Oluwagbemiga is available for hire
Hire OluwagbemigaOluwagbemiga Joseph
Verified Expert in Engineering
Security Architect Developer
Dubai, United Arab Emirates
Toptal member since November 22, 2022
Bio
Oluwagbemiga is a lead cybersecurity architect proficient in digital computing security and engineering with a particular interest in information security, vulnerability assessment, penetration testing, risk management, security operations center, cloud security, DevSecOps, and open banking.
Portfolio
Emirates NBD
Azure, Identity & Access Management (IAM), Cloud Security...
Ultimate Tax Service, Inc
IT Security, Amazon Web Services (AWS), Ethical Hacking, Vulnerability Scanning...
Flipp Productions LLC
Amazon Web Services (AWS), IT Security, Network Monitoring, Network Security...
Experience
- Cloud Security - 9 years
- Cybersecurity - 8 years
- Azure - 8 years
- Security Software Development - 6 years
- Information Technology - 5 years
- Security Engineering - 4 years
- Amazon Web Services (AWS) - 4 years
Work Experience
Lead Security Architect
2021 - PRESENT
Emirates NBD
- Configured periodic scans on all cloud services by enabling Azure security center and AWS security hub. The score is a threshold of 85%, as anything below that is termed unacceptable.
- Configured cloud and enterprise communications via only a private endpoint, leveraging the site-to-site virtual network configuration.
- Performed periodical gap analysis on the cloud service capabilities. This helps to benchmark the cloud platform's maturity, transparency, and compliance with enterprise security standards like ISO 27001 and regulatory standards, namely PCI DSS.
- Strove to discover the security mechanisms, including key management and data encryption, if or when available, and tune it to meet standards and policies.
- Advised the application and infrastructure team on how to fix emerging vulnerabilities on time.
- Enabled end-to-end application logging of all security events, which helped create an end-to-end transaction view with non-repudiation characteristics.
- Configured and maintained tools for web application firewall, data loss protection, file integrity monitoring, IAM, and database activity monitoring.
Technologies: Azure, Identity & Access Management (IAM), Cloud Security, Zero-day Vulnerabilities, Threat Modeling, Cloud, APIs, Vulnerability Assessment, Architecture, Security Architecture, NIST, PCI, Information Security, SAML, OAuth, CISSP, Cloudflare, Azure Network Security Groups, Antivirus Software, Windows, Application Security, SOC 2, Okta, Risk Assessment, Information Assurance, CI/CD Pipelines, Endpoint Security, CloudOps, Terraform, JavaScript, MongoDB, Encryption, Data Governance, Webflow, Ethical Hacking, Vulnerability Scanning, Zero Trust Network Access (ZTNA), AI Security, Agentic AI Systems, Agentic AI, Continuous Integration (CI)
Security and AWS Expert
2024 - 2025
Ultimate Tax Service, Inc
- Conducted regular audits to assess the security posture of our systems and implement necessary improvements.
- Developed and maintained documentation related to security practices, AWS infrastructure setup, and deployment procedures.
- Oversaw the AWS infrastructure setup, ensuring that it's healthy, optimized, and aligned with industry best practices.
Technologies: IT Security, Amazon Web Services (AWS), Ethical Hacking, Vulnerability Scanning, Zero Trust, Information Security Management Systems (ISMS)
Network Security Engineer | Mobile Farm Automation
2024 - 2025
Flipp Productions LLC
- Built an infrastructure for seamless device and cloud service integration for a mobile device farm.
- Implemented proxy avoidance, proxy assignment, and IP rotation strategies.
- Ensured network security via VPNs, encryption, and firewall implementations.
Technologies: Amazon Web Services (AWS), IT Security, Network Monitoring, Network Security, Ethical Hacking, Continuous Integration (CI), Information Security Management Systems (ISMS)
Penetration Tester
2024 - 2024
Analytics Simplified
- Conducted vulnerability assessments and risk analysis of client's web application. Utilized industry-standard tools and methodologies to identify security weaknesses.
- Performed black box penetration testing on the client's web application with a focused reference to the SAML SSO functionality.
- Documented findings in detailed reports, including the nature of vulnerabilities, potential impact, and recommended remediation steps. Presented findings and recommendations to technical and non-technical stakeholders.
