# AL MAHMUD

AL MAHMUD is a remote worker on Himalayas, Assistant Manager (Technical) at Bangladesh Telecommunications Company Limited (BTCL), based in France.

Source: https://himalayas.app/@almahmud

```text
Infrastructure security analyst at BTCL who helped restore .bd DNS and built abuse detection across 55,000 domains.
```

| Detail | Value |
| --- | --- |
| Availability | Looking for a job |
| Location | France |
| Authorized to work in | France |
| Salary expectations | 21k+ EUR |
| Job categories | Infrastructure Analyst, Security Operations Analyst |
| Skills | Infrastructure Security, DNS Security, DNSSEC, Incident Response, Incident Triage, Root Cause Analysis, Abuse detection, Network Traffic Analysis, DNS Spoofing, Security Information And Event Management (SIEM), Email Security, Linux Administrator, Firewall Rule Management, Registry Level Security, Defender XDR |
| LinkedIn | https://linkedin.com/in/1mahmud |
| GitHub | https://github.com/AL-IMT |

## What I'm looking for

```text
I’m available for up to 20 hours a week of remote contract work.
```

## About

```text
At Bangladesh Telecommunications Company Limited (BTCL), I operate the .bd and .বাংলা registry and national authoritative DNS, including its DNSSEC platform. I was part of the team that restored .bd resolution after the April 2024 DNSSEC key rollover outage.

I also built a DNS abuse detection pipeline using Zeek, Elasticsearch, Kibana, and Python to flag domains for review. My incident response work includes investigating infrastructure incidents and writing root-cause and impact reports, as well as recovering BTCL’s mail server after a disk failure.
```

## Experience

### Assistant Manager (Technical) (current)

Bangladesh Telecommunications Company Limited (BTCL). Oct 2015 - Present

```text
Managed operations of the .bd and .বাংলা ccTLD registry and national authoritative DNS, including DNSSEC deployment. Led incident response, restored .bd resolution after the April 2024 DNSSEC outage, and built a DNS abuse detection pipeline.
```

Skills: DNS, DNSSEC, Incident-Response, Zeek, Elasticsearch, Kibana, Python, Linux, Import-Export, Rspamd, DMARC, Firewall-Management, Network-Security, SIEM, Microsoft-Sentinel, MITRE-ATT&CK

## Education

### IMT Atlantique

Master of Science, Information Technology. 2026 - Present

```text
Currently pursuing an MSc in Information Technology with a Cybersecurity track at IMT Atlantique, expected to complete in 2028.
```

### ICANN

ICANN Cybersecurity Basics (400.1), Cybersecurity. 2023 - 2023

```text
Completed ICANN Cybersecurity Basics (400.1) course in 2023.
```

### American International University-Bangladesh

Bachelor of Science, Computer Science and Engineering. 2010 - 2014

```text
Completed a Bachelor of Science in Computer Science and Engineering at American International University-Bangladesh from 2010 to 2014.
```

### EC-Council

Certified SOC Analyst (CSA), Cybersecurity

```text
Certified SOC Analyst (CSA) certification from EC-Council.
```

### EC-Council

Certified Ethical Hacker (CEH), Cybersecurity

```text
Certified Ethical Hacker (CEH) and Certified SOC Analyst (CSA) certifications from EC-Council.
```

### Microsoft

Microsoft Certified: Security Operations Analyst Associate (SC-200), Security Operations. 2025 - Present

```text
Microsoft Certified: Security Operations Analyst Associate (SC-200) certification, valid until July 2027.
```

## Tech stack

- Python
- Kibana
- Elasticsearch
- Bash

To contact AL, message them from this profile with a Himalayas employer account: [Hire on Himalayas](https://himalayas.app/hire).

## People also viewed

- [Deusty Lionel User](https://himalayas.app/@deustylioneluser): Technicien Informatique Junior, Dis Connect
- [Ben Abdelkeim Thamir](https://himalayas.app/@benabdelkeimthamir): Expert Cybersecurity, Arval
- [Sumanth Gogineni](https://himalayas.app/@sumanthgogineni): Network Security Engineer, JD International
- [Arthur Paly](https://himalayas.app/@arthurpaly): Software & Infrastructure Engineer, Portfolium
- [hasan mizu](https://himalayas.app/@haque_mofizal): DevOps Engineer, Techynaf Technologies Limited
- [Christian RAMINOSOA](https://himalayas.app/@christianraminosoa): CERT Analyst, Société Générale
- [Pascal User](https://himalayas.app/@pascaluser2): Chargé de Supervision, CDC Habitat
- [Aidana Niiazova](https://himalayas.app/@aidananiiazova): Cybersecurity Engineer Intern, RTL Group
- [Mohammad Waris Azimi](https://himalayas.app/@mohammadwarisazimi): Senior IT Security Officer, Afghan United Bank
- [William jums](https://himalayas.app/@williamjums): Network / Security Engineer, MOSS