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Oladayo Olaniyan

@oladayoolaniyan

Senior Cybersecurity Engineer at Beacon securing hybrid cloud environments and guiding systems through RMF assessment and authorization.

United States

Message

At Beacon, I lead vulnerability scanning and remediation across Linux and Windows servers, and secure GCP environments through cloud-native security controls. I guide systems through the RMF assessment and authorization lifecycle, including continuous monitoring and NIST 800-53 control implementation.

At the Department of Labor, I performed STIG compliance scans and hardening, supported incident response, and assessed NIST 800-53 controls for ATO packages. Earlier, I monitored security events as a Security Analyst at Sabre and secured RHEL and CentOS systems as a Linux Engineer at Pivnet.

Experience

Work history, roles, and key accomplishments

Current

Sr. Cybersecurity Engineer

Current

Beacon

Dec 2020 - Present (5 years 10 months)

Lead vulnerability scanning and remediation across Linux and Windows servers using tools such as Nessus, grype, Qualys, or Tenable.io, ensuring timely mitigation of identified risks. Applied the Risk Management Framework (RMF) to guide systems through Assessment & Authorization (A&A) lifecycle, including continuous monitoring and control implementation per NIST 800-53.

Nessus Tenable Qualys Grype RMF NIST 800 53 FedRAMP ISO 27001 DISA STIGs CIS Benchmarks ATO POA&M Jira GCP Linux Windows Server Vulnerability Management Security Assessments Continuous Monitoring

Cyber Security Engineer

Department of Labor

Aug 2018 - Dec 2020 (2 years 4 months)

Coordinate and perform STIG compliance scans and hardening for operating systems, applications, and network devices; interpret and remediate findings accordingly. Collaborate with system architects, developers, and administrators to design and implement security controls in support of system functionality and mission requirements.

DISA STIGs Nessus ACAS NIST 800 53 Incident Response Risk Assessment ATO Security Assessments Vulnerability Management System Security Plans

Security Analyst

Sabre

Jun 2017 - Aug 2018 (1 year 2 months)

Monitor security systems and alerts (SIEM, IDS/IPS, firewalls, antivirus) for potential threats, anomalies, and malicious activities. Perform threat analysis and triage to determine risk levels and appropriate responses to security events.

SIEM IDS IPS Nessus Qualys OpenVas Incident Response Threat Analysis NIST ISO 27001 Security Audits Risk Assessment Dashboarding

Linux Engineer

Pivnet

Feb 2014 - Jun 2017 (3 years 4 months)

Secure and manage RHEL and CentOS systems (versions 6, 7, and 8) across both physical and virtual environments, ensuring stability, availability, and compliance. Perform system patching and package updates using yum, dnf, or configuration management tools to mitigate vulnerabilities and maintain system health.