managing secure, reliable server infrastructure. ## Highlights 🏆 500+ Successful Projects 🏆 10+ Years of Professional Experience 🏆 500+ Five-Star Reviews 🏆 2000+ Upwork Hours Completed 🏆 40+ Verified Skill Badge Certifications I hold 40+ verified skill badge certifications from leading organizations including Google Cloud, IBM, and the Linux Foundation, ensuring up-to-date technical expertise and industry best practices. ⁉️Need a dependable Linux server expert who can keep your infrastructure fast, secure, and online? I specialize in designing, optimizing, securing, and maintaining web servers and websites for businesses worldwide. Whether you need a new server deployment, performance optimization, troubleshooting, security hardening, or ongoing maintenance, I deliver reliable solutions that allow you to focus on growing your business instead of managing technical issues. In addition to server administration, I build SEO-friendly websites and provide complete website management services including monitoring, backups, security, DNS management, and disaster recovery planning. ## Areas of Expertise ### Linux System Administration • Linux Server Administration • Server Hardening and Security • Performance Optimization • Troubleshooting and Issue Resolution • Server Migration and Maintenance ### Web Development • SEO-Friendly Website Development • Website Performance Optimization • Technical SEO Improvements ### DNS and Domain Management • DNS Configuration and Troubleshooting • Custom DNS Records • Domain Transfers and Migration • Email DNS Setup (SPF, DKIM, DMARC) ### Web Hosting and Server Management • Web Hosting Maintenance • Server Deployment and Configuration • Performance Tuning • Infrastructure Optimization • Backup and Recovery Solutions ### WordPress Services • WordPress Development • Website Security and Hardening • Speed Optimization • Malware Cleanup and Recovery • Ongoing Maintenance and Support ### Email Services • Email Deliverability Troubleshooting • Blacklist Removal Assistance • SMTP Configuration • Email Server Setup and Optimization ## Technologies and Platforms ✔ Cloudflare ✔ AWS ✔ Google Cloud Platform (GCP) ✔ DigitalOcean ✔ IBM Cloud ✔ Oracle Cloud ✔ Linode ✔ cPanel ✔ Plesk ✔ Elementor Pro ✔ Google Search Console ✔ SMTP Services ✔ Apache ✔ Nginx ✔ OpenLiteSpeed ✔ RTMP Server Deployment ✔ WireGuard VPN ✔ OpenVPN ✔ And many more technologies and platforms ☎If you're looking for a professional who values reliability, security, performance, and long-term partnerships, I'd be happy to discuss your project requirements and help you find the right solution. 🕑I provide responsive communication, timely delivery, and practical solutions tailored to your business needs. Let's work together to make your project a success.

For expert and experience you should hire me as a system administrator for your valuable projects. I have a great work experience of lunux Debian, Redhat, Fedora, Amazon cloud AWS EC2 server, amazon cloud RDBS, Rackspace cloud server, Digital ocean cloud server, VPN, virtual box, VMware, Linux Quagga router, shell scripting, RedHat virtualization, cloud storage, clustering and openstack. I have also many years practical experience of linux DNS, Proxy, Mail, Virtual web, FTP, VPN, SAMBA, NFS, NTP, Virtual machine, Mysql and many web based application.

Hi, I am Sazedur Rahman, working as a System Engineer for Linux/Unix-like OS Based Systems in a Reputed Financial Organization. I am new to Upwork but have more than five years of profound Experience in Linux/Unix System Administration, Configuration, Server Security and Automation. Completed various Live projects such as Authoritative DNS, DNSsec, Caching DNS, Zimbra Multi-Server Mail Solution, Multiple Web Server using Apache and NGINX, Local Repository for Linux Distributions Like- CentOS/Ubuntu & EPEL/Zimbra/RemiPHP, File Server Integrated with Windows AD for more than 8K Users, IPA Server, NTP Server, Cockpit Server, Secure File Sharing with Next Cloud. Expertise in - Linux Server Configuration- Web, Mail, DNS, Virtual Hosting, Samba, NFS, FTP, HA Cluster, Apache/NGINX with SSL/TLS, Gluster Storage (GFS2), Zimbra Mail Server, Red Hat Satellite, Spacewalk (open-source systems management), Linux System Security - Firewalld, iptables, fail2ban System Automation using- Shell Scripting, Ansible, Python Linux System Penetration Testing using OpenSCAP. Virtualization- vmware, rhev, kvm Kubernetes, Docker, Container Also certified as CCNA, RHCE, RHCVA & RHCA (Red Hat Cert ID: 160-039-582).

I am an Open Source software solution professional and Linux System expertise with over 9+ years of extensive experience. I am also an Information Security professional with over 4 years of diverse Information Security experience; from the evolving enterprise needs of large and complex organizations to the development of large public web properties, and protecting their applications, data and infrastructure from attack. I have good ability to deliver solutions tied to organizational development and systems/network optimization. Ready to start working at your project right now with my skills set – # Operating System - RedHat, CentOs, Ubuntu, Debian, SUSE # Managed Cloud Platform - AWS, Azure, GCP, DigitalOcean, Linode # DevOps - Docker, Ansible, Puppet, Jenkins, CHEF, GIT, Kubernetes, Nagios # Managed VPS - On demand robust server setup # Managed Hosting - cPanel/WHM, Plesk, Webmin, DirectAdmin, GoDaddy, Rackspace, Linode, DigitalOcean, Hosting Setup, Backup & Migration # Web Service & Load Balance - Apache, Apache Tomcat, Nginx, Varnish, PHP-FPM, MemcacheD, phpMyAdmain, HAProxy # Database - MySQL, MariaDB, PostgreSQL # Mail Service - Zimbra, Postfix, Dovecot, Mail in a box, Spamassasin, ClamAV # SSL Certificate - DigiCert, Sectigo, Entrust, Geotrust, Thawte, GlobalSign, RapidSSL, Letsencrypt (install in any platforms) # Linux Administration - IPTables & CSF Host based firewall, Open Source WAF Setup, SSH Service Hardening, SSH Tunnel, File System Management, Rkhunter, Chkrootkits, TCP Wrapper, Fail2ban, PAM, RSync Backup, OS Optimization # Open Source Software - ProFTP, VSFTP, OwnCloud, NextCloud, UrBackup, OTRS Ticket Management, Monitoring Tools (Nagios, Cacti, Zabbix, Munin), GLPI, SugarCRM