tanvir@infra:~$

$ whoami

Engr. Sheikh Tanvir
Inzamam

Senior System Administrator / Linux & Infrastructure / Virtualization / Cloud

I keep production infrastructure secure, available and fast: Linux and Windows servers, virtualization, cloud, mail, networking and the data center underneath it all.

experience
11+ years
current
Amber IT Ltd
founder
Brotherhood IT Solutions
location
Dhaka, BD
./get-in-touchcat career.log
11+years in production ops
06organizations
06virtualization platforms
04cloud platforms

$ systemctl status career --all

Career, unit by unit.

Founder

Domain, Hosting, Server Provider & an IT Shop · Brotherhood IT Solutions

active (running)2025 → present
  • Founded Brotherhood IT Solutions (BHITS), a Dhaka-based provider of domain registration, web hosting, VPS and business email: brotherhoodit.com
  • Offer Linux and Windows VPS, backup as a service (BaaS), custom DNS and infrastructure as a service (IaaS).
  • Provide managed mail as a service on Zimbra and Postfix, plus custom SMTP solutions.
  • Run Brotherhood IT Shop, an online store for laptops, desktops, components, networking gear and gadgets: bhits.com.bd

Assistant Manager

System Administration · Amber IT Ltd

active (running)Jun 2024 → present
  • Administer physical and virtual Linux and Windows servers: provisioning, configuration, patching and troubleshooting.
  • Run VMware ESXi, Proxmox, Hyper-V and LXD with a focus on stability, availability and performance.
  • Maintain Zimbra, Postfix, Exim, DNS, LAMP, WHM/cPanel, VPS, VSFTPD, OpenVPN and RADIUS.
  • Monitor with Zabbix, Nagios and Cacti; investigate incidents and resolve server and application issues.
  • Manage Dell PowerEdge/EMC and HP infrastructure, capacity planning and co-location.
  • Apply server security and health-management practices across the estate.

Deputy Manager (System Administrator)

Planning & Implementation · Mango Teleservices Ltd

exited (0)Apr 2022 → Jun 2024
  • Administered Linux/Windows server infrastructure and enterprise email on Zimbra and Postfix.
  • Managed VMware, Proxmox and Hyper-V virtualization environments.
  • Ran cloud environments across OpenStack, AWS, Azure and GCP.
  • Handled routers, switches, firewalls, VPNs, backup, monitoring and system security.

System Engineer

Cloud System · Intercloud Ltd

exited (0)Feb 2021 → Mar 2022
  • Provisioned VMs, tenant networks and IPsec/OpenVPN solutions for cloud customers.
  • Automated infrastructure tasks with Shell scripting and Ansible.
  • Ran Linux mail, DNS and LDAP, plus VMware, KVM and XEN platforms.
  • Installed and configured Oracle, MySQL, MongoDB and PostgreSQL.

Network Engineer

Technology · Ranks ITT Ltd

exited (0)Mar 2018 → Jan 2021
  • Monitored core network, POPs, backbones and client links with Cacti-MRTG, Nagios and Grafana.
  • Configured and troubleshot routers, switches, firewalls and Wi-Fi.
  • Handled IP network design, installation and remote and on-site support.

Senior Trainee, Quality Assurance

Customer Experience & Service · Grameenphone Ltd

exited (0)Sep 2015 → Feb 2018
  • Delivered quality customer service across inbound and outbound contacts while meeting service KPIs.
  • Captured customer insights and escalated critical issues to support retention and satisfaction.

$ ls -la /etc/skills/

The stack I run.

operating-systems

LinuxWindows Server

virtualization

VMware ESXiProxmoxHyper-VLXDKVMXEN

cloud

AWSAzureGCPOpenStack

automation

Shell scriptingAnsible

mail

ZimbraPostfixExim

network-services

DNSLDAPSFTP/FTPVSFTPDOpenVPNIPsecRADIUS

monitoring

ZabbixNagiosCactiGrafanaCacti-MRTG

web-hosting

WHM/cPanelLAMPVPS

networking

RoutersSwitchesFirewallsWi-FiIP design

data-center

Dell PowerEdge/EMCHPCo-locationCapacity planning

databases

OracleMySQLMongoDBPostgreSQL

ops-mindset

Production troubleshooting, service availability, security and team supervision.

$ openssl x509 -noout -dates -in certs/*

Certifications & training.

MikroTik

MTCRE

Certified Routing Engineer

notBefore Aug 2026
notAfter Jul 2029

valid

MikroTik

MTCNA

Certified Network Associate

notBefore Jul 2025
notAfter Jul 2028

valid

Cisco

CCNA

Routing & Switching

notBefore Oct 2021
notAfter Oct 2024

expired

$ ls ~/training/ — 6 entries

Oct 2021Windows Server 2019 Administration & Microsoft Azure FundamentalsCorporate Projukti Ltd
Dec 2020NDG Linux UnhatchedCisco Networking Academy
Apr 2020V-SOL Operational Management of FTTxRasa Technologies
Aug 2019MPLS & Advanced RoutingRanks ITT Ltd
May 2019MTCNAAT Computers Ltd
Sep 2018CCNA: Routing & SwitchingLinux Pathshala

$ cat ~/education.txt

Education.

  1. B.Sc. in Computer Science & EngineeringUniversity of Asia Pacific (UAP)
  2. HSC, ScienceBCIC College
  3. SSC, ScienceMonipur High School

$ groups tanvir

Affiliations.

  • uapcseaaOrganizing Secretary, UAP CSE Alumni Association
  • iebGeneral Member, The Institute of Engineers Bangladesh
  • bcsGeneral Member, Bangladesh Computer Society
tanvir@infra: ~/contact

$ echo "$GREETING"

Need infrastructure that stays up?
Let’s talk.

$ contact --list