Tanguy Sang Lam
Serrehof 12 1800 Vilvoorde, Belgium | Phone: - | Email:-PROFESSIONAL SUMMARY
Network Security Engineer with expertise in risk assessment, firewall policy recertification, and regulatory compliance. Expert in
network security, technical documentation, and the integration of advanced security technology. Proficient in incident management,
technical assistance, and IT project consulting, with a focus on network architecture and optimization. Experienced in wireless
infrastructure, vulnerability, and change and incident management. Skilled in system integration, technical troubleshooting, and
performance optimization, with a strong background in Cisco networking and security solution installation.
CORE COMPETENCIES
Risk Assessment | Firewall Policy Recertification | Regulatory Compliance | Network Security | Technical Documentation | Security
Technologies Integration | Incident Management | IT Project Consulting | Network Design and Optimization | Wireless
Infrastructure Management | Technical Support | Customer Service | Cisco Networking | Security Solutions Implementation |
Vulnerability Management | Change Management | System Integration | Technical Troubleshooting | Performance Optimization
PROFESSIONAL EXPERIENCE
Network Security Engineer
Euroclear - Brussels, Belgium | January 2020 – August 2025
Project: Risk Assessment and Recertification
Technical Environment: Algosec, Palo Alto, Checkpoint, Cisco ACI, Netskope CASB, XSOAR, Python, Symantec DLP
• Conduct thorough risk evaluations of IT infrastructure project processes, identifying possible vulnerabilities and applying
effective mitigation techniques to improve overall security.
• Create and execute specific technical processes based on regulatory directions to ensure complete compliance with industry
standards and legal obligations (SWIFT, NBB, DORA and FISR audit compliance)
• Recertify firewall policies thoroughly, evaluate and update them on a regular basis to maintain a robust and secure network
architecture.
• Collaborate with the Network Engineering team to provide security advice and suggestions on the integration and
optimization of security solutions.
• Create and maintain documentation of technical processes and procedures to ensure clarity, consistency, and accessibility for
future reference and audits.
Network Security Engineer
Engie - Brussels, Belgium | April 2017 – December 2019
Project: Workflow Management
Technical Environment: Algosec, Palo Alto, Checkpoint, Fortinet
• Conducted risk assessments and executed firewall modification requests to ensure that security standards were followed and
vulnerabilities were adequately addressed.
• Managed the transfer of security rules from Checkpoint to Palo Alto, providing a smooth transition with little interruption to
network operations.
• Provided vital help to the operational team during incidents, diagnosing and addressing network security problems in a timely
manner to protect system integrity.
• Developed and maintained detailed documentation of all workflow management procedures, including risk assessments,
change requests, and incident responses, to ensure clarity and consistency for future reference and audits.
• Implemented network improvements and upgrades to enhance network speed and security.
Network Security Engineer
Bank Degroof-Petercam - Brussels, Belgium | February 2016 – March 2017
Project: Merger of Two Bank Infrastructures, Design, and Process Improvement
Technical Environment: Cisco, Juniper EX, F5 LTM, Checkpoint, Palo Alto, Juniper NS, Splunk, Bluecoat SSL Visibility, Pulse
SSL, Algosec, Infoblox, Clearswift, Cisco Prime, WLC, ISE, Nagios XI
• Designed, built, and optimized the IT infrastructure for the merger of two banks, resulting in smooth integration and
improved performance.
• Responded quickly to network and security problems, reducing downtime and protecting the integrity and security of the
bank's network.
• Created and maintained extensive documentation and processes to ensure clarity, consistency, and compliance with industry
standards and corporate regulations.
• Collaborated with cross-functional teams to facilitate seamless transitions and implementations, offering technical knowledge
and assistance throughout the merger process.
• Implemented network improvements and upgrades to enhance infrastructure dependability, security, and efficiency.
Network Engineer
Caterpillar - Brussels, Belgium | January 2015 – October 2015
• Designed, maintained, deployed, and documented Cisco network equipment to ensure high performance and reliability across
the network infrastructure.
• Configured and deployed network devices for EAME locations, including change management to ensure network stability.
• Managed wireless infrastructure, including site assessments, design, and implementation, to provide strong and dependable
wireless access.
• Resolved high-priority issues by providing timely and efficient incident management to reduce downtime and preserve
network reliability.
• Created new network designs, with IP ranges and VLANs allocated to allow a scalable and efficient network architecture.
ICT Field Engineer
Excis Ltd - France and Belgium | June 2013 – January 2015
• In France and Belgium, I offered IT project consulting services, providing customers with professional advice and technical
assistance to guarantee effective project execution and system improvement.
• Provided local IT support for Cisco France, debugging and resolving technical problems to ensure the smooth and efficient
functioning of IT systems.
• Installed Cisco telepresence equipment to improve communication and collaboration capabilities for customers in several
locations.
• Managed the migration from Windows XP to Windows 7, including extensive assistance and troubleshooting to guarantee a
smooth and efficient transition for end users.
• Updated and upgraded routers and switches to ensure that the network infrastructure was up to date and performing
optimally.
EDUCATION AND TRAINING
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Certified Information Systems Security Professional (CISSP), ISC2 | August 2025
Azure Fundamentals, Microsoft | June 2024
Systems Security Certified Practitioner (SSCP), ISC2 | October 2023
AlgoSec Security User (CASU) | April 2022
Cisco Certified Network Professional (CCNP) | January 2015
Bachelor of Computer Science, HELB | June 2012
LANGUAGES
French: Native
English: Fluent