Emmanuel Odinakachukwu Cosmos

TigerLogic Solutions Limited · Victoria Island, Lagos

• Led end-to-end Design, configure, implement, and maintain secure, scalable systems (on-premises, cloud, hybrid based) enterprise cybersecurity platforms, including full tenant-to-tenant migrations across 12+ client environments, enhancing threat visibility by 65% and reducing vulnerability exposure by 45%.
• Served as primary technical support engineer, delivering Tier-1 troubleshooting and support for security solutions while improving system reliability and minimizing downtime.
• Architected and implemented Privileged Access Management (PAM) and SIEM monitoring solution, reducing unauthorized access incidents by 40%
• Managed enterprise-wide infrastructure tools, including network monitoring, vulnerability management, and patch management platforms across diverse technology environments
• Deployed and managed monitoring agents across 150,000 endpoints, ensuring comprehensive Threat visibility and operational efficiency
• Monitor systems and networks for security events; support incident detection, response, containment, eradication, recovery, and post-incident activities.
• Perform risk assessments, threat analysis, attack surface evaluation, and provide cybersecurity risk input to Clients and Authorizing Officials, resulting in measurable improvements to overall security posture.
• Conduct vulnerability assessments, compliance scans, and track remediation of findings.
• Performed regular device and agent health checks across security tools, documented issues, and coordinated timely remediation to ensure optimal performance.
• Develop, review, and maintain security documentation, detailed incident logs, configuration documentation, and weekly security reports for stakeholder review and compliance auditing.

TigerLogic Solutions Limited · Victoria Island, Lagos

• Designed, deployed, and managed Hybrid Active Directory environments for multiple client organizations, including configuration of Group Policies (GPOs), Azure AD Connect synchronization, and seamless integration of on-premises and cloud identities.
• Manage user accounts, groups, permissions, access controls, and identity services (Active Directory, Microsoft Entra ID / Azure AD, Group Policy).
• Enforce security best practices, manage basic security tools (firewalls, endpoint protection), and support security policies.
• Install, configure, and maintain hardware (servers, storage, workstations) and software (operating systems, applications, tools).
• Administer and support Windows Server, Linux (e.g., RHEL, Ubuntu), and other operating systems.
• Implemented In-House enterprise-grade security controls including MFA, SSO (SAML/OAuth), conditional access policies.
• Performed legacy email hosting migrations (on-prem to Microsoft 365/Exchange Online & Bluehost to Microsoft 365).
• Automate routine tasks using scripting (PowerShell, Bash, Python) where possible.
• Support virtualization environments (VMware Esxi, Hyper-V).
• Perform regular backups, test restores, and maintain disaster recovery / business continuity plans.
• Troubleshoot hardware, software, network, and interoperability problems; respond to incidents and outages.
• Implement, validate, and harden systems against security controls aligned with NIST SP 800-53 (for Windows, Linux), and related guidance.
• Performed regular System patching, firmware updates, and security solution upgrades across Server instances and reduced vulnerability exposure window by 35% through accelerated patch deployment.
• Monitored system performance, resource utilization, and logs using tools such as Windows Admin Center, Performance Monitor, and Event Viewer; proactively resolve bottlenecks and potential failures.
• Documented infrastructure configurations, processes, and troubleshooting guides to improve team knowledge sharing and operational consistency.

Hex Forensics (formerly Forensics and Business Intelligence) · Abuja

• Conducted vulnerability assessments and penetration tests on web applications using industry-standard tools and Linux security distributions.
• Performed OSINT investigations, including asset tracing, fraud analysis, and geolocation intelligence.
• Supported digital forensics investigations by analyzing digital evidence and documenting technical findings.
• Collaborated with senior analysts to enhance clients' cyber resilience and security posture.

Prudential Zenith Life Insurance (Zenith Bank) · FCT, Abuja

• Executed sales and marketing strategies that increased insurance product adoption.
• Delivered excellent customer service and maintained strong client relationships.
• Collaborated with cross-functional teams to align product offerings with customer needs.

Al Ansar Foundation · Maitama, Abuja

• Provided IT support for hardware and software troubleshooting, reducing employee downtime.
• Supported system setup, OS installations, and endpoint configurations for staff systems.
• Conducted antivirus updates and routine security checks.
• Documented IT procedures to support internal knowledge sharing.