Technologies: Penetration Testing, IT Security, SAML, SAML-auth, Single Sign-on (SSO), Access Control, Amazon Web Services (AWS), Algorithms, Application Security, JavaScript, MongoDB, Encryption, Ethical Hacking
Senior CloudOps Engineer
2024 - 2024
Foundever
- Deployed Keycloak instances using Terraform and Helm.
- Installed, configured, and managed Keycloak instances using infrastructure as a code. Integrated Keycloak with various applications and services, ensuring seamless authentication and authorization.
- Ensured security best practices were followed in Keycloak configurations and implementations. Updated Keycloak configurations to address security vulnerabilities and compliance requirements.
Technologies: Keycloak, Security, CloudOps, Kubernetes, Argo CD, Terraform, Encryption, Google Cloud Platform (GCP), Python, Continuous Integration (CI)
Azure Security Engineer
2023 - 2024
Outdoor Living Supply
- Implemented best practices for Azure service principal, Key Vault, and identity and access management (IAM).
- Evaluated the use of privileges, credentials, and secrets to support the development of Power Automate workflows and Dataverse, as well as Power BI workflows and Power Apps development.
- Documented and enforced security best practices around the usage of service accounts and service principals in an enterprise setting.
Technologies: Identity & Access Management (IAM), SecOps, Azure Key Vault, Azure, SharePoint, Encryption, Email, Zero Trust
Google Workspace and Hosting Expert
2023 - 2023
Peacock Media
- Carried out the clean up of an unused domain. Reviewed the client's Google Workspace to find anomalous activities. Assisted with the domain transfer from register to Azure DNS.
- Reviewed Google Drive to check for unauthorized activities, reviewed profile sync settings and start up configurations, filtered admin logs for email recovery action and inaction, and discovered some disparity in Google logs presentation.
- Completed the security review and concluded the SOW around security optimization of the entire client's Google Workspace.
Technologies: Business Services, Security, Google Workspace, IT Security, Web Security, Gmail, VPN, Email
SecOps Engineer | White Hat Hacker
2023 - 2023
DadGum Marketing, LLC
- Conducted security audits of cloud configurations to ensure compliance with security best practices.
- Evaluated the security of cloud-based systems and infrastructure. Introduced cloud tooling to protect organizations against DOS and DDOS attacks.
- Prepared detailed reports outlining vulnerabilities, risks, and recommended remediation strategies.
- Worked closely with the DevOps engineer and lead software developer to address security concerns and implement solutions.
Technologies: Database Security, Penetration Testing, Security, IT Security, Cybersecurity, Certified Ethical Hacker (CEH), Risk Assessment, SecOps, Web Security, Keycloak, TypeScript
Cloud Solutions Engineer
2023 - 2023
UWS ie Ltd.
- Deployed Prometheus/Grafana and ELK, mainly for back-end services.
- Created backup and redundancy for the services, like AKS and Datastores, for high availability and fault tolerant systems.
- Enforced security advisory recommendations and improved security score from 42% to 85%.
Technologies: Azure, Prometheus, Azure Kubernetes Service (AKS), GitOps, Application Monitoring, Logging, Azure Monitor, Kubernetes, CI/CD Pipelines, Keycloak, CloudOps, Continuous Integration (CI)
Senior Security Analyst
2021 - 2022
Bitso
- Developed tools for automated build, test, deployment, and management of the platform.
- Improved continuous integration and delivery systems by adopting a shift left security framework.
- Monitored system events to ensure health, maximum system availability, and service quality. Performed system and application patching.
- Designed, built, deployed, and maintained AWS resources, including VPC, security groups, IAM, AWS Inspector and Detective, CloudFront, GuardDuty, CloudTrail, CloudWatch, S3, AWS Security Hub, AWS Shield, AWS, and AWS Secrets Manager.
- Participated in the definition of standards, guidelines, and best practices.
Technologies: Amazon Web Services (AWS), AWS IAM, System-on-a-Chip (SoC), GitHub Actions, SQL, Cloud Security, Linux, Threat Modeling, SecOps, Vulnerability Assessment, Architecture, Security Architecture, PCI, Risk Management, SAML, OAuth, Cloudflare, Antivirus Software, Monitoring, OWASP Top 10, Application Security, Security Audits, Risk Assessment, Information Assurance, ISO 27001, CI/CD Pipelines, Kali Linux, Data Loss Prevention (DLP), Endpoint Detection and Response (EDR), Endpoint Security, JavaScript, Email, Zero Trust Network Access (ZTNA), Zero Trust, Continuous Integration (CI), Certified Information Systems Auditor (CISA), Information Security Management Systems (ISMS)
Information Security Architect
2020 - 2021
Standard Bank South Africa
- Sourced and implemented new security solutions to better protect the organization.
