full time

CSIRT Technical Team Lead

Posted by Keystone Solutions • Brussels, Brussels, Belgium

📍 Brussels, Brussels 🕒 June 20, 2026

About the Role

Mission Overview:

We are seeking an experienced Technical Team Lead for our CSIRT team. This position represents a consultancy mission at a client site through Keystone Solutions, where you will lead a growing team of security engineers, coordinate incident response, and develop technical detection and mitigation strategies. You will be responsible for triage, forensic investigation, root-cause analysis, and improving playbooks and automation. Additionally, you will be co-responsible for the security of our systems by designing and implementing adequate monitoring controls.


Responsibilities:

  • Design, implement, and maintain a CSIRT infrastructure, including SIEM, SOAR, CTI environment, etc.
  • Automate and script tasks using Python.
  • Set up and utilize open-source tooling.
  • Lead the CSIRT team in planning, prioritization, and ensuring sufficient knowledge within the team.
  • Report on the p...

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