IT CYBER SECURITY SPECIALIST

Il y a 2 jours

Brussel Hoofdstad, Brussel Hoofdstad, Belgique OneSource Consulting Temps plein 65 000 € - 90 000 € Contrat

DURATION: 01/12/2026 - 14/06/2027 (POSSIBILITY OF EXTENSION)

LANGUAGES: FRENCH

JOB DESCRIPTION - ROLES AND RESPONSIBILITIES

BACKGROUND

  • The Client wishes to strengthen its team in charge of operational security. A team whose main mission is to ensure the protection, detection and response to cybersecurity incidents.
  • The mission aims to integrate a secops engineer profile specialized in network and infrastructure security to strengthen security operations.
  • In addition to its recurring activity, it will be available in 24/7 callback mode (rotation between several people).
  • The Client is currently in the process of complying with the NIS2 regulation (essential level).
  • The Client has a complex environment that provides services to Walloon citizens. It is a hybrid infrastructure (multi-site and cloud), a wide area network (several dozen locations), many applications with various technologies, and a large number of users. The security of its information system is therefore essential.

OBJECTIVES

  • Ensure the day-to-day management of security tools and security incidents.
  • Maintain and optimize security tools (except for operations).
  • Collaborate with the SOC and other PWS teams to strengthen overall security.
  • Participate in projects related to operational security.
  • Intervene in call-back mode or on call depending on criticality.
  • Activities
  • Security incident management (analysis, escalation, resolution) including incident documentation;
  • Coordination of different teams with a view to resolving the security incident or improving the level of security;
  • Analysis of network flows and correlation with alerts;
  • Contribution to the security of network architectures, relevance of configurations, exception management (impact and risk analysis);
  • Participate in the tuning of protection and detection rules, especially on network security tools (WAF, IDS/IPS, NDR, Proxy, etc.);
  • Implement exception management (impact and risk analysis);
  • Cross-functional support on security tools;
  • Post-mortem analysis of incidents: technical retrospective, recommendations and follow-up of action plans with the ITSM team;
  • Processing alerts (SIEM, WAF, etc.) from the SOC and/or security tools;
  • Security monitoring and threat intelligence: monitoring of CVEs, IOCs, Mitre AT&ck tactics;
  • Participation in the development or continuous improvement of SecOps processes, procedures and guides;
  • Support for IT projects related to operational security: security review, delivery of technical and functional opinions, active participation in the project team;
  • Use of ITSM tools (Jira Service Management, etc.);
  • Any other operational security activities based on the needs and priorities of the department.

EXPECTED DELIVERABLES

  • Activity and incident reports, progress report on post-incident recommendations
  • ISN2: Initial Notification, Preliminary Report and Final Report
  • Change log of rules (who, what, why)
  • Optimized Security Tool Configurations
  • Technical documentation, process and procedure
  • Advice and recommendations for improvement
  • Cyber dashboard, operational, tactical and strategic reporting
  • Security KPI tracking

EXPECTED BEHAVIOURAL SKILLS

  • Clear communication
  • Rigorous change management
  • Emergency Management
  • Incident prioritization
  • Adaptability and learning
  • autonomy
  • Team collaboration
  • Assertiveness and ability to challenge

SKILLS

  • Security incident management (incident responder and/or incident manager)(mandatory) :
  • Managing an IPS/IDS or NDR(mandatory) :
  • Firewall Security Management(mandatory) :