Ajibola Aji Olojo
Senior Cloud Security Engineer @Merkle
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WORK HISTORY
Senior Cloud Security Engineer @Merkle
Lead cloud security engineering across AWS, Azure, and OCI for financial, marketing, and healthcare clients, designing zero-trust architectures, micro-segmentation, and identity-driven access to reduce lateral movement and meet compliance needs.• Implement DevSecOps guardrails by integrating Prisma Cloud, Checkov, Snyk, and SonarQube into GitHub Actions and GitLab CI/CD pipelines, preventing 500+ insecure builds and improving policy-aligned code coverage by 70%.• Build and tune Microsoft Sentinel workbooks, KQL analytics, and automation rules to detect credential abuse, impossible travel, anomalous API usage, and container threats, reducing MTTD by 55% and alert fatigue by 40%.• Establish a vulnerability management program using Tenable Nessus, Jira, and automation to prioritize risk by asset criticality and exploitability, increasing SLA compliance from 62% to 96% and reducing critical findings by 45%.• Develop Python-based enrichment and SOAR playbooks leveraging threat intelligence and MITRE ATT & CK mappings to support proactive threat hunting and uncover previously undetected persistence and lateral movement.• Conduct cloud security posture assessments using CIS Benchmarks, NIST 800-53, and FedRAMP mappings, delivering gap analyses, remediation plans, and audit-ready evidence with zero high-risk findings.• Design and enforce centralized IAM governance using Azure AD/Entra ID, Okta, and AWS IAM, standardizing RBAC, Conditional Access, MFA, and SCIM provisioning to reduce over-privileged access by 60%.• Partner with GRC and stakeholders to develop cloud security standards, data classification policies, and incident response runbooks aligned with audit and business requirements.• Mentor junior engineers and client teams on DevSecOps, secure IaC, and SIEM/SOAR practices to build sustainable internal security capability.
EDUCATION
Prairie View A&M University
Bachelor of Science - BS, Chemical Engineering
ABOUT AJIBOLA AJI OLOJO
Security Engineer with 8+ years of experience securing and automating cloud and hybrid infrastructure across FedRAMP, HIPAA, and NIST 800-53 environments. Proven track record reducing CVE exposure by 40%+, improving audit readiness by 80% and accelerating compliance cycles by 30% through security-as-code, DevSecOps and Terraform-driven guardrails. Hands-on expertise in AWS, Azure and Oracle Cloud (OCI), vulnerability management, SIEM/SOAR engineering, IAM governance, container security and EDR. Known for translating complex security risk into actionable technical controls, partnering with DevOps, GRC and product teams to build zero-trust, resilient and compliant cloud platforms. Strong focus on Python automation, detection engineering and ATT & CK-mapped threat modeling to turn risks into meaningful detections, runbooks and preventive controls.
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