NJOKU, SAMUEL EJIKE

Senior Technologist
Owerri-West, NG.

About

Innovation-driven Senior Technologist with over eight years of expertise in electrical system operations and high-voltage grid management. Proven in substation instrumentation, equipment testing, and industrial safety, complemented by recent upskilling in Cybersecurity, Data Science, and AI. Bridges traditional power infrastructure with modern digital security to enhance operational efficiency through data-driven insights and rigorous safety protocols.

Work

Enugu Electricity Distribution Company (EEDC)
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Distribution Substation Operator (DSO)

Enugu, Enugu State, Nigeria

Summary

Managed critical substation operations and high-voltage grid stability for Enugu Electricity Distribution Company, ensuring reliable power delivery and adherence to safety protocols.

Highlights

Managed daily substation shifts, ensuring precise relaying of operational messages to System Controller and Headquarters for uninterrupted power flow.

Executed safe isolation and restoration of substation equipment, minimizing downtime during planned maintenance and mitigating impact of forced outages.

Issued and managed Protection Guarantees (PG), ensuring strict adherence to safety protocols and maintaining meticulous operational records for compliance.

Monitored and optimized load distribution and grid stability, contributing to consistent utility delivery and enhanced network reliability.

Transmission Company of Nigeria EEDC PC&M Unit
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Graduate Intern (NYSC)

Enugu, Enugu State, Nigeria

Summary

Supported high-voltage power transmission operations and equipment maintenance as a Graduate Intern, gaining hands-on experience in critical infrastructure testing and repair.

Highlights

Conducted comprehensive diagnostic tests on transformers, including oil, high-voltage insulation, ratio/excitation, to ensure operational integrity.

Installed and calibrated critical control panels and instruments, including protective relays and transformer oil testing machines, enhancing system accuracy.

Performed repairs and routine maintenance on faulty relays, successfully restoring system functionality and minimizing potential disruptions.

Education

Federal Polytechnic Nekede, Owerri
Owerri, Imo State, Nigeria

Higher National Diploma (HND)

Electrical/Electronic Engineering (Instrumentation & Control)

Grade: Lower Credit

Imo State Polytechnic, Umuagwo
Umuagwo, Imo State, Nigeria

National Diploma (ND)

Electrical/Electronic Engineering

Grade: Upper Credit

Juval Comprehensive Secondary School, Aba
Aba, Abia State, Nigeria

West African Senior School Certificate (WASSCE)

State School 1 Orogbum, Port Harcourt
Port Harcourt, Rivers State, Nigeria

First School Leaving Certificate (FSLC)

Languages

English
English, igbo

Fluent

Certificates

Introduction to Cybersecurity Essentials

Issued By

IBM / Coursera

Specialization: Energy Production, Distribution & Safety

Issued By

University at Buffalo

Data Science Fellowship

Issued By

NITDA 3MTT / FUTO

AI Career Essentials

Issued By

ALX Africa

Data Analytics Essentials

Issued By

Cisco Networking Academy

Basic Course in Environmental Impact Assessment (EIA)

Issued By

DPR / Novelle Innovation

Professional Level Project Management

Issued By

Rahn Wesley Institute, UK

HSE Levels 1, 2, & 3 (Environmental Awareness)

Issued By

British International Safety Org

Computer Hardware, Software & Maintenance

Issued By

Chesson Technological Institute

Skills

Power Systems

Substation Operations, Grid Management, High-Voltage Equipment Testing.

Instrumentation

Relay Calibration, Control Panel Installation, Instrument Maintenance.

Digital

Python for Data Science, Network Security, Windows Security (Patch Management, BitLocker, Active Directory), Prompt Engineering.

Soft Skills

Technical Reporting, Interpersonal Communication, Teamwork, Leadership.

References

OBI, Obichukwu Immanuel

Department of Mechatronics Engineering, SESET, Federal University of Technology, Owerri (FUTO). Email: immanuel.obi@futo.edu.ng

AMINU, Olatunde Gabriel

Department of Agric. Extension, SAAT, Federal University of Technology, Owerri (FUTO). Email: gabaminu70@gmail.com

IKE, Emeka Goodnews

System Operation Engineer, Enugu Electricity Distribution Company (EEDC). Email: emekagike@gmail.com