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Nikunja-2, Dhaka, Bangladesh

Hi, I'm Naeem Sheikh.

I'm a building high-performance infrastructure and backend systems.

Linux System Administrator and Golang Developer with 5+ years of experience building high-performance infrastructure and scalable backend systems.

Get in touch View projects
5+
Years Linux
3+
Years Golang
6+
Projects
500+
Servers Managed

About

Linux System Administrator & Golang Developer

Senior Linux System Administrator with 5+ years of hands-on experience in managing high-availability infrastructure and enterprise-level hosting environments. Specialized in CloudLinux/CentOS administration, LiteSpeed optimization, and building robust automation tools using Golang and Bash scripting. Passionate about infrastructure as code, performance tuning, and developing CLI tools that improve operational efficiency.

Capabilities

Skills & expertise

Linux Administration

Production Linux engineering, performance tuning, and web-stack expertise.

  • RHEL / CentOS / CloudLinux
  • systemd unit authoring & service hardening
  • Kernel tuning & performance profiling
  • LiteSpeed & Apache administration
  • cPanel/WHM & Plesk automation
  • Performance monitoring (Netdata, Prometheus, Grafana)
  • Production-grade Bash scripting

Golang Development

High-performance backend systems and CLI tooling.

  • CLI tools & system utilities
  • RESTful APIs & microservices
  • Goroutines & concurrency patterns
  • gRPC & Protocol Buffers
  • Database integration (SQL & NoSQL)
  • Testing, benchmarking, profiling

DevOps & Infrastructure

Cloud-native operations and infrastructure automation.

  • Docker & container orchestration
  • Kubernetes (production deployments)
  • CI/CD pipelines (GitHub Actions, GitLab CI)
  • Terraform infrastructure-as-code
  • AWS & DigitalOcean deployments
  • Prometheus & Grafana observability
  • Linux security hardening

Selected work

Featured projects

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Linux Server Automation Suite

Automation

Bash-based automation framework for server provisioning, security hardening, and configuration management. Includes SSH key setup, firewall rules, fail2ban, system optimization.

Bash Linux Automation Security
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GoMetrics — System Monitor

Golang Tool

Golang system monitoring tool collecting real-time CPU, memory, disk I/O, network metrics. Exports to Prometheus, sends Slack/Email alerts on threshold breaches.

Golang Monitoring Prometheus CLI
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Container Deployment Manager

Golang Tool

Golang-based Docker orchestration across multiple servers. Zero-downtime deployments, health checks, automatic rollbacks, integrated logging.

Golang Docker DevOps Microservices
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SMTP Tester

Golang Tool

Golang CLI for testing SMTP delivery, authentication, and TLS configuration. Useful for debugging mail-flow issues on production servers.

Golang SMTP CLI Email
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Career

Where I've worked

  1. Senior Linux System Administrator

    · Hosting Provider (Remote) Current

    2022 - Present · Remote

    Managing high-availability infrastructure serving 500+ clients. Built automation tooling in Golang reducing deployment time by 70%. Led migration from Apache to LiteSpeed, improving TTFB by 40%.

    • Managing high-availability infrastructure serving 500+ clients
    • Built automation tooling in Golang reducing deployment time by 70%
    • Led migration from Apache to LiteSpeed, improving TTFB by 40%
    Linux Golang LiteSpeed Docker

  2. Linux System Administrator

    · Web Hosting Company

    2020 - 2022 · Dhaka, Bangladesh

    Administered cPanel/WHM environments, server security hardening, automated backup workflows, provided L2/L3 technical support.

    • Administered cPanel/WHM environments
    • Server security hardening
    • Automated backup workflows
    • Provided L2/L3 technical support
    cPanel CentOS Bash MySQL

  3. Junior System Administrator

    · IT Services Firm

    2019 - 2020 · Dhaka, Bangladesh

    Monitored server infrastructure, handled incident response, routine maintenance, developed Bash scripts for operational automation.

    • Monitored server infrastructure
    • Handled incident response & routine maintenance
    • Developed Bash scripts for operational automation
    Linux Networking Scripting
View full timeline

Writing

Latest from the blog

All posts →
· 10 min read Golang

Why Golang? A Practical Language Built for Real Backend Systems

Golang was designed for real-world backend problems like concurrency, scalability, and performance. This article explains why Go has become a top choice for modern server-side development.

Read article
· 5 min read Networking

The OSI 7-Layer Model in the Real World

When users complain that 'the app is broken,' they're describing a Layer 7 experience, even if the real failure lives far below it. This is why experienced engineers mentally walk the OSI model top-down, ruling out what's visible first and drilling deeper only when needed.

Read article

Let's build something reliable together

Whether you need server management, a custom Go backend, or infrastructure automation — I'd love to hear what you're working on.

Get in touch See GitHub