Overview
Do you thrive under pressure and want to make a real impact in the fight against cyber threats? Join our Cyber Defence team as a Subject Matter Expert Security and become a driving force in defending, investigating, and strengthening digital ecosystems against today\'s most advanced attacks.
Responsibilities
* Incident response & forensics:
o Take the lead in managing security incidents, defining and following up on response actions.
o Steer ad hoc crisis teams during critical incidents to contain, eradicate, and recover operations.
o Perform digital forensics, with a strong focus on Windows environments.
o Design robust reaction plans and operational runbooks for security alerts.
* Threat hunting:
o Actively search for compromises and anomalies before they become incidents.
o Leverage threat intelligence and investigation techniques to stay one step ahead of attackers.
* Threat intelligence & analysis:
o Collect and process cyber threat intelligence through advanced platforms.
o Build detailed threat scenarios and attack chains (kill chains) to assess risks and prioritize countermeasures.
What you bring
* Deep expertise in IT security technologies: secure networking, system hardening, perimeter defense, monitoring.
* Hands-on experience in incident management (SOC, CSIRT, or complex IT environments).
* Solid background in logging, monitoring, intrusion detection.
* Strong communication skills with the ability to perform under pressure.
* Analytical mindset, attention to detail, and ability to keep the big picture in focus.
* A true passion for cyber security and continuous improvement.
* Tools & technologies:
o IDS/IPS & traffic analysis (Snort, Suricata, Bro, Argus, Silk, TCPdump, WireShark).
o SIEM solutions (QRadar, Splunk, ELK).
o Scripting/programming (Python, Perl, Ruby).
o Text manipulation tools (SED, AWK, grep).
* Language skills:
o Fluent in English (spoken & written).
o Strong command of French; Dutch is a plus.
Why this role?
* Playing a central role in high-impact cyber defence missions.
* Building your expertise through hands-on incident response, threat hunting, and intelligence.
* Collaborating with a team of dedicated, mission-driven professionals.
* Directly contributing to the resilience and protection of critical infrastructures.
Job details
* Seniority level: Mid-Senior level
* Employment type: Full-time
* Job function: Other, Information Technology, and Management
* Industries: IT Services and IT Consulting
Location: Brussels, Brussels Region, Belgium
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