Nabir Uddin

// IT Technician & Support Specialist
London, UK
IT Support Hardware Cyber Security Azure AD Zendesk Jira SM Python Networking Power BI
Professional Summary

IT Technician and Support Specialist with 2 years of hands-on experience in hardware support, ITSM tooling, and end-user services for 200+ users. Proficient in Zendesk, Jira Service Management, and Azure Active Directory (Azure AD / Microsoft Entra ID). Holds an NCFE Level 3 Certificate in Cyber Security (Ofqual Regulated), six Cisco Network Academy certifications, with a TryHackMe ranking in the top 4% globally — backed by a portfolio of 6 self-built security projects on GitHub. Seeking an IT Support or Technician role in London to apply strong technical and security skills in a customer-focused environment.

Key Achievements
  • Resolved 20+ tickets daily via Zendesk across a 200+ user environment, consistently meeting SLA targets over a 6-month tenure
  • Self-built a home security lab environment including Splunk SIEM, Kali Linux, and virtual network infrastructure — fully documented and publicly available on GitHub
  • Completed six Cisco Networking Academy certifications and an NCFE Level 3 Cyber Security qualification within 12 months alongside full-time employment
  • Built 20+ visual dashboards independently from scratch, simplifying complex technical data into actionable insights for stakeholders
  • Achieved TryHackMe Top 1% global ranking — 178 rooms completed and 23 badges earned through self-directed cyber security practice
Work Experience
IT Support & Technical Consultant
Fiverr 'Freelancer'  |  London
  • Delivered end-to-end remote IT support to 10+ individual and small business clients — diagnosing and resolving software faults, system crashes, BSOD errors, and performance issues through event log analysis, driver updates, startup optimisation, and targeted fault isolation, achieving consistent same-day resolution
  • Performed Windows and Linux OS installations, dual-boot configurations, and full post-installation setup alongside 5+ custom PC builds, component selection, and laptop hardware upgrades including RAM expansion, SSD replacements, and battery swaps — restoring and extending device performance to client specifications
  • Designed and delivered 5+ bespoke Power BI dashboards and advanced Excel reporting solutions incorporating complex formulas, pivot tables, dynamic charts, and automated workflows — replacing manual processes and enabling data-driven decision making for small business clients
  • Engineered Python automation scripts and managed CSV data imports and exports across platforms, handling data cleaning, validation, and scheduled report generation — reducing manual reporting effort by an estimated 60% for repeat clients
Reporting Analyst
Zritt  |  London
  • Coordinated and tracked IT-related support tasks and workflows using Jira Service Management, ensuring timely resolution and clear stakeholder communication
  • Built and maintained Power BI dashboards and automated reports used by 10 stakeholders to monitor system performance, ticket volumes, and operational metrics
  • Collected, cleaned, and validated datasets of tens of thousands of rows using Excel and SQL to support accurate IT reporting and process tracking
  • Produced structured PowerPoint reports and summaries for management, translating technical data into clear operational insights
  • Identified and resolved data and reporting discrepancies in collaboration with technical teams, improving system reporting accuracy and reliability
Junior IT Technician
Scan Computers  |  London
  • Logged, managed, and resolved 20+ tickets per day using Zendesk, providing end-to-end IT support and troubleshooting for a 200+ user base
  • Built and configured 6–10 desktop PCs and laptops per week to customer specifications, ensuring hardware compatibility and performance
  • Diagnosed and repaired hardware faults on PCs and laptops, replacing components including RAM, SSDs, screens, and motherboards
  • Provisioned and managed user accounts, password resets, and access permissions using Azure Active Directory (Azure AD / Microsoft Entra ID)
  • Deployed and supported Microsoft 365 across customer sites, covering installation, configuration, and ongoing troubleshooting
  • Resolved network connectivity issues including Wi-Fi faults, cabling problems, and router/switch misconfigurations, restoring service with minimal downtime
  • Communicated clearly and patiently with non-technical customers throughout the support process, maintaining high satisfaction levels
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Cyber Security & Technical Projects
Phishing URL Detector HTML · JavaScript · Shannon Entropy

Heuristic-based browser tool detecting malicious URLs using Shannon entropy and a 15-point scoring system — no backend required, runs entirely client-side.

VirtualBox Home Lab — Splunk & Sysmon Windows 11 · Kali Linux · Splunk · Sysmon

Isolated lab environment with Windows 11 and Kali Linux VMs, Splunk SIEM for log collection, and Sysmon for endpoint telemetry and security monitoring.

Phishing Email Analysis Pipeline Python · VirusTotal API · urlscan.io

SOC-style Python pipeline that ingests raw phishing emails, extracts IOCs, and queries VirusTotal and urlscan.io for automated threat enrichment and reporting.

Raspberry Pi DNS Firewall Raspberry Pi · Pi-hole · Linux · DNS

Network-wide DNS firewall built on Raspberry Pi using Pi-hole, blocking ads, trackers, and known malicious domains across all devices on the local network.

StegoVault — LSB Steganography Tool Python · Flask · AES-256-GCM · PIL

Flask app that conceals secret messages inside PNG images using LSB steganography, with optional AES-256-GCM encryption for payload protection.

Password Analyzer Python · JavaScript · HaveIBeenPwned API

Full-stack password strength checker with entropy scoring, HaveIBeenPwned breach detection, and cryptographically secure password generation.

Technical Skills

ITSM Tools

Zendesk Jira Service Management

Identity & Access

Azure AD Microsoft Entra ID User Provisioning

Hardware

PC Building RAM / SSD Motherboard Hardware Diagnostics

Operating Systems

Windows 10/11 Kali Linux Ubuntu macOS

Networking

TCP/IP DNS / DHCP Wi-Fi Troubleshooting Pi-hole

Cyber Security

Splunk SIEM Kali NetHunter VirusTotal VirtualBox AWS EC2 / IAM

Development

Python JavaScript HTML / CSS Bash Flask

Data & Reporting

Power BI Excel (Advanced) SQL PowerPoint Google Apps Script
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Certifications & Qualifications

FORMAL QUALIFICATION

NCFE Level 3 Certificate in Cyber Security

Ofqual Regulated  |  City of London Cohort

✓ Awarded — 2026

CISCO NETWORKING ACADEMY — 2025

Introduction to Cybersecurity

Cisco Networking Academy

✓ Aug 2025

Networking Basics

Cisco Networking Academy

✓ Sep 2025

Network Support and Security

Cisco Networking Academy

✓ Sep 2025

Computer Hardware Basics

Cisco Networking Academy

✓ Sep 2025

Operating Systems Basics

Windows · Linux · Mobile

✓ Oct 2025

Python Essentials 1

Cisco Networking Academy

✓ Oct 2025

PRACTICAL PLATFORMS

TryHackMe

Practical Cyber Security Platform

Top 1% Global  |  178 Rooms  |  23 Badges  |  Level 87
Education
BSc Computer Science & Software Engineering
University of Kent
  • Member and Moderator of the University of Kent IT Social Network
  • Studied core programming, networking, operating systems, software engineering principles, and emerging AI and Large Language Model (LLM) fundamentals