I am a Linux & Windows System Administrator and DevOps Engineer with over 8 years of experience, specializing in server management, automation, and cloud infrastructure. I help businesses maintain secure, high-performance, and scalable IT environments.
My expertise includes:
✔ Linux & Windows Server Administration:
Linux: Debian, CentOS, Ubuntu, RHEL – maintenance, troubleshooting, and optimization.
Windows Server: Active Directory, Group Policy, IIS, Remote Desktop Services, DNS, DHCP, and PowerShell automation.
✔ DevOps & Automation:
CI/CD pipelines, Ansible, Docker, Kubernetes, Terraform, Jenkins, and GitLab CI/CD.
✔ Cloud & Virtualization:
AWS, Google Cloud, DigitalOcean, Azure, VMware, and KVM-based solutions.
✔ Web Servers & Performance Tuning:
Apache, Nginx (with PHP-FPM/FastCGI), MySQL, Varnish, Memcached.
✔ Odoo ERP:
Deployment, configuration, maintenance, and troubleshooting.
✔ Networking & Security:
iptables, rsync, BIND, OpenVPN, Windows Firewall, network troubleshooting.
✔ Email Servers & Deliverability:
Exim, Dovecot, Postfix, Microsoft Exchange, MailEnable – setup and troubleshooting.
✔ Backup & Migration:
Secure and seamless server, database, and email migration.
✔ Control Panels:
WHM/cPanel, Virtualmin, Plesk – installation and management.
✔ Monitoring & Logging:
Zabbix, Munin, Nagios, ELK Stack (Elasticsearch, Logstash, Kibana), Windows Event Viewer.
✔ Lost Data Recovery:
Helping recover critical data from both Linux & Windows environments.
I am committed to providing secure, efficient, and scalable solutions for businesses. If you need assistance with server management, DevOps automation, Windows/Linux support, or performance optimization, feel free to reach out!
System Administration
NGINX
Microsoft Windows
Linux
PHP
Troubleshooting
Twilio API
Linux System Administration
SMTP
Odoo
Bash Programming
MySQL
Web Hosting
Data Recovery
Virtualization
Mir A.
Dhaka, Bangladesh
$35/hr
4.9
769 jobs
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.
WordPress
Linux System Administration
Troubleshooting
Web Hosting
Website Maintenance
DNS
NGINX
Cloudflare
Virtual Private Server
Web Development
Web Server
Virtual Machine
Cloud Computing
Linux
Technical Support
Mostafizur R.
Dhaka, Bangladesh
$20/hr
5.0
58 jobs
💡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.
Ubuntu
CentOS
Google Cloud Platform
DNS
Amazon Web Services
Amazon Lightsail
Amazon EC2
Amazon RDS
DigitalOcean
MariaDB
MySQL
cPanel
SSL Certificate
SMTP
Ecommerce Website
Mahedi H.
Dhaka, Bangladesh
$30/hr
4.9
31 jobs
Hello! I am a highly skilled Linux Systems Administrator with over a decade of experience in managing various permanent and project-based organizations. Throughout my career, I have excelled in implementing and maintaining robust infrastructure and applications. I provide comprehensive assistance in configuring and resolving issues with your Linux system, catering to all your hosting, mail, web, DevOps, and cloud needs.
My Services:
Linux System Configuration for Hosting: I'll meticulously configure your Linux system for robust hosting environments, including web servers, database servers, and essential services. Expect optimal performance, enhanced security, and seamless scalability.
Mail Server Configuration: Rely on my expertise to set up and configure mail servers on your Linux system using popular mail transfer agents (MTAs) like Postfix, Exim, and Sendmail. I'll streamline your email system with domain-based routing, effective spam filtering, and DKIM/SPF/DMARC authentication.
Web Server Configuration: I specialize in configuring renowned web servers (Apache, Nginx, LiteSpeed) on your Linux system. Enjoy optimal performance, robust security, and unwavering reliability for your web server.
Troubleshooting and Debugging: Count on my swift expertise to diagnose and resolve Linux system issues related to hosting, mail, web, DevOps, or cloud operations. I possess the necessary tools and proficiency to effectively troubleshoot and debug your Linux system, addressing software conflicts and performance concerns.
Security Hardening: I will implement best practices for securing your Linux system, including user accounts, firewalls, patches, and other security measures.
Performance Optimization: I will fine-tune settings, optimize services, and identify performance bottlenecks to improve system performance.
Custom Linux Solutions: I can create custom solutions tailored to your specific requirements.
DevOps Configuration: Seamlessly integrate DevOps tools and practices into your Linux system. I'll configure version control systems (e.g., Git), establish CI/CD pipelines, enable containerization with Docker, and orchestrate operations using cutting-edge tools like Kubernetes.
Cloud Configuration: Entrust me with configuring your Linux system for cloud environments (AWS, Azure, GCP, etc.). I'll expertly set up virtual machines, networking, storage, and other crucial cloud services, ensuring flawless application operation in the cloud.
Why Choose Me?
- 15 years of experience in Linux system administration.
- In-depth knowledge of various Linux distributions.
- Quick and efficient troubleshooting skills.
- Strong commitment to security best practices
Don't let Linux system configuration and troubleshooting for hosting, mail, web, DevOps, and cloud operations hinder your progress. Allow me to handle it for you! Get in touch now to discuss your Linux system needs and experience seamless operation in your hosting, mail, web, DevOps, or cloud environment.
Windows Server
DNS
NGINX
Office 365
Website Migration
Web Server
Backup & Migration
Linux System Administration
Docker
Proxmox VE
Google Workspace Administration
PfSense
Web Application Firewall
Grafana
Prometheus
Md Murshed A.
Dhaka, Bangladesh
$15/hr
5.0
21 jobs
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!
DNS
Linux
MySQL
DevOps
Linux System Administration
Squid
Zabbix
Virtualization
SSL
Mail Server Implementation
ELK Stack
VPN
Proxmox VE
Let's Encrypt
NGINX
Web Hosting
Migration
cPanel
Hosting Setup
Apache HTTP Server
Jakia Ferdous T.
Cox's Bazar, Bangladesh
$10/hr
4.7
8 jobs
Hello! I'm Jakia Ferdous, a Linux Server Expert with extensive experience in configuring, optimizing, and securing servers for businesses of all sizes. I specialize in delivering tailored server solutions that enhance performance, ensure robust security, and maximize uptime.
With a strong background in:
⦿ Server Setup & Configuration (Ubuntu, CentOS, Debian)
⦿ Web Hosting & cPanel Management
⦿ Cloud Platforms (AWS, Google Cloud, DigitalOcean, Linode)
⦿ SSL Installation and Configuration
⦿ Server Security Hardening & Malware Removal
⦿ Troubleshooting & Performance Tuning
I take pride in providing reliable and scalable server infrastructures that support your business goals. Whether you're looking to migrate to a new server, resolve complex issues, or optimize performance, I am here to help.
Let’s collaborate to make your server operations seamless and stress-free. Your satisfaction and data security are my top priorities.
📌 Contact me today to discuss your project needs!
Network Administration
Linux System Administration
Server
WordPress
NGINX
Linux
Bug Fix
SSL Certificate
Ubuntu
CentOS
Debian
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