Job Title: L3 SOC Analyst & Detection Engineer
Location: Brussels, Belgium (Hybrid / Remote option available)
Role Overview:
This role focuses on advanced cybersecurity operations within a Security Operations Center (SOC). The L3 SOC Analyst & Detection Engineer leads complex incident investigations, supports escalation from L1/L2 teams, and enhances detection and response capabilities through continuous improvement and threat-driven engineering.
Key Responsibilities:
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Lead investigation and resolution of high-severity security incidents
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Perform advanced forensic analysis and root cause investigations
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Conduct proactive threat hunting using threat intelligence and behavioral analysis
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Design, develop, and optimize SIEM/EDR/XDR detection rules and correlation logic
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Translate MITRE ATT&CK techniques into actionable detection use cases
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Reduce false positives and improve detection accuracy
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Support SOC automation, playbooks, and process improvements
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Mentor junior analysts and contribute to SOC maturity and reporting
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Participate in purple teaming and adversary simulation exercises
Core Skills Required:
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Strong experience in L3 incident response and SOC operations
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Expertise with SIEM tools (e.g., Splunk, Microsoft Sentinel) and EDR/XDR (e.g., Microsoft Defender)
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Advanced knowledge of threat hunting and malware analysis
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Experience with detection engineering and use case development
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Proficiency in KQL and scripting for security automation
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Familiarity with MITRE ATT&CK and security frameworks
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Knowledge of Linux and Windows environments
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Strong communication, analytical, and collaboration skills
Languages:
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Dutch or French (native/bilingual)
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English (professional working proficiency)
Additional Requirement:
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Must consent to a mandatory security clearance process (up to 30 days), with continued availability during screening.
Focus of the Role:
Strengthening SOC detection capabilities, improving threat visibility, and ensuring rapid, effective response to advanced cyber threats in a highly regulated financial environment.
