Ezeobinwa Chiamaka Prisca

Network Administrator with strong hands-on experience in designing, configuring, securing, and supporting enterprise network infrastructures across public-sector, private, and security-focused environments. Demonstrates solid expertise in LAN architecture, routing and switching, firewall configuration, access control, and network diagnostics, with a practical understanding of how infrastructure security aligns with governance and operational requirements. Experienced in vulnerability assessment, secure system configuration, and proactive network hardening, supported by industry-recognized certifications from ISC2 and Cisco Networking Academy.

Adept at troubleshooting complex network issues, mentoring users and professionals, and translating technical requirements into stable, secure, and scalable network solutions. Currently advancing professional depth through postgraduate studies in Information Resource Management with a focus on resilient infrastructure and operational security.

Digital Risk and Innovation Support Officer at NCEEIC – FCT, Abuja (National Committee on Energy, Efficiency, Innovation and Certification) (2025-09 – Present)

Managed and secured the committee's digital certification and compliance databases, conducted vulnerability assessments, and led capacity-building initiatives on digital risk and data privacy.

• Managed and secured the committee's digital certification and compliance databases, ensuring controlled access and integrity of critical national energy records.
• Conducted vulnerability assessments on web platforms and internal networked systems to identify and mitigate security risks.
• Implemented secure data handling, access control, and communication protocols aligned with national digital governance standards.
• Initiated and led the 'Secure Sustainability' capacity-building project, independently designing training content and delivering sessions on digital risk, data privacy, and secure network usage to 30+ staff and auditors.

Network Administrator at Telejean Plaza Ventures (2024-06 – 2025-08)

Configured and managed switching/routing protocols, implemented cybersecurity protocols, provided network support, and restructured access-control practices reducing support tickets by 28%.

• Configured and managed switching/routing protocols (Static/Dynamic IP), ensuring efficient data flow across the LAN.
• Implemented strict cybersecurity protocols, including Firewall setup and Access Control Rules, to harden the network against external threats.
• Provided first- and second-level network and systems support, resolving connectivity, access, and configuration issues.
• Introduced structured access-control practices that reduced recurring support issues by 28% and improved average resolution time by 15%.

Security & Safety Instructor at Nigerian Armed Forces Resettlement Centre (2023-04 – 2024-04)

Delivered structured training in network defense, cybersecurity fundamentals, and security frameworks to 100+ retiring military personnel, including practical labs and vulnerability assessments.

• Delivered structured training in network defense, cybersecurity fundamentals, and governance-aligned security practices to 100+ retiring military personnel.
• Designed and facilitated practical labs covering routing, segmentation, phishing detection, and endpoint protection using Cisco Packet Tracer and TryHackMe.
• Led vulnerability scans, SIEM-based log analysis, and blue team simulations to develop real-world threat detection skills.
• Taught core security frameworks including ISO 27001, NIST 800-53, and GDPR, aligning network controls with policy requirements.

MIRM in Information Resource Management – University of Ibadan (2024 – 2026-07)

B.Sc. in Criminology and Security Studies – Chukwuemeka Odumegwu Ojukwu University (2018 – 2022)