Chibueze Obiora
Toronto,Canada
Summary
- Cybersecurity Analyst with 5+ years of experience in incident response and vulnerability remediation within hybrid environments. Proficient in analyzing firewall and application logs, managing patches, and coordinating service requests with internal teams and vendors. Proven track record in technical troubleshooting, documentation, and disaster recovery planning. Holds Security+ and CySA+ certifications, with expertise in stakeholder engagement and compliance with ISO 27001 and PCI-DSS security frameworks.
Overview
5
5
years of professional experience
1
1
Certification
Work History
IT Operations Analyst
BMO
Toronto, Ontario
07.2023 - Current
- Proactively monitored IBM mainframe systems and infrastructure health, ensuring 24/7 uptime and leading rapid incident response aligned with SLA timelines.
- Coordinated lifecycle activities (patches, updates, change enablement) and created test/implementation plans to ensure minimal disruption.
- Supported incident response by analyzing system logs, facilitating technical bridges, engaging third-party vendors, and executing escalation processes through MIRT.
- Improved service ticket triage and knowledge documentation using ServiceNow; reduced ticket backlog by 30% while enhancing root cause analysis using Dynatrace.
- Collaborated with internal ITS teams during intake and pre-consultation stages to advise on system changes, performance monitoring, and planned deployments.
- Provided after-hours support on a rotating on-call schedule, ensuring continuity of response to security alerts and service interruptions.
Security Analyst
TCN
04.2020 - 03.2022
- Performed security event monitoring and alert triage via Microsoft Sentinel and Elastic SIEM, reducing unresolved endpoint alerts by 30% across cloud and on-prem assets.
- Executed vulnerability scans using Nessus, tracked remediation timelines, and led patching cycles for critical assets before audit checkpoints.
- Developed documentation for recurring incidents, contributing to the creation of technical troubleshooting guides and lifecycle playbooks.
- Supported business continuity by identifying potential incidents, logging preemptive alerts, and collaborating on response drills.
- Provided technical guidance to internal users and stakeholders for navigating endpoint protection, phishing mitigation, and system updates.
- Tuned Defender for Endpoint policies and DLP configurations across Microsoft 365 and Azure to minimize risks and ensure compliance with corporate standards
Education
Master of Science - Cyber Security
Mohawk College
Hamilton, ON04.2023
Bachelor of Science - Computer Engineering
Covenant University
Nigeria12.2019
Skills
- Patch management
- Security monitoring
- Log and malware analysis
- Cloud security
- Phishing awareness
- Disaster recovery and business continuity
- IT asset lifecycle management
- Change enablement
- Project management
- Root cause analysis
- Technical documentation and support
- ITS intake pre-consultation
- Requirements gathering
- Service request execution
- Cross-functional collaboration
- Hardware deployment and retirement
- Performance monitoring
- Vendor coordination
Certification
- CompTIA Security +
- CompTIA CYSA +
- Microsoft Certified: Security, Compliance, and Identity Fundamentals
Projects
Phishing IR Playbook Development
Developed modular playbooks for response to email compromise, lateral movement, and data exfiltration.
Security Awareness Training Program
Led phishing simulations and new hire onboarding modules, resulting in a 40% drop in preventable security violations within 6 months.
Incident Response Lifecycle Optimization
Designed and implemented standard playbooks for credential theft, malware outbreaks, and insider threats. Delivered tabletop exercises to validate readiness and cross-team coordination—reducing response time by 20%.
Timeline
IT Operations Analyst
BMO
07.2023 - Current
Security Analyst
TCN
04.2020 - 03.2022
Master of Science - Cyber Security
Mohawk College
Bachelor of Science - Computer Engineering
Covenant University
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