Ayodeji Atejioye

About Ayodeji Atejioye

Experienced Security Consultant and Incident Response Specialist with over 10 years of…

Experience

1. Network Security Analyst

   Optimum Healthcare IT

   Sep 2025 — Present · UT, US

   Monitor network traffic and security alerts using tools like SIEM (Splunk, QRadar, ArcSight) to detect and respond to threats in real time.• Analyze security incidents and perform incident response (IR), including containment, eradication, and recovery steps.• Implement and manage firewalls, IDS/IPS, and VPNs to protect internal and external network boundaries.• Conduct vulnerability assessments and coordinate penetration testing to identify and remediate security weaknesses.• Manage and maintain endpoint security tools such as antivirus, EDR, and DLP solutions.• Perform log analysis and correlate security events to detect anomalies or suspicious activity.• Ensure compliance with security standards and frameworks (NIST, ISO 27001, CIS Controls, SOC 2, PCI-DSS).• Document and report findings from security events, incidents, and audits for management review.• Collaborate with IT and DevOps teams to strengthen network architecture and enforce zero-trust security principles.• Develop and update security policies and procedures for network access, monitoring, and data protection.• Manage access control through Active Directory (AD), IAM, and MFA systems to maintain least-privilege access.• Configure and maintain security infrastructure — routers, switches, load balancers, and network appliances.• Respond to phishing, malware, and intrusion attempts, ensuring minimal downtime and data exposure.• Support security awareness training and assist in user education on safe network practices.• Perform regular patch management and system hardening to reduce attack surface.• Generate threat intelligence reports and recommend mitigation strategies.