Emmanuel Omena
System Administrator | Cybersecurity Analyst
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About
My name is Emmanuel Omena. I am a System Administrator with over three years of experience managing IT infrastructure in an enterprise environment. I also possess several technical certifications which I have gained through my diligent commitment to learning new technologies.
With my last company, I was named the top service technician last year because of my efficiency. I love organizing projects, and I make it a point to complete each on time, I also enjoy problem solving and open to new and exciting challenges in the field of Information Technology.
Experience
As a System Administrator, I have experience.
- installing, configuring, and upgrading operating systems and software on servers and workstations, achieving a 99% uptime rate for critical systems.
- Monitoring system performance and ensuring optimal operation of all systems, resulting in efficient system responsiveness and service delivery.
- Managing user accounts, permissions, and access controls, to mitigate issues of unauthorized access incidents through strict access control measures and Group Policy.
- Conducting regular backups and ensuring data integrity and availability, leading to a 100% data recovery success rate during system failures.
- Troubleshooting hardware and software issues and providing technical support to users, resolving 90% of reported issues within a 24-hour timeframe.
- Implementing security measures to protect systems from cyber threats and unauthorized access, reducing security incidents to the minimum.
- Implementing vulnerability management plan to ensure timely system upgrades and patches, resulting in a 95% patch compliance rate.
- Documenting system configurations, procedures, and troubleshooting steps, to improve system maintenance efficiency.
- Collaborating with other IT teams to ensure seamless integration of systems and applications, enhancing cross-functional communication and project delivery.
- Conducting system audits and ensured compliance with organizational policies and industry regulations, achieving a 100% compliance rate during internal and external audits.
- Managing corporate network access and configuring security tools such as firewalls, routers, switches, VPNs, IDS/IPS, and SIEM, to enhance network security and reduce security incidents.
- Monitoring security alerts from security tools against normal baseline analysis, detecting and responding to security incidents proactively.
- Ensure proper backup and synchronization of on-premises data to the cloud as part of the company's disaster recovery procedure, improving data recovery capabilities.
- Spearheaded the migration of the company's on-premises infrastructure to Azure Cloud services, improving business functionality by 10% and reducing operational costs by 15%.
- Tested and Analyzed Phishing emails in a virtualized environment while also deploying secure email policy framework to mitigate email and domain spoofing.
Education
Associate's degree in information technology
Bachelor's degree in Cybersecurity (In View)
CompTIA Security + Certified
CompTIA & TestOut Network Professional