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REJOICE OKAFOR

@rejoiceokafor

Results-driven Cybersecurity Engineer with expertise in cloud security.

Nigeria
Message

What I'm looking for

I am seeking a role that fosters growth in cybersecurity, emphasizes collaboration, and offers opportunities to enhance my skills in cloud security and compliance.

I am a results-driven Cybersecurity Engineer with over 3 years of hands-on experience in securing Microsoft Azure and hybrid cloud environments. My specialization lies in threat detection, cloud compliance, and Zero Trust Architecture utilizing Microsoft and AWS tools. I have a proven ability to lead enterprise-wide XDR deployments, enforce security automation, and align security operations with ISO 27001, NIST, and GDPR standards. My efforts have successfully automated governance, reduced risk, and enhanced incident response efficiency by over 50%.

In my current role as a Senior Cybersecurity Engineer at Infinion Technologies, I have led the end-to-end deployment of Microsoft Defender XDR, Sentinel, and other security tools for over 10 clients, securing more than 5,000 identities and workloads. I have enforced Conditional Access and MFA policies, significantly cutting unauthorized access by 60%. My technical expertise extends to automating user access provisioning and managing internal vulnerability lifecycles, which has decreased risk exposure by 40%. I am adept at collaborating with stakeholders to drive enterprise security maturity and ensure compliance with industry standards.

Experience

Work history, roles, and key accomplishments

IT
Current

Senior Cybersecurity Engineer

Infinion Technologies

Apr 2023 - Present (2 years 5 months)

Led end-to-end deployment of Microsoft Defender XDR, Sentinel, Entra ID, Defender for Cloud, and Purview for over 10 clients, securing 5,000+ identities and workloads. Automated provisioning of user access/security policies using PowerShell, ARM, and Azure Blueprints, reducing manual efforts by 50%.

Education

Degrees, certifications, and relevant coursework

MU

Michael Okpara University of Agriculture, Umudike

B.Sc., Plant Science & Biotechnology

2017 - 2022

Grade: First Class Honors

Graduated with First Class Honors in Plant Science & Biotechnology. The curriculum provided a strong foundation in scientific research and analytical methodologies.

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REJOICE OKAFOR - Senior Cybersecurity Engineer - Infinion Technologies | Himalayas