SYS: ONLINE
UPTIME: 99.98%
NODES: 10/10
LAT: 12ms
LOC: BANGLADESH
00:00:00 BST
AVAILABLE FOR FREELANCE & CONSULTING

ASHIK
DEWAN

// Network & IT Infrastructure Engineer

5+ years architecting resilient hospital IT ecosystems — fiber networks, Proxmox virtualization, IP telephony, and CCTV. Built for uptime. Engineered for security.

root@ashik-noc:~
0
Years Active
0
Hospitals
0
Countries
Uptime Goal
$ whoami --verbose

The Engineer Behind the Network

[ profile.cfg loaded ]
Ashik Dewan, Network and IT Infrastructure Engineer
ASHIK DEWAN · ONLINE

Experienced IT professional with over 5 years of hands-on work in hospital IT environments, specializing in network infrastructure, virtualization, and system administration.

Proven expertise across MikroTik networking, Cisco/BDcom devices, Proxmox virtualization, FreePBX call-center systems, CCTV, and nurse-calling systems.

Strong in troubleshooting, system monitoring, and ensuring high availability, security, and operational continuity in mission-critical healthcare settings.

EMAILtheashikd@gmail.com
LOCATIONBangladesh
EDUBSc CSE — Metropolitan University
ROLEExecutive IT · Queen's Hospital
$ systemctl status skills

Technical Capabilities

[ 6 services · all active ]
🌐92%
Networking
MikroTik · Cisco · BDcom · VLAN · Firewall
🖥️85%
Virtualization
Proxmox · VM Management · Server Admin
📞80%
IP Telephony
FreePBX · Trunk Setup · Call Center
📷88%
CCTV & Surveillance
NVR · IP Cameras · Cabling · Config
🔦82%
Fiber & FTTB
OLT · Triple Play · CATV · Fiber Mgmt
🛠️95%
Troubleshooting
Hardware · Software · Network · Fast RCA
$ cat certifications.log Courses & Degrees
CCNA Certification
▸ Sukteri, Chandigarh, India
Proxmox Server Admin
▸ Udemy · Online
BSc Computer Science & Eng.
▸ Metropolitan University · Pursuing
Diploma in CSE
▸ Sylhet Polytechnic Institute
$ tail -f career.log

Deployment History

[ 3 records · newest first ]
Executive IT
Queen's Hospital Ltd
MAR 2024 — PRESENT
▸ Subid Bazar, Sylhet, Bangladesh
  • Designed, implemented, and maintained the entire hospital IT infrastructure ensuring uninterrupted, secure operations.
  • Deployed and managed Triple Play Solution (FTTB, CATV), including OLT configuration and fiber network management.
  • Installed and administered Proxmox Virtualization Server with multiple virtual servers for hospital systems.
  • Implemented Call Center & IP Telephony System with FreePBX configuration, trunk setup, and troubleshooting.
  • Configured MikroTik routers, switches, VLANs, firewalls, and bandwidth policies. Installed CCTV and Nurse Calling Systems.
IT Support
Life Core Private Medical Clinic
DEC 2021 — DEC 2023
▸ Mina Place, Abu Dhabi, UAE
  • Provided day-to-day IT support ensuring smooth operation of computer systems and peripherals for hospital staff.
  • Installed, maintained, and troubleshot hardware devices — PCs, printers, UPS — and resolved system issues.
  • Installed and configured CCTV systems including cameras, cabling, and NVR across the hospital facility.
  • Configured MikroTik Access Points with RADIUS server-based authentication across the hospital network.
IT Technician
Al Haramain Hospital Pvt Ltd
AUG 2020 — OCT 2021
▸ Samata-30, Subhani Ghat, Sylhet, Bangladesh
  • Installed, configured, and maintained computer systems, software, and network hardware.
  • Diagnosed and resolved hardware, software, and network-related issues efficiently.
  • Designed, installed, and supported analogue & digital CCTV systems and provided end-user support.
$ traceroute infrastructure

Live Network Topology

[ packets flowing · real-time map ]
🔁
VLAN Segmentation
Isolated segments for clinical, admin, and guest traffic — security and performance by design.
🔥
Firewall & Security
MikroTik-based firewall policies with bandwidth management and intrusion prevention.
📡
Fiber FTTB / OLT
Full-building fiber deployment with OLT management for high-speed, reliable links.
💻
Proxmox Cluster
Multi-VM Proxmox cluster hosting hospital systems with live migration support.
topology.live · traffic monitor
$ ls -la /var/blog

Project Logs

[ 3 entries · status: pending ]
🔦
Fiber Network
Deploying Triple Play FTTB at Queen's Hospital
A walkthrough of designing fiber-to-the-building with OLT configuration, CATV integration, and IPTV across a 10-floor hospital.
STATUS: SOON→ READ
🖥️
Virtualization
Proxmox for Hospital Management Systems
How I built a Proxmox cluster from scratch to host the hospital's HIS, PBX, and monitoring with near-zero downtime.
STATUS: SOON→ READ
📞
IP Telephony
FreePBX Call Center in Healthcare
Building a reliable internal call center with FreePBX — SIP trunks, IVR menus, and extension management for 100+ users.
STATUS: SOON→ READ
$ ping ashik --establish

Open a Channel

[ awaiting handshake ]
Email
theashikd@gmail.com
Location
Bangladesh
Available For
Freelance & Consulting
Response Time
Usually within 24 hours
LinkedIn
/in/theashikd-in
GitHub
/theashikd-git
Facebook
/theashikd