Obasanmi Ogunkeye

Systems Administrator & IT Specialist with 6+ years of experience managing core IT infrastructure, cloud services, network hardware, and end-user operations. Hands-on experience administering Microsoft 365 (Exchange, SharePoint, Entra ID), Active Directory Domain Controllers, and network equipment (Cisco/Fortinet firewalls, switches, Wi-Fi access points). Work regularly with HR and department leads to run user onboarding/offboarding, maintain data backup and disaster recovery plans, and execute internal IT audits.

IT Support & Systems Administrator at BAO Systems (2024-09 – Present)

• Administered Microsoft 365 tenant for 300+ staff, overseeing Exchange Online, SharePoint permissions, and Entra ID user access.
• Conducted monthly Tenable/Nessus enterprise vulnerability scans, root-cause analysis, and remediation tracking across Ubuntu Linux environments.
• Handled L2/L3 infrastructure support escalations, verifying third-party cloud integrations and reproducing software issues.
• Partnered with HR on the employee IT lifecycle, handling account creation, tool provisioning, and offboarding across M365, Google Workspace, AWS, Azure, and Slack.
• Managed corporate network hardware, including Cisco and Fortinet firewalls, site-to-site VPNs, DNS/DHCP configurations, and office Wi-Fi setups.
• Ran automated daily backup routines, testing data restores periodically to verify system recovery readiness.
• Deployed device security policies on Windows and Mac workstations using Intune, enforcing full-disk encryption and routine patch updates.
• Maintained complete IT inventory records, system documentation, and user SOPs in Confluence.

Customer Support Analyst at BAO Systems (2022-09 – 2024-08)

• Supported cloud application uptime and monitored server metrics for enterprise accounts, maintaining high platform availability.
• Applied Microsoft Intune security baselines and device compliance rules across company laptops.
• Coordinated hardware procurement and license renewals with third-party software and hardware vendors.

Software Technical Support Engineer L3 at Tek Experts (2022-03 – 2022-08)

• Acted as senior escalation contact for complex infrastructure support cases across EMEA, APJ, and AMS regions.
• Improved operational efficiency by 20% by authoring IT support guides, user FAQs, and standardized troubleshooting playbooks.

Software Technical Support Engineer (L1/L2) at Tek Experts (2020-08 – 2022-02)

• Provided Tier 1 and Tier 2 support for desktop OS, local printers, virtual machines, and core software applications.
• Monitored security tools, assisted with server updates, and participated in scheduled disaster recovery drills.
• Built VM test environments to reproduce reported system bugs and verify fixes.

IT & Network Engineer at SimbaNet (2019-11 – 2020-01)

• Supported physical office networks, monitoring DNS, DHCP, Wi-Fi access points, and router hardware setups.

B.Eng. in Information & Communication Engineering – Covenant University (2018)