Harrison Nnaji CCISO CISM CEH CCNP CCSP CISSP Mo R TOGAF 9

ROLES: Cloud Security Blockchain Security IoT Security Cyber Security Network Security Systems Security Database Security Application Security Risk Managementy Vulnerability Management Security Awareness and Training Access and Identity Management Account Provisioning and Management Security Events / Incidents Management Security Strategy development and Actualization Policy, Process and Standards development and Optimization

》Worked with the design team in 5 other countries to design a standard model network to be rolled out in Africa during the LAN Zoning project for one of our strategic customers 》Completed the LAN Zoning / Network Security / Data Center restructuring in 9 West & Central African countries to enhance Resiliency, Data Security, Resource allocation, Incident Containment, Access Control, Traffic & Bandwidth Management with huge savings in time, cost and improvement in agreed quality as the Technical lead and Project Manager 》Providing leadership to a team of 29 resources across 9 West and Central African countries to ensure optimal performance and cross-country skill leverage 》Providing mentoring to about 36 IBM resources in Airtel Africa on how to GROW (Goals, Reality, Options, Will) career and succeed in IBM. 》Championed the borderless network resource pool across 9 countries that reduced network and security incidents / requests handling time in each country by over 70% 》Completed WAN Optimization and MPLS projects in 9 countries as the Technical lead and Project Manager 》Championed a network resource and operation strategy that reduced the number and severity of network incidents / tickets by over 75% in 4 months across 9 countries 》Successfully delivered multiple transformation projects across language and cultural barriers in 9 West and Central African countries 》Championed the roll out of 12 IBM processes across 17 countries in Africa as the Network Services Delivery Process SPOC (Single Point of Contact) ROLES: Network & Network Security Architecture Management IT Infrastructure Architecture Client expectations management Technology Solution delivery Data & Information Security Project Management IT Security Strategy Governance and Process Management Forensics & Investigations Network and End-Points Security

》Investigated and cracked multiple hydra-headed frauds 》2-time winner of the CIO Excellent Services Delivery Award (by two different CIOs) 》Lead the team that designed and implemented security solutions that provided proactive discovery and management of network fraudulent activities 》Co-Authored and implemented applicable policies, processes and standards that reduced fraud and security incidents by over 70%. 》Championed the nationwide Enterprise data and Information Security awareness campaign that lead to a huge reduction in cases of password and identity theft. ROLES: Data & Information Security Forensics & Investigations Policy & Access Management Vulnerability Assessment & Remediation Technical and Solution Support

》Lead the team that implemented the Enterprise wide end system security 》Prepared and periodically shared security reports that created visibility of user and end system security and compliance 》Implemented the Intrusion Detection / Prevention System that reduced spam and malicious threats by over 95%. 》Started the network security and process awareness campaign 》Provided advice on risk appetite, escalations, contingencies and risk capacity. 》Conducted security assessment of the regional offices of Zain Nigeria and carried out security awareness training for the staff members at the regions.

》Successfully launched the Cisco product line for the company 》Created and nurtured a new department 》Grew the market share from 0% to 11% in 5 months through multiple strategic initiatives with the customers 》Interfaced with network integrators to enhance their skill and ability to Prepare, Plan, Design, Implement, Operate, and Optimize IP networks using technology-based solutions. 》Guided the network integrators on the preparation of Bill of Material, BOM for their clients.

Posted to Zain Nigeria Ltd for onsite Support: (Formerly Celtel Nigeria Ltd) Position: Data Communication Network Support Engineer Network Monitoring and Support of about 350 network devices including Cisco 7500 series routers, Cisco 6500 series multi-service switches, Cisco 4500 series, Cisco 3745 routers, Cisco 3750 POE switches, Cisco firewalls. Monitor, Analyze and Support Celtel Nigeria nationwide multi-site enterprise inter-network encompassing LAN, WAN, WLAN and Internet Connectivity. Provision of first and second level support services to over 3000 network users according to a pre-defined SLA and security standards. Monitoring and management of Celtel Nigeria network with tools like Websense, SolarWinds Orion, SolarWinds Cirrus, Ethereal, CiscoWorks, Cisco ACS and Network Inspector. Trained eight regional IT officers to get them acquainted with the basic knowledge and troubleshooting skills in internetworking and worked with them. Use of Remedy helpdesk tool to log, track and manage requests, incidents and calls. Bandwidth shaping and control using Packeteer’s packet shaper  Generation, analysis, and documentation of daily, weekly, and monthly reports on incidents on the Celtel enterprise networks and the enterprise network performance status  Development and Documentation of Support policies and procedures.

Supported and managed Telnet Nigeria Ltd Local Area Network infrastructure. Administered and managed the organization’s messaging system, Lotus Notes and Internet facilities. Deployed Antivirus Solutions and Constantly Monitored the adherence to the company’s network Security Policies. Offered First Level Support & Incident management using helpdesk management tool, Heat Setup, repair & maintenance of computer systems & printers Daily, weekly & monthly quality & incident report generation, analysis and management