Obianuju O.
Senior IT Systems Administrator
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About
Obianuju O. is a seasoned IT Systems Administrator based in Lagos, Nigeria, with over a decade of experience in managing enterprise IT infrastructure and systems administration. Her expertise in network security, technical support, and cybersecurity operations is demonstrated through advanced roles such as Head of Information Technology at Tequila Nigeria Limited, where she led IT infrastructure and cybersecurity operations. She has a proven track record of reducing network downtime by 30% and enhancing security measures, achieving a 40% reduction in security incidents using Sophos security solutions. Leveraging skills in Windows and Linux environments, virtualization, and cloud technologies, Obianuju seamlessly integrates strategic planning to optimize IT operations, including the successful deployment of Windows 10 systems and secure VPN access. Her commitment to ITIL best practices ensures efficient service delivery, aligning IT initiatives with business goals and supporting business continuity.
Experience
Head, Information Technology / Systems Administrator
Tequila Nigeria Limited · 2021 — PresentManage the IT infrastructure and systems administration for the organization, overseeing cybersecurity operations and end-user support. Responsible for the development of annual IT budgets and evaluation of vendor proposals to implement cost-effective technology solutions. Handle upgrades and deployment of Windows 10 workstations while configuring secure VPN access for remote personnel. Administer Linux and Windows server environments to maintain high availability and performance. Design disaster recovery strategies to enhance business continuity and mitigate operational risks. Develop optimization strategies for network infrastructure to reduce downtime and improve performance. Manage Sophos Firewall and Endpoint Protection systems to enhance security. Implement ITIL best practices to optimize service delivery and incident management, while supporting call center applications to enhance efficiency. Perform routine monitoring, backup management, patch management, and maintenance activities.IT Support Specialist
Logiciel Information Security Solutions Limited · 2015 — 2021Provide advanced technical support for hardware, software, systems, and network-related challenges within enterprise environments. Conduct security audits and vulnerability assessments to significantly decrease the likelihood of cyberattack incidents. Implement monitoring systems proactively to enhance system availability and reduce downtime. Manage vulnerability solutions using Rapid7, setting up and maintaining endpoint security to protect organizational data. Support the rollout and testing of enterprise applications and oversee infrastructure upgrades. Maintain comprehensive technical documentation while assisting with IT compliance initiatives. Offer remote support and troubleshooting for users across both Windows and Linux systems.Junior Web Applications Specialist
Gridworx System Strategy · 2014 — 2015Collaborate with developers and various teams to design and sustain responsive web applications. Gather business and technical requirements to facilitate improvements in system functionality and performance. Assist in testing, troubleshooting, and maintaining both front-end and back-end applications. Research new technologies and propose process enhancements to boost operational efficiency.Electronic Data Processing Officer
Fareast Mercantile Co · 2013 — 2014Oversee data processing operations following best practices in data management. Coordinate the activities of data collection, processing, storage, and reporting across the organization to ensure data integrity and accessibility.Database Analyst Intern
3 Core Technologies Limited · 2011 — 2011Manage access controls and user permissions on databases while providing system support services. Enhance database performance and the efficiency of data storage and retrieval systems. Deliver on-site database administration and technical support to users.
Skills & Expertise
Education
- Bachelor of Science (B.Sc.) in Computer ScienceCrawford University · 2008 — 2012
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