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Olanrewaju Sulaimon, Incidence Responder | IAM specialist

Olanrewaju Sulaimon

Incidence Responder | IAM specialist·9MOBILE

Nigeria

Bachelor's degree, Physics

Work experience

Total years of experience: 11 years, 5 months

Incidence Responder | IAM specialist

January 2024 - Present

9MOBILE

Abuja, Nigeria Hybrid

January 2024 - Present

• 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.

Company industry:
Telecommunications

Sec Ops & Business Development Manager

January 2020 - January 2024

Medicts Solutions Ltd

Abuja, Nigeria

January 2020 - January 2024

• 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.

Company industry:
IT Services

Systems Security Administrator

January 2018 - January 2020

VODACOM

Lagos, Nigeria

January 2018 - January 2020

• 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.

Company industry:
Telecommunications

IT Support Technician

January 2015 - January 2018

VODACOM

Lagos, Nigeria

January 2015 - January 2018

• 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.

Company industry:
Telecommunications

Education

Nasarawa State University

September 2024

September 2024

Bachelor's degree, Physics

Nigeria

University Of Pennsylvania

July 2022

July 2022

Diploma, DATA ANALYSIS USING PYTHON

United States

Lagos State Polytechnic

January 2014

January 2014

Diploma, Mechanical Engineering Technology

Nigeria

Skills

AMAZON WEB SERVICES
Intermediate
AMAZON WEB SERVICES
Intermediate
CLOUD COMPUTING
Intermediate
CLOUD COMPUTING
Intermediate
CLOUD SECURITY
Intermediate
CLOUD SECURITY
Intermediate
CYBER SECURITY
Intermediate
CYBER SECURITY
Intermediate
DATA ANALYSIS
Intermediate
DATA ANALYSIS
Intermediate
INCIDENT RESPONSE
Intermediate
INCIDENT RESPONSE
Intermediate
INFORMATION TECHNOLOGY
Intermediate
INFORMATION TECHNOLOGY
Intermediate
OPERATIONS
Intermediate
OPERATIONS
Intermediate
SECURITY INFORMATION AND EVENT MANAGEMENT SIEM
Intermediate
SECURITY INFORMATION AND EVENT MANAGEMENT SIEM
Intermediate
THREAT DETECTION
Intermediate
THREAT DETECTION
Intermediate

Training and Certifications

Certifications
certif ication in Data Analytics and python programming
Cloud Security Control Assessor
AWS Cloud Practitioner
Data Analytics U sing Python
ISC 2 Certif ied in Cybersecurity
ISO/IEC/27001 lead Auditor
CISSP (in-view)
Com pTIA CySA+ Certif ied

Hobbies and interests

TRAVELLING