Senior CSOC Security Analyst
Brussels-Capital
Digital - Security
Work experience: 5-7
Reference number: 92058

Join a dedicated team where your expertise will enhance our security operations and make a significant impact on safeguarding our nation. We are looking for a skilled professional eager to tackle challenges in a fast-paced, mission-driven environment.

As an ideal candidate, you are a proficient Senior CSOC Security Analyst who excels in identifying security issues and proposing effective solutions. If you are passionate about security, enjoy mentoring, and are driven to improve infrastructure and processes, this opportunity might be for you.

  • You identify and assess security issues within the organization.
  • You collaborate closely with SOC analysts and infrastructure/development teams.
  • You utilize insights from EDR, IDS, and SIEM systems to enhance security measures.
  • You provide input on enhancing our applications and infrastructure to prevent security incidents.
  • You mentor junior analysts and improve documentation practices.
  • You lead and participate in workshops aimed at developing and maintaining security policies.
  • You ensure documentation is clear, accessible, and maintains a high standard of quality.

What are we looking for?

  • Minimum 10 years of experience in cyber security, including 5+ years in a SOC analyst role.
  • Belgian nationality (mandatory).
  • Eligible for or already holding a Top Secret (“Zeer Geheim”) clearance.
  • Deep understanding of infrastructure security (networks, servers, workstations, endpoints).
  • Strong expertise with Windows, Linux, Android environments.
  • Experience leading or coaching teams of 5+ people.
  • Hands-on experience with:
    • SIEM/SOAR platforms (Elastic, Splunk, QRadar, etc.)
    • Blue Team tools: tcpdump, Wireshark, Security Onion, Cortex, Darktrace
    • Red Team tools: Nmap, Nessus/Burpsuite, Metasploit
    • IAM, PKI, cryptography, Zero Trust models
    • Solid knowledge of security frameworks such as NIST CSF or ISO 27001.
  • Able to grasp complex environments quickly and operate autonomously.
  • Excellent communicator and problem solver, with strong documentation skills.
  • Fluent in Dutch or French, with good knowledge of the other national language and English.
  • Again, this role is strictly on-site due to the nature of the work and requires a Belgian national with the ability to obtain (or already holding) a “Top Secret” security clearance!! 

    What do we offer?

    Location: Brussels (100% on site)

    Terms: Permanent or Freelance 

    Duration: 01/03/2027 - 01/03/2027

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