CHARLES AIYENIGBA

IT Support Specialist | System Administrator
Abuja, NG.

About

Proactive IT professional with over 3 years of experience in system administration, IT infrastructure support, and diagnostics, dedicated to optimizing system stability and performance. Proven ability to reduce downtime by up to 30% through expert troubleshooting, secure remote administration, and robust LAN infrastructure management across Windows and Linux environments.

Work

GRACETECH GROUPS
|

Technical Coordinator

Abuja, FCT, Nigeria

Summary

Coordinated strategic IT documentation and external proposal development, enhancing collaboration efficiency for critical projects.

Highlights

Streamlined external proposal development and strategic IT documentation processes, reducing collaboration close-out time by 15%.

INDEPENDENT NATIONAL ELECTORAL COMMISSION (INEC)
|

System Analyst (IT/NYSC)

Abuja, FCT, Nigeria

Summary

Analyzed and maintained critical IT systems, providing comprehensive technical support and optimizing infrastructure for electoral processes.

Highlights

Installed and configured robust LAN infrastructure using RJ45 cabling, significantly improving network stability and reducing data transmission errors.

Provided end-to-end technical support to over 50 staff and management, effectively troubleshooting complex software, connectivity, and hardware issues.

Conducted thorough IT documentation and review of external proposals, streamlining technical processes and enhancing efficiency by 15%.

QUERYFIER LLC
|

Data Scientist

Abuja, FCT, Nigeria

Summary

Utilized scripting and diagnostic tools to enhance system reliability and provide secure IT support for critical field operations.

Highlights

Developed automated health checks and PowerShell scripts, successfully reducing system downtime across critical systems by 25%.

Diagnosed and resolved critical BSOD and driver-related issues using safe mode diagnostics and targeted updates, restoring system functionality.

Supported secure IT operations for field officers, ensuring the integrity and confidentiality of sensitive electoral processes.

LUSTACK LLC
|

Software Quality Assurance Engineer

Abuja, FCT, Nigeria

Summary

Ensured software quality and improved development cycles through meticulous testing and cross-functional reporting.

Highlights

Documented comprehensive test cases and reported bugs efficiently, reducing software fix cycles by 20%.

Enhanced cross-team collaboration by providing clear and concise technical reports, improving development workflows and communication.

MTN SALMANA VIEWS AND COMMUNICATIONS
|

IT Intern

Abuja, FCT, Nigeria

Summary

Provided essential IT support and troubleshooting, ensuring smooth daily operations and end-user satisfaction.

Highlights

Assisted in day-to-day IT operations, including hardware and software setup and maintenance for optimal performance.

Resolved end-user support tickets, effectively troubleshooting hardware/software issues to minimize disruption and enhance productivity.

Education

FEDERAL UNIVERSITY LOKOJA
Lokoja, Kogi, Nigeria

Bachelor of Science

Computer Science

Publications

Sentiment Analysis of the 2023 Nigerian Presidential Elections (B.Sc Project Work)
Run your ChatBot Locally (No Data, No Problem)

Published by

Medium

Summary

Discover how Nigerians can install & run Large Language Models (LLMs) offline using LM Studio, tackling high data costs & unreliable internet. This humorous guide walks you through downloading models, local interaction, & performance optimization.

The Human Factor in Social Engineering

Published by

Medium

Summary

Learn how to protect yourself from social engineering attacks that exploit human psychology. Discover common tactics like phishing & spear phishing, & find out how staying informed & following cybersecurity best practices can help you stay safe online.

Sentiment Analysis with Python: A Rookie's Guide

Published by

Dev.to

Summary

Unlock sentiment analysis with Python using NLTK & TextBlob. Discover how to extract emotions from text, visualize results, & apply your skills in real-world scenarios, enhancing your programming abilities & understanding of text meaning.

Understanding the Basic Principles of the Web

Published by

Medium

Summary

Explore the web's core components, client-server architecture, TCP/IP, HTTP, & DNS. Understand web server functionality, static vs. dynamic content, & the client-server model. Enhance your grasp of the web's underlying infrastructure & how it works.

A Windows User's Guide to Linux: Assessment of WSL, Virtual Machines & Dual Boot

Published by

Medium

Summary

Discover the best way to integrate Linux with your Windows setup. Explore options like WSL, virtual machines, & dual booting, & learn how to choose the one that fits your needs, allowing you to leverage Linux's power while staying compatible with Windows.

Languages

English

Native

Certificates

Introduction to Computers and Operating Systems and Security

Issued By

Microsoft

Applied Data Science Lab

Issued By

WorldQuant University

Introduction to Cybersecurity

Issued By

Cisco

Cybersecurity Essentials

Issued By

Cisco

Crash Course on Python

Issued By

Coursera/Google

Career Essentials in Cybersecurity

Issued By

Microsoft and LinkedIn

Introduction to Networking and Cloud Computing

Issued By

Microsoft

Oracle Cloud Infrastructure 2025 Certified Foundations Associate

Issued By

Oracle

Skills

System & OS Administration

Windows, Linux (Ubuntu, Kali Linux), Safe Mode Diagnostics, Drivers Troubleshooting, System Health Checks.

Scripting & Automation

PowerShell, Python, Web Scraping, Command-line Tools (ipconfig, netstat, Wireshark).

Networking & Remote Management

RJ45 Cabling, LAN Optimization, RustDesk, AnyDesk, Microsoft QuickAssist.

Soft Skills

Problem-solving, Critical Thinking, Adaptability, Team Collaboration, Effective Communication.

Productivity Tools

Google Workspace, Microsoft Office Suite, Notion, Git, Technical Writing.

Cybersecurity

Cybersecurity Essentials, Network Security, System Security.

IT Support

Hardware Troubleshooting, Software Troubleshooting, End-User Support, IT Operations.

Data Analysis

Sentiment Analysis, Data Science Concepts, Predictive Modeling.

Projects

Brain Tumor Detection on MRI Images
Brain Tumor Detection on MRI Images

Summary

Designed a system for detecting brain tumors from MRI images, applying image processing and machine learning principles.

Fertility Window Predictor
Fertility Window Predictor

Summary

Created a predictive model for determining fertility windows, utilizing data analysis and statistical methods.

Hepatitis B Prediction System
Hepatitis B Prediction System

Summary

Developed a system to predict Hepatitis B, integrating data analysis and predictive algorithms for health diagnostics.

Sentiment Analysis of the 2023 Presidential Elections
Sentiment Analysis of the 2023 Presidential Elections

Summary

Developed a system for sentiment analysis related to the 2023 Nigerian Presidential Elections, leveraging data processing and analytical techniques.

OptiTech Consulting Limited
OptiTech Consulting Limited

Summary

OptiTech Consulting Limited is a trusted IT solutions provider, offering expert training, infrastructure, and advisory services to individuals, businesses, and government institutions.

Saidi Nigeria Limited
Saidi Nigeria Limited

Summary

Saidi Nigeria Limited is a multi-discipline construction firm with state of the art equipment, professional manpower & field experience.