Eric O

About Eric O

Experienced IT pro managing identity in Active Directory/Azure AD. Expertise in AD infrastructure design, deployment, and management. Skilled in server/PC OS, AD, Windows 2003, WDS, and System Center. Accomplished IAM Engineer with strong IGA, access management, and PAM skills. Proficient in Lift, Shift, Optimize Hybrid/Legacy Cloud Infrastructures, IAM/PAM, Office 365 on boarding.Troubleshooting and problem-solving prowess for tailored solutions

Experience

1. System Engineer Active Directory Engineer Azure Ad System Admin Support Engineer

   Microsoft

   Aug 2023 — Present

   Administered and maintained Linux servers running various distributions (e.g, Ubuntu, CentOS, RHEL) in production environments. Installed, configured, and optimized core services such as Apache, Nginx, MySQL, PostgreSQL, and SSH. Managed user accounts, permissions, and file system security using tools like sudo, chmod, and chown.• Deployed and managed Linux and Windows systems in both on-premises and cloud environments (e.g, AWS, Azure). Worked with virtualization technologies like VMware and Hyper-V to create and manage virtual machines.• Migrated 125 legacy web apps into Azure AD, unifying authentication via single sign-on, reducing login friction for 50K users, and introducing granular attribute-based access controls aligned with Zero Trust principles. This ensured least privilege access and enhanced overall security posture.• Automated user provisioning and de-provisioning through PowerShell scripts invoked from Azure DevOps release pipelines, slashing manual efforts by 75% and minimizing security risks. Created additional scripts to automate routine tasks, significantly improving operational efficiency.• Provided exceptional tier-1 and tier-2 technical support for Microsoft 365 services, including Exchange Online, SharePoint, Teams, and OneDrive. Logged over 100 tickets per month, achieving a 95% customer satisfaction rate based on help desk survey responses. Developed comprehensive training guides and job aids for new service desk hires, reducing ramp-up time by 30%. Managed an Office 365 environment supporting 500 users, maintaining an impressive 99.9% uptime.• Implemented robust security measures, including configuring and deploying Intune policies to secure 300 mobile devices and corporate data. Conducted regular security assessments, identified vulnerabilities, and implemented effective remediation strategies. Collaborated with cross-functional teams to implement security policies, compliance regulations, and data loss prevention measures.•

Education

• Eastern Mediterranean University

  Bachelor's degree, International Business

• University of Warwick

  Master's degree, Logistics, Materials, and Supply Chain Management

• University of Lagos

  Associate's degree, Sociology