Asasul Chowdhury
Senior Network Security Analyst @RBC
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WORK HISTORY
Senior Network Security Analyst @RBC
Toronto, ON, CA
Team lead Security Service Management Team, providing strategic direction and operational oversight to ensure high service availability and security compliance.• Managing and optimizing firewall policies, NAT configurations, and traffic routing across 500+ enterprise firewalls, with deep expertise including Palo Alto, Check Point, and Fortinet platforms.• Proactively identifying technical and operational gaps, assessing security risks, and recommending strategic enhancements to strengthen overall network security posture.• Serving as a senior escalation point for security incident response, conducting in-depth root cause analysis (RCA), and delivering effective technical remediation to mitigate risk and prevent recurrence.• Key contributor to the Firewall Automation Program, defining and validating technical requirements for automated VPN provisioning and firewall rule implementation; collaborating closely with DevOps teams to ensure accuracy, security, and operational efficiency.• Leading deployment and full lifecycle management of site-to-site (IPSec) VPNs for secure B2B connectivity; performing advanced firewall log analysis to support traffic optimization and security engineering initiatives.• Partnering with senior leadership to address audit requirements, ensuring adherence to regulatory, compliance, and internal governance standards.• Troubleshooting complex network security events and high-priority incident escalations, ensuring rapid resolution and minimal business impact.• Leveraging enterprise tools including ServiceNow, AlgoSec, Kibana, NetBrain, Confluence, SharePoint, Visio, and Lucidchart for workflow management, security analysis, documentation, and network visualization.• Recognized for excellence with seven “Make a Difference (MAD)” Awards and the 2023 Team Award for Technology and Operations.
EDUCATION
Ahsanullah University of Science & Technology
Bachelor of Science (B.Sc.), Computer Science and Engineering
Ryerson University
Master of Engineering (MEng), Computer Networks
University Technology Malaysia
Master of Engineering (M.Eng.), Telecommunications Engineering
SKILLS
ABOUT ASASUL CHOWDHURY
Results-driven IT and Cybersecurity professional with over 13 years of overall experience, including 7 years specializing in cybersecurity operations and enterprise firewall management (Check Point, Palo Alto, and Fortinet). Extensive background in NOC operations, data center and colocation management, with hands-on expertise in installation, configuration, administration, and troubleshooting of Cisco routers and switches, firewalls, virtualization platforms, and Linux servers.Proven ability to identify technical and operational gaps, assess risks, and implement enhancements to strengthen security posture and operational efficiency. Experienced in incident response, root cause analysis, technical remediation, and escalation management. Recognized for strong analytical and problem-solving skills, effective communication, and the ability to collaborate with senior leadership. Committed to continuous learning and staying current with emerging technologies.
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