OLUGBADE OWOLABI
Eastbourne
Summary
Results-driven Infrastructure & Identity Engineer with over 5 years of experience managing and securing Microsoft identity environments. Strong expertise in Active Directory, Entra ID (Azure AD), M365 administration, Intune, and account lifecycle automation. Proven track record implementing secure Joiner–Mover–Leaver processes, monitoring IAM systems, troubleshooting identity issues, and integrating hybrid identity services across on-prem and cloud platforms. Skilled in PowerShell scripting, compliance enforcement, and collaborating with cross-functional teams to deliver secure and scalable IAM services.
Overview
9
9
years of professional experience
4
4
years of post-secondary education
1
1
Certification
Work history
Infrastructure Engineer
MTN Telecomms
Lagos, Nigeria
02.2024 - 12.2025
- Led IAM initiatives that enhanced security protocols across 5 enterprise platforms, reducing unauthorized access incidents by 30%.
- Implemented streamlined JML processes that cut account provisioning/de-provisioning time by 40%, ensuring 100% compliance with organisational policies.
- Developed and maintained documentation for over 50 identity management workflows, creating a knowledge base that reduced onboarding time for new team members by 25%.
- Collaborated with 6 cross-functional teams to identify and mitigate identity-related risks, improving governance and reducing audit findings by 20%.
- Conducted quarterly audits of access rights for 1,000+ user accounts, reinforcing adherence to best practices and achieving full compliance in external reviews.
System Administrator
Keystone Bank Limited
Lagos, Nigeria
05.2022 - 02.2024
- Troubleshot and resolved 100+ complex AD-related issues, improving system stability and reducing recurring incidents by 25%.
- Resolved technical issues for over 500 end-users, minimising downtime and increasing overall user satisfaction scores by 15%.
- Automated 20+ administrative tasks using PowerShell scripting, saving approximately 10 hours per week in manual effort.
- Installed and configured 30+ Windows servers, providing technical support for backup, restore, and high availability setups that achieved 99.9% uptime.
- Optimised Active Directory environment by implementing group policy objects, reducing login errors by 40% and strengthening compliance.
- Maintained system security through regular patching and performance monitoring, ensuring zero critical vulnerabilities during annual audits.
- Engineered systems administration solutions that supported operational needs across 5 departments, improving workflow efficiency by 20%.
- Proactively managed Linux infrastructure to deliver 24/7 uptime, supporting mission-critical applications with 99.95% service availability.
- Administered Microsoft 365 environments (Exchange, SharePoint, OneDrive, Teams) for 1,200+ users, leveraging PowerShell to streamline provisioning and reduce support tickets by 30%.
Infrastructure Engineer
Lotus Beta Analytics
Lagos, Nigeria
12.2018 - 04.2022
- Managed deployment of new features and functionality from staging to production with 99.9% successful release rate, resolving authentication issues and email delivery failures to improve service reliability.
- Administered Microsoft 365 tenant for enterprise organisation of 500+ users, generating usage and security reports that reduced licence wastage by 18% and improved adoption of collaboration tools.
- Delivered Microsoft 365 rollout with seamless Active Directory integration, improving identity consistency and reducing login issues by 30%.
- Deployed and configured Microsoft IAM solutions, including Privileged Identity Management (PIM), to enforce Just-In-Time and Just-Enough-Access, resulting in 40% reduction in standing privileged accounts and improved compliance posture.
- Designed and implemented scalable infrastructure solutions that improved network performance by 25% and decreased system downtime.
- Consistently monitored system health, detecting incidents early and helping reduce critical outages by 20% YoY through proactive remediation.
- Created and maintained detailed infrastructure documentation, improving knowledge transfer and incident resolution time by 15%.
- Configured Networks, Compute, Storage, and Security components in Microsoft Azure to support secure hybrid identity and scalable cloud services.
IT Support Engineer
Reyson Automobile Limited
Lagos
01.2017 - 12.2018
- Assisted cross-functional team of network security engineers with deployment, configuration, administration, maintenance, and troubleshooting of network security products.
- Assisted end users in resolving technical problems and providing guidance regarding software and hardware problems.
- Supported the roll-out of new software applications, installation and configuration of hardware and software applications, monitoring, and keeping logs of all computer systems.
Education
B. Sc. Physics - Physics
Federal University of Agriculture
Abeokuta 10.2012 - 02.2017
Skills
- Active Directory & Entra ID Administration
- Linux/Windows Server Administration
- PowerShell Automation (account provisioning/deprovisioning)
- Microsoft 365, Azure Platform Security
- Email Security
- Virtualization (VMWare/Hyper-V)
- Exchange Server Administrator
- Security Monitoring & Incident Reduction
- Intune Endpoint Configuration & Compliance
- Hybrid Identity Integrations (Azure AD Connect, SSO)
- IAM Troubleshooting & Technical Support
- Identity Lifecycle (JML) & Access Provisioning
Certification
- Microsoft Certified: AI Fundamentals – Microsoft June. 2024
- Microsoft Certified: Messaging Administrator– Microsoft Jan. 2023
- Microsoft Certified: Azure Administrator– Microsoft Dec. 2022
- Microsoft 365 Certified: Modern Desktop Administrator Associate - Microsoft Apr. 2020
- Cybersecurity Program – AltSchool Africa in progress
- Security HCIA – Huawei Dec. 2020
- Routing and Switching – Huawei Dec. 2020
References
Reference Available on Request.
PERSONAL DETAILS
Research, Tech News, Training & Development, Socializing and Educating, Music.
Affiliations
- Research, Music, Football, Tech News, Socializing and Educating.
References
References available upon request.
Timeline
Infrastructure Engineer
MTN Telecomms
02.2024 - 12.2025
System Administrator
Keystone Bank Limited
05.2022 - 02.2024
Infrastructure Engineer
Lotus Beta Analytics
12.2018 - 04.2022
IT Support Engineer
Reyson Automobile Limited
01.2017 - 12.2018
B. Sc. Physics - Physics
Federal University of Agriculture
10.2012 - 02.2017