Senior IT Security Analyst

Walid Ben Abdallah

Proven cybersecurity professional with over 11 years of experience in incident response, penetration testing, and vulnerability management. Expert in leading cross-functional teams to secure large-scale IT environments, emphasizing incident detection, analysis, and mitigation. Adept at implementing security best practices and tools to enhance organizational cybersecurity posture.

Certifications


  • Certified Security Analyst (ECSA)

    EC-COUNCIL

  • Certified Ethical Hacker (CEH)

    EC-COUNCIL

  • ITIL® Foundation V3

    EXIN

PROFESSIONAL EXPERIENCE


  • -
    QATAR CHARITY , Senior IT Security Analyst
    • Led strategic projects to enhance the organization’s cybersecurity posture, including: Brand Intelligence, Attack Surface Management, Cyber Threat Intelligence, Dark Web and Cyber Crime Monitoring

    • Lead IT security incident response activities, ensuring rapid detection, analysis, and containment of security breaches.

    • Manage vulnerability assessments and execute penetration testing to identify potential security risks.

    • Collaborate with security team members to address advanced persistent threats (APT) and ensure continuous monitoring of IT environments.

    • Oversee endpoint protection and network security to minimize exposure to malicious threats.

  • -
    LEONI WIRING SYSTEMS, IT Infrastructure – Lead Expert IT Security Analyst
    • Component owner of Blue and Red Team,

    • Participated in security investigations and contributed to the enhancement of security operations.

    • Leading compromise assessments and endpoint protection migration projects.

  • -
    LEONI WIRING SYSTEMS, IT Infrastructure - IT Security Analyst
    • Conducted real-time security monitoring and analysis of threats using SIEM and other tools to protect critical systems.

    • Led incident response efforts, collaborating with internal and external teams to identify, investigate, and mitigate security threats.

    • Performed forensic investigations to determine root causes of security incidents and implemented measures to prevent future breaches.

    • Produced detailed reports and documentation for security incidents and recommended improvements to strengthen the organization’s security posture.

    • Actively contributed to security assessments and compliance with industry standards (like VDA ISA “Verband der Automobilindustrie”), enhancing the overall cybersecurity strategy.

  • -
    LEONI WIRING SYSTEMS, IM-IT Security Administrator
    • Managed security operations for a large-scale environment, supporting over 120 multinational locations with a focus on endpoint protection and security incident handling.

    • Led security monitoring and incident response activities, utilizing various security tools to detect and mitigate threats.

    • Developed KPI tools and generated security reports using SQL Server Reporting Services, improving threat visibility.

    • Ensured compliance with internal and external SLAs for incident management and coordinated timely responses to security breaches.

    • Implemented and upgraded security products to enhance protection against malware and unauthorized access.

  • -
    LEONI WIRING SYSTEMS, IT-Production Computer Engineer
    • Administered Manufacturing Execution Systems (MES) and optimized server performance to ensure the reliability of IT infrastructure.

    • Conducted system monitoring and maintenance using Nagios, ensuring system security and integrity.

    • Managed endpoint security through Sophos Enterprise Console, protecting servers and workstations from vulnerabilities.

    • Coordinated with IT teams to implement secure software updates and change requests in production environments.

    • Developed reporting tools to enhance system visibility and response efficiency.

    • Documented IT production problems and operational procedures.

Skills


  • Cyber Security Incident Handling & Response


  • Vulnerability Management & Penetration Testing


  • Advanced Threat Detection & Mitigation


  • Security Information and Event Management (SIEM)


  • Anti-Malware, Firewall, IDS/IPS


  • Network Security & Forensic Analysis


  • Endpoint Protection Solutions


  • Security Policy Compliance & Documentation


Training


  • SC-200 - Microsoft Security Operations Analyst

    Microsoft

  • ISO 27001 Lead Implementer

  • Scrum/Agile

Skills


  • Platforms

    Windows, Linux

  • Networking

    LAN/WAN, VPN, TCP/IP, RFID

  • Programming Languages

    Python, KQL, PowerShell ,Batch, JAVA,SQL, KQL

  • Tools

    Microsoft Sentinel, IBM QRadar,Office 365 Advanced Hunting, Microsoft Defender for cloud, CrowdStrike Falcon, Sophos Enterprise Console, Sysmon, Palo Alto Firewall, WildFire API, TheHive, MS SQL server, Safeguard Management Center, BitLocker, WSUS, VMware vSphere, Nagios, Zabbix, PRTG, Wireshark, CISCO IronPort, Microsoft Azure