Olanrewaju Sulaimon

• Lead enterprise-wide threat detection and incident response across hybrid environments, with a strong focus on securing
AWS cloud infrastructure and on- premise environments monitoring and securing of endpoints and servers in real-time.
• Monitor, detect, and respond to advanced threats using SIEM platforms (Splunk, Microsoft Sentinel) alongside AWS-native
security services.
• Implement and manage IAM security controls both on cloud and on-premise environments including IAM, CloudTrail, Guard
Duty, CyberArk, Active Directory and Security Hub, implementing secure access controls, privileged access management,
role-based permissions and identity governance.
• Design and optimize SIEM correlation rules and automated response playbooks, reducing incident response time by 35%.
• Lead threat hunting initiatives, identifying misconfigurations, anomalous behaviour, and potential compromise within both
cloud and on-premise environments.
• Oversee vulnerability management across cloud and on-prem systems, prioritizing remediation based on risk and business
impact.
• Ensure compliance with ISO 27001, NIST, and cloud security best practices, supporting internal and external audits.
• Collaborate with DevOps and cloud engineering teams to enforce secure configurations, least privilege access, and
continuous monitoring.

• Engaged with clients and stakeholders to understand business needs and align cybersecurity solutions such as secured manageme nt
systems and managed security offerings.
• Designed and implemented advanced SIEM rules, log correlation strategies, and automated alerts to reduce manual monitoring
effort and improve response time by 35%.
• Oversee scheduled vulnerabilities scanning of endpoints, patch management, updates and produce real time reports on detected
threat and mitigations carried out.
• Coordinated cross-departmental cybersecurity audits, ensuring compliance with internal policies and external standards, including
ISO 27001 and NIST Cybersecurity Framework.
• Facilitated knowledge transfer sessions, cyber workshops, and on-the-job training, equipping junior analysts with expertise in
malware detection, phishing analysis, and threat hunting techniques.
• Produced executive-level reports on SOC performance, threat trends, and incident metrics to inform strategic decision-making and
security investment.

• Monitored, triaged, and analyzed security events from firewalls, IDS/IPS, endpoints, and cloud systems, escalating confirmed
incidents to senior analysts.
• Coordinated troubleshooting, resolution of critical IT incidents and supervise day to day operations of IT infrastructure tea ms.
• Performed vulnerability scans and risk assessments, identifying security gaps and collaborating with IT teams to implement
corrective measures.

• Responded to incoming help requests from users via a ticket tracking system, email, or phone in a prompt and courteous manner.
• Prioritized and scheduled help requests, escalating requests (when required) to the appropriate staff or outside support vendor.
• Provided troubleshooting and facilitated solutions to hardware and software problems and coordinated the work of outside vendors.
• Interacted effectively with Government users and program management, as well as project team members.
• Performed hands-on fixes at the desktop level, including installing and upgrading software, installing hardware, installing anti
virus software, and configuring systems and applications.
• Worked closely with end-users to assess business requirements, support change, and deliver high-quality customer experiences.
• Collaborated with team members in virtual environments to optimize field experience and development capabilities. Provided
technical support throughout the development phases of new products.
• Managed and prioritized allocated incoming support tickets. Provided remote support for product functionality, maintenance,
and troubleshooting. Supported out-of-hours service by working unsociable hours on-call. Communicated technical concepts to
customers clearly by phone, email, and online chat.