Senior CSOC Analyst
Location: Brussels, Belgium | Contract: 12 months | Languages: Dutch, French, English
About the Role
Our client is looking for a Senior CSOC Analyst to join their Security Operations Center, safeguarding critical national infrastructure. This is a high-impact role where you will manage security incidents, improve detection and prevention, and mentor junior analysts.
You'll work directly with cross-functional teams to ensure incident response excellence and maintain high standards for SOC processes and reporting.
Key Responsibilities
Manage the full lifecycle of security incidents: detect, evaluate, respond, and document using EDR, IDS, and SIEM tools.
Provide input to harden infrastructure and improve detection/prevention capabilities.
Mentor junior analysts and lead SOC process improvements.
Maintain and update incident response playbooks, organize workshops, and promote best practices.
Collaborate across teams to ensure compliance with security principles and standards.
Required Experience & Skills
Experience:
10+ years in security-related roles, with 5+ years in a SOC.
Proven leadership experience, managing teams of 5+ analysts.
Technical Expertise:
Vulnerability assessment, SIEM/EDR (Splunk, QRadar, Elastic), Wireshark.
Red Team tools: Nmap, Nessus, Metasploit.
Zero Trust Architecture.
Operating Systems: Windows, Linux, Android.
Knowledge of NIST CSF, ISO 27001, PKI, and Agile.
Soft Skills:
Strong analytical and problem-solving skills.
Excellent communication: able to translate complex technical findings into clear reports.
High discretion, solution-oriented, lifelong learner.
Other Requirements:
Belgian nationality mandatory.
Must hold or be willing to obtain Top Secret (Zeer Geheim) security clearance.
Fluent in Dutch or French, with strong proficiency in the other national language and English.
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