Abdul Rahman A.

About Abdul Rahman A.

Cybersecurity Engineer with more than 4 years of experience securing cloud and hybrid environments across AWS, Azure, Microsoft 365, and on-prem infrastructure. Expertise includes cloud security engineering, threat hunting, SIEM/EDR operations, IDS/IPS, email security, vulnerability and patch management, and incident response, with extensive experience in SOC Tier 2/3 environments.I specialize in strengthening detection and response capabilities through threat hunting, SIEM engineering, and proactive monitoring, managing platforms such as CrowdStrike Falcon, Splunk, Rapid7 InsightIDR, and Proofpoint Email Security to improve alert fidelity and accelerate investigations.My work involves integrating the enterprise security stack, including SIEM, EDR, IDS/IPS, email security, vulnerability management, patch management, and deception technologies, enhancing visibility into attacker activity and reducing dwell time.I lead vulnerability and patch management programs using Rapid7 InsightVM and Qualys VMDR/TAS, focusing on risk-based remediation and reducing the attack surface across endpoints, infrastructure, and cloud workloads.I have strong experience securing Active Directory environments in both hybrid and on-prem infrastructures, focusing on identity security, privilege management, and remediation of AD vulnerabilities and misconfigurations.In AWS, I focus on hardening workloads and improving cloud security posture using native services like Security Hub, GuardDuty, and other AWS security controls to strengthen monitoring, threat detection, and compliance.Key results include:• Improved MTTD by 60% through threat hunting and SIEM engineering• Reduced critical vulnerability remediation time by 50%• Decreased phishing incidents and account takeovers by 70%I hold a Master’s in Cybersecurity and Information Assurance and certifications including AWS Certified Security – Specialty, AWS Certified Solutions Architect – Associate, SecurityX(CASP+), PNPT, PenTest+, CySA+, eJPT, and Rapid7 InsightIDR Specialist. I also serve as a cybersecurity instructor and mentor at Nucamp, helping aspiring professionals develop practical skills in security operations and cloud security.Passionate about building secure cloud architectures, strengthening detection capabilities, and developing scalable security operations that enable organizations to innovate securely while reducing risk.

Experience

1. Cyber Security Engineer

   WebBank

   Mar 2024 — Present · US

Education

• Applied Science University

  Bachelor's degree, Civil Engineering

• Western Governors University

  Master of Science - MS, Cybersecurity and Information Assurance

• Rice University

  Certificate, Cyber Security