Kingsley K. Chukwuma
IT Support Specialist/Officer
Lagos
Summary
Highly motivated and Certified IT Support Specialist with comprehensive knowledge of networking, operating systems, and cybersecurity validated by multiple Cisco and Google certifications. Blending hands-on technical expertise with a strong background as an ICT Educator, I possess a proven ability to diagnose and troubleshoot complex hardware, software, and network issues. My dual experience in maintaining critical school infrastructure and optimizing system security ensures high standards of digital reliability and operational continuity for any technical team.
Overview
5
5
Certificates
3
3
years of professional experience
Work History
ICT Classroom Teacher
Golden Foremost College
10.2023 - Current
- Manage school ICT infrastructure and provide technical support.
- Maintain records and databases using MS Excel.
- Explain IT concepts to students using an easy to understand method.
- Designed a dynamic academic database in Google Sheets for various subjects, including ICT, across multiple grade levels; built automated formulas to compute totals, cumulative averages, and class rankings, eliminating manual calculation errors.
Intern
Makatob Securities
10.2025 - 12.2025
- Mastered advanced cybersecurity methods and industry practices across a rigorous 10-week program, focusing on network defense, threat hunting, and Security Information and Event Management (SIEM).
- Applied learned methodologies, including the MITRE ATT&CK Framework, to analyse and propose solutions for several complex, real-world security challenges, such as cloud misconfigurations and phishing attacks.
- Developed hands-on expertise with key industry tools such as Wireshark, Nmap, and Splunk through intensive lab exercises and capstone projects.
- Collaborated with a team of 30 peers to complete a simulated incident response exercise, demonstrating proficiency in triage, analysis, and containment protocols.
Intern
Wilses Cybersecurity Solutions
01.2025 - 04.2025
- Applied core principles of the NIST Cybersecurity Framework (CSF), directly supporting the alignment of operational security controls with industry best practices.
- Executed vulnerability assessments and penetration testing using industry tools such as Nmap, Wireshark, Metasploit, identifying and documenting high-risk vulnerabilities.
- Contributed to real-time security monitoring and incident response activities as a fully remote member of the cybersecurity team, leveraging SIEM solutions such as Splunk to analyze security logs.
- Collaborated effectively across a distributed team environment to develop and test security patches, ensuring system integrity and reducing potential attack surfaces.
Education
Cybersecurity - Cybersecurity
Tech Sphere Academy
London, United Kingdom 04.2001 -
Junior Cybersecurity Analyst - Cybersecurity
Cisco Networking Academy
Lagos, Nigeria 04.2001 -
Certified Cisco Network Associate (CCNA) - Cybersecurity
HIIT Academy
Lagos, Nigeria 04.2001 -
Endpoint Security - undefined
Cisco Networking Academy
Lagos, Nigeria11-2025
Networking Devices and Configurations - undefined
Cisco Networking Academy
Lagos, Nigeria08-2025
Networking Basics - undefined
Cisco Networking Academy
Lagos, Nigeria12-2024
Introduction to Cybersecurity - undefined
Cisco Networking Academy
Lagos, Nigeria03-2024
Bachelor of Arts - History and International Studies
Nnamdi Azikiwe University
Awka, Anambra, Nigeria 04.2001 -
Skills
TCP
Windows OS
Help Desk
Active Directory
Cryptography Fundamentals
Time management
Linux OS
Network Topology
Network Protocols (IPv4 & IPv6)
Network Monitoring
Customer Service
Software Troubleshooting
Virtualization
Scripting
Problem Resolution
Resource Management
Fast learner
Problem-solving
Team collaboration
Adaptability and flexibility
Interpersonal and social skills
Creativity and innovation
Multitasking and organization
Attention to detail
Microsoft Office Suite
Outstanding communication skills
Professionalism and etiquette
Data management
Data interpretation
Operations support
Certification
Certified Cisco Network Associate
Timeline
Certified Cisco Network Associate
02-2026
Intern
Makatob Securities
10.2025 - 12.2025
Global Cybersecurity
01-2025
Intern
Wilses Cybersecurity Solutions
01.2025 - 04.2025
Networking Basics
12-2024
Introduction to Cybersecurity
03-2024
Introduction to Cybersecurity
02-2024
ICT Classroom Teacher
Golden Foremost College
10.2023 - Current
Cybersecurity - Cybersecurity
Tech Sphere Academy
04.2001 -
Junior Cybersecurity Analyst - Cybersecurity
Cisco Networking Academy
04.2001 -
Certified Cisco Network Associate (CCNA) - Cybersecurity
HIIT Academy
04.2001 -
Bachelor of Arts - History and International Studies
Nnamdi Azikiwe University
04.2001 -
Endpoint Security - undefined
Cisco Networking Academy
Networking Devices and Configurations - undefined
Cisco Networking Academy
Networking Basics - undefined
Cisco Networking Academy
Introduction to Cybersecurity - undefined
Cisco Networking Academy
Work Availability
monday
tuesday
wednesday
thursday
friday
saturday
sunday
morning
afternoon
evening
swipe to browse
Accomplishments
- Data Recovery Success: Successfully diagnosed a critical hardware failure and recovered 100% of lost data from a corrupted hard drive using advanced recovery tools, preventing major data loss and restoring operations with zero downtime.
- Automated Grading System: Developed and implemented a centralized, multi-subject digital score sheet using Google Sheets for JSS1–JSS3, automating continuous assessments (CAs), exam calculations, cumulative averages, and student positions, which improved grading accuracy and reduced processing time.
Quote
"Success is not an overnight event, but the gradual refusal to give up."
Kingsley K. Chukwuma
Languages
English
Interests
G
Software
Troubleshooting