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ABOUT ME

Building Reliable Network & Infrastructure Systems

I am Shajib Mondal, a Network Engineer & IT Infrastructure Specialist dedicated to designing, deploying, and optimizing enterprise-grade network topologies, high-availability server infrastructure, and proactive monitoring systems.

Professional Profile

I am Shajib Mondal, a Network Engineer & IT Infrastructure Specialist dedicated to designing, deploying, and optimizing enterprise-grade network topologies, high-availability server infrastructure, and proactive monitoring systems.

With deep expertise in MikroTik RouterOS, Cisco switches, Linux server virtualization (Proxmox VE), Docker containerization, and observability platforms like Prometheus and Grafana, I focus on delivering resilient, zero-downtime infrastructure solutions.

ℹ Note: Personal information and bio can be customized in lib/profile.ts.

Profile Overview

Technical Spec
Role
Network Engineer & IT Infrastructure Specialist
Location
Bangladesh
Core Focus
Networking • Infrastructure • Monitoring
Status / Availability
Available for Projects & Consulting
Services & Capabilities

What I Do

Core engineering capabilities across enterprise networking, server virtualization, monitoring, and security.

  • Network Infrastructure

    Design, deployment, and management of enterprise network topologies, VLAN segmentation, and structured Layer 2 / Layer 3 environments.

    MikroTikCiscoVLANSTPLACPGPON / OLT

  • Routing & Switching

    Configuration of routing protocols (OSPF, BGP), static routing, NAT, firewall rules, and high-availability switching infrastructure.

    OSPFBGPMikroTik RouterOSCisco IOSSubnetting

  • Server & Virtualization

    Hypervisor management with Proxmox, server administration on Linux distributions, and container orchestration using Docker.

    LinuxProxmox VEDockerNginxCaddyBash

  • Monitoring & Observability

    Deploying observability stacks to track network latency, server health, traffic metrics, and log aggregation with proactive alerting.

    PrometheusGrafanaLibreNMSSNMPGraylog

  • Security & VPN

    Implementation of site-to-site and remote access VPN tunnels, access control lists, stateful firewall rules, and network hardening.

    WireGuardOpenVPNIPsecFirewallAccess Control

  • Web & Database Infrastructure

    Self-hosted web applications, reverse proxy configuration, SSL/TLS automation, and relational database management.

    PostgreSQLNext.jsLaravelREST APIDocker Compose
Domain Expertise

Technical Focus Areas

Categorized technical competencies across networking, server infrastructure, monitoring stacks, and security protocols.

NETWORKING

  • MikroTik
  • Cisco
  • Routing
  • Switching
  • VLAN
  • VPN
  • GPON / OLT

INFRASTRUCTURE

  • Linux
  • Proxmox
  • Docker
  • PostgreSQL
  • Reverse Proxy
  • Server Administration

MONITORING

  • Prometheus
  • Grafana
  • LibreNMS
  • SNMP
  • Graylog
  • OpenSearch

SECURITY

  • Firewall
  • Network Segmentation
  • VPN
  • Access Control
  • Secure Infrastructure
Guiding Principles

Engineering Philosophy

Fundamental principles that govern design, deployment, and ongoing system administration.

Reliability First

Designing systems for maximum uptime, fault tolerance, and redundancy. Avoiding single points of failure across physical and logical topology.

Security by Design

Enforcing strict network segmentation, least privilege access, and system hardening from day one rather than as an afterthought.

Observability Matters

Unmonitored infrastructure is unpredictable. Comprehensive metrics, logging, and automated alerts turn reactive troubleshooting into proactive maintenance.

Document Everything

Clear network topology diagrams, runbooks, and configuration archives ensure systems remain maintainable, auditable, and scalable.

Workflow & Methodology

How I Approach Technical Problems

A structured 4-step process to ensure systems are well-understood, soundly engineered, and systematically maintained.

01

Understand

Analyze business and technical requirements, inspect current network topology, and identify root operational challenges.

02

Design

Architect a practical, maintainable, and scalable solution following industry standards and security best practices.

03

Implement

Deploy network changes and server infrastructure systematically with zero-downtime strategies and rollback procedures.

04

Monitor & Improve

Validate functionality through metrics and logging, fine-tune performance, and iteratively optimize system health.

Interested in working together?

Explore recent network & infrastructure project case studies or get in touch for technical collaboration.

View My ProjectsGet In Touch