- Enforced security standards by adopting spoofing, tampering, repudiation, information disclosure, denial of service, and elevation of privilege (STRIDE) and ISO 27001 SOC2 type 2 regulations and frameworks.
- Supported the DevSecOps pipeline that performs quality assurance and validation using Compliance-as-code files.
- Acted as a cybersecurity technical lead in product and vendor selection, providing the security evaluation of products, options, and responses to tenders.
- Protected the organization's cloud and on-premises infrastructures, monitored data to identify suspicious activity, and identified and mitigated risks before a breach occurred.
- Identified current and emerging technology issues, including security trends, vulnerabilities, and threats.
- Performed vulnerability assessment and penetration testing on computer systems, networks, and applications, generally in a vacuum.
Technologies: Azure, DevOps, Shell, Penetration Testing, Vulnerability Management, Azure DevOps, Azure PaaS, Cloud Security, DevSecOps, Authentication, SecOps, Vulnerability Assessment, Security Architecture, NIST, PCI, SAML, OAuth, Azure Network Security Groups, Monitoring, Windows, OWASP Top 10, Application Security, Compliance, On-premise, Security Audits, Information Assurance, Stakeholder Management, ISO 27001, Kali Linux, Data Loss Prevention (DLP), Keycloak, CloudOps, STRIDE, Email, Zero Trust, Continuous Integration (CI), Information Security Management Systems (ISMS)
Enterprise Integration and Security Architect
2018 - 2020
Fidelity Investments
- Enforced secure coding standards by adopting the Open Web Application Security Project (OWASP) and assisted in threat modeling activities using STRIDE and MITRE Adversarial Tactics, Techniques, and Common Knowledge (ATT&CK) Standards.
- Drove the adoption of CI/CD, Azure DevSecOps, using the Agile Scrum Framework across all the software development teams of the bank.
- Managed CI/CD efforts for cloud application development and deployment.
- Designed, built, deployed, and maintained the cloud stack, including Azure VMs and Kubernetes, integrated solely into the Azure DevOps release pipelines.
- Guided development teams with suggestions for frameworks, architecture, and other technologies.
- Engineered and tuned the cloud security solutions for enrollments, monitoring, alerting, and maintaining defined security posture in Azure and AWS.
- Planned and executed the migration of legacy applications to the cloud and engineered the API manager of the bank leveraging Azure.
Technologies: Azure, Oracle, SQL, DevOps, GitHub Actions, Azure PaaS, Cloud Security, Penetration Testing, Vulnerability Assessment, Authentication, SecOps, Architecture, Security Architecture, PCI, Risk Management, SAML, OAuth, Monitoring, OWASP Top 10, Application Security, Compliance, On-premise, Stakeholder Management, Kali Linux, Data Loss Prevention (DLP), Keycloak, CloudOps, Zero Trust, Continuous Integration (CI), Information Security Management Systems (ISMS)
Network Security Engineer
2015 - 2018
IHS Holding
- Installed and configured computer networks and systems.
- Monitored the performance of systems and services, documented trends, and initiated action.
- Identified and solved any problems that arose with computer networks and systems.
- Monitored computer networks and systems to identify how performance could be improved.
- Configured firewalls, routers, switches, and rules of the access control list (ACL).
Technologies: Cisco, Aviatrix, IT Manufacturing, Palo Alto Networks, SQL, Architecture, PCI, Risk Management, SAML, Cloudflare, Stakeholder Management
Project History
Digital Banking Application
A digital bank app with insurance, everyday banking, credit, and stock trading for over 30 million customers.
The system was built on a microservice pattern, orchestrated with Azure Kubernetes service, and managed databases in a cloud environment. Other endpoints and integration via APIs to third-party are also enabled on a subscription basis via a developer portal.
The system was built on a microservice pattern, orchestrated with Azure Kubernetes service, and managed databases in a cloud environment. Other endpoints and integration via APIs to third-party are also enabled on a subscription basis via a developer portal.
Corporate Banking App
This application was designed to allow digital onboarding for corporate customers and allow seamless banking. This application is currently used across five countries and has generated revenue for the bank.
