Joseph Ajagba

Detail-oriented Cybersecurity Analyst with hands-on experience in threat detection, incident response, and security investigations. Skilled in SIEM analysis, intrusion detection, and log monitoring using tools such as Splunk, ELK Stack, Suricata, and Snort. Proficient in Python scripting and automation to streamline security operations.

Strong foundation in networking, security best practices, and emerging threat landscapes. Passionate about leveraging analytical skills and technical expertise to strengthen organizational security posture.

Cybersecurity Analyst at GATECH SERVICES (2025-01 – Present)

• Manage remote security monitoring and incident response for UK-based enterprise clients, specializing in distributed infrastructure defense.
• Proactively identify and escalate 10+ verified threats, including sophisticated phishing campaigns, contributing to a measurable 15% reduction in risk exposure.
• Execute end-to-end incident investigations using SIEM platforms (Splunk, ELK, Wazuh), ensuring precise triage and log analysis aligned with international incident response standards.
• Monitor and analyze global endpoint security events using Elastic Defend, identifying abnormal patterns and escalating high-severity alerts for immediate mitigation.
• Partner with cross-functional UK and international stakeholders to evaluate vulnerabilities, ensuring alignment with UK GDPR and global cybersecurity frameworks.

Junior Cybersecurity Analyst at GATECH SERVICES (2023-01 – 2025-01)

• Strengthened the regional security posture by conducting a comprehensive training gap analysis across three core business units, reducing human error-related incidents by 20%.
• Applied threat intelligence and intrusion detection techniques to local network traffic to uncover anomalies and detect Indicators of Compromise (IOCs).
• Developed and delivered targeted remediation strategies for local infrastructure, reinforcing compliance with Nigerian data protection regulations and internal standards.
• Conducted recurring phishing awareness simulations and user behavior analysis, significantly improving the organization's frontline defense through employee education.
• Authored detailed incident reports and risk assessments, creating the foundational documentation used for internal audits and operational resilience planning.
• Collaborated on the deployment of security tools and SIEM integrations to improve visibility into regional office network activity.

Customer Support Assistant at Corporate Affairs Commission (CAC) (2017-05 – 2018-04)

Bachelor of Science in Business Administration – Madonna University