Developer Portal for Open Banking
An API management portal based on Azure API Management service that helps the bank to create custom APIs, transform these APIs, and abstract the internal content of such APIs. This portal allows third-party clients to connect with some of the out-of-the-box open banking offerings and can easily subscribe.
Education
2018 - 2019
Master's Degree in Information and Communication Technology
Bayero University Kano - Kano, Nigeria
2009 - 2014
Bachelor's Degree in Computer Engineering
Federal University of Technology - Minna, Nigeria
Certifications
NOVEMBER 2022 - NOVEMBER 2024
Microsoft Certified: Azure Solutions Architect Expert
Microsoft
NOVEMBER 2022 - NOVEMBER 2025
Certified Information Systems Security Professional (CISSP)
isc2
OCTOBER 2022 - PRESENT
API Security Architect
API Academy
JULY 2022 - JULY 2025
Certified Information Security Auditor (CISA)
ISACA
JULY 2022 - JULY 2025
Certified Information Security Manager (CISM)
ISACA
JUNE 2022 - JUNE 2025
AWS Certified Security | Specialty
Amazon Web Services (AWS)
OCTOBER 2020 - PRESENT
Foundations of Operationalizing MITRE ATT&CK
AttackIQ
AUGUST 2020 - AUGUST 2023
Aviatrix Certified Engineer | Multicloud Network Associate
aviatrix
AUGUST 2020 - AUGUST 2024
Microsoft Certified: Azure Security Engineer Associate
Microsoft
JUNE 2020 - JUNE 2023
AWS Solutions Architect Associate
Amazon Web Services (AWS)
FEBRUARY 2020 - FEBRUARY 2023
CompTIA Security+ Certification
CompTIA
Skills
Libraries/APIs
React
Tools
Azure Network Security Groups, Google Workspace, Shell, Keycloak, CloudOps, Terraform, Auth0, GitHub, AWS IAM, Azure Kubernetes Service (AKS), Logging, Azure Monitor, VPN, Azure Key Vault
Languages
Python, SAML, JavaScript, SQL, Embedded C, TypeScript
Paradigms
Security Software Development, Penetration Testing, DevSecOps, DevOps, Continuous Integration (CI), Azure DevOps
Platforms
Amazon Web Services (AWS), Azure, Azure PaaS, Azure IaaS, Linux, Kali Linux, Windows, Google Cloud Platform (GCP), Webflow, Oracle, Kubernetes, SharePoint
Industry Expertise
Cybersecurity
Storage
Database Security, MongoDB, On-premise
Other
Web Security, IT Security, Identity & Access Management (IAM), Cisco, Cloud Security, Cloud, OWASP, Threat Modeling, Security, Authentication, SecOps, Architecture, Security Architecture, Security Engineering, Cloudflare, Azure Cloud Security, Antivirus Software, Monitoring, OWASP Top 10, Application Security, Compliance, Risk Assessment, ISO 27001, CI/CD Pipelines, Endpoint Security, Encryption, Data Governance, Ethical Hacking, Zero Trust Network Access (ZTNA), Zero Trust, Agentic AI Systems, Certified Information Systems Auditor (CISA), Information Security Management Systems (ISMS), IT Audits, IT Operations Management (ITOM), Identity, Access Control, Vulnerability Assessment, EVoting, Networking, Cryptography, Red Teaming, NIST, APIs, PCI, Risk Management, Communication, Network Security, Information Technology, OAuth, IDS/IPS, SOC 2, Okta, Security Audits, Information Assurance, Stakeholder Management, Data Loss Prevention (DLP), Endpoint Detection and Response (EDR), Email, Vulnerability Scanning, Agentic AI, Azure VDI, Asset Protection, Zero-day Vulnerabilities, Vulnerability Management, System-on-a-Chip (SoC), GitHub Actions, Aviatrix, IT Manufacturing, Palo Alto Networks, IoT Security, Informatica Cloud, Cryptographic Protocols, Algorithms, Programming, Cyber Forensics, Data-level Security, MITRE ATT&CK, Cybersecurity Operations, Firewalls, API Gateways, Incident Management, Information Security, CISSP, CISM, Infrastructure as Code (IaC), Microsoft 365, Prometheus, GitOps, Application Monitoring, Certified Ethical Hacker (CEH), Business Services, Gmail, STRIDE, Argo CD, SAML-auth, Single Sign-on (SSO), Network Monitoring, AI Security
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